[Lift] Re: Errors not shown after AJAX form submit
I think the difference is in showAll scope. It was implemented for non
Ajax context (just for msgs snippet) but it wasn't implemented for
Ajax (as far as I can tell).
Ajax notices (if there are any) are appended to user's JsCmd response.
But this code has no idea about the showAll snippet attribute.
Therefore ajax notices that are associates with an ID will not be
shown in lift:Msgs showAll=true/ 's real estate.
Please open a defect for this.
Br's,
Marius
On Jan 5, 9:37 am, Adam Warski a...@warski.org wrote:
Hello,
Ah, I didn't spot this. I only have:
lift:Msgs showAll=true/
which would suggest that it should show all errors.
And anyway, why does it work then with normal form submit, and doesn't with
ajax form submit?
Adam
On Jan 4, 2010, at 9:14 PM, Ross Mellgren wrote:
S.error(NodeSeq) and S.error(List[FieldError]) differ in that the
latter registers errors against particular fields, and the former is a
page-wide error. The latter is more like S.error(String, NodeSeq). Do
you have Msg snippets for each field, like this?
... field ... lift:msg id=my_field_id /
(see net.liftweb.builtin.snippet.Msg for a better example)
Hope that helps,
-Ross
On Jan 4, 2010, at 3:10 PM, Adam Warski wrote:
Hello,
investigating further making the tutorial form submittable with
ajax, I found some weird behavior; I'm using 1.1-M8.
It seems that when the form is submitted with ajax, and there are
form validation errors, the error is not shown. However, the notices
work fine. So:
- S.notice(Added +todo.desc); shows the notice after the ajax form
submit
- S.error(xs); doesn't, only if the form is submitted in the regular
way
I didn't manage to find the problem yet, but if instead of calling
S.error(xs); I do:
xs.map {i = S.error(i.msg) };
the error is shown.
The error(n: NodeSeq) and error(vi: List[FieldError]) don't seem to
differ a lot, but there must be something special about the second.
I tried to reproduce the problem using a simple application, but
there I found another strange thing.
The app is:
object Test {
def main(args: Array[String]) {
val z = new ListBuffer[String]
object x extends RequestVar(z)
x += a
object y extends RequestVar(new ListBuffer[String])
y += b
println(x.is)
println(y.is)
}
}
and prints out:
ListBuffer(a)
ListBuffer()
so for some reason, if the initial value of the RequestVar is passed
without an intermediate val, the list content isn't modified.
But it could be that I'm using the RequestVar outside of it's
intended environment which may be the cause ;).
--
Adam
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Re: [Lift] Re: [lift] Lift based backend server subscribing via amqp
We don't accept patches for legal reasons. However, I will upgrade the
module today for you - giving a similar result.
Cheers, Tim
Sent from my iPhone
On 5 Jan 2010, at 04:29, Franz Bettag fr...@bett.ag wrote:
Hey guys,
i've just updated the amqp code. I started a pull request on github
but that seems *not* to be the proper way *smirking @dpp's auto-
reply*.
Anyway here is the patch. The problem was that in version 1.5.0 of
rabbitmq's library, the ticket-stuff was removed.
diff --git a/lift-modules/lift-amqp/pom.xml b/lift-modules/lift-amqp/
pom.xml
index 9f4c1d5..424be0e 100644
--- a/lift-modules/lift-amqp/pom.xml
+++ b/lift-modules/lift-amqp/pom.xml
@@ -32,6 +32,15 @@
/parent
artifactIdlift-amqp/artifactId
+ repositories
+repository
+ idnexus.griddynamics.net/id
+ nameNexus Maven2 Repository/name
+ urlhttps://nexus.griddynamics.net/nexus/content/groups/
public/url
+/repository
+ /repositories
+
+
!-- properties/ --
!--
@@ -55,8 +64,8 @@
/dependency
dependency
groupIdcom.rabbitmq/groupId
- artifactIdrabbitmq-client/artifactId
- version1.3.0/version
+ artifactIdamqp-client/artifactId
+ version1.7.0/version
/dependency
/dependencies
diff --git a/lift-modules/lift-amqp/src/main/scala/net/liftweb/amqp/
AMQPDispatcher.scala b/lift-modules/lift-amqp/src/main/scala/net/
liftweb/amqp/AMQPDispatcher.scala
index 26bca73..96c66c9 100644
--- a/lift-modules/lift-amqp/src/main/scala/net/liftweb/amqp/
AMQPDispatcher.scala
+++ b/lift-modules/lift-amqp/src/main/scala/net/liftweb/amqp/
AMQPDispatcher.scala
@@ -91,7 +91,7 @@ abstract class AMQPDispatcher[T](cf:
ConnectionFactory, host: String, port: Int)
class SerializedConsumer[T](channel: Channel, a: LiftActor) extends
DefaultConsumer(channel) {
override def handleDelivery(tag: String, env: Envelope, props:
AMQP.BasicProperties, body: Array[Byte]) {
val routingKey = env.getRoutingKey
-val contentType = props.contentType
+val contentType = props.getContentType
val deliveryTag = env.getDeliveryTag
val in = new ObjectInputStream(new ByteArrayInputStream(body))
val t = in.readObject.asInstanceOf[T];
@@ -109,14 +109,12 @@ class SerializedConsumer[T](channel: Channel, a:
LiftActor) extends DefaultConsu
class ExampleSerializedAMQPDispatcher[T](factory: ConnectionFactory,
host: String, port: Int)
extends AMQPDispatcher[T](factory, host, port) {
override def configure(channel: Channel) {
-// Get the ticket.
-val ticket = channel.accessRequest(/data)
// Set up the exchange and queue
-channel.exchangeDeclare(ticket, mult, direct)
-channel.queueDeclare(ticket, mult_queue)
-channel.queueBind(ticket, mult_queue, mult, routeroute)
+channel.exchangeDeclare(mult, direct)
+channel.queueDeclare(mult_queue)
+channel.queueBind(mult_queue, mult, routeroute)
// Use the short version of the basicConsume method for
convenience.
-channel.basicConsume(ticket, mult_queue, false, new
SerializedConsumer(channel, this))
+channel.basicConsume(mult_queue, false, new SerializedConsumer
(channel, this))
}
}
diff --git a/lift-modules/lift-amqp/src/main/scala/net/liftweb/amqp/
AMQPSender.scala b/lift-modules/lift-amqp/src/main/scala/net/liftweb/
amqp/AMQPSender.scala
index 2c60ed6..dc29a2a 100644
--- a/lift-modules/lift-amqp/src/main/scala/net/liftweb/amqp/
AMQPSender.scala
+++ b/lift-modules/lift-amqp/src/main/scala/net/liftweb/amqp/
AMQPSender.scala
@@ -14,11 +14,6 @@ import _root_.java.io.ObjectOutputStream
abstract class AMQPSender[T](cf: ConnectionFactory, host: String,
port: Int, exchange: String, routingKey: String) extends LiftActor {
val conn = cf.newConnection(host, port)
val channel = conn.createChannel()
- val ticket = configure(channel)
- /**
- * Override this to use your own AMQP queue/exchange with the given
channel.
- */
- def configure(channel: Channel): Int
def send(msg: T) {
// Now write an object to a byte array and shove it across the
wire.
@@ -26,7 +21,7 @@ abstract class AMQPSender[T](cf: ConnectionFactory,
host: String, port: Int, exc
val store = new ObjectOutputStream(bytes)
store.writeObject(msg)
store.close
-channel.basicPublish(ticket, exchange, routingKey, null,
bytes.toByteArray)
+channel.basicPublish(exchange, routingKey, null,
bytes.toByteArray)
}
protected def messageHandler = {
@@ -46,12 +41,6 @@ abstract class AMQPSender[T](cf: ConnectionFactory,
host: String, port: Int, exc
* consider creating Actor-based Senders, that will help your
application to scale.
*/
class StringAMQPSender(cf: ConnectionFactory, host: String, port:
Int, exchange: String, routingKey: String) extends AMQPSender[String]
(cf, host, port, exchange, routingKey) {
- override def configure(channel: Channel) = {
-val conn = cf.newConnection(host, port)
-val channel =
[Lift] Re: multiple forms on a page.
Thanks David. But this seems not work as wished. It will meet some
error:
[INFO] Compiling 1 source files to /home/daiwhea/myworks/java/
liftonscala/MapperBBS/target/classes
/home/daiwhea/myworks/java/liftonscala/MapperBBS/src/main/scala/com/
vapee/main/snippet/GuestBook.scala:60: error: forward reference
extends over definition of variable localNote
localNote.save
^
one error found
[INFO]
[ERROR] BUILD ERROR
Is there any error I made? Below is part of the GuestBook.scala for
list snippet:
def list(html: NodeSeq): NodeSeq = {
toShow.flatMap(item = {
curListNote = item
bind(item, html,
title - item.title,
email - item.email,
content - item.content,
reply - getReplyContent(item)
)
}
)
}
def replyNote(html: NodeSeq): NodeSeq = {
def doReply() = {
localNote.save
}
var localNote = curListNote
bind(note, html,
replyContent - SHtml.textarea(localNote.replyContent,
localNote.replyContent(_)),
submit - SHtml.submit(Reply, doReply)
)
}
private def toShow = GuestNote.findAll()
var curListNote: GuestNote = _
private def getReplyContent(item: GuestNote) = {
if (item.repliedByAdmin == 0) {
divpNot replied by admin/plift:embed what=/templates-
hidden/gbook/replyForm //div
}
else
divp{Replied by admin at: +item.replyTime}/plift:embed
what=/templates-hidden/gbook/replyForm //div
}
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[Lift] Re: CometActor and JQuery
Thanks again,
what i want to do is some stuff with a canvas element, where changes
are reflected to the other clients. This why i think the SHtml things
do not fit for me. I now think the best way would be to use the
partialUpdate() of the CometActor to send changes to clients and may
be a JsonHandler to to get the updates to Server.
Sorry if i expressed my concerns unclear. In the end it seems not that
complicated as i tried to make it :).
Martin
On 4 Jan., 15:19, Marius marius.dan...@gmail.com wrote:
From your render method you can return something like:
ajaxText(Hello, (text) = {
println(text is: + text)
// do something here and return a JsCmd. Thus you can return a JsRaw,
a Call or whatever java script you want
})
F1162097909104VYK has nothing to do with Comet. It is an opaque ID
generated by lift that is bound to the function you specified in the
ajaxText call. Based on this information Lift will know to invoke the
proper Scala function when the ajax request is sent to server when you
hit enter in your text field or something.
What function you want to build. With Lift you rarely want to call
ajaxInvoke etc, as SHtml provides a bunch of Ajax helpers (such as
ajaxText)
Br's,
Marius
On Jan 4, 3:36 pm, martinsema...@googlemail.com
martinsema...@googlemail.com wrote:
Thanks for that Marius,
it works, but it is only for the server to client direction.
In the generated Html of the ajaxText there is something like:
lift_ajaxHandler('F1162097909104VYK=' + encodeURIComponent
(this.value), null, null)
I guess the F116... is some kind of Id for the receiving Actor. Can i
get it from the scala side to build my own function? I tried
SHtml.ajaxCallto build a function that can send to to the Actor, but
it seems not to work. Any suggestions?
best regards
Martin
On 4 Jan., 13:36, Marius marius.dan...@gmail.com wrote:
Do not disable Lift's ajax.
Let's say you have your own myown.js file having say a function foo().
Now you from a CometActor you want to call this function (assume to
included myown.js in your page head).
When you receive a message in your comet you can call partialUpdate
like:
case MyMessage =
partialUpdate(Call(foo))
Call is a JsCmd object from lift witch translates into a JS function
call. You can also use JsRaw(put here any js code)
You can also do it from render as well like:
def render = {
// do something
new RenderOut(some_xhtml, Call(foo))
}
Br's,
Marius
On Jan 4, 1:30 pm, martinsema...@googlemail.com
martinsema...@googlemail.com wrote:
Hi all
if just started exploring Lift and I am playing around with CometActor
and Listeneers. I followed Davids Screencast with the Chat Example
which works nicely.
Now i would like to communicate with the CometActors using my own
jQuery code. I don't want to use lifts helpers for that, but want to
use my own static JS code.
How would the send and receive functions look like? Should i disable
lifts ajax support or can i plug in somehow?
I have no clue how to begin. Can someone point to some examples or
article that is concerned with this type of stuff?
thanks in advance!
Martin
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Re: [Lift] Re: Errors not shown after AJAX form submit
Hello,
I think the difference is in showAll scope. It was implemented for non
Ajax context (just for msgs snippet) but it wasn't implemented for
Ajax (as far as I can tell).
Ajax notices (if there are any) are appended to user's JsCmd response.
But this code has no idea about the showAll snippet attribute.
Therefore ajax notices that are associates with an ID will not be
shown in lift:Msgs showAll=true/ 's real estate.
