Re: Transaction API, ReadWriteLock
Yes, all participating threads would need to access the same
transaction manager.
Oliver
On 7/6/05, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
Switching to use a manager to manage lock references eliminates the need to
mange lock references, but doesn't this just push this reference problem to
the manager object?
If classes foo1 and foo2 needed to write to the same file, they would need
to reference the same manager object to be aware of the lock that was
created by the other class. If so, then the creation of the manager object
would need to be placed in Singleton object so both classes could obtain
the same reference to the manager object. Correct?
LeRoy
Oliver Zeigermann
oliver.zeigerman
[EMAIL PROTECTED]
To
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07/06/2005 09:47 commons-user@jakarta.apache.org
AM cc
Subject
Please respond to Re: Transaction API, ReadWriteLock
Jakarta Commons
Users List
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arta.apache.org
Exactly. In most cases I would recommend to use a manager.
Oliver
On 7/6/05, Aaron Hamid [EMAIL PROTECTED] wrote:
I see, so if I do not wish to manage the lock references myself, I (and
LeRoy also) should always obtain locks through a LockManager.
Aaron
Oliver Zeigermann wrote:
By the way, when giving me first advice I stumbled over exactly this
difference between the lock manager and the lock itself...
Oliver
On 7/6/05, Oliver Zeigermann [EMAIL PROTECTED] wrote:
You are right, but only for the lock manager. The lock manager takes
care of uniquely mapping a resource id to a lock, but when you work on
a lock *directly* it must - of course - be the same object.
Oliver
On 7/6/05, Aaron Hamid [EMAIL PROTECTED] wrote:
Is this true? It was my impression, have first written such a class,
and then finding and skimming the javadoc for [ReadWrite]LockManager, and
particularly 'getLock' and 'createLock', that lock singletons would be
automatically created and managed. Otherwise the developer must write a
lot of boilerplate code for keeping a singleton map of locks. Surely only
the 'resourceId' must be the same, and not the actual ReadWriteLock
reference?
LockManager: Encapsulates creation, removal, and retrieval of locks.
Each resource can have at most a single lock.
Aaron
Oliver Zeigermann wrote:
Ooops, sorry, you are right. Not only the resource Id, but the lock
*itself* must be the same in both threads.
Doing it this way:
final ReadWriteLock fileLock = new
ReadWriteLock(Huhu, loggerFacade);
Runnable run = new Runnable() {
public void run() {
try {
System.out.println(before
acquiring a lock
+
Thread.currentThread());
boolean result =
fileLock.acquireWrite(Thread
.currentThread(), Long.MAX_VALUE);
System.out.println(lock
result: + result +
+
Thread.currentThread());
Thread.sleep(2);
System.out.println(after
sleeping
+
Thread.currentThread());
} catch (InterruptedException e) {
e.printStackTrace(System.err);
} finally {
fileLock.release(Thread.currentThread());
}
}
};
Thread t1 = new Thread(run, Thread1);
Thread t2 = new Thread(run, Thread2);
t1.start();
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
}
t2.start();
works fine for me.
HTH
Oliver
On 7/6/05, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
Oliver,
I tried your suggestion by changing my ReadWriteLock statement to
ReadWriteLock fileLock = new
ReadWriteLock(c:/logRec.txt,loggerFacade);
However, I received the same results as when I used new File(..).
LeRoy
Oliver Zeigermann
oliver.zeigerman
[EMAIL PROTECTED]
To
Jakarta Commons Users List
07/06/2005 01:44
[FileUpload] It's works under Firefox but not on IE, why ?
Hello Everybody,
During 2 days, I was testing FileUpload on IE and it never work. After that, I
tried on Firefox and it's works perfectly.
Can you tell me why and how to resolve this problem ?
It's a really pain in an ... :)
Thank you.
Maxime
Here the form :
HTML
HEAD
/HEAD
BODY BGCOLOR=#FDF5E6
h1Upload de Fichier/h1
form name=upload method=post action=/UploadFileServlet
enctype=multipart/form-data
Upload File:input type=file name=source size=30
input type=submit name=submitFile value=Upload title=Upload
/form
/BODY
/HTML
Here the Servlet :
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import org.apache.commons.fileupload.*;
import org.apache.commons.fileupload.*;
public class UploadFileServlet extends HttpServlet {
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
System.out.println (Uploading-Servlet);
try{
// Create a new file upload handler
DiskFileUpload upload = new DiskFileUpload();
// Set upload parameters
int yourMaxMemorySize = 512 * 1024 * 8;
int yourMaxRequestSize = 1024 * 1024 * 8;
String yourTempDirectory = c:\\;
upload.setSizeThreshold(yourMaxMemorySize);
upload.setSizeMax(yourMaxRequestSize);
upload.setRepositoryPath(yourTempDirectory);
//Parse the request
List items = upload.parseRequest(request);
// Process the uploaded items
Iterator iter = items.iterator();
while (iter.hasNext()) {
FileItem item = (FileItem) iter.next();
// Process a regular form field
if (item.isFormField()) {
String name = item.getFieldName();
String value = item.getString();
}
// Process a file upload
else {
String fieldName = item.getFieldName();
String fileName = item.getName();
String contentType = item.getContentType();
boolean isInMemory = item.isInMemory();
File uploadedFile = new File(yourTempDirectory +
fileName);
item.write(uploadedFile);
}
}
} catch (ServletException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (FileUploadException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
}
}
Re: JELLY: Escaping output of JEXL expression
Hi Dion, thank you very much for this hint. It didn´t solve my problem directly but pointed me into the right direction. Just for reference what the problem was: Situation is, that i use jelly embedded in Java. I create an XMLOutput Stream and run the script with it. I searched through the WhitespaceTag Example and the TagSupport and everywhere were methods taking XMLOutput instances. There were also references to escapeText on the TagSupport.java file but that wasn´t helpful. After a few minutes i realized that i am the dude who is creating the output stream on top of the call stack. I switched to the file, put in a true into the constructor and see, it works. Sometimes i really think i sleep when i code. :) Thank you again for the help. That saved me hours and nerves. Christian Dion Gillard wrote: The tags all have an escapeText attribute that tells Jelly whether or not to escape XML. See http://jakarta.apache.org/commons/jelly/tags.html#core:whitespace for an example. On 7/6/05, Christian Kalkhoff [EMAIL PROTECTED] wrote: Hi, i ran into the problem, that jelly outputs invalid xml if one of the beans available as context variables contains e.g. an char. Is there a way to tell jelly (or jexl) to escape such xml special chars. Are there workarounds? Regards, Christian - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: [jelly] Schema validation problems
Dion,
First, thanks for your reply.
