[JBoss Tools] - Thoughts on Google Eclipse Plugins going Open Source
by Max Rydahl Andersen
Max Rydahl Andersen [http://community.jboss.org/people/maxandersen] modified the blog post:
"Thoughts on Google Eclipse Plugins going Open Source"
To view the blog post, visit: http://community.jboss.org/community/tools/blog/2011/11/16/thoughts-on-go...
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Google http://googlewebtoolkit.blogspot.com/2011/11/google-plugin-for-eclipse-gp... today announced they are making http://code.google.com/p/google-plugin-for-eclipse/ “Google Plugin for Eclipse” and http://code.google.com/p/gwt-designer/ "GWT Designer" fully open source and available under the Eclipse Public license.
We have many developers using Google’s Eclipse plugin to develop GWT-based applications targeting the JBoss Application Server.
With the open sourcing of the plugin we are looking forward to working even more closely with the Google team and the rest of the community on making the developer experience even more productive and an integrated part of Eclipse platform.
We are especially interested in seeing the Google Eclipse plugins being able to target multiple runtimes such as the JBoss Enterprise Application Platform and Google App Engine in a uniform way, working more seamlessly with standards-based tools and frameworks.
This targeting of multiple runtimes will also help users of JBoss AS, Glassfish, Tomcat and any other server that provides an Eclipse Web Tools compatible server adapter.
h1. JBoss Tools GWT Integration
JBoss Tools already provide integration with the previous release of GPE via our experimental http://community.jboss.org/docs/DOC-15794 JBoss GWT Integration.
Our experimental plugin allows you to easily use the Eclipse standard web wizards and projects instead of the Google specific wizards to create and deploy projects.
One of the reasons we marked this integration “experimental” was because opposite to what many believe large parts of Google’s plugins for Eclipse was not open sourced. That made the implementation dependent on non-public API and to use it you needed the GPE GWT plugins that was not possible to distribute freely.
Those concerns were the reasons I’ve been urging Google to make the GWT plugins open source so we and users could actually distribute and use the plugins freely and at the same time we could start contributing fixes and features and not just bugreports.
In the end this should allow for much more stable and uniform user experience. This goes not only for JBoss Tools plugins integration, but for integration across the Eclipse ecosystem such as Eclipse Web Tools Project and m2eclipse.
Some of the issues we had, have been fixed in GPE 2.0. Now with Google open sourcing their plugin we and others can help contribute and fix the remaining issues and implement enhancements to make easy usage of Google GWT across multiple platforms from Eclipse a reality.
None of this of course happen automatically but the open sourcing of the Google plugins definitely make it much easier and I look forward to see and support the work around these plugins.
Thank you Google - now let’s go and have Fun :)
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Comment by going to Community
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13 years, 10 months
[EJB3] - WorkerThread#
by André Simões
André Simões [http://community.jboss.org/people/asimoes] created the discussion
"WorkerThread#"
To view the discussion, visit: http://community.jboss.org/message/639091#639091
--------------------------------------------------------------
Hi.
Does someone knows how to control the workerThread polll that we see on Jboss 510?
In a remote client ssb ejb invocation to a cluster environment we create a socket to (default) port 3873 on {jboss.bind.address}.
In the server side, we can configure how many threads are listening the server socket port (PooledInvokerHA -> numAcceptThreads)
When a client connects to a cluster member, the RemotingConnector receives the request and sends to the client the connection parameters
<parameter>socket://${jboss.bind.address}:${port}?timeout=300000&invokerDestructionDelay=5000</parameter>
If we have, lets say, 100 simultaneous clients, we will see 100 WorkerThreads showing up on the cluster.
These WorkerThreads are responsible to process the requests (they are alocated to the ssb)
>From my experiences, the max number of WorkerThreads are 300 for each Jboss node.
On my tests, once these WorkerThreads are created, they are reused, but never destroyed.
There must be some way to control the idle timeout for this threads?
How do I control this max number of workersHi.