Please open a defect for this.
I think I more or less understand :)
Here's the defect: http://github.com/dpp/liftweb/issues/#issue/271
By the way, do you have any idea why my example application produces such weird
results?
I looked in the RequestVar code and didn't find anything there that would make
it behave differently in the two scenarios.
Adam
Br's,
Marius
On Jan 5, 9:37 am, Adam Warski a...@warski.org wrote:
Hello,
Ah, I didn't spot this. I only have:
lift:Msgs showAll=true/
which would suggest that it should show all errors.
And anyway, why does it work then with normal form submit, and doesn't with
ajax form submit?
Adam
On Jan 4, 2010, at 9:14 PM, Ross Mellgren wrote:
S.error(NodeSeq) and S.error(List[FieldError]) differ in that the
latter registers errors against particular fields, and the former is a
page-wide error. The latter is more like S.error(String, NodeSeq). Do
you have Msg snippets for each field, like this?
... field ... lift:msg id=my_field_id /
(see net.liftweb.builtin.snippet.Msg for a better example)
Hope that helps,
-Ross
On Jan 4, 2010, at 3:10 PM, Adam Warski wrote:
Hello,
investigating further making the tutorial form submittable with
ajax, I found some weird behavior; I'm using 1.1-M8.
It seems that when the form is submitted with ajax, and there are
form validation errors, the error is not shown. However, the notices
work fine. So:
- S.notice(Added +todo.desc); shows the notice after the ajax form
submit
- S.error(xs); doesn't, only if the form is submitted in the regular
way
I didn't manage to find the problem yet, but if instead of calling
S.error(xs); I do:
xs.map {i = S.error(i.msg) };
the error is shown.
The error(n: NodeSeq) and error(vi: List[FieldError]) don't seem to
differ a lot, but there must be something special about the second.
I tried to reproduce the problem using a simple application, but
there I found another strange thing.
The app is:
object Test {
def main(args: Array[String]) {
val z = new ListBuffer[String]
object x extends RequestVar(z)
x += a
object y extends RequestVar(new ListBuffer[String])
y += b
println(x.is)
println(y.is)
}
}
and prints out:
ListBuffer(a)
ListBuffer()
so for some reason, if the initial value of the RequestVar is passed
without an intermediate val, the list content isn't modified.
But it could be that I'm using the RequestVar outside of it's
intended environment which may be the cause ;).
--
Adam
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[Lift] Re: [lift] Lift based backend server subscribing via amqp
In what way do you mean is mapper worth it? What kind of system is it? do you need ACID or BASE? What kind of load will the system be under? Do you need it to be distributed? You are not restricted to Mapper, you could use JPA or whatever persistence you want with lift. If you just want to make a pretty simple service tier, then sure, Lift will be fine. Akka works well when you need fault tolerance or distributed nodes etc etc Cheers, Tim On Jan 5, 3:34 am, vishnu path...@gmail.com wrote: well I'm not sure how to describe it differently. As you said it's only service tier. The truth is I dont know anything about Lift yet and Im just now running through some basic Scala books. I need a library with which to talk to rabbitmq as a subscriber that might work at a higher level than the default java api that comes with rabbitmq and ideally something that provides the same service for me talk to a database via scala. I haven't seen Akka before, so I'll take a look at that :). Would you say mapper is worth it? On Tue, Jan 5, 2010 at 2:23 AM, Timothy Perrett timo...@getintheloop.euwrote: It depends on your use case... you don't really describe exactly what you want to do. Perhaps start by providing more detail? If you want service teir *only* though, its quite probable that akka would be a better fix. Cheers, Tim On 4 Jan 2010, at 20:30, Channing Walton wrote: Maybe Akka would be better for you?http://akkasource.org/ Akka has an AMQP module which abstracts AMQP Producer and Consumer as Actors. Channing vishnu-11 wrote: Hi I'm trying to use lift to right a back end for a system that communicates via AMQP. The idea is to have a bunch of (threads?, processes? actors?) that subscribe to some queues on a queueing system and react to various messages by contacting various third party systems and persisting messages to a database. I was wondering firstly if it makes sense to use lift, or if it makes more sense to pull various parts out of lift and use them? Additionally, looking at the lift amqp code, it seems to be a little out of date, especially with regard to amqp. Does anyone know if there has been any active work on this segment? -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- View this message in context: http://old.nabble.com/Lift-based-backend-server-subscribing-via-amqp-... Sent from the liftweb mailing list archive at Nabble.com. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Re: Lift based backend server subscribing via amqp
Pushed to master - will be in hudson jars in a few hours.
Cheers, Tim
On Jan 5, 10:06 am, Timothy Perrett timo...@getintheloop.eu wrote:
http://github.com/dpp/liftweb/issues/#issue/270
Fixed and on review board.
Cheers, Tim
On Jan 5, 8:57 am, Timothy Perrett timo...@getintheloop.eu wrote:
We don't accept patches for legal reasons. However, I will upgrade the
module today for you - giving a similar result.
Cheers, Tim
Sent from my iPhone
On 5 Jan 2010, at 04:29, Franz Bettag fr...@bett.ag wrote:
Hey guys,
i've just updated the amqp code. I started a pull request on github
but that seems *not* to be the proper way *smirking @dpp's auto-
reply*.
Anyway here is the patch. The problem was that in version 1.5.0 of
rabbitmq's library, the ticket-stuff was removed.
diff --git a/lift-modules/lift-amqp/pom.xml b/lift-modules/lift-amqp/
pom.xml
index 9f4c1d5..424be0e 100644
--- a/lift-modules/lift-amqp/pom.xml
+++ b/lift-modules/lift-amqp/pom.xml
@@ -32,6 +32,15 @@
/parent
artifactIdlift-amqp/artifactId
+ repositories
+ repository
+ idnexus.griddynamics.net/id
+ nameNexus Maven2 Repository/name
+ urlhttps://nexus.griddynamics.net/nexus/content/groups/
public/url
+ /repository
+ /repositories
+
+
!-- properties/ --
!--
@@ -55,8 +64,8 @@
/dependency
dependency
groupIdcom.rabbitmq/groupId
- artifactIdrabbitmq-client/artifactId
- version1.3.0/version
+ artifactIdamqp-client/artifactId
+ version1.7.0/version
/dependency
/dependencies
diff --git a/lift-modules/lift-amqp/src/main/scala/net/liftweb/amqp/
AMQPDispatcher.scala b/lift-modules/lift-amqp/src/main/scala/net/
liftweb/amqp/AMQPDispatcher.scala
index 26bca73..96c66c9 100644
--- a/lift-modules/lift-amqp/src/main/scala/net/liftweb/amqp/
AMQPDispatcher.scala
+++ b/lift-modules/lift-amqp/src/main/scala/net/liftweb/amqp/
AMQPDispatcher.scala
@@ -91,7 +91,7 @@ abstract class AMQPDispatcher[T](cf:
ConnectionFactory, host: String, port: Int)
class SerializedConsumer[T](channel: Channel, a: LiftActor) extends
DefaultConsumer(channel) {
override def handleDelivery(tag: String, env: Envelope, props:
AMQP.BasicProperties, body: Array[Byte]) {
val routingKey = env.getRoutingKey
- val contentType = props.contentType
+ val contentType = props.getContentType
val deliveryTag = env.getDeliveryTag
val in = new ObjectInputStream(new ByteArrayInputStream(body))
val t = in.readObject.asInstanceOf[T];
@@ -109,14 +109,12 @@ class SerializedConsumer[T](channel: Channel, a:
LiftActor) extends DefaultConsu
class ExampleSerializedAMQPDispatcher[T](factory: ConnectionFactory,
host: String, port: Int)
extends AMQPDispatcher[T](factory, host, port) {
override def configure(channel: Channel) {
- // Get the ticket.
- val ticket = channel.accessRequest(/data)
// Set up the exchange and queue
- channel.exchangeDeclare(ticket, mult, direct)
- channel.queueDeclare(ticket, mult_queue)
- channel.queueBind(ticket, mult_queue, mult, routeroute)
+ channel.exchangeDeclare(mult, direct)
+ channel.queueDeclare(mult_queue)
+ channel.queueBind(mult_queue, mult, routeroute)
// Use the short version of the basicConsume method for
convenience.
- channel.basicConsume(ticket, mult_queue, false, new
SerializedConsumer(channel, this))
+ channel.basicConsume(mult_queue, false, new SerializedConsumer
(channel, this))
}
}
diff --git a/lift-modules/lift-amqp/src/main/scala/net/liftweb/amqp/
AMQPSender.scala b/lift-modules/lift-amqp/src/main/scala/net/liftweb/
amqp/AMQPSender.scala
index 2c60ed6..dc29a2a 100644
--- a/lift-modules/lift-amqp/src/main/scala/net/liftweb/amqp/
AMQPSender.scala
+++ b/lift-modules/lift-amqp/src/main/scala/net/liftweb/amqp/
AMQPSender.scala
@@ -14,11 +14,6 @@ import _root_.java.io.ObjectOutputStream
abstract class AMQPSender[T](cf: ConnectionFactory, host: String,
port: Int, exchange: String, routingKey: String) extends LiftActor {
val conn = cf.newConnection(host, port)
val channel = conn.createChannel()
- val ticket = configure(channel)
- /**
- * Override this to use your own AMQP queue/exchange with the given
channel.
- */
- def configure(channel: Channel): Int
def send(msg: T) {
// Now write an object to a byte array and shove it across the
wire.
@@ -26,7 +21,7 @@ abstract class AMQPSender[T](cf: ConnectionFactory,
host: String, port: Int, exc
val store = new ObjectOutputStream(bytes)
store.writeObject(msg)
store.close
- channel.basicPublish(ticket, exchange, routingKey, null,
bytes.toByteArray)
+ channel.basicPublish(exchange, routingKey, null,
[Lift] ANN: Akka 0.6 is released
Hi. I am proud to announce the release of Akka 0.6. It is a major release in many ways. Many people have made this happen. Especially the great teamhttp://doc.akkasource.org/team but also many of the users on the mailing list. Thank you all. Download Akka 0.6 herehttp://cloud.github.com/downloads/jboner/akka/akka-0.6.zip . The full release notes is available at herehttp://doc.akkasource.org/release-notes, but here is a summary of the highlights. - New STM impl with a declarative, a high-order fun and a monadic API - New persistence module backends; Redis, Cassandra, MongoDB, works with STM - Much improved performance; Akka is now 2-3 times faster than Scala Actors (both event and thread-based) in http://shootout.alioth.debian.org/ benchmark. - Much improved memory footprint; an Actor consumes ~600 bytes, can now create 6.5 million on 4 G RAM - Much improved Remote Actors; reconnect, compression, implicit sender, supervision across nodes etc. - Comet bindings for Actors - REST bindings for Actors - Cluster Membership protocol; nodes find each other automatically, simple API - Security module; HTTP digest and Kerberos - Many new Serializers; SBinary, JSON, Protobuf etc. - AMQP integration - Lift integration - Spring integration (in progress) - Guice integration - Microkernel New home at http://akkasource.org http://akkasource.orgNew docs at http://doc.akkasource.org New tutorial at http://jonasboner.com/2010/01/04/introducing-akka.html Feedback is most welcome. Join the mailing list and help us make it better. Thanks. -- Jonas Bonér twitter: @jboner blog:http://jonasboner.com work: http://scalablesolutions.se code: http://github.com/jboner code: http://akkasource.org also:http://letitcrash.com -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] ANN: Akka 0.6 is released
Congratulations all... you guys have put so much effort into Akka and its a really great framework; cant wait to see what is in store down the track! Cheers, Tim On 5 Jan 2010, at 13:34, Jonas Bonér wrote: Hi. I am proud to announce the release of Akka 0.6. It is a major release in many ways. Many people have made this happen. Especially the great team but also many of the users on the mailing list. Thank you all. Download Akka 0.6 here. The full release notes is available at here, but here is a summary of the highlights. • New STM impl with a declarative, a high-order fun and a monadic API • New persistence module backends; Redis, Cassandra, MongoDB, works with STM • Much improved performance; Akka is now 2-3 times faster than Scala Actors (both event and thread-based) in http://shootout.alioth.debian.org/ benchmark. • Much improved memory footprint; an Actor consumes ~600 bytes, can now create 6.5 million on 4 G RAM • Much improved Remote Actors; reconnect, compression, implicit sender, supervision across nodes etc. • Comet bindings for Actors • REST bindings for Actors • Cluster Membership protocol; nodes find each other automatically, simple API • Security module; HTTP digest and Kerberos • Many new Serializers; SBinary, JSON, Protobuf etc. • AMQP integration • Lift integration • Spring integration (in progress) • Guice integration • Microkernel New home at http://akkasource.org New docs at http://doc.akkasource.org New tutorial at http://jonasboner.com/2010/01/04/introducing-akka.html Feedback is most welcome. Join the mailing list and help us make it better. Thanks. -- Jonas Bonér twitter: @jboner blog:http://jonasboner.com work: http://scalablesolutions.se code: http://github.com/jboner code: http://akkasource.org also:http://letitcrash.com -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] ANN: Akka 0.6 is released
Thanks Tim. You are part of the story. Thanks. 2010/1/5 Timothy Perrett timo...@getintheloop.eu Congratulations all... you guys have put so much effort into Akka and its a really great framework; cant wait to see what is in store down the track! Cheers, Tim On 5 Jan 2010, at 13:34, Jonas Bonér wrote: Hi. I am proud to announce the release of Akka 0.6. It is a major release in many ways. Many people have made this happen. Especially the great team but also many of the users on the mailing list. Thank you all. Download Akka 0.6 here. The full release notes is available at here, but here is a summary of the highlights. • New STM impl with a declarative, a high-order fun and a monadic API • New persistence module backends; Redis, Cassandra, MongoDB, works with STM • Much improved performance; Akka is now 2-3 times faster than Scala Actors (both event and thread-based) in http://shootout.alioth.debian.org/ benchmark. • Much improved memory footprint; an Actor consumes ~600 bytes, can now create 6.5 million on 4 G RAM • Much improved Remote Actors; reconnect, compression, implicit sender, supervision across nodes etc. • Comet bindings for Actors • REST bindings for Actors • Cluster Membership protocol; nodes find each other automatically, simple API • Security module; HTTP digest and Kerberos • Many new Serializers; SBinary, JSON, Protobuf etc. • AMQP integration • Lift integration • Spring integration (in progress) • Guice integration • Microkernel New home at http://akkasource.org New docs at http://doc.akkasource.org New tutorial at http://jonasboner.com/2010/01/04/introducing-akka.html Feedback is most welcome. Join the mailing list and help us make it better. Thanks. -- Jonas Bonér twitter: @jboner blog:http://jonasboner.com work: http://scalablesolutions.se code: http://github.com/jboner code: http://akkasource.org also:http://letitcrash.com -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Jonas Bonér twitter: @jboner blog:http://jonasboner.com work: http://scalablesolutions.se code: http://github.com/jboner code: http://akkasource.org also:http://letitcrash.com -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Re: multiple forms on a page.