Now, I will introduce myself -- well, I am a retard!
Really, I am playing with this Jelly stuff for about ten-twenty hours.
Anyway, your clues are great!
Have a nice day,
Adrian.
Dion Gillard wrote:
On 7/7/05, Adrian Herscu [EMAIL PROTECTED] wrote:
Hi all,
I am trying to build a Maven plugin for validating XML. Currently I have
this code:
!-- assume ${schema.type.uri} is http://www.w3.org/2001/XMLSchema --
core:set
var=verifierFactory
value=
${org.iso_relax.verifier.VerifierFactory.newInstance(schema.type.uri)} /
I'm reasonably sure the above variable will be null.
!-- assume everything in ${file.set} is an XML file --
ant:fileScanner var=fileSet
ant:fileset dir=${file.set} /
/ant:fileScanner
validate:verifier
var=verifier
factory=${verifierFactory}
uri=schema.uri /
!-- THIS DOES NOT WORK -- RETURNS AN EMPTY STRING --
echoValidating using ${verifierFactory.getClass().toString()}/echo
core:forEach items=${fileSet.iterator()} var=file
echoValidating ${file}/echo
validate:validate var=validationResult verifier=${verifier}
core:include uri=file:///${file} /
/validate:validate
echoValidation result: ${validationResult}/echo
/core:forEach
There are several problems with this code:
1. If the schema file pointed by ${schema.uri} references other schema
file by using a relative URL, then that URL is resolved relatively to
the location from where the validation process was started (the path
from where Maven was launched), instead of being resolved relatively to
the first schema file location (this is what XML schema validators do --
checked with MSXML3.0 and with Xerces).
Is that because you are validating the body of the validate tag?
2. If the schema instance (i.e. the validated file) contains an
xsi:schemaLocation attribute in its root element then this error is
thrown:
error column=-1 line=-1unexpected attribute
xsi:schemaLocation/error
and the ${validationResult} is set to 'false'.
Is this an issue with the validator or the validate tag?
3. If the validation failed once (like in #3), then errors are not
thrown anymore, only the ${validationResult} is set to 'false'.
I'm not too familiar with the validate tag lib, but maybe you need a
new error handler??
4. If core:include uri=... / references a local file path then that
file path must be prepended with file:///, otherwise it is prepended
at run-time with the process launch path. For example:
- local file path: E:\myxmldir\foo.xml
- process launch path: E:\myworkdir
then Jelly will seek for something impossible:
E:\myworkdir\E:\myxmldir\foo.xml
Thanks a lot for your time,
Adrian.
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Re: [FileUpload] It's works under Firefox but not on IE, why ?
Well,
I am working under Windows XP SP 2 for the test of servlet and JSP. After
that , I move all the work on a server Debian station.
Strangely, I have no error message (I searched on TomCat logs, I have found
nothing). Error logs can be elsewhere ?
I am using Netbeans 4.1 and Java 1.5.0.0_4
Thank you.
Maxime
perhaps you can describe your problem a little bit more, for example: do
you getting an error message, stack trace or something. on what platforms
are you working windows, linux, ...
-Ursprüngliche Nachricht-
Von: Maxime [mailto:[EMAIL PROTECTED]
Gesendet: Donnerstag, 7. Juli 2005 10:19
An: commons-user@jakarta.apache.org
Betreff: [FileUpload] It's works under Firefox but not on IE, why ?
Hello Everybody,
During 2 days, I was testing FileUpload on IE and it never
work. After that, I tried on Firefox and it's works perfectly.
Can you tell me why and how to resolve this problem ?
It's a really pain in an ... :)
Thank you.
Maxime
Here the form :
HTML
HEAD
/HEAD
BODY BGCOLOR=#FDF5E6
h1Upload de Fichier/h1
form name=upload method=post action=/UploadFileServlet
enctype=multipart/form-data
Upload File:input type=file name=source size=30
input type=submit name=submitFile value=Upload title=Upload
/form
/BODY
/HTML
Here the Servlet :
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import org.apache.commons.fileupload.*;
import org.apache.commons.fileupload.*;
public class UploadFileServlet extends HttpServlet {
public void doPost(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
System.out.println (Uploading-Servlet);
try{
// Create a new file upload handler
DiskFileUpload upload = new DiskFileUpload();
// Set upload parameters
int yourMaxMemorySize = 512 * 1024 * 8;
int yourMaxRequestSize = 1024 * 1024 * 8;
String yourTempDirectory = c:\\;
upload.setSizeThreshold(yourMaxMemorySize);
upload.setSizeMax(yourMaxRequestSize);
upload.setRepositoryPath(yourTempDirectory);
//Parse the request
List items = upload.parseRequest(request);
// Process the uploaded items
Iterator iter = items.iterator();
while (iter.hasNext()) {
FileItem item = (FileItem) iter.next();
// Process a regular form field
if (item.isFormField()) {
String name = item.getFieldName();
String value = item.getString();
}
// Process a file upload
else {
String fieldName = item.getFieldName();
String fileName = item.getName();
String contentType = item.getContentType();
boolean isInMemory = item.isInMemory();
File uploadedFile = new
File(yourTempDirectory + fileName);
item.write(uploadedFile);
}
}
} catch (ServletException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (FileUploadException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
}
}
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AW: [FileUpload] It's works under Firefox but not on IE, why ?
if you have not specified an extra logger for the web app the output should go
to catalina.out. e.printStackTrace() puts everything on the error output stream
which also goes to catalina.out.
