You may want to have a look at parallel deployment (
http://tomcat.apache.org/tomcat-7.0-doc/config/context.html).
At the moment /Catalina/localhost/ is used as value in column app. It is the
root app.
Would a war ROOT##2.war use another value?
Are you using distributed sessions? If so, you'll have to override the
internal serialization mechanism and do it all manually in a way that
is going to be cross-version-compatible.
It's not impossible, but it does take some planning and forethought.
OK; thought so.
Thank you.
You may want to have a look at parallel deployment (
http://tomcat.apache.org/tomcat-7.0-doc/config/context.html).
At the moment /Catalina/localhost/ is used as value in column app. It
is the
root app.
Would a war ROOT##2.war use another value?
No.
OK, then this would not solve
Well, I think it solves your problem. Old session-ids will
get routed to
the old version of your webapp and thus will be deserialized
without a
problem. New sessions will be created in the new version.
Yes, but the session persistence will go into the same table rows - chrash
while
Hi,
when I deploy a new app version with incompatible serialization version of
same classes I get:
java.io.InvalidClassException:
org.hibernate.collection.internal.AbstractPersistentCollection; local class
incompatible: stream classdesc serialVersionUID = -8914173462748164853,
local class
Hi,
if I use StandardManager or PersistentManager I have a Manager MBean. Fine.
But if I use DynamoDBSessionManager which extends PersistentManagerBase (as
PersistentManager does) then there is no Mbean.
I cannot see in the code why this happens.
Create a mbeans-descriptor.xml file?
http://tomcat.apache.org/tomcat-7.0-doc/mbeans-descriptor-howto.html
Ah ok, thank you!
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Hm... no opinions?
-Original Message-
From: spr...@gmx.eu [mailto:spr...@gmx.eu]
Sent: Donnerstag, 5. Dezember 2013 20:08
To: 'Tomcat Users List'
Subject: org.apache.catalina.session.PersistentManager
Hi,
if I want to use
org.apache.catalina.session.PersistentManager but do
Hi,
if I want to use org.apache.catalina.session.PersistentManager but do not
want the async storage of session data is it sufficient to add a valve which
stores the session data after the request via manager.getStore().save(..)?
And how can I prevent that the session is stored again by the
Exactly where? The full path is needed here.
TOMCAT/webapps/myapp/WEB-INF/classes/org/apache/catalina/filters/CorsFilter.
class
Rather than mucking about with an old Tomcat version, just
throw away the 3rd-party repackaged crap and install the
current one from tomcat.apache.org; it will
Just wanna now why the class is not loadable as
org.apache.catalina.filters.CorsFilter but as
com.apache.catalina.filters.CorsFilter (different dir in
classes of course).
Because Tomcat prevents web applications from replacing
container classes.
Ah, so we do have special rules for
There aren't any. Without the details of how you configured
the filter,
where you put the class file and the stack trace of the exception we
can't help you.
Class is in WEB-INF/classes of the webapp.
SEVERE: Exception starting filter CorsFilter
java.lang.ClassNotFoundException:
Hi,
I 'm using the CorsFilter in Tomcat 7.0.47, all good.
Then tried it in 7.0.37 - no luck, only available since 7.0.41.
OK, I put the class into the war file and expected that it is loadable now.
But I get a ClassNotFound. Guessing some special classloader rules I remaned
the class to
I think I will fix the DynamoDB-Sessionmanager.
Also an option.
Already in process it seems ;)
https://github.com/aws/aws-dynamodb-session-tomcat/issues/3
I hope they will use the code from tomcat for managing the classloader
issues.
Well, just realized that this Manager is
Given some method of automatic discovery, other than
multicast, it sounds like you could still use Tomcat's
clustering support. So perhaps you could write your own
membership service?
Yes, I think with Jgroups + S3 ping this could be solved.
But since both ClusterManagers are based on
Hi,
is it possible to use the PersistentManager + JdbcStore to enable a 100%
failover/cluster solution for sessions?
As far as I can see not, because the session data is written async into the
database and only in a min. interval of 1 s.
Is this right?
Thank you
If you need
sessions replicated as changes occur then you'll want to look
at a different solution, like the built-in cluster support.
Unfortunately it does not work on AWS, no multicast.
I think I will fix the DynamoDB-Sessionmanager.