Just move var localNote ... to before def doReply() ...
-
daiwheadaiw...@gmail.com wrote:
Thanks David. But this seems not work as wished. It will meet some
error:
[INFO] Compiling 1 source files to /home/daiwhea/myworks/java/
liftonscala/MapperBBS/target/classes
/home/daiwhea/myworks/java/liftonscala/MapperBBS/src/main/scala/com/
vapee/main/snippet/GuestBook.scala:60: error: forward reference
extends over definition of variable localNote
localNote.save
^
one error found
[INFO]
[ERROR] BUILD ERROR
Is there any error I made? Below is part of the GuestBook.scala for
list snippet:
def list(html: NodeSeq): NodeSeq = {
toShow.flatMap(item = {
curListNote = item
bind(item, html,
title - item.title,
email - item.email,
content - item.content,
reply - getReplyContent(item)
)
}
)
}
def replyNote(html: NodeSeq): NodeSeq = {
def doReply() = {
localNote.save
}
var localNote = curListNote
bind(note, html,
replyContent - SHtml.textarea(localNote.replyContent,
localNote.replyContent(_)),
submit - SHtml.submit(Reply, doReply)
)
}
private def toShow = GuestNote.findAll()
var curListNote: GuestNote = _
private def getReplyContent(item: GuestNote) = {
if (item.repliedByAdmin == 0) {
divpNot replied by admin/plift:embed what=/templates-
hidden/gbook/replyForm //div
}
else
divp{Replied by admin at: +item.replyTime}/plift:embed
what=/templates-hidden/gbook/replyForm //div
}
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[Lift] new line to br /
my issue is:
There are some text input by users. There are new line character(\r\n)
in these text. I want to convert those new line characters into br /
In the snippet, I put p{note.replyContent.replaceAll(\n, br /)}
/p. But the converted br / was changed to lt;br /gt; by lift.
So, my question is: In lift, how can I convert those new lines into
br / tags?
Thanks in advance. ^_^
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Re: [Lift] Re: Errors not shown after AJAX form submit
I don't know the exact reason, but the parameter to the RequestVar constructor
is a call by name, which means it's a function that can be re-evaluated.
Normally this value is recalculated at the start of each request. In any case
its seems that in your case they're being recalculated and restored to before
you modified them. However in the first case that means referencing a variable
that holds the change.
-
Adam Warskia...@warski.org wrote:
Hello,
I think the difference is in showAll scope. It was implemented for non
Ajax context (just for msgs snippet) but it wasn't implemented for
Ajax (as far as I can tell).
Ajax notices (if there are any) are appended to user's JsCmd response.
But this code has no idea about the showAll snippet attribute.
Therefore ajax notices that are associates with an ID will not be
shown in lift:Msgs showAll=true/ 's real estate.
Please open a defect for this.
I think I more or less understand :)
Here's the defect: http://github.com/dpp/liftweb/issues/#issue/271
By the way, do you have any idea why my example application produces such weird
results?
I looked in the RequestVar code and didn't find anything there that would make
it behave differently in the two scenarios.
Adam
Br's,
Marius
On Jan 5, 9:37 am, Adam Warski a...@warski.org wrote:
Hello,
Ah, I didn't spot this. I only have:
lift:Msgs showAll=true/
which would suggest that it should show all errors.
And anyway, why does it work then with normal form submit, and doesn't with
ajax form submit?
Adam
On Jan 4, 2010, at 9:14 PM, Ross Mellgren wrote:
S.error(NodeSeq) and S.error(List[FieldError]) differ in that the
latter registers errors against particular fields, and the former is a
page-wide error. The latter is more like S.error(String, NodeSeq). Do
you have Msg snippets for each field, like this?
... field ... lift:msg id=my_field_id /
(see net.liftweb.builtin.snippet.Msg for a better example)
Hope that helps,
-Ross
On Jan 4, 2010, at 3:10 PM, Adam Warski wrote:
Hello,
investigating further making the tutorial form submittable with
ajax, I found some weird behavior; I'm using 1.1-M8.
It seems that when the form is submitted with ajax, and there are
form validation errors, the error is not shown. However, the notices
work fine. So:
- S.notice(Added +todo.desc); shows the notice after the ajax form
submit
- S.error(xs); doesn't, only if the form is submitted in the regular
way
I didn't manage to find the problem yet, but if instead of calling
S.error(xs); I do:
xs.map {i = S.error(i.msg) };
the error is shown.
The error(n: NodeSeq) and error(vi: List[FieldError]) don't seem to
differ a lot, but there must be something special about the second.
I tried to reproduce the problem using a simple application, but
there I found another strange thing.
The app is:
object Test {
def main(args: Array[String]) {
val z = new ListBuffer[String]
object x extends RequestVar(z)
x += a
object y extends RequestVar(new ListBuffer[String])
y += b
println(x.is)
println(y.is)
}
}
and prints out:
ListBuffer(a)
ListBuffer()
so for some reason, if the initial value of the RequestVar is passed
without an intermediate val, the list content isn't modified.
But it could be that I'm using the RequestVar outside of it's
intended environment which may be the cause ;).
--
Adam
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To
Re: [Lift] Re: Errors not shown after AJAX form submit
Ah so it's treated as a new request each time.
Clear now, thanks :)
Adam
On Jan 5, 2010, at 3:31 PM, Naftoli Gugenheim wrote:
I don't know the exact reason, but the parameter to the RequestVar
constructor is a call by name, which means it's a function that can be
re-evaluated. Normally this value is recalculated at the start of each
request. In any case its seems that in your case they're being recalculated
and restored to before you modified them. However in the first case that
means referencing a variable that holds the change.
-
Adam Warskia...@warski.org wrote:
Hello,
I think the difference is in showAll scope. It was implemented for non
Ajax context (just for msgs snippet) but it wasn't implemented for
Ajax (as far as I can tell).
Ajax notices (if there are any) are appended to user's JsCmd response.
But this code has no idea about the showAll snippet attribute.
Therefore ajax notices that are associates with an ID will not be
shown in lift:Msgs showAll=true/ 's real estate.
Please open a defect for this.
I think I more or less understand :)
Here's the defect: http://github.com/dpp/liftweb/issues/#issue/271
By the way, do you have any idea why my example application produces such
weird results?
I looked in the RequestVar code and didn't find anything there that would
make it behave differently in the two scenarios.
Adam
Br's,
Marius
On Jan 5, 9:37 am, Adam Warski a...@warski.org wrote:
Hello,
Ah, I didn't spot this. I only have:
lift:Msgs showAll=true/
which would suggest that it should show all errors.
And anyway, why does it work then with normal form submit, and doesn't with
ajax form submit?
Adam
On Jan 4, 2010, at 9:14 PM, Ross Mellgren wrote:
S.error(NodeSeq) and S.error(List[FieldError]) differ in that the
latter registers errors against particular fields, and the former is a
page-wide error. The latter is more like S.error(String, NodeSeq). Do
you have Msg snippets for each field, like this?
... field ... lift:msg id=my_field_id /
(see net.liftweb.builtin.snippet.Msg for a better example)
Hope that helps,
-Ross
On Jan 4, 2010, at 3:10 PM, Adam Warski wrote:
Hello,
investigating further making the tutorial form submittable with
ajax, I found some weird behavior; I'm using 1.1-M8.
It seems that when the form is submitted with ajax, and there are
form validation errors, the error is not shown. However, the notices
work fine. So:
- S.notice(Added +todo.desc); shows the notice after the ajax form
submit
- S.error(xs); doesn't, only if the form is submitted in the regular
way
I didn't manage to find the problem yet, but if instead of calling
S.error(xs); I do:
xs.map {i = S.error(i.msg) };
the error is shown.
The error(n: NodeSeq) and error(vi: List[FieldError]) don't seem to
differ a lot, but there must be something special about the second.
I tried to reproduce the problem using a simple application, but
there I found another strange thing.
The app is:
object Test {
def main(args: Array[String]) {
val z = new ListBuffer[String]
object x extends RequestVar(z)
x += a
object y extends RequestVar(new ListBuffer[String])
y += b
println(x.is)
println(y.is)
}
}
and prints out:
ListBuffer(a)
ListBuffer()
so for some reason, if the initial value of the RequestVar is passed
without an intermediate val, the list content isn't modified.
But it could be that I'm using the RequestVar outside of it's
intended environment which may be the cause ;).
--
Adam
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Re: [Lift] new line to br /
The problem is that you're creating a String (not a NodeSeq) and the String
content is being escaped inside the wrapping elements.
Try this,
p { note.replyContent split '\n' map { Text(_) ++ br/ } reduceLeft (_ ++
_) } /p
alex
On Tue, Jan 5, 2010 at 9:24 AM, daiwhea daiw...@gmail.com wrote:
my issue is:
There are some text input by users. There are new line character(\r\n)
in these text. I want to convert those new line characters into br /
In the snippet, I put p{note.replyContent.replaceAll(\n, br /)}
/p. But the converted br / was changed to lt;br /gt; by lift.
So, my question is: In lift, how can I convert those new lines into
br / tags?
Thanks in advance. ^_^
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Re: [Lift] new line to br /
I don't know the exact syntax offhand, but you could probably to a split on the
string to divide it into lines, followed by a foldLeft to convert each line
into a Text and a br.
-
daiwheadaiw...@gmail.com wrote:
my issue is:
There are some text input by users. There are new line character(\r\n)
in these text. I want to convert those new line characters into br /
In the snippet, I put p{note.replyContent.replaceAll(\n, br /)}
/p. But the converted br / was changed to lt;br /gt; by lift.
So, my question is: In lift, how can I convert those new lines into
br / tags?