FileItem.getName() will return different paths for ie and firefox. firefox only
returns the name and ie the whole path (hmmm. or the other way round). there
was a discussion some weeks ago about this topic.
and you'll run into a little problem (which is resolvable) when you move to
debian. cause the file separator are different and when you get a the absolute
file name from the ie for the uploaded file, you have to figure out on your own
what belongs to the filename and what to the path because of the different file
separator. there was also a discussion of this topic some weeks ago. just have
a look at the archives about that.
i would try and check for item.getName() and take a look at it via
System.err.println(item.getName());
-Ursprüngliche Nachricht-
Von: Maxime [mailto:[EMAIL PROTECTED]
Gesendet: Donnerstag, 7. Juli 2005 11:20
An: Jakarta Commons Users List
Betreff: Re: [FileUpload] It's works under Firefox but not on
IE, why ?
Well,
I am working under Windows XP SP 2 for the test of servlet
and JSP. After
that , I move all the work on a server Debian station.
Strangely, I have no error message (I searched on TomCat
logs, I have found
nothing). Error logs can be elsewhere ?
I am using Netbeans 4.1 and Java 1.5.0.0_4
Thank you.
Maxime
perhaps you can describe your problem a little bit more, for
example: do
you getting an error message, stack trace or something. on
what platforms
are you working windows, linux, ...
-Ursprüngliche Nachricht-
Von: Maxime [mailto:[EMAIL PROTECTED]
Gesendet: Donnerstag, 7. Juli 2005 10:19
An: commons-user@jakarta.apache.org
Betreff: [FileUpload] It's works under Firefox but not on IE, why ?
Hello Everybody,
During 2 days, I was testing FileUpload on IE and it never
work. After that, I tried on Firefox and it's works perfectly.
Can you tell me why and how to resolve this problem ?
It's a really pain in an ... :)
Thank you.
Maxime
Here the form :
HTML
HEAD
/HEAD
BODY BGCOLOR=#FDF5E6
h1Upload de Fichier/h1
form name=upload method=post action=/UploadFileServlet
enctype=multipart/form-data
Upload File:input type=file name=source size=30
input type=submit name=submitFile value=Upload
title=Upload
/form
/BODY
/HTML
Here the Servlet :
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import org.apache.commons.fileupload.*;
import org.apache.commons.fileupload.*;
public class UploadFileServlet extends HttpServlet {
public void doPost(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
System.out.println (Uploading-Servlet);
try{
// Create a new file upload handler
DiskFileUpload upload = new DiskFileUpload();
// Set upload parameters
int yourMaxMemorySize = 512 * 1024 * 8;
int yourMaxRequestSize = 1024 * 1024 * 8;
String yourTempDirectory = c:\\;
upload.setSizeThreshold(yourMaxMemorySize);
upload.setSizeMax(yourMaxRequestSize);
upload.setRepositoryPath(yourTempDirectory);
//Parse the request
List items = upload.parseRequest(request);
// Process the uploaded items
Iterator iter = items.iterator();
while (iter.hasNext()) {
FileItem item = (FileItem) iter.next();
// Process a regular form field
if (item.isFormField()) {
String name = item.getFieldName();
String value = item.getString();
}
// Process a file upload
else {
String fieldName = item.getFieldName();
String fileName = item.getName();
String contentType = item.getContentType();
boolean isInMemory = item.isInMemory();
File uploadedFile = new
File(yourTempDirectory + fileName);
item.write(uploadedFile);
}
}
} catch (ServletException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (FileUploadException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
}
}
}
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Re: [DBUtils] QueryRunner.fillStatement is not static
Hmm... I see.
And what about this:
--
protected void fillStatement(PreparedStatement stmt, Object[] params)
throws SQLException {
defaultFillStatement(stmt, params);
}
public static void defaultFillStatement(PreparedStatement stmt, Object[]
params)
throws SQLException {
if (params == null) {
return;
}
for (int i = 0; i params.length; i++) {
if (params[i] != null) {
stmt.setObject(i + 1, params[i]);
} else {
stmt.setNull(i + 1, Types.OTHER);
}
}
}
--
Doing so still allows the method to be subclassed and does not force me to
create an instance to use this functionality.
Cheers,
Elifarley
On Wed, 06 Jul 2005 17:36:35 -0700, David Graham wrote:
Referencing instance state is not a worthy criteria for making a method
static. Changing fillStatement() to static would break the many
subclasses that override this method to provide customized behavior.
Static methods cannot be overridden.
David
--- Elifarley [EMAIL PROTECTED] wrote:
The method 'QueryRunner.fillStatement' is not static even though no
instance state is referenced. Could it be officially changed into a
static
method ?
(I need to use this functionality but I don't want to instantiate this
class just to use this method).
Regards,
Elifarley
Get Firefox!
http://www.mozilla.org/firefox/
Sell on Yahoo!
Auctions no fees. Bid on great items. http://auctions.yahoo.com/
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Re: [FileUpload] It's works under Firefox but not on IE, why ?
Hello Mihael,
Thank you veru much for your answer and the advice about Debian.
Now I did some checking like : out.println(fileName);
and it's returning all the path of the file under IE.
out.println(fileName);
IE : D:\DOCUMENTS\photo.jpg
FireFox : photo.jpg
It's look like the problem is coming from here because for writing a file I
use that :
String fileName = item.getName();
File uploadedFile = new File(yourTempDirectory + fileName);
item.write(uploadedFile);
Well well, I wonder how I have to do in order to have the same result as
FireFox.