Thank you
Multicast is not a requirement, that just defines how Tomcat
nodes will locate each other. Since multicast is not
available for you, you could statically list your Tomcat
nodes in your configuration.
https://tomcat.apache.org/tomcat-7.0-doc/config/cluster-interc
Hi,
when I use the
com.amazonaws.services.dynamodb.sessionmanager.DynamoDBSessionManager I get
classloader issues when a session gets deserialized and my session contains
classes which are not available to the shared loader.
My question:
Is this a bug in
1.) Seeing as it's their code, have you asked Amazon? Not
sure if this is you, but seems like a similar issue.
https://github.com/aws/aws-dynamodb-session-tomcat/issues/1
Oh yes, same issue.
2.) Have you tried one of Tomcat's included persistent
session managers? Do you see the same
Their code (DynamoDBSessionStore.load(...)) uses ObjectInputStream
Tomcat code (e.g. o.a.catalina.session.FileStore.load(..)) uses
CustomObjectInputStream which knows how to deal with class loaders.
Yes.
It is their bug (or feature).
:)
Thank you!
documentation and can't find a lead.
--
With best wishes,
Michael
Michael B. Spring
Associate Professor
Information Science and Telecommunications
Voice: (412)-624-9429 Fax: (412)-624-2788
WWW: http://www.sis.pitt.edu/~spring
you every so much.
Teaches me to make sure I check all the possibilities
before I start pointing a finger in teh wrong direction. Love those
features!
With best wishes,
Michael
Michael B. Spring
Associate Professor
am
so pleased to have all the advice that has been given. It is so unlike
much of the misinformation on the web. Thank you.
With best wishes,
Michael
-
Michael B. Spring
Associate Professor
Information Science and Telecommunications
Voice: (412)-624-9429 Fax: (412)-624
Hi,
I want to monitor my tomcat 7 via JMX remotely. The problem is, as soon as I
add -Dcom.sun.management.jmxremote.port=9001 to my setenv.sh tomcat does not
start anymore. No error message, no log, nothing...
The system is a ubuntu which uses start-stop-demon to execute catalina.sh.
What could
there must be a log message somewhere.
But I do not find it...
The problem is probably that under Ubuntu, the startup script
redirects the STDERR log
somewhere, where you are not looking (via SYSLOG to
/var/log/daemon.log e.g.).
There is a syslog file, but it has no error messages.
Hi,
I have an application running on Tomcat 7 on a 8-Core Linux 64 bit System.
Unfortunately it uses only a single core. I have googled alot about this
fact but did not found a solution, even not a clear reason for it.
What can be the problem here?
Thank you
Can you send a dump of the HTTP headers received by the webapp and the
return value of the various request.getXXX methods? That would be very
helpful, here.
getRemoteAddr(): 85.214.210.60 -- proxy IP
x-forwarded-for: 85.178.56.216 -- client IP
x-forwarded-host: foobar.eu -- proxy
Hi,
I have set up the RemoteIpFilter (Tomcat 7.0.8) in the webapps web.xml like
this:
filter
filter-nameRemoteIpFilter/filter-name
filter-classorg.apache.catalina.filters.RemoteIpFilter/filter-class
/filter
filter-mapping
filter-nameRemoteIpFilter/filter-name
Because, while the functionality remains, it's no longer the default.
See:
http://tomcat.apache.org/tomcat-5.5-doc/class-loader-howto.html
Ah ok, thx.
But why is this no longer documented?
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Hi,
in catalina.properties I can define paths for common, server and shared
loaders.
Where do I find them here in the docs?:
http://tomcat.apache.org/tomcat-7.0-doc/class-loader-howto.html
Here we have only system and common...
Thank you
In 7.0.21 it works:
OK, thank you.
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Hi,
in a jsp I have an expression like this:
${states.get(state)}
On my dev machine everything works fine, on the staging it does not work, I
get:
java.lang.NoSuchMethodException: java.util.HashMap.get(java.lang.Integer)
states is:
Map states = new HashMap();
states.put(1, foo);
...
Both
${states.get(state)}
Did it work before, and in what exact versions of Tomcat?
Only on dev with 7.0.5
I would write that as ${states[state]}
This works.
What exactly version on Tomcat 7.0.x? There is a new one every month.