Thanks in advance. ^_^
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Re: [Lift] Safe handling of long params
I can answer b) -- S.param(image).flatMap(asLong) asLong comes from BasicTypesHelpers. -Ross One more quick question about this, more of a Scala question really: I've noticed both here and in the examples that there is a tendency to use flatMap() instead of map(). I understand the differences between the two, but am not sure why flatMap is preferred when there aren't Lists involved. Any reason? Aren't the two interchangeable in this case? Thanks, -- Jim Wise jw...@draga.com pgpAa00XxSc5y.pgp Description: PGP signature
Re: [Lift] Safe handling of long params
map would result in a Box[Box[Long]] - Jim Wisejw...@draga.com wrote: I can answer b) -- S.param(image).flatMap(asLong) asLong comes from BasicTypesHelpers. -Ross One more quick question about this, more of a Scala question really: I've noticed both here and in the examples that there is a tendency to use flatMap() instead of map(). I understand the differences between the two, but am not sure why flatMap is preferred when there aren't Lists involved. Any reason? Aren't the two interchangeable in this case? Thanks, -- Jim Wise jw...@draga.com -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Safe handling of long params
They aren't. Here are the type signatures for map and flatMap, from Box (the type on Seq is the same, but not specialized to the Box return type): def map[B](f: A = B): Box[B] def flatMap[B](f: A = Box[B]): Box[B] The key is the return type of f -- in map, it always returns what goes in the Full box, whereas in flatMap it returns any type of box (which could be empty, failure, etc). To illustrate better, here are some examples: def f1(i: Int): String = i.toString Full(1).map(f1) // result is Full(1) Full(2).map(f1) // result is Full(2) Empty.map(f1) // result is Empty (f1 never applied) Failure(...).map(f1) // result is Failure (f1 never applied) def f2(i: Int): Box[String] = if (i % 2 == 0) Full(i.toString) else Failure(number is not even) Full(1).flatMap(f2) // result is Failure(number is not even, ...) Full(2).flatMap(f2) // result is Full(2) Empty.flatMap(f2) // result is Empty (f2 never applied) Failure(...).flatMap(f2) // result is Failure (f2 never applied) As you can see, functions passed to map can never fail, that is, they can never cause a Box to become empty. The result of a map is as empty as the input to it. Conversely, with flatMap the function passed in can fail, making a non-Full box. So, flatMap is used for chaining together computations (functions) that can fail, whereas map is used for computations that can't fail (barring exceptions) This ties in with the collection-like view of a Box, which can be views as a single-element collection (Full) or empty collection (Empty, Failure) where the empty collection might have some extra information about why the collection is empty. In your case, asLong is: def asLong(s: String): Box[Long] So if you used map: Full(1234).map(asLong) // result is Full(Full(1234)), because the result of asLong went into the Full that map creates Conversely, flatMap removes a level of structure: Full(1234).flatMap(asLong) // result is Full(1234) Hope that helps, -Ross On Jan 5, 2010, at 10:45 AM, Jim Wise wrote: I can answer b) -- S.param(image).flatMap(asLong) asLong comes from BasicTypesHelpers. -Ross One more quick question about this, more of a Scala question really: I've noticed both here and in the examples that there is a tendency to use flatMap() instead of map(). I understand the differences between the two, but am not sure why flatMap is preferred when there aren't Lists involved. Any reason? Aren't the two interchangeable in this case? Thanks, -- Jim Wise jw...@draga.com -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Safe handling of long params
Ross Mellgren dri...@gmail.com writes: In your case, asLong is: def asLong(s: String): Box[Long] So if you used map: Full(1234).map(asLong) // result is Full(Full(1234)), because the result of asLong went into the Full that map creates Conversely, flatMap removes a level of structure: Full(1234).flatMap(asLong) // result is Full(1234) Hope that helps, It does, thanks! -- Jim Wise jw...@draga.com pgpob1HvlWv3g.pgp Description: PGP signature
[Lift] SessionVars in different snippets
I have two snippets Login and Profile, and I want to read same object stored in session, when I use SessionVar it create two different object: object user extends SessionVar[Box[User]](Empty) // same in two snippets When I set this object in Login.scala : val usr = User.find(By(User.login,login)) user.set(usr) in Profile it's still Empty why? -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] ANN: Akka 0.6 is released
Congratulations! On Tue, Jan 5, 2010 at 5:34 AM, Jonas Bonér jbo...@gmail.com wrote: Hi. I am proud to announce the release of Akka 0.6. It is a major release in many ways. Many people have made this happen. Especially the great teamhttp://doc.akkasource.org/team but also many of the users on the mailing list. Thank you all. Download Akka 0.6 herehttp://cloud.github.com/downloads/jboner/akka/akka-0.6.zip . The full release notes is available at herehttp://doc.akkasource.org/release-notes, but here is a summary of the highlights. - New STM impl with a declarative, a high-order fun and a monadic API - New persistence module backends; Redis, Cassandra, MongoDB, works with STM - Much improved performance; Akka is now 2-3 times faster than Scala Actors (both event and thread-based) in http://shootout.alioth.debian.org/ benchmark. - Much improved memory footprint; an Actor consumes ~600 bytes, can now create 6.5 million on 4 G RAM - Much improved Remote Actors; reconnect, compression, implicit sender, supervision across nodes etc. - Comet bindings for Actors - REST bindings for Actors - Cluster Membership protocol; nodes find each other automatically, simple API - Security module; HTTP digest and Kerberos - Many new Serializers; SBinary, JSON, Protobuf etc. - AMQP integration - Lift integration - Spring integration (in progress) - Guice integration - Microkernel New home at http://akkasource.org http://akkasource.orgNew docs at http://doc.akkasource.org New tutorial at http://jonasboner.com/2010/01/04/introducing-akka.html Feedback is most welcome. Join the mailing list and help us make it better. Thanks. -- Jonas Bonér twitter: @jboner blog:http://jonasboner.com work: http://scalablesolutions.se code: http://github.com/jboner code: http://akkasource.org also:http://letitcrash.com -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups "Lift" group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] ANN: Akka 0.6 is released
Thanks 2010/1/5 David Pollak feeder.of.the.be...@gmail.com: Congratulations! On Tue, Jan 5, 2010 at 5:34 AM, Jonas Bonér jbo...@gmail.com wrote: Hi. I am proud to announce the release of Akka 0.6. It is a major release in many ways. Many people have made this happen. Especially the great team but also many of the users on the mailing list. Thank you all. Download Akka 0.6 here. The full release notes is available at here, but here is a summary of the highlights. New STM impl with a declarative, a high-order fun and a monadic API New persistence module backends; Redis, Cassandra, MongoDB, works with STM Much improved performance; Akka is now 2-3 times faster than Scala Actors (both event and thread-based) in http://shootout.alioth.debian.org/ benchmark. Much improved memory footprint; an Actor consumes ~600 bytes, can now create 6.5 million on 4 G RAM Much improved Remote Actors; reconnect, compression, implicit sender, supervision across nodes etc. Comet bindings for Actors REST bindings for Actors Cluster Membership protocol; nodes find each other automatically, simple API Security module; HTTP digest and Kerberos Many new Serializers; SBinary, JSON, Protobuf etc. AMQP integration Lift integration Spring integration (in progress) Guice integration Microkernel New home at http://akkasource.org New docs at http://doc.akkasource.org New tutorial at http://jonasboner.com/2010/01/04/introducing-akka.html Feedback is most welcome. Join the mailing list and help us make it better. Thanks. -- Jonas Bonér twitter: @jboner blog: http://jonasboner.com work: http://scalablesolutions.se code: http://github.com/jboner code: http://akkasource.org also: http://letitcrash.com -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Jonas Bonér twitter: @jboner blog:http://jonasboner.com work: http://scalablesolutions.se code: http://github.com/jboner code: http://akkasource.org also:http://letitcrash.com -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Question: How to emulate exit behavior with LiftActors
I'm new to scala and lift, and I've been hacking with a LiftActor used
to a local mail server for development based on the post by Ryan
Donahue:
http://groups.google.com/group/liftweb/browse_thread/thread/56002b39aa67aee6/4d3946d145560d3e?lnk=gstq=test+mail#4d3946d145560d3e
However the code in that post uses ActorPing.scheduledAtFixedRate
which has been removed in the lift 1.1-M8 which I'm using, and it also
looks like LiftActors are now the preferred actor library to use.
Question 1: Given that my LiftActor has to do some cleanup at
shutdown, is a LiftActor even appropriate or should I look at regular
scala actors? If LiftActor is still usable in that scenario, how can
my LiftActor get a notification that it needs to do cleanup? The
particular problem I'm having is that Jetty restarts when I change
code, but the smtp server is still bound to the mail port so the
restart fails. I need to stop the mail server when Jetty restarts.
Question 2: Is there an easier way to configure mail locally for
development? I know I could create a gmail account and put the
credentials in Boot.scala, but I was hoping for something self-
contained on my local machine.
Here's my code if that helps (probably not since I'm new to scala it
is probably pretty bad):
package com.chariotsolutions.liftexpo
import scala.collection.jcl.MutableIterator.Wrapper
import net.liftweb.util._
import net.liftweb.util.Helpers._
import net.liftweb.actor._
import net.liftweb.common._
import com.dumbster.smtp._
object DumbMail extends LiftActor {
private var server : Box[SimpleSmtpServer] = Empty
private var port : Int = 25
implicit def javaIteratorToScalaIterator[A](it : java.util.Iterator
[A]) = new Wrapper(it)
def boot(port:Int) = {
println(DumbMail booting)
this.port = port
restartServer
ActorPing.schedule(this, DumbMailEvent, 5 seconds)
}
private def restartServer {
stopServer
server = Full(SimpleSmtpServer.start(port))
}
private def stopServer {
server.map(_.stop)
server = Empty
}
protected def messageHandler = {
case DumbMailEvent = {
println(DumbMailEvent received)
server match {
case Full(s) = {
if (s.getReceivedEmailSize 0) {
//val msgs = new Wrapper(s.getReceivedEmail)
//val msgs = new IteratorWrapper
(s.getReceivedEmail.asInstanceOf [java.util.Iterator[SmtpMessage]])
for (anyMsg - s.getReceivedEmail) {
val msg = anyMsg.asInstanceOf[SmtpMessage]
println(RECEIVED EMAIL
---)
println(From: + msg.getHeaderValue(From))
println(To: + msg.getHeaderValue(To))
println(Subject: + msg.getHeaderValue
(Subject))
println(Body: + msg.getBody)
println
(--)
}
restartServer // reset state
}
}
case _ = // do nothing
}
}
ActorPing.schedule(this, DumbMailEvent, 5 seconds)
case _ = println(Unexpected event received)
}
}
case object DumbMailEvent
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[Lift] Re: ANN: Akka 0.6 is released
Kudos ! Great stuff. On Jan 5, 6:52 pm, Jonas Bonér jbo...@gmail.com wrote: Thanks 2010/1/5 David Pollak feeder.of.the.be...@gmail.com: Congratulations! On Tue, Jan 5, 2010 at 5:34 AM, Jonas Bonér jbo...@gmail.com wrote: Hi. I am proud to announce the release of Akka 0.6. It is a major release in many ways. Many people have made this happen. Especially the great team but also many of the users on the mailing list. Thank you all. Download Akka 0.6 here. The full release notes is available at here, but here is a summary of the highlights. New STM impl with a declarative, a high-order fun and a monadic API New persistence module backends; Redis, Cassandra, MongoDB, works with STM Much improved performance; Akka is now 2-3 times faster than Scala Actors (both event and thread-based) in http://shootout.alioth.debian.org/ benchmark. Much improved memory footprint; an Actor consumes ~600 bytes, can now create 6.5 million on 4 G RAM Much improved Remote Actors; reconnect, compression, implicit sender, supervision across nodes etc. Comet bindings for Actors REST bindings for Actors Cluster Membership protocol; nodes find each other automatically, simple API Security module; HTTP digest and Kerberos Many new Serializers; SBinary, JSON, Protobuf etc. AMQP integration Lift integration Spring integration (in progress) Guice integration Microkernel New home at http://akkasource.org New docs at http://doc.akkasource.org New tutorial at http://jonasboner.com/2010/01/04/introducing-akka.html Feedback is most welcome. Join the mailing list and help us make it better. Thanks. -- Jonas Bonér twitter: @jboner blog: http://jonasboner.com work: http://scalablesolutions.se code: http://github.com/jboner code: http://akkasource.org also: http://letitcrash.com -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Lift, the simply functional web frameworkhttp://liftweb.net Beginning Scalahttp://www.apress.com/book/view/1430219890 Follow me:http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Jonas Bonér twitter: @jboner blog: http://jonasboner.com work: http://scalablesolutions.se code: http://github.com/jboner code: http://akkasource.org also: http://letitcrash.com -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Re: QueryParams and joins
Lift uses the SQL IN statement rather than joins. This has a negative
impact for users of MySQL and Derby.
Try:
TagUser.findAll(By(TagUser.tag, this), In(TagUser.user, User.id,
OrderBy(User.followers_count, Descending), MaxRows[User](10)))
On Mon, Jan 4, 2010 at 11:10 PM, Mads Hartmann mads...@gmail.com wrote:
My ultimate goal would be to only pull out the top x users. I'm
currently using the following code to achieve this:
TagUser.findAll(By(TagUser.tag, this.id)).map(_.user.obj.open_!)
.sort(_.followers_count.is _.followers_count.is)
.take(x)
But im concerned that this creates an instance for each of the users
in tag tag even though i only need the top x.