Any idea ?
Thank you very much anyway.
Maxime
- Original Message -
From: Knezevic, Mihael [EMAIL PROTECTED]
To: Jakarta Commons Users List commons-user@jakarta.apache.org
Sent: Thursday, July 07, 2005 11:36 AM
Subject: AW: [FileUpload] It's works under Firefox but not on IE, why ?
if you have not specified an extra logger for the web app the output should
go to catalina.out. e.printStackTrace() puts everything on the error output
stream which also goes to catalina.out.
FileItem.getName() will return different paths for ie and firefox. firefox
only returns the name and ie the whole path (hmmm. or the other way round).
there was a discussion some weeks ago about this topic.
and you'll run into a little problem (which is resolvable) when you move to
debian. cause the file separator are different and when you get a the
absolute file name from the ie for the uploaded file, you have to figure out
on your own what belongs to the filename and what to the path because of the
different file separator. there was also a discussion of this topic some
weeks ago. just have a look at the archives about that.
i would try and check for item.getName() and take a look at it via
System.err.println(item.getName());
-Ursprüngliche Nachricht-
Von: Maxime [mailto:[EMAIL PROTECTED]
Gesendet: Donnerstag, 7. Juli 2005 11:20
An: Jakarta Commons Users List
Betreff: Re: [FileUpload] It's works under Firefox but not on
IE, why ?
Well,
I am working under Windows XP SP 2 for the test of servlet
and JSP. After
that , I move all the work on a server Debian station.
Strangely, I have no error message (I searched on TomCat
logs, I have found
nothing). Error logs can be elsewhere ?
I am using Netbeans 4.1 and Java 1.5.0.0_4
Thank you.
Maxime
perhaps you can describe your problem a little bit more, for
example: do
you getting an error message, stack trace or something. on
what platforms
are you working windows, linux, ...
-Ursprüngliche Nachricht-
Von: Maxime [mailto:[EMAIL PROTECTED]
Gesendet: Donnerstag, 7. Juli 2005 10:19
An: commons-user@jakarta.apache.org
Betreff: [FileUpload] It's works under Firefox but not on IE, why ?
Hello Everybody,
During 2 days, I was testing FileUpload on IE and it never
work. After that, I tried on Firefox and it's works perfectly.
Can you tell me why and how to resolve this problem ?
It's a really pain in an ... :)
Thank you.
Maxime
Here the form :
HTML
HEAD
/HEAD
BODY BGCOLOR=#FDF5E6
h1Upload de Fichier/h1
form name=upload method=post action=/UploadFileServlet
enctype=multipart/form-data
Upload File:input type=file name=source size=30
input type=submit name=submitFile value=Upload
title=Upload
/form
/BODY
/HTML
Here the Servlet :
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import org.apache.commons.fileupload.*;
import org.apache.commons.fileupload.*;
public class UploadFileServlet extends HttpServlet {
public void doPost(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
System.out.println (Uploading-Servlet);
try{
// Create a new file upload handler
DiskFileUpload upload = new DiskFileUpload();
// Set upload parameters
int yourMaxMemorySize = 512 * 1024 * 8;
int yourMaxRequestSize = 1024 * 1024 * 8;
String yourTempDirectory = c:\\;
upload.setSizeThreshold(yourMaxMemorySize);
upload.setSizeMax(yourMaxRequestSize);
upload.setRepositoryPath(yourTempDirectory);
//Parse the request
List items = upload.parseRequest(request);
// Process the uploaded items
Iterator iter = items.iterator();
while (iter.hasNext()) {
FileItem item = (FileItem) iter.next();
// Process a regular form field
if (item.isFormField()) {
String name = item.getFieldName();
String value = item.getString();
}
// Process a file upload
else {
String fieldName = item.getFieldName();
String fileName = item.getName();
Re: [jira] Commented: (JELLY-213) Generating xml nodes with attributes in diferente namespaces (for schemas..)
Diogo, Le 7 juil. 05, à 11:09, Diogo Bacelar Quintela (JIRA) a écrit : I'll investigate what you said. Btw, I am adding a tag to jelly-xml tags that i'll add as a patch later... A tag to suppport namespace subtitution, i'll explain it's needs then.. That might be then better together. I tried looking around, maybe not long enough, but did not find a way to find registered namespaces so that the namespace URI would be pulled from the environment... but I forgot to look at XPath-based tags yet... paul PS: I am unclear how much the need for start end endPrefixMapping are fundamental... it may be not needed since we're not talking as a parser... - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Transaction API, ReadWriteLock - RESOLVED
Oliver,
Thanks for your help on this issue.
LeRoy
Oliver Zeigermann
oliver.zeigerman
[EMAIL PROTECTED]
To
Jakarta Commons Users List
07/07/2005 02:47 commons-user@jakarta.apache.org
AM cc
Subject
Please respond to Re: Transaction API, ReadWriteLock
Jakarta Commons
Users List
[EMAIL PROTECTED]
arta.apache.org
Yes, all participating threads would need to access the same
transaction manager.
Oliver
On 7/6/05, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
Switching to use a manager to manage lock references eliminates the need
to
mange lock references, but doesn't this just push this reference problem
to
the manager object?
If classes foo1 and foo2 needed to write to the same file, they would
need
to reference the same manager object to be aware of the lock that was
created by the other class. If so, then the creation of the manager
object
would need to be placed in Singleton object so both classes could obtain
the same reference to the manager object. Correct?
LeRoy
Oliver Zeigermann
oliver.zeigerman
[EMAIL PROTECTED]
To
Jakarta Commons Users List
07/06/2005 09:47 commons-user@jakarta.apache.org
AM
cc
Subject
Please respond to Re: Transaction API, ReadWriteLock
Jakarta Commons
Users List
[EMAIL PROTECTED]
arta.apache.org
Exactly. In most cases I would recommend to use a manager.