.get(..) works on 7.0.5 but not on 7.0.8
Hi,
I have an application which has a core app, some optional modules and config
files.
Until now I deploy the app into /webapps (NOT as war-File), copy needed
optional modules into WEB-INF/classes or lib and maintain config files
outside of the tomcat directory by adding the config directory as
Maybe the virtualWebappLoader is interesting for you:
http://tomcat.apache.org/tomcat-7.0-doc/config/loader.html#Vir
tualWebappLoader%20Implementation
Yes, I thought that this will be the solution for tomcat 7.
It already exists in Tomcat 6 but was made official and documented in
Tomcat
Hi,
in which order are classes loaded in jars in WEB-INF/lib? Alphabetically? By
date? Unordered?
My problem is:
My WEB-INF/lib contains jar's where on jar contains older versions of a
classes than the other jar. I will ensure to load the newer versions of the
classes. How can this be done?
in which order are classes loaded in jars in WEB-INF/lib?
Alphabetically? By
date? Unordered?
There is no order.
Thank you.
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Have a look at this Valve:
http://svn.apache.org/repos/asf/tomcat/trunk/java/org/apache/catalina/valves
/StuckThreadDetectionValve.java
For Tomcat 7.0.14
-Original Message-
From: Afkham Azeez [mailto:afk...@gmail.com]
Sent: Samstag, 11. Juni 2011 19:23
To: Tomcat Users List
I should have SPNEGO support in Tomcat 7 fairly soon.
This would be great!
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Hi,
2 questions:
1. Are there any plans to implement wildcard (e.g. ANT-like) matching for
the entrypoints of the CsrfPreventionFilter?
I have several static ressources like css, images etc. which do not need a
nonce and I really cannot list all of them explicitly. The main problem are
urls in
Hi,
I have an expanded webapp moved into a directory out of tomcats webapps-dir.
I have changed the docbase in server.xml (I know, bad practice). But now the
compiled jsp's are no longer in tomcats work directory. Where are they now?
Thank you
Especially, what are things to deploy jsf_webapp
in its real host after developing it in the localhost ?
You will also have to make sure that your URLs are built properly. If
the string localhost appears anywhere in your webapp,
you're probbaly
doing something wrong. Also, if you're
Hi,
are there any plans to implement a life update (without restarting the
connector) of the CRL in tomcat 7?
And maybe via URL not via File?
Thank you
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For
Hi,
I have a tomcat 7.0.2 service under W2K8 64bit. I want to update it to
7.0.8. Can I just run the service installer for 7.0.8 again or will this
reset my current configuration?
Thank you
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I have a tomcat 7.0.2 service under W2K8 64bit. I want to
update it to
7.0.8. Can I just run the service installer for 7.0.8 again
or will this
reset my current configuration?
https://issues.apache.org/bugzilla/show_bug.cgi?id=10021
It will reset your configuration.
OK, so I will
Hi,
I did it now so many times - it always worked - configuring tomcat for SSL.
Today: New server, new certificate.
Create new keystore, imported root, intermediate and server certificate,
configured the connector, same as usual.
But... http does not work. No error in tomcats log, nothing.
Hi,
it is TC 7.0.5, Java 1.6_22.
When I use a selfsigned certificate everything is fine - same server config,
just the other certificate. So it must be something wrong with the
certificate. But I have no clue what.
How can I debug the SSL-Handshake process?
The cert not working has:
#7:
OK, i enabled ssl-debug an got this:
Using SSLEngineImpl.
http-8443-exec-6, READ: TLSv1 Handshake, length = 72
*** ClientHello, TLSv1
RandomCookie: GMT: 1296237960 bytes = { 29, 26, 93, 201, 51, 195, 57, 220,
172, 159, 182, 24, 23, 109, 229, 241, 219, 44, 93, 9, 215, 107, 176, 92,
192, 250, 134,
The behaviour is configurable. Set the changeSessionIdOnAuthentication
attribute to false on the FORM authenticator valve
Hm, ok. I do not use tomcat's auth mechanisms. I use spring security.
Something must have changed between TC 6.0 and 7.0. And I have no idea
what
Hm, ok. I do not use tomcat's auth mechanisms. I use spring
security.
Something must have changed between TC 6.0 and 7.0. And I
have no idea
what...
As has already been explained, the session ID changes on
authentication.