Does someone knows how to control the workerThread polll that we see on Jboss 510?
In a remote client ssb ejb invocation to a cluster environment we create a socket to (default) port 3873 on {jboss.bind.address}.
In the server side, we can configure how many threads are listening that port (PooledInvokerHA -> numAcceptThreads)
When a client connects to a cluster member, the RemotingConnector receives the request and sends to the client the connection params
<parameter>socket://${jboss.bind.address}:${port}?timeout=300000&invokerDestructionDelay=5000</parameter>
If we have, lets say, 100 simultaneous clients, we will see 100 WorkerThreads showing up on the cluster.
These WorkerThreads are responsible to process the request (they are alocated to the ssb)
>From my experiences, the max number of WorkerThreads are 300 for Jboss node.
On my tests, once these WorkerThreads are created, they are reused, but never destroyed.
There must be some way to control the idle timeout for this threads?
Does anyone knows how to control these WorkerThreads?
--------------------------------------------------------------
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13 years, 10 months
[jBPM] - javax.persistence.EntityNotFoundException: No Task with ID 26 was found!
by wei1044 liu
wei1044 liu [http://community.jboss.org/people/raul.liu] created the discussion
"javax.persistence.EntityNotFoundException: No Task with ID 26 was found!"
To view the discussion, visit: http://community.jboss.org/message/638786#638786
--------------------------------------------------------------
javax.persistence.EntityNotFoundException: No Task with ID 26 was found!
at org.jbpm.task.service.TaskServiceSession.getEntity(TaskServiceSession.java:773)
at org.jbpm.task.service.TaskServiceSession.getTask(TaskServiceSession.java:423)
at org.jbpm.task.service.TaskServerHandler.messageReceived(TaskServerHandler.java:96)
at org.jbpm.task.service.mina.MinaTaskServerHandler.messageReceived(MinaTaskServerHandler.java:41)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:713)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)
at org.apache.mina.filter.codec.ProtocolCodecFilter$ProtocolDecoderOutputImpl.flush(ProtocolCodecFilter.java:375)
at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:229)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)
at org.apache.mina.filter.logging.LoggingFilter.messageReceived(LoggingFilter.java:176)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)
at org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:119)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageReceived(DefaultIoFilterChain.java:426)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:638)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:598)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:587)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.access$400(AbstractPollingIoProcessor.java:61)
at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:969)
at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
javax.persistence.EntityNotFoundException: No Task with ID 26 was found!
at org.jbpm.task.service.TaskServiceSession.getEntity(TaskServiceSession.java:773)
at org.jbpm.task.service.TaskServiceSession.getTask(TaskServiceSession.java:423)
at org.jbpm.task.service.TaskServerHandler.messageReceived(TaskServerHandler.java:96)
at org.jbpm.task.service.mina.MinaTaskServerHandler.messageReceived(MinaTaskServerHandler.java:41)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:713)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)
at org.apache.mina.filter.codec.ProtocolCodecFilter$ProtocolDecoderOutputImpl.flush(ProtocolCodecFilter.java:375)
at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:229)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)
at org.apache.mina.filter.logging.LoggingFilter.messageReceived(LoggingFilter.java:176)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)
at org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:119)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageReceived(DefaultIoFilterChain.java:426)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:638)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:598)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:587)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.access$400(AbstractPollingIoProcessor.java:61)
at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:969)
at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
javax.persistence.EntityNotFoundException: No Task with ID 26 was found!
at org.jbpm.task.service.TaskServiceSession.getEntity(TaskServiceSession.java:773)
at org.jbpm.task.service.TaskServiceSession.getTask(TaskServiceSession.java:423)
at org.jbpm.task.service.TaskServerHandler.messageReceived(TaskServerHandler.java:96)
at org.jbpm.task.service.mina.MinaTaskServerHandler.messageReceived(MinaTaskServerHandler.java:41)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:713)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)
at org.apache.mina.filter.codec.ProtocolCodecFilter$ProtocolDecoderOutputImpl.flush(ProtocolCodecFilter.java:375)
at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:229)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)
at org.apache.mina.filter.logging.LoggingFilter.messageReceived(LoggingFilter.java:176)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)
at org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:119)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageReceived(DefaultIoFilterChain.java:426)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:638)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:598)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:587)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.access$400(AbstractPollingIoProcessor.java:61)
at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:969)
at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
javax.persistence.EntityNotFoundException: No Task with ID 26 was found!