Oliver
On 7/6/05, Aaron Hamid [EMAIL PROTECTED] wrote:
I see, so if I do not wish to manage the lock references myself, I (and
LeRoy also) should always obtain locks through a LockManager.
Aaron
Oliver Zeigermann wrote:
By the way, when giving me first advice I stumbled over exactly this
difference between the lock manager and the lock itself...
Oliver
On 7/6/05, Oliver Zeigermann [EMAIL PROTECTED] wrote:
You are right, but only for the lock manager. The lock manager takes
care of uniquely mapping a resource id to a lock, but when you work
on
a lock *directly* it must - of course - be the same object.
Oliver
On 7/6/05, Aaron Hamid [EMAIL PROTECTED] wrote:
Is this true? It was my impression, have first written such a
class,
and then finding and skimming the javadoc for [ReadWrite]LockManager, and
particularly 'getLock' and 'createLock', that lock singletons would be
automatically created and managed. Otherwise the developer must write a
lot of boilerplate code for keeping a singleton map of locks. Surely
only
the 'resourceId' must be the same, and not the actual ReadWriteLock
reference?
LockManager: Encapsulates creation, removal, and retrieval of
locks.
Each resource can have at most a single lock.
Aaron
Oliver Zeigermann wrote:
Ooops, sorry, you are right. Not only the resource Id, but the lock
*itself* must be the same in both threads.
Doing it this way:
final ReadWriteLock fileLock = new
ReadWriteLock(Huhu, loggerFacade);
Runnable run = new Runnable() {
public void run() {
try {
System.out.println(before
acquiring a lock
+
Thread.currentThread());
boolean result =
fileLock.acquireWrite(Thread
.currentThread(), Long.MAX_VALUE);
System.out.println(lock
result: + result +
+
Thread.currentThread());
Thread.sleep(2);
System.out.println(after
sleeping
+
Thread.currentThread());
} catch (InterruptedException e) {
e.printStackTrace(System.err);
Re: [FileUpload] It's works under Firefox but not on IE, why ?
Greetings
This should help you get started:
if(item.getFieldName().equals(uploadPDF)) {
int i = item.getName().lastIndexOf('\\');
uploadPDF =
servletUtilities.filter(item.getName().substring(i+1));
File savedFile = new File(serverFolder,
servletUtilities.filter(item.getName().substring(i+1)) );
item.write(savedFile);
Maxime wrote:
Hello Mihael,
Thank you veru much for your answer and the advice about Debian.
Now I did some checking like : out.println(fileName);
and it's returning all the path of the file under IE.
out.println(fileName);
IE : D:\DOCUMENTS\photo.jpg
FireFox : photo.jpg
It's look like the problem is coming from here because for writing a
file I use that :
String fileName = item.getName();
File uploadedFile = new File(yourTempDirectory + fileName);
item.write(uploadedFile);
Well well, I wonder how I have to do in order to have the same result
as FireFox.
Any idea ?
Thank you very much anyway.
Maxime
- Original Message - From: Knezevic, Mihael
[EMAIL PROTECTED]
To: Jakarta Commons Users List commons-user@jakarta.apache.org
Sent: Thursday, July 07, 2005 11:36 AM
Subject: AW: [FileUpload] It's works under Firefox but not on IE, why ?
if you have not specified an extra logger for the web app the output
should go to catalina.out. e.printStackTrace() puts everything on the
error output stream which also goes to catalina.out.
FileItem.getName() will return different paths for ie and firefox.
firefox only returns the name and ie the whole path (hmmm. or the
other way round). there was a discussion some weeks ago about this topic.
and you'll run into a little problem (which is resolvable) when you
move to debian. cause the file separator are different and when you
get a the absolute file name from the ie for the uploaded file, you
have to figure out on your own what belongs to the filename and what
to the path because of the different file separator. there was also a
discussion of this topic some weeks ago. just have a look at the
archives about that.
i would try and check for item.getName() and take a look at it via
System.err.println(item.getName());
-Ursprüngliche Nachricht-
Von: Maxime [mailto:[EMAIL PROTECTED]
Gesendet: Donnerstag, 7. Juli 2005 11:20
An: Jakarta Commons Users List
Betreff: Re: [FileUpload] It's works under Firefox but not on
IE, why ?
Well,
I am working under Windows XP SP 2 for the test of servlet
and JSP. After
that , I move all the work on a server Debian station.
Strangely, I have no error message (I searched on TomCat
logs, I have found
nothing). Error logs can be elsewhere ?
I am using Netbeans 4.1 and Java 1.5.0.0_4
Thank you.
Maxime
perhaps you can describe your problem a little bit more, for
example: do
you getting an error message, stack trace or something. on
what platforms
are you working windows, linux, ...
-Ursprüngliche Nachricht-
Von: Maxime [mailto:[EMAIL PROTECTED]
Gesendet: Donnerstag, 7. Juli 2005 10:19
An: commons-user@jakarta.apache.org
Betreff: [FileUpload] It's works under Firefox but not on IE, why ?
Hello Everybody,
During 2 days, I was testing FileUpload on IE and it never
work. After that, I tried on Firefox and it's works perfectly.
Can you tell me why and how to resolve this problem ?
It's a really pain in an ... :)
Thank you.