Thanks for helping me out :)
On Jan 5, 1:47 am, David Pollak feeder.of.the.be...@gmail.com wrote:
On Mon, Jan 4, 2010 at 3:24 PM, Mads Hartmann mads...@gmail.com wrote:
Hello, I'm having a problem and I'm sure it's an easy fix for someone
with a bit more experience
I have 3 model classes: tag, user, tweet and a join class TagUser. A
tag has a list of users.
If i want all of the users in a tag i use the following code (which
works):
def users = TagUser.findAll(By(TagUser.tag, this.id)).map
(_.user.obj.open_!)
my problem is that i can't figure out how to apply queryparams so i
don't pull out all of the users from the DB if i don't need em. I was
thinking something like this (doesn't compile):
def getTopUsers(in: Int) :List[User] = {
TagUser.findAll(By(TagUser.tag, this.id),
OrderBy(User.followers_count, Descending),
MaxRows(in))
There is an issue:
OrderBy(User., Descending) // illegal... you can only order by a
TagUser.xxx field
And a potential issue:
MaxRows[TagUser](in) // sometimes the Type Inferencer doesn't get it
right.
What's your ultimate goal?
}
I get the following error:
[ERROR] ... error: overloaded method value findAll with alternatives
(net.liftweb.mapper.QueryParam[scalableKvidr.model.TagUser]*)List
[scalableKvidr.model.TagUser] and ()List
[scalableKvidr.model.TagUser] cannot be applied to
(net.liftweb.mapper.Cmp
[scalableKvidr.model.TagUser,Long],net.liftweb.mapper.OrderBy
[scalableKvidr.model.User,Int],net.liftweb.mapper.MaxRows[Nothing])
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Re: [Lift] SessionVars in different snippets
Each SessionVar is distinct. Create one -- it can be global -- and use it in both snippets. - michallchen...@gmail.com wrote: I have two snippets Login and Profile, and I want to read same object stored in session, when I use SessionVar it create two different object: object user extends SessionVar[Box[User]](Empty) // same in two snippets When I set this object in Login.scala : val usr = User.find(By(User.login,login)) user.set(usr) in Profile it's still Empty why? -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Question: How to emulate exit behavior with LiftActors
On Tue, Jan 5, 2010 at 8:56 AM, Jcon javarad...@gmail.com wrote:
I'm new to scala and lift, and I've been hacking with a LiftActor used
to a local mail server for development based on the post by Ryan
Donahue:
http://groups.google.com/group/liftweb/browse_thread/thread/56002b39aa67aee6/4d3946d145560d3e?lnk=gstq=test+mail#4d3946d145560d3e
However the code in that post uses ActorPing.scheduledAtFixedRate
which has been removed in the lift 1.1-M8 which I'm using, and it also
looks like LiftActors are now the preferred actor library to use.
Question 1: Given that my LiftActor has to do some cleanup at
shutdown, is a LiftActor even appropriate or should I look at regular
scala actors?
With a Scala Actor, you can only exit from the current Actor, so you must
send some sort of ShutDown message to the Actor and the Actor would do its
cleanup and then call this.exit().
It's the same scenario with Lift, except you don't do the this.exit() call
If LiftActor is still usable in that scenario, how can
my LiftActor get a notification that it needs to do cleanup?
You send a ShutDown message.
The
particular problem I'm having is that Jetty restarts when I change
code, but the smtp server is still bound to the mail port so the
restart fails. I need to stop the mail server when Jetty restarts.
Question 2: Is there an easier way to configure mail locally for
development? I know I could create a gmail account and put the
credentials in Boot.scala, but I was hoping for something self-
contained on my local machine.
Personally, I run Ubuntu and sendmail on my dev box.
Here's my code if that helps (probably not since I'm new to scala it
is probably pretty bad):
package com.chariotsolutions.liftexpo
import scala.collection.jcl.MutableIterator.Wrapper
import net.liftweb.util._
import net.liftweb.util.Helpers._
import net.liftweb.actor._
import net.liftweb.common._
import com.dumbster.smtp._
object DumbMail extends LiftActor {
private var server : Box[SimpleSmtpServer] = Empty
private var port : Int = 25
implicit def javaIteratorToScalaIterator[A](it : java.util.Iterator
[A]) = new Wrapper(it)
def boot(port:Int) = {
println(DumbMail booting)
this.port = port
restartServer
ActorPing.schedule(this, DumbMailEvent, 5 seconds)
}
private def restartServer {
stopServer
server = Full(SimpleSmtpServer.start(port))
}
private def stopServer {
server.map(_.stop)
server = Empty
}
protected def messageHandler = {
case DumbMailEvent = {
println(DumbMailEvent received)
server match {
case Full(s) = {
if (s.getReceivedEmailSize 0) {
//val msgs = new Wrapper(s.getReceivedEmail)
//val msgs = new IteratorWrapper
(s.getReceivedEmail.asInstanceOf [java.util.Iterator[SmtpMessage]])
for (anyMsg - s.getReceivedEmail) {
val msg = anyMsg.asInstanceOf[SmtpMessage]
println(RECEIVED EMAIL
---)
println(From: + msg.getHeaderValue(From))
println(To: + msg.getHeaderValue(To))
println(Subject: + msg.getHeaderValue
(Subject))
println(Body: + msg.getBody)
println
(--)
}
restartServer // reset state
}
}
case _ = // do nothing
}
}
ActorPing.schedule(this, DumbMailEvent, 5 seconds)
case _ = println(Unexpected event received)
}
}
case object DumbMailEvent
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Re: [Lift] Minor breaking changes -- LiftRules.getResourceAsStream and LiftRules.finder
On Mon, Jan 4, 2010 at 1:03 PM, Alex Boisvert alex.boisv...@gmail.comwrote: Instead of: LiftRules.getResourceAsStream(name: String): Box[InputStream] I'd suggest: LiftRules.doWithResource[T](name: String)(f: InputStream = T): Box[T]. Sounds good. Please open a ticket and make it happen. ;-) And if you need laziness, you could use one of the usual suspects: lazy val, unapplied function, FatLazy, etc. alex On Thu, Dec 31, 2009 at 3:48 PM, David Pollak feeder.of.the.be...@gmail.com wrote: Folks, I've changed LiftRules.getResourceAsStream and LiftRules.finder to return Box[Applier[InputStream]] rather than Box[InputStream]. Applier has a single method, apply[T] which takes an InputStream = T and insures the InputStream is closed. This change is unlikely to impact much code out there, but does make sure that InputStreams are closed. If any of the folks out there that name things better than I do (at least I didn't call it Apply_A_Tron), please feel free to suggest name changes, variance changes, etc. Thanks, David -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups "Lift" group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] findAll and inner/outer joins
On Wed, Dec 23, 2009 at 10:18 PM, Dmitry Olyenyov dmitry.olyen...@gmail.com wrote: Hi! Help me, please, with example of inner and outer relations in findAll query. Is it possible to do without manual BySQL()? I want to do following select: select * from payment_order o join client c on o.client_id = c.id where c.type = 'xxx' = PaymentOrder.findAll(...) I had a lot of googling and didn't found anything... PaymentOrder.findAll(In(PaymentOrder.client, Client.id, By(Client.type, foo))) -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups "Lift" group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] How to remove manyTomany children?
Hello guys,
I have a table that has a many-to-many relationship with itself.
I manage to add new entries to the relationship table using the
MapperManyToMany, but I cannot remove entries.
This is the code I am using to remove:
for (entryToRemove - entry.childEntries) {
val indexOf = entry.childEntries.indexOf(entryToRemove)
entry.childEntries.remove(indexOf)
}
entry.save
This code is supposed to remove all the entries in the relationship table, but
it does nothing.
The class I am using to define the ManyToMany table is an extension of Mapper,
not LongKeyedMapper. This is because I do not really need an extra field just
for the primary key. Could this be the problem?
Any suggestions?
Thanks in advance,
GA
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Re: [Lift] How to remove manyTomany children?
Can you try
entry.childEntries.clear
entry.save
?
-
GAmy_li...@me.com wrote:
Hello guys,
I have a table that has a many-to-many relationship with itself.
I manage to add new entries to the relationship table using the
MapperManyToMany, but I cannot remove entries.
This is the code I am using to remove:
for (entryToRemove - entry.childEntries) {
val indexOf = entry.childEntries.indexOf(entryToRemove)
entry.childEntries.remove(indexOf)
}
entry.save
This code is supposed to remove all the entries in the relationship table, but
it does nothing.
The class I am using to define the ManyToMany table is an extension of Mapper,
not LongKeyedMapper. This is because I do not really need an extra field just
for the primary key. Could this be the problem?
Any suggestions?
Thanks in advance,
GA
--
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liftweb+unsubscr...@googlegroups.com.
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Re: [Lift] How to remove manyTomany children?
It does not work either with the LongKeyedMapper.
Am I doing something wrong?
On Jan 5, 2010, at 7:25 PM, Guillermo Acilu wrote:
It was the first thing I tried. But it does not work.
I have run out of options now. I am going to try to add a LongKeyMapper to
see if the problem gets solved.
On Jan 5, 2010, at 7:12 PM, Naftoli Gugenheim wrote:
Can you try
entry.childEntries.clear
entry.save
?
-
GAmy_li...@me.com wrote:
Hello guys,
I have a table that has a many-to-many relationship with itself.
I manage to add new entries to the relationship table using the
MapperManyToMany, but I cannot remove entries.
This is the code I am using to remove:
for (entryToRemove - entry.childEntries) {
val indexOf = entry.childEntries.indexOf(entryToRemove)
entry.childEntries.remove(indexOf)
}
entry.save
This code is supposed to remove all the entries in the relationship table,
but it does nothing.
The class I am using to define the ManyToMany table is an extension of
Mapper, not LongKeyedMapper. This is because I do not really need an extra
field just for the primary key. Could this be the problem?
Any suggestions?
Thanks in advance,
GA
--
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[Lift] Re: QueryParams and joins
Sure thing, it's quite long though :)
Just one thing, i added the following for it to compile (I want to
return List[User] not List[TagUser] : .map(_.user.obj.open_!)
So in all it looks like this
def getTopUsers(in: Int) :List[User] = {
TagUser.findAll(By(TagUser.tag, this.id), In(TagUser.user, User.id,
OrderBy(User.followers_count, Descending), MaxRows[User](in)))
.map(_.user.obj.open_!)