at org.jbpm.task.service.TaskServiceSession.getEntity(TaskServiceSession.java:773)
at org.jbpm.task.service.TaskServiceSession.getTask(TaskServiceSession.java:423)
at org.jbpm.task.service.TaskServerHandler.messageReceived(TaskServerHandler.java:96)
at org.jbpm.task.service.mina.MinaTaskServerHandler.messageReceived(MinaTaskServerHandler.java:41)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:713)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)
at org.apache.mina.filter.codec.ProtocolCodecFilter$ProtocolDecoderOutputImpl.flush(ProtocolCodecFilter.java:375)
at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:229)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)
at org.apache.mina.filter.logging.LoggingFilter.messageReceived(LoggingFilter.java:176)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)
at org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:119)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageReceived(DefaultIoFilterChain.java:426)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:638)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:598)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:587)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.access$400(AbstractPollingIoProcessor.java:61)
at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:969)
at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
javax.persistence.EntityNotFoundException: No Task with ID 26 was found!
at org.jbpm.task.service.TaskServiceSession.getEntity(TaskServiceSession.java:773)
at org.jbpm.task.service.TaskServiceSession.getTask(TaskServiceSession.java:423)
at org.jbpm.task.service.TaskServerHandler.messageReceived(TaskServerHandler.java:96)
at org.jbpm.task.service.mina.MinaTaskServerHandler.messageReceived(MinaTaskServerHandler.java:41)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:713)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)
at org.apache.mina.filter.codec.ProtocolCodecFilter$ProtocolDecoderOutputImpl.flush(ProtocolCodecFilter.java:375)
at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:229)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)
at org.apache.mina.filter.logging.LoggingFilter.messageReceived(LoggingFilter.java:176)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)
at org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:119)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageReceived(DefaultIoFilterChain.java:426)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:638)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:598)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:587)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.access$400(AbstractPollingIoProcessor.java:61)
at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:969)
at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
javax.persistence.EntityNotFoundException: No Task with ID 26 was found!
at org.jbpm.task.service.TaskServiceSession.getEntity(TaskServiceSession.java:773)
at org.jbpm.task.service.TaskServiceSession.getTask(TaskServiceSession.java:423)
at org.jbpm.task.service.TaskServerHandler.messageReceived(TaskServerHandler.java:96)
at org.jbpm.task.service.mina.MinaTaskServerHandler.messageReceived(MinaTaskServerHandler.java:41)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:713)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)
at org.apache.mina.filter.codec.ProtocolCodecFilter$ProtocolDecoderOutputImpl.flush(ProtocolCodecFilter.java:375)
at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:229)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)
at org.apache.mina.filter.logging.LoggingFilter.messageReceived(LoggingFilter.java:176)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46)
at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:793)
at org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:119)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434)
at org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageReceived(DefaultIoFilterChain.java:426)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:638)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:598)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:587)
at org.apache.mina.core.polling.AbstractPollingIoProcessor.access$400(AbstractPollingIoProcessor.java:61)
at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:969)
at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
I would like to add JBPM5.1 into my project, but now the problem is that it will have an impact on our workflow executing, on the other hand, it is irreversible,which is very terrible and serious. Does anyone have encountered this kind of problem before? Looking forward to your reply. Thank you very much.
attach: seam + mysql + jbpm5.1
--------------------------------------------------------------
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13 years, 10 months
[jBPM] - Configuring Guvnor to use PostgreSQL
by stone crasy
stone crasy [http://community.jboss.org/people/free] created the discussion
"Configuring Guvnor to use PostgreSQL"
To view the discussion, visit: http://community.jboss.org/message/638808#638808
--------------------------------------------------------------
Using the Repository Configuration Manager in Guvnor,I can make guvnor connect to PostgreSQL by checking the tables.