Maxime
Here the form :
HTML
HEAD
/HEAD
BODY BGCOLOR=#FDF5E6
h1Upload de Fichier/h1
form name=upload method=post action=/UploadFileServlet
enctype=multipart/form-data
Upload File:input type=file name=source size=30
input type=submit name=submitFile value=Upload
title=Upload
/form
/BODY
/HTML
Here the Servlet :
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import org.apache.commons.fileupload.*;
import org.apache.commons.fileupload.*;
public class UploadFileServlet extends HttpServlet {
public void doPost(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
System.out.println (Uploading-Servlet);
try{
// Create a new file upload handler
DiskFileUpload upload = new DiskFileUpload();
// Set upload parameters
int yourMaxMemorySize = 512 * 1024 * 8;
int yourMaxRequestSize = 1024 * 1024 * 8;
String yourTempDirectory = c:\\;
upload.setSizeThreshold(yourMaxMemorySize);
upload.setSizeMax(yourMaxRequestSize);
upload.setRepositoryPath(yourTempDirectory);
//Parse the request
List items = upload.parseRequest(request);
// Process the uploaded items
Iterator iter = items.iterator();
while (iter.hasNext()) {
FileItem item = (FileItem) iter.next();
// Process a
Re: [collections] Name that data structure
From: Tim O'Brien [EMAIL PROTECTED] Or you could do something that takes more work, but I think it more fun: A belated thank you for the suggestions... I haven't gotten back around to working on this requirement yet, but I'm sure one or more of the things in this thread will help tremendously. -- Wendy Smoak - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
[DBUtils] Oracle Row Processor
Hi everyone Is there a free implementation of an Oracle Row processor ? Where can i find it ? Regards - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: [DBUtils] QueryRunner.fillStatement is not static
The problem is with the setNull() handling. In the latest code we're
using Types.VARCHAR because OTHER did not work for all drivers. In fact,
the primary reason the method is protected is so you can override the null
behavior if it doesn't work for your driver.
We could add a DbUtils.fillStatement() static method. Of course, this
wouldn't work for everyone and wouldn't be customizable because it's
static. If you really want this method please open a Bugzilla enhancement
ticket and attach a cvs diff -u formatted patch.
http://issues.apache.org/bugzilla/
Thanks,
David
--- Elifarley [EMAIL PROTECTED] wrote:
Hmm... I see.
And what about this:
--
protected void fillStatement(PreparedStatement stmt, Object[] params)
throws SQLException {
defaultFillStatement(stmt, params);
}
public static void defaultFillStatement(PreparedStatement stmt,
Object[] params)
throws SQLException {
if (params == null) {
return;
}
for (int i = 0; i params.length; i++) {
if (params[i] != null) {
stmt.setObject(i + 1, params[i]);
} else {
stmt.setNull(i + 1, Types.OTHER);
}
}
}
--
Doing so still allows the method to be subclassed and does not force me
to
create an instance to use this functionality.
Cheers,
Elifarley
On Wed, 06 Jul 2005 17:36:35 -0700, David Graham wrote:
Referencing instance state is not a worthy criteria for making a
method
static. Changing fillStatement() to static would break the many
subclasses that override this method to provide customized behavior.
Static methods cannot be overridden.
David
--- Elifarley [EMAIL PROTECTED] wrote:
The method 'QueryRunner.fillStatement' is not static even though no
instance state is referenced. Could it be officially changed into a
static
method ?
(I need to use this functionality but I don't want to instantiate
this
class just to use this method).
Regards,
Elifarley
Get Firefox!
http://www.mozilla.org/firefox/
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Re: [DBUtils] Oracle Row Processor
I'm not quite sure what you mean. Can you be more specific about why the current implementation doesn't work for Oracle? Thanks, David --- Henry Voyer [EMAIL PROTECTED] wrote: Hi everyone Is there a free implementation of an Oracle Row processor ? Where can i find it ? Regards Get Firefox! http://www.mozilla.org/firefox/ Sell on Yahoo! Auctions no fees. Bid on great items. http://auctions.yahoo.com/ - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: [DBUtils] Oracle Row Processor
Hi I just created my oracle row processor. The current implementation of BasicRowProcessor has a method that checks if the field is valid : private boolean isCompatibleType(Object value, Class type) This method ignore dates and most important specific JDBC values. Oracle timestamp is transformed in the jdbc process into a oracle.sql.DATE object that needs to be transformed into a java.util.date . So in order to use dates in oracle we need to add the transformation process in the row processor. Regards -Original Message- From: David Graham [mailto:[EMAIL PROTECTED] Sent: Thursday, July 07, 2005 12:37 PM To: Jakarta Commons Users List; [EMAIL PROTECTED] Subject: Re: [DBUtils] Oracle Row Processor I'm not quite sure what you mean. Can you be more specific about why the current implementation doesn't work for Oracle? Thanks, David --- Henry Voyer [EMAIL PROTECTED] wrote: Hi everyone Is there a free implementation of an Oracle Row processor ? Where can i find it ? Regards Get Firefox! http://www.mozilla.org/firefox/ Sell on Yahoo! Auctions no fees. Bid on great items. http://auctions.yahoo.com/ - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: JVM Crash calling Configuration on 64-Bit Server VM (1.5.0_04-b05) for solaris-amd64
Strange, especially that it happens only sometimes. I would be
interested in Sun's answer.
But I would guess that this is more likely a problem with the JVM.
Normal Java code (that does not directly call native code) should not be
able to crash the JVM.
Oliver
William Evans wrote:
Oliver,
The JVM crash happens before any message is printed out, probably during
class loading/compilation. However, it doesn't always happen - probably
50% of the time.
I could, I suppose iterate through all the classes in the Configuration
jars and load them manually until I hit the problem. What do you think?
Yesterday, I opened up a case with Sun Support (we have paid support),
so I am hoping that they'll pursue as well.
Incidentally, I have had similar problems running the 64bit JVM on
Fedora. I only posted here because I managed to recreate with very
simple code.
Thanks for your interest.
Regards
Bill
-Original Message-
From: Oliver Heger [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July 06, 2005 10:51 PM
To: Jakarta Commons Users List
Subject: Re: JVM Crash calling Configuration on 64-Bit Server VM
(1.5.0_04-b05) for solaris-amd64
William Evans wrote:
I have an application that uses Commons Configuration.
It runs on an AMD64 SunFire (dual processor) box under Solaris 10.