}
Exception occured while processing /
Message: java.lang.NullPointerException
net.liftweb.mapper.In$$anon$3.init(MetaMapper.scala:1206)
net.liftweb.mapper.In$.apply(MetaMapper.scala:1200)
scalableKvidr.model.Tag.getTopUsers(Tag.scala:38)
scalableKvidr.snippet.TagsSnippets$$anonfun$frontpageTags$1.apply
(TagsSnippets.scala:71)
scalableKvidr.snippet.TagsSnippets$$anonfun$frontpageTags$1.apply
(TagsSnippets.scala:68)
scala.List.flatMap(List.scala:1125)
scalableKvidr.snippet.TagsSnippets.frontpageTags(TagsSnippets.scala:
67)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:39)
sun.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:597)
net.liftweb.util.ClassHelpers$$anonfun$net$liftweb$util$ClassHelpers$
$_invokeMethod$2$$anonfun$apply$7.apply(ClassHelpers.scala:352)
net.liftweb.util.ControlHelpers$class.tryo(ControlHelpers.scala:40)
net.liftweb.util.Helpers$.tryo(Helpers.scala:29)
net.liftweb.util.ControlHelpers$class.tryo(ControlHelpers.scala:55)
net.liftweb.util.Helpers$.tryo(Helpers.scala:29)
net.liftweb.util.ClassHelpers$$anonfun$net$liftweb$util$ClassHelpers$
$_invokeMethod$2.apply(ClassHelpers.scala:352)
net.liftweb.util.ClassHelpers$$anonfun$net$liftweb$util$ClassHelpers$
$_invokeMethod$2.apply(ClassHelpers.scala:352)
scala.Iterator$$anon$14.next(Iterator.scala:267)
scala.Iterator$class.find(Iterator.scala:462)
scala.Iterator$$anon$14.find(Iterator.scala:265)
net.liftweb.util.ClassHelpers$class.net$liftweb$util$ClassHelpers$
$_invokeMethod(ClassHelpers.scala:353)
net.liftweb.util.ClassHelpers$class.invokeMethod(ClassHelpers.scala:
285)
net.liftweb.util.Helpers$.invokeMethod(Helpers.scala:29)
net.liftweb.http.LiftSession$$anonfun$17$$anonfun$apply$33$$anonfun
$apply$36$$anonfun$apply$38.apply(LiftSession.scala:723)
net.liftweb.http.LiftSession$$anonfun$17$$anonfun$apply$33$$anonfun
$apply$36$$anonfun$apply$38.apply(LiftSession.scala:705)
net.liftweb.util.EmptyBox.openOr(Box.scala:372)
net.liftweb.http.LiftSession$$anonfun$17$$anonfun$apply$33$$anonfun
$apply$36.apply(LiftSession.scala:705)
net.liftweb.http.LiftSession$$anonfun$17$$anonfun$apply$33$$anonfun
$apply$36.apply(LiftSession.scala:705)
net.liftweb.util.EmptyBox.openOr(Box.scala:372)
net.liftweb.http.LiftSession$$anonfun$17$$anonfun$apply$33.apply
(LiftSession.scala:704)
net.liftweb.http.LiftSession$$anonfun$17$$anonfun$apply$33.apply
(LiftSession.scala:704)
net.liftweb.http.S$.doSnippet(S.scala:725)
net.liftweb.http.LiftSession$$anonfun$17.apply(LiftSession.scala:702)
net.liftweb.http.LiftSession$$anonfun$17.apply(LiftSession.scala:701)
net.liftweb.util.Full.map(Box.scala:330)
net.liftweb.http.LiftSession.net$liftweb$http$LiftSession$
$processSnippet(LiftSession.scala:701)
net.liftweb.http.LiftSession$$anonfun$_defaultLiftTagProcessing
$1.apply(LiftSession.scala:793)
net.liftweb.http.LiftSession$$anonfun$_defaultLiftTagProcessing
$1.apply(LiftSession.scala:777)
net.liftweb.util.NamedPF.apply(NamedPartialFunction.scala:30)
net.liftweb.util.NamedPF$.apply(NamedPartialFunction.scala:76)
net.liftweb.http.LiftSession$$anonfun$processSurroundAndInclude$1$
$anonfun$apply$49.apply(LiftSession.scala:808)
net.liftweb.http.LiftSession$$anonfun$processSurroundAndInclude$1$
$anonfun$apply$49.apply(LiftSession.scala:808)
net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:65)
net.liftweb.http.S$.setVars(S.scala:623)
net.liftweb.http.LiftSession$$anonfun$processSurroundAndInclude
$1.apply(LiftSession.scala:808)
net.liftweb.http.LiftSession$$anonfun$processSurroundAndInclude
$1.apply(LiftSession.scala:805)
scala.Seq$class.flatMap(Seq.scala:294)
scala.xml.NodeSeq.flatMap(NodeSeq.scala:34)
net.liftweb.http.LiftSession.processSurroundAndInclude
(LiftSession.scala:804)
net.liftweb.http.LiftSession.net$liftweb$http$LiftSession$
$processSurroundElement(LiftSession.scala:948)
net.liftweb.http.LiftSession$$anonfun$_defaultLiftTagProcessing
$1.apply(LiftSession.scala:784)
net.liftweb.http.LiftSession$$anonfun$_defaultLiftTagProcessing
$1.apply(LiftSession.scala:777)
[Lift] Re: QueryParams and joins
I've got this in my pom.xml
dependency
groupIdnet.liftweb/groupId
artifactIdlift-core/artifactId
version1.0/version
/dependency
On Jan 5, 8:54 pm, David Pollak feeder.of.the.be...@gmail.com wrote:
On Tue, Jan 5, 2010 at 11:51 AM, Mads Hartmann mads...@gmail.com wrote:
Sure thing, it's quite long though :)
Just one thing, i added the following for it to compile (I want to
return List[User] not List[TagUser] : .map(_.user.obj.open_!)
So in all it looks like this
def getTopUsers(in: Int) :List[User] = {
TagUser.findAll(By(TagUser.tag, this.id), In(TagUser.user, User.id,
OrderBy(User.followers_count, Descending), MaxRows[User](in)))
.map(_.user.obj.open_!)
}
What version of Lift?
Exception occured while processing /
Message: java.lang.NullPointerException
net.liftweb.mapper.In$$anon$3.init(MetaMapper.scala:1206)
net.liftweb.mapper.In$.apply(MetaMapper.scala:1200)
scalableKvidr.model.Tag.getTopUsers(Tag.scala:38)
scalableKvidr.snippet.TagsSnippets$$anonfun$frontpageTags$1.apply
(TagsSnippets.scala:71)
scalableKvidr.snippet.TagsSnippets$$anonfun$frontpageTags$1.apply
(TagsSnippets.scala:68)
scala.List.flatMap(List.scala:1125)
scalableKvidr.snippet.TagsSnippets.frontpageTags(TagsSnippets.scala:
67)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:39)
sun.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:597)
net.liftweb.util.ClassHelpers$$anonfun$net$liftweb$util$ClassHelpers$
$_invokeMethod$2$$anonfun$apply$7.apply(ClassHelpers.scala:352)
net.liftweb.util.ControlHelpers$class.tryo(ControlHelpers.scala:40)
net.liftweb.util.Helpers$.tryo(Helpers.scala:29)
net.liftweb.util.ControlHelpers$class.tryo(ControlHelpers.scala:55)
net.liftweb.util.Helpers$.tryo(Helpers.scala:29)
net.liftweb.util.ClassHelpers$$anonfun$net$liftweb$util$ClassHelpers$
$_invokeMethod$2.apply(ClassHelpers.scala:352)
net.liftweb.util.ClassHelpers$$anonfun$net$liftweb$util$ClassHelpers$
$_invokeMethod$2.apply(ClassHelpers.scala:352)
scala.Iterator$$anon$14.next(Iterator.scala:267)
scala.Iterator$class.find(Iterator.scala:462)
scala.Iterator$$anon$14.find(Iterator.scala:265)
net.liftweb.util.ClassHelpers$class.net$liftweb$util$ClassHelpers$
$_invokeMethod(ClassHelpers.scala:353)
net.liftweb.util.ClassHelpers$class.invokeMethod(ClassHelpers.scala:
285)
net.liftweb.util.Helpers$.invokeMethod(Helpers.scala:29)
net.liftweb.http.LiftSession$$anonfun$17$$anonfun$apply$33$$anonfun
$apply$36$$anonfun$apply$38.apply(LiftSession.scala:723)
net.liftweb.http.LiftSession$$anonfun$17$$anonfun$apply$33$$anonfun
$apply$36$$anonfun$apply$38.apply(LiftSession.scala:705)
net.liftweb.util.EmptyBox.openOr(Box.scala:372)
net.liftweb.http.LiftSession$$anonfun$17$$anonfun$apply$33$$anonfun
$apply$36.apply(LiftSession.scala:705)
net.liftweb.http.LiftSession$$anonfun$17$$anonfun$apply$33$$anonfun
$apply$36.apply(LiftSession.scala:705)
net.liftweb.util.EmptyBox.openOr(Box.scala:372)
net.liftweb.http.LiftSession$$anonfun$17$$anonfun$apply$33.apply
(LiftSession.scala:704)
net.liftweb.http.LiftSession$$anonfun$17$$anonfun$apply$33.apply
(LiftSession.scala:704)
net.liftweb.http.S$.doSnippet(S.scala:725)
net.liftweb.http.LiftSession$$anonfun$17.apply(LiftSession.scala:702)
net.liftweb.http.LiftSession$$anonfun$17.apply(LiftSession.scala:701)
net.liftweb.util.Full.map(Box.scala:330)
net.liftweb.http.LiftSession.net$liftweb$http$LiftSession$
$processSnippet(LiftSession.scala:701)
net.liftweb.http.LiftSession$$anonfun$_defaultLiftTagProcessing
$1.apply(LiftSession.scala:793)
net.liftweb.http.LiftSession$$anonfun$_defaultLiftTagProcessing
$1.apply(LiftSession.scala:777)
net.liftweb.util.NamedPF.apply(NamedPartialFunction.scala:30)
net.liftweb.util.NamedPF$.apply(NamedPartialFunction.scala:76)
net.liftweb.http.LiftSession$$anonfun$processSurroundAndInclude$1$
$anonfun$apply$49.apply(LiftSession.scala:808)
net.liftweb.http.LiftSession$$anonfun$processSurroundAndInclude$1$
$anonfun$apply$49.apply(LiftSession.scala:808)
net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:65)
net.liftweb.http.S$.setVars(S.scala:623)
net.liftweb.http.LiftSession$$anonfun$processSurroundAndInclude
$1.apply(LiftSession.scala:808)
net.liftweb.http.LiftSession$$anonfun$processSurroundAndInclude
$1.apply(LiftSession.scala:805)
scala.Seq$class.flatMap(Seq.scala:294)
scala.xml.NodeSeq.flatMap(NodeSeq.scala:34)
Re: [Lift] Re: QueryParams and joins
On Tue, Jan 5, 2010 at 12:10 PM, Mads Hartmann mads...@gmail.com wrote:
I've got this in my pom.xml
dependency
groupIdnet.liftweb/groupId
artifactIdlift-core/artifactId
version1.0/version
/dependency
Ah hah!
I'd strongly recommend you upgrade to Lift 1.1-M8. It's faster, more stable
and better supported than 1.0.
On Jan 5, 8:54 pm, David Pollak feeder.of.the.be...@gmail.com wrote:
On Tue, Jan 5, 2010 at 11:51 AM, Mads Hartmann mads...@gmail.com
wrote:
Sure thing, it's quite long though :)
Just one thing, i added the following for it to compile (I want to
return List[User] not List[TagUser] : .map(_.user.obj.open_!)
So in all it looks like this
def getTopUsers(in: Int) :List[User] = {
TagUser.findAll(By(TagUser.tag, this.id), In(TagUser.user, User.id,
OrderBy(User.followers_count, Descending), MaxRows[User](in)))
.map(_.user.obj.open_!)
}
What version of Lift?
Exception occured while processing /
Message: java.lang.NullPointerException
net.liftweb.mapper.In$$anon$3.init(MetaMapper.scala:1206)
net.liftweb.mapper.In$.apply(MetaMapper.scala:1200)
scalableKvidr.model.Tag.getTopUsers(Tag.scala:38)
scalableKvidr.snippet.TagsSnippets$$anonfun$frontpageTags$1.apply
(TagsSnippets.scala:71)
scalableKvidr.snippet.TagsSnippets$$anonfun$frontpageTags$1.apply
(TagsSnippets.scala:68)
scala.List.flatMap(List.scala:1125)
scalableKvidr.snippet.TagsSnippets.frontpageTags(TagsSnippets.scala:
67)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:39)
sun.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:597)
net.liftweb.util.ClassHelpers$$anonfun$net$liftweb$util$ClassHelpers$
$_invokeMethod$2$$anonfun$apply$7.apply(ClassHelpers.scala:352)
net.liftweb.util.ControlHelpers$class.tryo(ControlHelpers.scala:40)
net.liftweb.util.Helpers$.tryo(Helpers.scala:29)
net.liftweb.util.ControlHelpers$class.tryo(ControlHelpers.scala:55)
net.liftweb.util.Helpers$.tryo(Helpers.scala:29)
net.liftweb.util.ClassHelpers$$anonfun$net$liftweb$util$ClassHelpers$
$_invokeMethod$2.apply(ClassHelpers.scala:352)
net.liftweb.util.ClassHelpers$$anonfun$net$liftweb$util$ClassHelpers$
$_invokeMethod$2.apply(ClassHelpers.scala:352)
scala.Iterator$$anon$14.next(Iterator.scala:267)
scala.Iterator$class.find(Iterator.scala:462)
scala.Iterator$$anon$14.find(Iterator.scala:265)
net.liftweb.util.ClassHelpers$class.net
$liftweb$util$ClassHelpers$
$_invokeMethod(ClassHelpers.scala:353)
net.liftweb.util.ClassHelpers$class.invokeMethod(ClassHelpers.scala:
285)
net.liftweb.util.Helpers$.invokeMethod(Helpers.scala:29)
net.liftweb.http.LiftSession$$anonfun$17$$anonfun$apply$33$$anonfun
$apply$36$$anonfun$apply$38.apply(LiftSession.scala:723)
net.liftweb.http.LiftSession$$anonfun$17$$anonfun$apply$33$$anonfun
$apply$36$$anonfun$apply$38.apply(LiftSession.scala:705)
net.liftweb.util.EmptyBox.openOr(Box.scala:372)
net.liftweb.http.LiftSession$$anonfun$17$$anonfun$apply$33$$anonfun
$apply$36.apply(LiftSession.scala:705)
net.liftweb.http.LiftSession$$anonfun$17$$anonfun$apply$33$$anonfun
$apply$36.apply(LiftSession.scala:705)
net.liftweb.util.EmptyBox.openOr(Box.scala:372)
net.liftweb.http.LiftSession$$anonfun$17$$anonfun$apply$33.apply
(LiftSession.scala:704)
net.liftweb.http.LiftSession$$anonfun$17$$anonfun$apply$33.apply
(LiftSession.scala:704)
net.liftweb.http.S$.doSnippet(S.scala:725)
net.liftweb.http.LiftSession$$anonfun$17.apply(LiftSession.scala:702)
net.liftweb.http.LiftSession$$anonfun$17.apply(LiftSession.scala:701)
net.liftweb.util.Full.map(Box.scala:330)
net.liftweb.http.LiftSession.net$liftweb$http$LiftSession$
$processSnippet(LiftSession.scala:701)
net.liftweb.http.LiftSession$$anonfun$_defaultLiftTagProcessing
$1.apply(LiftSession.scala:793)
net.liftweb.http.LiftSession$$anonfun$_defaultLiftTagProcessing
$1.apply(LiftSession.scala:777)
net.liftweb.util.NamedPF.apply(NamedPartialFunction.scala:30)
net.liftweb.util.NamedPF$.apply(NamedPartialFunction.scala:76)
net.liftweb.http.LiftSession$$anonfun$processSurroundAndInclude$1$
$anonfun$apply$49.apply(LiftSession.scala:808)
net.liftweb.http.LiftSession$$anonfun$processSurroundAndInclude$1$
$anonfun$apply$49.apply(LiftSession.scala:808)
net.liftweb.util.ThreadGlobal.doWith(ThreadGlobal.scala:65)
net.liftweb.http.S$.setVars(S.scala:623)
net.liftweb.http.LiftSession$$anonfun$processSurroundAndInclude
[Lift] Re: Question: How to emulate exit behavior with LiftActors
Great, thanks. Added a shutdown message that my actor responds to and added the following to Boot.scala: LiftRules.unloadHooks append(() = DumbMail ! DumbMailShutdown) And now my mail actor cleans up appropriately when Jetty restarts. Good learning exercise. I may also try to configure a local smtp server (postfix on my Mac) as suggested. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] How to remove manyTomany children?
