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Posted to dev@synapse.apache.org by "Malith Dhanushka (JIRA)" <ji...@apache.org> on 2012/08/02 17:07:02 UTC
[jira] [Created] (SYNAPSE-901) Concurrency issue at Clone Mediator
Malith Dhanushka created SYNAPSE-901:
----------------------------------------
Summary: Concurrency issue at Clone Mediator
Key: SYNAPSE-901
URL: https://issues.apache.org/jira/browse/SYNAPSE-901
Project: Synapse
Issue Type: Bug
Components: Core
Affects Versions: 2.1
Environment: Any
Reporter: Malith Dhanushka
Priority: Critical
Fix For: FUTURE
This issue is very much identical to the issue SYNAPSE-897. Clone mediator gives following exception when messages are processed in parallel,
[SynapseWorker-2] ERROR MediatorWorker Unexpected error executing task/async inject
java.util.EmptyStackException
at java.util.Stack.peek(Stack.java:85)
at org.apache.synapse.util.xpath.SynapseXPathVariableContext.getVariableValue(SynapseXPathVariableContext.java:157)
at org.jaxen.ContextSupport.getVariableValue(ContextSupport.java:215)
at org.jaxen.Context.getVariableValue(Context.java:196)
at org.jaxen.expr.DefaultVariableReferenceExpr.evaluate(DefaultVariableReferenceExpr.java:103)
at org.jaxen.expr.DefaultXPathExpr.asList(DefaultXPathExpr.java:102)
at org.jaxen.BaseXPath.selectNodesForContext(BaseXPath.java:677)
at org.jaxen.BaseXPath.selectNodes(BaseXPath.java:216)
at org.jaxen.BaseXPath.evaluate(BaseXPath.java:175)
at org.apache.synapse.util.xpath.SynapseXPath.stringValueOf(SynapseXPath.java:172)
at org.apache.synapse.mediators.transform.HeaderMediator.mediate(HeaderMediator.java:79)
at org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:60)
at org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:114)
at org.apache.synapse.mediators.MediatorWorker.run(MediatorWorker.java:69)
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:662)
Exception in thread "SynapseWorker-2" java.lang.NullPointerException
at org.apache.synapse.FaultHandler.handleFault(FaultHandler.java:78)
at org.apache.synapse.mediators.MediatorWorker.run(MediatorWorker.java:90)
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:662)
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[jira] [Resolved] (SYNAPSE-901) Concurrency issue at Clone Mediator
Posted by "Udayanga Wickramasinghe (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/SYNAPSE-901?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Udayanga Wickramasinghe resolved SYNAPSE-901.
---------------------------------------------
Resolution: Fixed
committed in rev 1373302.Thanx Malith for your contribution..
> Concurrency issue at Clone Mediator
> -----------------------------------
>
> Key: SYNAPSE-901
> URL: https://issues.apache.org/jira/browse/SYNAPSE-901
> Project: Synapse
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.1
> Environment: Any
> Reporter: Malith Dhanushka
> Priority: Critical
> Fix For: FUTURE
>
> Attachments: SYNAPSE-901.patch
>
>
> This issue is very much identical to the issue SYNAPSE-897. Clone mediator gives following exception when messages are processed in parallel,
> [SynapseWorker-2] ERROR MediatorWorker Unexpected error executing task/async inject
> java.util.EmptyStackException
> at java.util.Stack.peek(Stack.java:85)
> at org.apache.synapse.util.xpath.SynapseXPathVariableContext.getVariableValue(SynapseXPathVariableContext.java:157)
> at org.jaxen.ContextSupport.getVariableValue(ContextSupport.java:215)
> at org.jaxen.Context.getVariableValue(Context.java:196)
> at org.jaxen.expr.DefaultVariableReferenceExpr.evaluate(DefaultVariableReferenceExpr.java:103)
> at org.jaxen.expr.DefaultXPathExpr.asList(DefaultXPathExpr.java:102)
> at org.jaxen.BaseXPath.selectNodesForContext(BaseXPath.java:677)
> at org.jaxen.BaseXPath.selectNodes(BaseXPath.java:216)
> at org.jaxen.BaseXPath.evaluate(BaseXPath.java:175)
> at org.apache.synapse.util.xpath.SynapseXPath.stringValueOf(SynapseXPath.java:172)
> at org.apache.synapse.mediators.transform.HeaderMediator.mediate(HeaderMediator.java:79)
> at org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:60)
> at org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:114)
> at org.apache.synapse.mediators.MediatorWorker.run(MediatorWorker.java:69)
> 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:662)
> Exception in thread "SynapseWorker-2" java.lang.NullPointerException
> at org.apache.synapse.FaultHandler.handleFault(FaultHandler.java:78)
> at org.apache.synapse.mediators.MediatorWorker.run(MediatorWorker.java:90)
> 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:662)
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[jira] [Commented] (SYNAPSE-901) Concurrency issue at Clone
Mediator
Posted by "Hudson (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/SYNAPSE-901?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13434982#comment-13434982 ]
Hudson commented on SYNAPSE-901:
--------------------------------
Integrated in Synapse - Trunk #4385 (See [https://builds.apache.org/job/Synapse%20-%20Trunk/4385/])