When I run with the JVM in 32 bit it runs fine but as soon as I try it
in 64 bit mode it takes a JVM crash.
I isolated the problem to calls into the Configuration package and
wrote
a test class that does only the following:
try {
Configuration config = new
PropertiesConfiguration(args[0]);
System.out.println(Properties:);
for (Iterator iter = config.getKeys();
iter.hasNext();)
{
String key = (String) iter.next();
System.out.println(\n + key + = +
config.getString(key));
}
}
catch (Exception e) {
System.out.println(Error reading file + args[0] +
\n + e.toString());
}
Almost every time I run it crashes the JVM but only when running in 64
bit mode.
Has anyone else seen this?
Bill
I haven't seen this before. What makes me wonder is that
PropertiesConfiguration by inheriting from BaseConfiguration is (at
least for the methods you use in your test) only a thin wrapper for a
map object (in fact it's a
org.apache.commons.collections.map.LinkedMap).
Any chance that you can find out the concrete line where the crash
happens (maybe by adding further trace statements and flushing the
output stream after each write)?
Oliver
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RE: JVM Crash calling Configuration on 64-Bit Server VM (1.5.0_04-b05) for solaris-amd64
I'll let you know Sun's response.
-Original Message-
From: Oliver Heger [mailto:[EMAIL PROTECTED]
Sent: Thursday, July 07, 2005 10:42 AM
To: Jakarta Commons Users List
Subject: Re: JVM Crash calling Configuration on 64-Bit Server VM
(1.5.0_04-b05) for solaris-amd64
Strange, especially that it happens only sometimes. I would be
interested in Sun's answer.
But I would guess that this is more likely a problem with the JVM.
Normal Java code (that does not directly call native code) should not be
able to crash the JVM.
Oliver
William Evans wrote:
Oliver,
The JVM crash happens before any message is printed out, probably
during
class loading/compilation. However, it doesn't always happen - probably
50% of the time.
I could, I suppose iterate through all the classes in the Configuration
jars and load them manually until I hit the problem. What do you think?
Yesterday, I opened up a case with Sun Support (we have paid support),
so I am hoping that they'll pursue as well.
Incidentally, I have had similar problems running the 64bit JVM on
Fedora. I only posted here because I managed to recreate with very
simple code.
Thanks for your interest.
Regards
Bill
-Original Message-
From: Oliver Heger [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July 06, 2005 10:51 PM
To: Jakarta Commons Users List
Subject: Re: JVM Crash calling Configuration on 64-Bit Server VM
(1.5.0_04-b05) for solaris-amd64
William Evans wrote:
I have an application that uses Commons Configuration.
It runs on an AMD64 SunFire (dual processor) box under Solaris 10.
When I run with the JVM in 32 bit it runs fine but as soon as I try it
in 64 bit mode it takes a JVM crash.
I isolated the problem to calls into the Configuration package and
wrote
a test class that does only the following:
try {
Configuration config = new
PropertiesConfiguration(args[0]);
System.out.println(Properties:);
for (Iterator iter = config.getKeys();
iter.hasNext();)
{
String key = (String) iter.next();
System.out.println(\n + key + = +
config.getString(key));
}
}
catch (Exception e) {
System.out.println(Error reading file + args[0] +
\n + e.toString());
}
Almost every time I run it crashes the JVM but only when running in 64
bit mode.
Has anyone else seen this?
Bill
I haven't seen this before. What makes me wonder is that
PropertiesConfiguration by inheriting from BaseConfiguration is (at
least for the methods you use in your test) only a thin wrapper for a
map object (in fact it's a
org.apache.commons.collections.map.LinkedMap).
Any chance that you can find out the concrete line where the crash
happens (maybe by adding further trace statements and flushing the
output stream after each write)?
Oliver
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RE: [DBUtils] Oracle Row Processor
--- Henry Voyer [EMAIL PROTECTED] wrote: Hi I just created my oracle row processor. The current implementation of BasicRowProcessor has a method that checks if the field is valid : private boolean isCompatibleType(Object value, Class type) This method ignore dates and most important specific JDBC values. That's not true. The first thing that method checks is if the object is an instance of the setter method's parameter type. This will handle all Objects. The rest of the method is only needed for primitive values. Oracle timestamp is transformed in the jdbc process into a oracle.sql.DATE object that needs to be transformed into a java.util.date . So in order to use dates in oracle we need to add the transformation process in the row processor. I think the method you're interested in is BeanProcessor.processColumn() http://jakarta.apache.org/commons/dbutils/xref/org/apache/commons/dbutils/BeanProcessor.html#378 Notice that if your bean property is a java.sql.Timestamp, ResultSet.getTimestamp() is called. Oracle will give you a proper Timestamp object rather than their horrible custom class. Download a nightly DbUtils build, change your bean property to Timestamp, and I think you'll find the default implementation works fine. David Regards -Original Message- From: David Graham [mailto:[EMAIL PROTECTED] Sent: Thursday, July 07, 2005 12:37 PM To: Jakarta Commons Users List; [EMAIL PROTECTED] Subject: Re: [DBUtils] Oracle Row Processor I'm not quite sure what you mean. Can you be more specific about why the current implementation doesn't work for Oracle? Thanks, David --- Henry Voyer [EMAIL PROTECTED] wrote: Hi everyone Is there a free implementation of an Oracle Row processor ? Where can i find it ? Regards Get Firefox! http://www.mozilla.org/firefox/ __ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
[betwixt] AddDefaultsRule bug in 0.7RC2
I think there may be a bug in the org.apache.commons.betwixt.digester.AddDefaultsRule class. I was testing the add-adders and add-properties flags on the addDefaults element in the .betwixt file. The flags didn't seem to work correctly, so I debugged into AddDefaultsRule and saw on line 69: addProperties = Boolean.valueOf(addAddersAttributeValue).booleanValue(); I changed this to: addAdders = Boolean.valueOf(addAddersAttributeValue).booleanValue(); and things worked as expected. thanks, glenn - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
[io] experience with phonetical encoders in other languages ?