Are they not getting removed from the collection when you call clear, or are
they not getting deleted in the database when you call save?
Also, are you trying to delete the actual entity? Clear and remove just delete
the relationship.
-
GAmy_li...@me.com wrote:
It does not work either with the LongKeyedMapper.
Am I doing something wrong?
On Jan 5, 2010, at 7:25 PM, Guillermo Acilu wrote:
It was the first thing I tried. But it does not work.
I have run out of options now. I am going to try to add a LongKeyMapper to
see if the problem gets solved.
On Jan 5, 2010, at 7:12 PM, Naftoli Gugenheim wrote:
Can you try
entry.childEntries.clear
entry.save
?
-
GAmy_li...@me.com wrote:
Hello guys,
I have a table that has a many-to-many relationship with itself.
I manage to add new entries to the relationship table using the
MapperManyToMany, but I cannot remove entries.
This is the code I am using to remove:
for (entryToRemove - entry.childEntries) {
val indexOf = entry.childEntries.indexOf(entryToRemove)
entry.childEntries.remove(indexOf)
}
entry.save
This code is supposed to remove all the entries in the relationship table,
but it does nothing.
The class I am using to define the ManyToMany table is an extension of
Mapper, not LongKeyedMapper. This is because I do not really need an extra
field just for the primary key. Could this be the problem?
Any suggestions?
Thanks in advance,
GA
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[Lift] Re: IE6 Strict mode - skip ?xml version 1.0... header
Yep, that works great, thanks! Lift automatically detects IE and IE6 and does the right thing in terms of headers as well as the ?xml ? header. Please take a look at the HTML and headers actually emitted when IE6 is detected... it should be correct. - Alex -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.comliftweb%2bunsubscr...@googlegroups.com . For more options, visit this group at http://groups.google.com/group/liftweb?hl=en. -- Lift, the simply functional web frameworkhttp://liftweb.net Beginning Scalahttp://www.apress.com/book/view/1430219890 Follow me:http://twitter.com/dpp Surf the harmonics -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
[Lift] Re: QueryParams and joins
I really appreciate you taking the time to help me out. depedency now is: dependency groupIdnet.liftweb/groupId artifactIdlift-core/artifactId version1.1-M8/version /dependency It compiles just fine, but when i try to start the server i get the following error: ERROR - Failed to Boot java.lang.NoClassDefFoundError: net/liftweb/util/Box at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:169) at net.liftweb.http.DefaultBootstrap$.boot(LiftRules.scala:1260) at net.liftweb.http.provider.HTTPProvider$class.bootLift (HTTPProvider.scala:70) at net.liftweb.http.LiftFilter.bootLift(LiftServlet.scala:523) at net.liftweb.http.provider.servlet.ServletFilterProvider$class.init (ServletFilterProvider.scala:20) at net.liftweb.http.LiftFilter.init(LiftServlet.scala:523) at org.mortbay.jetty.servlet.FilterHolder.doStart(FilterHolder.java: 97) at org.mortbay.component.AbstractLifeCycle.start (AbstractLifeCycle.java:50) at org.mortbay.jetty.servlet.ServletHandler.initialize (ServletHandler.java:662) at org.mortbay.jetty.servlet.Context.startContext(Context.java:140) at org.mortbay.jetty.webapp.WebAppContext.startContext (WebAppContext.java:1250) at org.mortbay.jetty.handler.ContextHandler.doStart (ContextHandler.java:517) at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java: 467) at org.mortbay.jetty.plugin.Jetty6PluginWebAppContext.doStart (Jetty6PluginWebAppContext.java:115) at org.mortbay.component.AbstractLifeCycle.start (AbstractLifeCycle.java:50) at org.mortbay.jetty.handler.HandlerCollection.doStart (HandlerCollection.java:152) at org.mortbay.jetty.handler.ContextHandlerCollection.doStart (ContextHandlerCollection.java:156) at org.mortbay.component.AbstractLifeCycle.start (AbstractLifeCycle.java:50) at org.mortbay.jetty.handler.HandlerCollection.doStart (HandlerCollection.java:152) at org.mortbay.component.AbstractLifeCycle.start (AbstractLifeCycle.java:50) at org.mortbay.jetty.handler.HandlerWrapper.doStart (HandlerWrapper.java:130) at org.mortbay.jetty.Server.doStart(Server.java:224) at org.mortbay.component.AbstractLifeCycle.start (AbstractLifeCycle.java:50) at org.mortbay.jetty.plugin.Jetty6PluginServer.start (Jetty6PluginServer.java:132) at org.mortbay.jetty.plugin.AbstractJettyMojo.startJetty (AbstractJettyMojo.java:441) at org.mortbay.jetty.plugin.AbstractJettyMojo.execute (AbstractJettyMojo.java:383) at org.mortbay.jetty.plugin.AbstractJettyRunMojo.execute (AbstractJettyRunMojo.java:210) at org.mortbay.jetty.plugin.Jetty6RunMojo.execute(Jetty6RunMojo.java: 184) at org.apache.maven.plugin.DefaultPluginManager.executeMojo (DefaultPluginManager.java:490) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals (DefaultLifecycleExecutor.java:694) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal (DefaultLifecycleExecutor.java:569) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal (DefaultLifecycleExecutor.java:539) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures (DefaultLifecycleExecutor.java:387) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments (DefaultLifecycleExecutor.java:348) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute (DefaultLifecycleExecutor.java:180) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138) at org.apache.maven.cli.MavenCli.main(MavenCli.java:362) at org.apache.maven.cli.compat.CompatibleMain.main (CompatibleMain.java:60) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java: 315) at org.codehaus.classworlds.Launcher.launch(Launcher.java:255) at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java: 430) at org.codehaus.classworlds.Launcher.main(Launcher.java:375) Caused by: java.lang.ClassNotFoundException: net.liftweb.util.Box at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:315) at org.codehaus.classworlds.RealmClassLoader.loadClassDirect (RealmClassLoader.java:195) at
[Lift] Re: Simple deployment of Lift apps on Jetty/Nginx
You can have more than one domain per IP address served by different applications with Nginx up front. You can swap from one instance of an application to another (semi-seamless upgrades) with Nginx up front. You can front many different Lift instances (some running on other machines) with Nginx up front (there are some high volume Lift sites that do this). Thats good to know, thanks! -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Re: QueryParams and joins
It looks like you probably have some other dependencies somewhere or old jars pointing to the old lift version. Please first try mvn clean jetty:run, and if that doesn't work, run mvn dependency:tree to try and find where the other version of lift- webkit is coming from. If you're still stuck, paste the output of dependency:tree please! -Ross On Jan 5, 2010, at 4:06 PM, Mads Hartmann wrote: I really appreciate you taking the time to help me out. depedency now is: dependency groupIdnet.liftweb/groupId artifactIdlift-core/artifactId version1.1-M8/version /dependency It compiles just fine, but when i try to start the server i get the following error: ERROR - Failed to Boot java.lang.NoClassDefFoundError: net/liftweb/util/Box at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:169) at net.liftweb.http.DefaultBootstrap$.boot(LiftRules.scala:1260) at net.liftweb.http.provider.HTTPProvider$class.bootLift (HTTPProvider.scala:70) at net.liftweb.http.LiftFilter.bootLift(LiftServlet.scala:523) at net.liftweb.http.provider.servlet.ServletFilterProvider$class.init (ServletFilterProvider.scala:20) at net.liftweb.http.LiftFilter.init(LiftServlet.scala:523) at org.mortbay.jetty.servlet.FilterHolder.doStart(FilterHolder.java: 97) at org.mortbay.component.AbstractLifeCycle.start (AbstractLifeCycle.java:50) at org.mortbay.jetty.servlet.ServletHandler.initialize (ServletHandler.java:662) at org.mortbay.jetty.servlet.Context.startContext(Context.java:140) at org.mortbay.jetty.webapp.WebAppContext.startContext (WebAppContext.java:1250) at org.mortbay.jetty.handler.ContextHandler.doStart (ContextHandler.java:517) at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java: 467) at org.mortbay.jetty.plugin.Jetty6PluginWebAppContext.doStart (Jetty6PluginWebAppContext.java:115) at org.mortbay.component.AbstractLifeCycle.start (AbstractLifeCycle.java:50) at org.mortbay.jetty.handler.HandlerCollection.doStart (HandlerCollection.java:152) at org.mortbay.jetty.handler.ContextHandlerCollection.doStart (ContextHandlerCollection.java:156) at org.mortbay.component.AbstractLifeCycle.start (AbstractLifeCycle.java:50) at org.mortbay.jetty.handler.HandlerCollection.doStart (HandlerCollection.java:152) at org.mortbay.component.AbstractLifeCycle.start (AbstractLifeCycle.java:50) at org.mortbay.jetty.handler.HandlerWrapper.doStart (HandlerWrapper.java:130) at org.mortbay.jetty.Server.doStart(Server.java:224) at org.mortbay.component.AbstractLifeCycle.start (AbstractLifeCycle.java:50) at org.mortbay.jetty.plugin.Jetty6PluginServer.start (Jetty6PluginServer.java:132) at org.mortbay.jetty.plugin.AbstractJettyMojo.startJetty (AbstractJettyMojo.java:441) at org.mortbay.jetty.plugin.AbstractJettyMojo.execute (AbstractJettyMojo.java:383) at org.mortbay.jetty.plugin.AbstractJettyRunMojo.execute (AbstractJettyRunMojo.java:210) at org.mortbay.jetty.plugin.Jetty6RunMojo.execute(Jetty6RunMojo.java: 184) at org.apache.maven.plugin.DefaultPluginManager.executeMojo (DefaultPluginManager.java:490) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals (DefaultLifecycleExecutor.java:694) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal (DefaultLifecycleExecutor.java:569) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal (DefaultLifecycleExecutor.java:539) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures (DefaultLifecycleExecutor.java:387) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments (DefaultLifecycleExecutor.java:348) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute (DefaultLifecycleExecutor.java:180) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138) at org.apache.maven.cli.MavenCli.main(MavenCli.java:362) at org.apache.maven.cli.compat.CompatibleMain.main (CompatibleMain.java:60) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java: 315) at org.codehaus.classworlds.Launcher.launch(Launcher.java:255) at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java: 430) at org.codehaus.classworlds.Launcher.main(Launcher.java:375) Caused by: java.lang.ClassNotFoundException: net.liftweb.util.Box
Re: [Lift] How to remove manyTomany children?
I would like to remove them from the database, not only the relationship.
How should I do that?
Thanks,
On Jan 5, 2010, at 9:42 PM, Naftoli Gugenheim wrote:
Are they not getting removed from the collection when you call clear, or are
they not getting deleted in the database when you call save?
Also, are you trying to delete the actual entity? Clear and remove just
delete the relationship.
-
GAmy_li...@me.com wrote:
It does not work either with the LongKeyedMapper.
Am I doing something wrong?
On Jan 5, 2010, at 7:25 PM, Guillermo Acilu wrote:
It was the first thing I tried. But it does not work.
I have run out of options now. I am going to try to add a LongKeyMapper to
see if the problem gets solved.
On Jan 5, 2010, at 7:12 PM, Naftoli Gugenheim wrote:
Can you try
entry.childEntries.clear
entry.save
?