What do you mean with authentication? I do NOT use tomcat's
Well, saying you use Form auth was misleading, wasn't it?
Is called FormAuth in Spring too.
If you're using Spring Security maybe your question would be better
addressed to one of the Spring forums?
Hm. But it works in TC 6.0 with the same version of spring.
Are you unable to retrieve
I have a web app where the user logs in and starts an applet
which uploads a file and then opens a page in the browser. I
use Java 1.6_16.
When I do this in TC 6.0.13 the session-ID stays the same
after login. Fine.
When I do this in TC 7.0.5 the session-ID changes when the
applet
You will also need to set useHttpOnly=false on the Context. For
security, Tomcat sets the httpOnly flag on the cookie if
either of these
are true.
Uh... Where is this documented? I was already looking for it...
Thank you!
On Sat, 15 Jan 2011 18:21:26 +0100, Al wq eee...@hotmail.com wrote:
The problem is that I am missing a JSP for it.
JSP generates HTML.
HTML only supports GET and POST.
WebDav uses PUT for uploads.
A browser isn't a full WebDav client.
The interaction between the settings isn't documented as far as I
recall. (Patches welcome)
Can I patch it?
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Hi,
I have a web app where the user logs in and starts an applet which uploads a
file and then opens a page in the browser. I use Java 1.6_16.
When I do this in TC 6.0.13 the session-ID stays the same after login. Fine.
When I do this in TC 7.0.5 the session-ID changes when the applet starts to
What are you using the session id for?
I use form auth. Subsequent calls after a successful login in the same
session are not authenticated again.
This is standard I would say.
Don't rely on the session id remaining the same.
Then the applet has to know the user credentials and has to post to
Are you unable to retrieve the new session id?
This is all done magically by the Applet-Java-Runtime.
Programmatic login is now possible in Servlet 3.0, would this help?
I know, but the applet does NOT know the credentials.
running under W2K3, tomcat 6.0.26 and java 1.6_22 I get after a while:
java.lang.ClassCastException:
com.sun.media.imageioimpl.plugins.tiff.TIFFImageReader cannot
be cast to com.sun.media.imageioimpl.plugins.tiff.TIFFImageReader
at:
Iterator it =
java.lang.ClassCastException:
com.sun.media.imageioimpl.plugins.tiff.TIFFImageReader cannot
be cast to com.sun.media.imageioimpl.plugins.tiff.TIFFImageReader
at:
Iterator it = ImageIO.getImageReadersByFormatName(TIF);
r = (TIFFImageReader)it.next(); //==BANG
I solved that
OK; I've got it...
when I change the Connector from HTTP/1.1 to
org.apache.coyote.http11.Http11NioProtocol is works.
Sounds a bit logical (Non-Blocking and async) but can someone please
explain?
Thank you
when I disable APR by removing the tcnative-1.dll or by removing the APR
listener from
I mean the new servlet 3.0 capabilities:
startAsync() and the resulting AsyncContext:
request.startAsync()
AsyncContext#getResponse()
sample:
HttpServletResponse res = (HttpServletResponse)ac.getResponse();
res.setStatus(200);
res.setHeader(X-Foo, bar);
res.setContentType(application/xml);
Hi,
running under W2K3, tomcat 6.0.26 and java 1.6_22 I get after a while:
java.lang.ClassCastException:
com.sun.media.imageioimpl.plugins.tiff.TIFFImageReader cannot be cast to
com.sun.media.imageioimpl.plugins.tiff.TIFFImageReader
at:
Iterator it = ImageIO.getImageReadersByFormatName(TIF);
r
ImageIO pins the classloader it first uses. So if that's a
WebappClassloader you subsequently reload the app you'll have a
memory leak the potential for class cast exceptions.
As I said, nobody reloads the app (at least I cannot see this in the logs).
It just happens after a while.
The
Hi,
when I disable APR by removing the tcnative-1.dll or by removing the APR
listener from server.xml async requests do not work anymore. I get
immediately after the request an empty response body with status 200.
I'm using TC 7.0.5 under windows 2003.
Thank you.
Hello,
I have a AsyncListener registered for an AsyncContext. Everytime I call
AsyncContext#complete fist onError gets called (throwable is null) and then
onComplete().
Is this a known Bug or did I made something wrong?
Here is the relevant Code:
member vars:
private final
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