Hi, I would like to know wether the phonetical encoders found in commons-io have been used by someone with different langauges than English. I'm pretty sure they fail for Chinese at least but I'd like to know if Soundex and Metaphone have a chance for, say, european languages... thanks paul - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: [DBUtils] Oracle Row Processor
Hi David
The version i have is the one that is available as 1.1
i have this in the callSetter method !!!
try {
// Don't call setter if the value object isn't the right type
if (this.isCompatibleType(value, params[0])) {
setter.invoke(target, new Object[] { value });
}
-Original Message-
From: David Graham [mailto:[EMAIL PROTECTED]
Sent: Thursday, July 07, 2005 3:49 PM
To: Jakarta Commons Users List; [EMAIL PROTECTED]
Subject: RE: [DBUtils] Oracle Row Processor
--- Henry Voyer [EMAIL PROTECTED] wrote:
Hi
I just created my oracle row processor.
The current implementation of BasicRowProcessor has a method
that checks if the field is valid :
private boolean isCompatibleType(Object value, Class type)
This method ignore dates and most important specific JDBC values.
That's not true. The first thing that method checks is if the object is
an instance of the setter method's parameter type. This will handle all
Objects. The rest of the method is only needed for primitive values.
Oracle timestamp is transformed in the jdbc process into a
oracle.sql.DATE
object that needs to be transformed into a java.util.date .
So in order to use dates in oracle we need to add the transformation
process
in the row processor.
I think the method you're interested in is BeanProcessor.processColumn()
http://jakarta.apache.org/commons/dbutils/xref/org/apache/commons/dbutils/Be
anProcessor.html#378
Notice that if your bean property is a java.sql.Timestamp,
ResultSet.getTimestamp() is called. Oracle will give you a proper
Timestamp object rather than their horrible custom class.
Download a nightly DbUtils build, change your bean property to Timestamp,
and I think you'll find the default implementation works fine.
David
Regards
-Original Message-
From: David Graham [mailto:[EMAIL PROTECTED]
Sent: Thursday, July 07, 2005 12:37 PM
To: Jakarta Commons Users List; [EMAIL PROTECTED]
Subject: Re: [DBUtils] Oracle Row Processor
I'm not quite sure what you mean. Can you be more specific about why
the
current implementation doesn't work for Oracle?
Thanks,
David
--- Henry Voyer [EMAIL PROTECTED] wrote:
Hi everyone
Is there a free implementation of an Oracle Row processor ?
Where can i find it ?
Regards
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RE: [DBUtils] Oracle Row Processor
Henry,
I had the same problem, but it got fixed downloading a nightly build. The one I
have is 1.1-dev and it works pretty well.
Regards,
Alfredo Ledezma Meléndez.
Gerencia de Sistemas CRM
Consultor Externo de Sistemas de Atención a Clientes
RadioMovil DIPSA, S. A. de C. V.
Ejército Nacional No. 488, Col. Anahuac, C.P. 11570
México D.F.
-Original Message-
From: Henry Voyer [mailto:[EMAIL PROTECTED]
Sent: Thursday, July 07, 2005 3:08 PM
To: 'David Graham'; 'Jakarta Commons Users List'
Subject: RE: [DBUtils] Oracle Row Processor
Hi David
The version i have is the one that is available as 1.1
i have this in the callSetter method !!!
try {
// Don't call setter if the value object isn't the right type
if (this.isCompatibleType(value, params[0])) {
setter.invoke(target, new Object[] { value });
}
-Original Message-
From: David Graham [mailto:[EMAIL PROTECTED]
Sent: Thursday, July 07, 2005 3:49 PM
To: Jakarta Commons Users List; [EMAIL PROTECTED]
Subject: RE: [DBUtils] Oracle Row Processor
--- Henry Voyer [EMAIL PROTECTED] wrote:
Hi
I just created my oracle row processor.
The current implementation of BasicRowProcessor has a method
that checks if the field is valid :
private boolean isCompatibleType(Object value, Class type)
This method ignore dates and most important specific JDBC values.
That's not true. The first thing that method checks is if the object is
an instance of the setter method's parameter type. This will handle all
Objects. The rest of the method is only needed for primitive values.
Oracle timestamp is transformed in the jdbc process into a
oracle.sql.DATE
object that needs to be transformed into a java.util.date .
So in order to use dates in oracle we need to add the transformation
process
in the row processor.
I think the method you're interested in is BeanProcessor.processColumn()
http://jakarta.apache.org/commons/dbutils/xref/org/apache/commons/dbutils/Be
anProcessor.html#378
Notice that if your bean property is a java.sql.Timestamp,
ResultSet.getTimestamp() is called. Oracle will give you a proper
Timestamp object rather than their horrible custom class.
Download a nightly DbUtils build, change your bean property to Timestamp,
and I think you'll find the default implementation works fine.
David
Regards
-Original Message-
From: David Graham [mailto:[EMAIL PROTECTED]
Sent: Thursday, July 07, 2005 12:37 PM
To: Jakarta Commons Users List; [EMAIL PROTECTED]
Subject: Re: [DBUtils] Oracle Row Processor
I'm not quite sure what you mean. Can you be more specific about why
the
current implementation doesn't work for Oracle?
Thanks,
David
--- Henry Voyer [EMAIL PROTECTED] wrote:
Hi everyone
Is there a free implementation of an Oracle Row processor ?
Where can i find it ?
Regards
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Re: [codec] experience with phonetical encoders in other languages ?
Resending to correct project - [codec] Paul Libbrecht wrote: Hi, I would like to know wether the phonetical encoders found in commons-io have been used by someone with different langauges than English. I'm pretty sure they fail for Chinese at least but I'd like to know if Soundex and Metaphone have a chance for, say, european languages... thanks - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