But,I can't open http://localhost:8080/drools-guvnor/org.drools.guvnor.Guvnor/Guvnor.html http://localhost:8080/drools-guvnor/org.drools.guvnor.Guvnor/Guvnor.html,... error).
And I check server's log:
Caused by: java.lang.IllegalArgumentException: Exception loading class for ScopeKey addition.
at org.jboss.deployers.vfs.deployer.kernel.BeanMetaDataFactoryVisitor.addBeanComponent(BeanMetaDataFactoryVisitor.java:67)
at org.jboss.deployers.vfs.deployer.kernel.BeanMetaDataFactoryVisitor.deploy(BeanMetaDataFactoryVisitor.java:126)
... 34 more
Caused by: java.lang.ClassNotFoundException: Unexpected error during load of: org.jboss.wsf.stack.jbws.JAXBIntroDeploymentAspect, msg=class org.jboss.wsf.stack.jbws.JAXBIntroDeploymentAspect has interface org.jboss.wsf.spi.deployment.DeploymentAspect as super class
at org.jboss.classloader.spi.base.ClassLoaderManager.process(ClassLoaderManager.java:165)
at org.jboss.classloader.spi.base.BaseClassLoaderDomain.loadClass(BaseClassLoaderDomain.java:265)
at org.jboss.classloader.spi.base.BaseClassLoaderDomain.loadClass(BaseClassLoaderDomain.java:1119)
at org.jboss.classloader.spi.base.BaseClassLoader.loadClassFromDomain(BaseClassLoader.java:798)
at org.jboss.classloader.spi.base.BaseClassLoader.loadClass(BaseClassLoader.java:441)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at org.jboss.deployers.vfs.deployer.kernel.BeanMetaDataFactoryVisitor.addBeanComponent(BeanMetaDataFactoryVisitor.java:63)
... 35 more
Caused by: java.lang.IncompatibleClassChangeError: class org.jboss.wsf.stack.jbws.JAXBIntroDeploymentAspect has interface org.jboss.wsf.spi.deployment.DeploymentAspect as super class
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632)
at java.lang.ClassLoader.defineClass(ClassLoader.java:616)
at org.jboss.classloader.spi.base.BaseClassLoader.access$200(BaseClassLoader.java:63)
at org.jboss.classloader.spi.base.BaseClassLoader$2.run(BaseClassLoader.java:572)
at org.jboss.classloader.spi.base.BaseClassLoader$2.run(BaseClassLoader.java:532)
at java.security.AccessController.doPrivileged(Native Method)
at org.jboss.classloader.spi.base.BaseClassLoader.loadClassLocally(BaseClassLoader.java:530)
at org.jboss.classloader.spi.base.BaseClassLoader.loadClassLocally(BaseClassLoader.java:507)
at org.jboss.classloader.spi.base.BaseDelegateLoader.loadClass(BaseDelegateLoader.java:134)
at org.jboss.classloader.spi.filter.FilteredDelegateLoader.loadClass(FilteredDelegateLoader.java:131)
at org.jboss.classloader.spi.base.ClassLoadingTask$ThreadTask.run(ClassLoadingTask.java:452)
at org.jboss.classloader.spi.base.ClassLoaderManager.nextTask(ClassLoaderManager.java:251)
at org.jboss.classloader.spi.base.ClassLoaderManager.process(ClassLoaderManager.java:150)
... 41 more
I thought it was Version problem ,then I updated JbossWS Version to *jbossws-native-3.4.1.GA*.but still can't solve this problem.