-
GAmy_li...@me.com wrote:
Hello guys,
I have a table that has a many-to-many relationship with itself.
I manage to add new entries to the relationship table using the
MapperManyToMany, but I cannot remove entries.
This is the code I am using to remove:
for (entryToRemove - entry.childEntries) {
val indexOf = entry.childEntries.indexOf(entryToRemove)
entry.childEntries.remove(indexOf)
}
entry.save
This code is supposed to remove all the entries in the relationship table,
but it does nothing.
The class I am using to define the ManyToMany table is an extension of
Mapper, not LongKeyedMapper. This is because I do not really need an extra
field just for the primary key. Could this be the problem?
Any suggestions?
Thanks in advance,
GA
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Re: [Lift] How to remove manyTomany children?
Just call .delete_! on the entity itself. It should automatically remove the
relationships.
-
GAmy_li...@me.com wrote:
I would like to remove them from the database, not only the relationship.
How should I do that?
Thanks,
On Jan 5, 2010, at 9:42 PM, Naftoli Gugenheim wrote:
Are they not getting removed from the collection when you call clear, or are
they not getting deleted in the database when you call save?
Also, are you trying to delete the actual entity? Clear and remove just
delete the relationship.
-
GAmy_li...@me.com wrote:
It does not work either with the LongKeyedMapper.
Am I doing something wrong?
On Jan 5, 2010, at 7:25 PM, Guillermo Acilu wrote:
It was the first thing I tried. But it does not work.
I have run out of options now. I am going to try to add a LongKeyMapper to
see if the problem gets solved.
On Jan 5, 2010, at 7:12 PM, Naftoli Gugenheim wrote:
Can you try
entry.childEntries.clear
entry.save
?
-
GAmy_li...@me.com wrote:
Hello guys,
I have a table that has a many-to-many relationship with itself.
I manage to add new entries to the relationship table using the
MapperManyToMany, but I cannot remove entries.
This is the code I am using to remove:
for (entryToRemove - entry.childEntries) {
val indexOf = entry.childEntries.indexOf(entryToRemove)
entry.childEntries.remove(indexOf)
}
entry.save
This code is supposed to remove all the entries in the relationship table,
but it does nothing.
The class I am using to define the ManyToMany table is an extension of
Mapper, not LongKeyedMapper. This is because I do not really need an extra
field just for the primary key. Could this be the problem?
Any suggestions?
Thanks in advance,
GA
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[Lift] Re: multiple forms on a page.
On Jan 5, 10:18 pm, Naftoli Gugenheim naftoli...@gmail.com wrote:
Just move var localNote ... to before def doReply() ...
-
Thanks Naftoli. It does save a reply to the db after I move var
localNote to before def doReply(). But It will only save reply to the
last note even when I try to reply to the note in the top section.
So, in order to see what happend, I add lift:embed what=/templates-
hidden/gbook/replyForm / no matter the note was replied or not.
When the page loaded, I saw all the textareas in each reply form has
the same reply content of the last note. But both those textareas and
submit buttons have different names. Seems lift doesn't deal the
embeded template content in the snippet properly as wished.
I also test to add eager_eval=true to the list template as:
lift:GuestBook.list eager_eval=true. But this won't help.
Thanks for your time. You're so warmhearted. ^_^
def replyNote(html: NodeSeq): NodeSeq = {
val localNote = curListNote
def doReply() = {
localNote.save
}
bind(note, html,
replyContent - SHtml.textarea(localNote.replyContent,
localNote.replyContent(_)),
submit - SHtml.submit(Reply, doReply)
)
}
private def getReplyContent(item: GuestNote) = {
if (item.repliedByAdmin == 0) {
divpNot replied by admin/pp{item.replyContent}/
plift:embed what=/templates-hidden/gbook/replyForm //div
}
else
divp{Replied by admin at: +item.replyTime}/pp
{item.replyContent}/plift:embed what=/templates-hidden/gbook/
replyForm //div
}
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[Lift] Re: new line to br /
Thanks Alex.
Yes, this can work. But I wonder how to achieve the require below?
In our old php practice, we often use some jseditor to provide some
kind of WYWG function. So peoples can input text with some style built
in, such as font-size, font-weight, color, background-color or even
insert a online image etc. Then, after submit, the content in db is
some html indeed.
For these html in db, how can I render it properly? Seems Text(_) is
not suitable for this kind of data now.
On Jan 5, 10:47 pm, Alex Boisvert alex.boisv...@gmail.com wrote:
The problem is that you're creating a String (not a NodeSeq) and the String
content is being escaped inside the wrapping elements.
Try this,
p { note.replyContent split '\n' map { Text(_) ++ br/ } reduceLeft (_ ++
_) } /p
alex
On Tue, Jan 5, 2010 at 9:24 AM, daiwhea daiw...@gmail.com wrote:
my issue is:
There are some text input by users. There are new line character(\r\n)
in these text. I want to convert those new line characters into br /
In the snippet, I put p{note.replyContent.replaceAll(\n, br /)}
/p. But the converted br / was changed to lt;br /gt; by lift.
So, my question is: In lift, how can I convert those new lines into
br / tags?
Thanks in advance. ^_^
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Re: [Lift] Re: multiple forms on a page.
The easiest thing to do is for you to post your project as a complete
runnable whole to GitHub (just make a public repository).
I'll clone the repository, fix the issue and you'll see the diff and have a
running project. Sound good?
On Tue, Jan 5, 2010 at 6:32 PM, daiwhea daiw...@gmail.com wrote:
On Jan 5, 10:18 pm, Naftoli Gugenheim naftoli...@gmail.com wrote:
Just move var localNote ... to before def doReply() ...
-
Thanks Naftoli. It does save a reply to the db after I move var
localNote to before def doReply(). But It will only save reply to the
last note even when I try to reply to the note in the top section.
So, in order to see what happend, I add lift:embed what=/templates-
hidden/gbook/replyForm / no matter the note was replied or not.
When the page loaded, I saw all the textareas in each reply form has
the same reply content of the last note. But both those textareas and
submit buttons have different names. Seems lift doesn't deal the
embeded template content in the snippet properly as wished.
I also test to add eager_eval=true to the list template as:
lift:GuestBook.list eager_eval=true. But this won't help.
Thanks for your time. You're so warmhearted. ^_^
def replyNote(html: NodeSeq): NodeSeq = {
val localNote = curListNote
def doReply() = {
localNote.save
}
bind(note, html,
replyContent - SHtml.textarea(localNote.replyContent,
localNote.replyContent(_)),
submit - SHtml.submit(Reply, doReply)
)
}
private def getReplyContent(item: GuestNote) = {
if (item.repliedByAdmin == 0) {
divpNot replied by admin/pp{item.replyContent}/
plift:embed what=/templates-hidden/gbook/replyForm //div
}
else
divp{Replied by admin at: +item.replyTime}/pp
{item.replyContent}/plift:embed what=/templates-hidden/gbook/
replyForm //div
}
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Beginning Scala http://www.apress.com/book/view/1430219890
Follow me: http://twitter.com/dpp
Surf the harmonics
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[Lift] Re: new line to br /
Yeah, I'll try Textile later. It's far beyond my ability now. I'm not
so familiar with lift now.
Thanks David. You always help a lot.
On Jan 6, 11:41 am, David Pollak feeder.of.the.be...@gmail.com
wrote:
On Tue, Jan 5, 2010 at 7:34 PM, daiwhea daiw...@gmail.com wrote:
Thanks Alex.
Yes, this can work. But I wonder how to achieve the require below?
In our old php practice, we often use some jseditor to provide some
kind of WYWG function. So peoples can input text with some style built
in, such as font-size, font-weight, color, background-color or even
insert a online image etc. Then, after submit, the content in db is
some html indeed.
For these html in db, how can I render it properly? Seems Text(_) is
not suitable for this kind of data now.
You can use scala.xml.Unparsed. This will pass a String to the XML output
without transformation. However, if the String is malformed XML, the
browser will choke. If the String contains JavaScript, it could result in
Cross Site Scripting issues.
Please take a look at Lift's Textile parser which transforms Strings in
Textile format to valid, secure XHTML.
On Jan 5, 10:47 pm, Alex Boisvert alex.boisv...@gmail.com wrote:
The problem is that you're creating a String (not a NodeSeq) and the
String
content is being escaped inside the wrapping elements.
Try this,
p { note.replyContent split '\n' map { Text(_) ++ br/ } reduceLeft (_
++
_) } /p
alex
On Tue, Jan 5, 2010 at 9:24 AM, daiwhea daiw...@gmail.com wrote:
my issue is:
There are some text input by users. There are new line character(\r\n)
in these text. I want to convert those new line characters into br /
In the snippet, I put p{note.replyContent.replaceAll(\n, br /)}
/p. But the converted br / was changed to lt;br /gt; by lift.
So, my question is: In lift, how can I convert those new lines into
br / tags?
Thanks in advance. ^_^
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[Lift] Debug message
What does this message mean? Msgs: Default Error is not rendered as the default title is the empty string -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
Re: [Lift] Re: Skittr example in bad shape
A fix will be up in the next few days.
On Mon, Dec 21, 2009 at 2:03 PM, Vesa brut...@gmail.com wrote:
Hi,
I noticed logged in user still can't see messages by other users they
follow. There were couple of messages still missing parameters. Patch
shows the parts that need to be modified to get it working again.
- Vesa
diff --git a/lift-examples/skittr/src/main/scala/com/skittr/actor/
UserActor.scala b/lift-examples/skittr/src/main/scala/com/skittr/actor/
UserActor.scala
index cb51f45..a057192 100644
--- a/lift-examples/skittr/src/main/scala/com/skittr/actor/
UserActor.scala
+++ b/lift-examples/skittr/src/main/scala/com/skittr/actor/
UserActor.scala
@@ -101,7 +101,7 @@ class UserActor extends LiftActor {
// tell all our friends that we follow them
case ConfigFollowers =
- friends.flatMap(f = UserList.find(f).toList).foreach(_ !
AddFollower)
+ friends.flatMap(f = UserList.find(f).toList).foreach(_ !
AddFollower(this))
// if the autogen property is set, then have each of the
actors
// randomly generate a message
if (User.shouldAutogen_? || System.getProperty(autogen) !=
null) autoGen
@@ -110,11 +110,12 @@ class UserActor extends LiftActor {
// if we add a friend,
case AddFriend(name) =
+
friends = (name :: friends).sort(_ _)
// find the user
UserList.find(name).foreach{
ua =
-ua ! AddFollower // tell him we're a follower
+ua ! AddFollower(this) // tell him we're a follower
(ua !? GetUserIdAndName) match { // get the user info
case UserIdInfo(id, _,_, _) = Friend.create.owner
(userId).friend(id).save // and persist a friend connection in the DB
case _ =
@@ -127,7 +128,7 @@ class UserActor extends LiftActor {
// find the user
UserList.find(name).foreach{
ua =
-ua ! RemoveFollower // tell them we're no longer following
+ua ! RemoveFollower(this) // tell them we're no longer
following
(ua !? GetUserIdAndName) match { // delete from database
case UserIdInfo(id, _,_,_) = Friend.findAll(By
(Friend.owner, userId), By(Friend.friend, id)).foreach(_.delete_!)
case _ =
On 17 joulu, 16:35, David Pollak feeder.of.the.be...@gmail.com
wrote:
On Thu, Dec 17, 2009 at 4:35 AM, Vesa brut...@gmail.com wrote:
Hi,
I was trying to run the skittr example from the lift-examples and it
doesn't seem to work. It's demonstrating usage of comet but it doesn't
get that far as the comet actor never receives any messages due to a
bug. Also the indentation is a mix of spaces and tabs of different
width and looks quite messed up. How should I deliver a fix when I'm
done?
There's a single simple bug. When we moved from Scala Actors to Lift
Actors, we moved from a case object AddTimelineViewer to case class
AddTimelineViewer(who: SimpleActor[Any]) Unfortunately, the compiler
didn't
flag the actor ! AddTimelineViewer line as a bug... it converted the line
to
actor ! (who = AddTimelineViewer.apply) and passed a function as a
message. I've fixed the code locally (WatchUser.scala lines 49-52
become):
override def localSetup {
userActor = name.flatMap(name = UserList.find(name))
userActor.foreach{ua = ua ! AddTimelineViewer(this) ; messages =
(ua
!? GetTimeline) match {case Timeline(m) = m; case _ = Nil}}
}
I'll get a patch onto review board by end of day today.
- Vesa
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[Lift] Lift on Atmosphere
Hello World. I am a Lift beginner and I would like to know if anyone has successfully succeeded in running Lift on Atmosphere: https://atmosphere.dev.java.net thanks. -- You received this message because you are subscribed to the Google Groups Lift group. To post to this group, send email to lift...@googlegroups.com. To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/liftweb?hl=en.