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13 years, 10 months
[JBoss Cache] - JBoss Cache - Memory Leak when many Fqn/nodes added in Cache
by Sathish
Sathish [http://community.jboss.org/people/sathish_06] created the discussion
"JBoss Cache - Memory Leak when many Fqn/nodes added in Cache"
To view the discussion, visit: http://community.jboss.org/message/617503#617503
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All - Iam observing OOM in JBoss Cache, with below mentioned scenario. Would like to get suggestions/help on the approach that iam doing to over come the situation is correct or not. Here is the details on the problem,
Problem:- JBoss Cache - Memory Leak when many Fqn/nodes added in Cache using TreeCache.put() API
Explanation of the problem:- When adding new data in cache with new node in the tree, its causing memory leak.
Environment/Config settings:-
JBoss Cache Version:-JBossCache 1.2.4.SP2[ $Id: Version.java,v 1.5.2.1.4.3 2006/02/15 05:08:06 bstansberry Exp $]\
CacheMode:LOCAL
EvictionPolicy: LRUPolicy
Test Cache region - /testRegionX definition:-
<region name="/testRegionX">
<attribute name="maxNodes">1000</attribute>
<attribute name="timeToLiveSeconds">30</attribute>
<!-- Maximum time an object is kept in cache regardless of idle time -->
<attribute name="maxAgeSeconds">30</attribute>
</region>
In the test code, start adding new objects in the cache(treeCache.put(identifier, key , vo)) with different FQN/tree node, as shown below.
/testRegionX/a/b/ k1, v1
/testRegionX/a1/b1/ k2, v2
/testRegionX/a12b2/ k2, v3
.....
Snippet of the test code,
TreeCache treeCache;
try {
treeCache = new TreeCache();
treeCache.setCacheMode(TreeCache.LOCAL);
System.out.println("JBoss Cache Version:-" + treeCache.getVersion());
PropertyConfigurator config = new PropertyConfigurator();
config.configure(treeCache, "TreeCache.xml");
treeCache.startService();
String identifier_prefix = "/testRegionX";
String key_prefix = "key_01_";
for(long i=0;;i++)
{
String key = key_prefix + i;
String identifier = identifier_prefix + "/" + i + "/data/";
//String identifier = identifier_prefix;
System.out.println("Identifer = " + identifier);
DummyVO vo = new DummyVO();
System.out.println("Adding[Id=new node, Key=unique] - Key - " + key);
treeCache.put(identifier, key , vo);
//access the data from cache
treeCache.get(identifier, key);
//dont call remove
//treeCache.remove(identifier, key);
//System.out.println("cache.remove called");
}
//treeCache.stopService();
} catch (Exception e) {
e.printStackTrace();
}
Refer attached zip file contains complete Tree cache configuration(TreeCache.xml) and test code. Just point the jboss library location in the ant.properits file to run the test code.
Note that i dont call the tree.remove() to remove the cache data, instead let the Cache manager evict the object once it gets expired(configured expiry time to 30 seconds.).
Ran test with default JVM heap size, and reunning out of memory in the 50K iteration. Took JMap histo and noticed that below 2 objects are not releasing, Attached histo in text file.
C:\Documents and Settings\skandasa>jmap -histo:live 4508
num #instances #bytes class name
----------------------------------------------
1: 107609 16019856 [LEDU.oswego.cs.dl.util.concurrent.ConcurrentReaderHashMap$Entry;
3: 107609 6026104 EDU.oswego.cs.dl.util.concurrent.ConcurrentReaderHashMap
When I start adding new objects in the cache(treeCache.put(identifier, key , vo)) in the same tree node ('/testRegionX' ie., not creating new nodes in the tree, as shown below) then not observing this OOM problem.
/testRegionX/ k1, v1
/testRegionX/ k2, v2
/testRegionX/ k2, v3
.....
In other words, if i simply store data in cache as a Hashmap, without creating many tree nodes, then not observing OOM.
Any thoughts on this behaviour of the JBoss cache ? How can i get control over the OOM problem when adding new nodes in the tree cache ?
Please advice!
Thanks,
Sathish
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13 years, 10 months