commiting patches SYNAPSE-898,SYNAPSE-884, SYNAPSE-897 SYNAPSE-899, SYNAPSE-901 (Revision 1373302)
Result = SUCCESS
uswick :
Files :
* /synapse/trunk/java/modules/core/pom.xml
* /synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/config/xml/CloneMediatorFactory.java
* /synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/config/xml/IterateMediatorFactory.java
* /synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/config/xml/IterateMediatorSerializer.java
* /synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/config/xml/TemplateMediatorFactory.java
* /synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/config/xml/TemplateMediatorSerializer.java
* /synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/config/xml/TemplateParameterFactory.java
* /synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/config/xml/TemplateParameterSerializer.java
* /synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/libraries/util/LibDeployerUtils.java
* /synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/mediators/TemplateParameter.java
* /synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/mediators/template/TemplateContext.java
* /synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/mediators/template/TemplateMediator.java
* /synapse/trunk/java/modules/core/src/test/java/org/apache/synapse/libraries/eip
* /synapse/trunk/java/modules/core/src/test/java/org/apache/synapse/libraries/eip/AbstractEipLibTestCase.java
* /synapse/trunk/java/modules/core/src/test/java/org/apache/synapse/libraries/eip/EipLibTest.java
* /synapse/trunk/java/modules/core/src/test/resources/synapse-libraries/assembly/assemble-eip-lib.xml
* /synapse/trunk/java/modules/core/src/test/resources/synapse-libraries/synapse-eip-lib
* /synapse/trunk/java/modules/core/src/test/resources/synapse-libraries/synapse-eip-lib/artifacts.xml
* /synapse/trunk/java/modules/core/src/test/resources/synapse-libraries/synapse-eip-lib/eip_systemManagement
* /synapse/trunk/java/modules/core/src/test/resources/synapse-libraries/synapse-eip-lib/eip_systemManagement/artifact.xml
* /synapse/trunk/java/modules/core/src/test/resources/synapse-libraries/synapse-eip-lib/eip_systemManagement/template_splitter.xml
* /synapse/trunk/java/repository/conf/sample/synapse_sample_850.xml
* /synapse/trunk/java/repository/conf/sample/synapse_sample_851.xml
* /synapse/trunk/java/repository/conf/sample/synapse_sample_852.xml
* /synapse/trunk/java/repository/conf/sample/synapse_sample_853.xml
* /synapse/trunk/java/repository/conf/sample/synapse_sample_854.xml
* /synapse/trunk/java/repository/conf/sample/synapse_sample_855.xml
* /synapse/trunk/java/repository/conf/sample/synapse_sample_856.xml
* /synapse/trunk/java/repository/conf/sample/synapse_sample_857.xml
> Concurrency issue at Clone Mediator
> -----------------------------------
>
> Key: SYNAPSE-901
> URL: https://issues.apache.org/jira/browse/SYNAPSE-901
> Project: Synapse
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.1
> Environment: Any
> Reporter: Malith Dhanushka
> Priority: Critical
> Fix For: FUTURE
>
> Attachments: SYNAPSE-901.patch
>
>
> This issue is very much identical to the issue SYNAPSE-897. Clone mediator gives following exception when messages are processed in parallel,
> [SynapseWorker-2] ERROR MediatorWorker Unexpected error executing task/async inject
> java.util.EmptyStackException
> at java.util.Stack.peek(Stack.java:85)
> at org.apache.synapse.util.xpath.SynapseXPathVariableContext.getVariableValue(SynapseXPathVariableContext.java:157)
> at org.jaxen.ContextSupport.getVariableValue(ContextSupport.java:215)
> at org.jaxen.Context.getVariableValue(Context.java:196)
> at org.jaxen.expr.DefaultVariableReferenceExpr.evaluate(DefaultVariableReferenceExpr.java:103)
> at org.jaxen.expr.DefaultXPathExpr.asList(DefaultXPathExpr.java:102)
> at org.jaxen.BaseXPath.selectNodesForContext(BaseXPath.java:677)
> at org.jaxen.BaseXPath.selectNodes(BaseXPath.java:216)
> at org.jaxen.BaseXPath.evaluate(BaseXPath.java:175)
> at org.apache.synapse.util.xpath.SynapseXPath.stringValueOf(SynapseXPath.java:172)
> at org.apache.synapse.mediators.transform.HeaderMediator.mediate(HeaderMediator.java:79)
> at org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:60)
> at org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:114)
> at org.apache.synapse.mediators.MediatorWorker.run(MediatorWorker.java:69)
> 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:662)
> Exception in thread "SynapseWorker-2" java.lang.NullPointerException
> at org.apache.synapse.FaultHandler.handleFault(FaultHandler.java:78)
> at org.apache.synapse.mediators.MediatorWorker.run(MediatorWorker.java:90)
> 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:662)
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[jira] [Updated] (SYNAPSE-901) Concurrency issue at Clone Mediator
Posted by "Malith Dhanushka (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/SYNAPSE-901?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Malith Dhanushka updated SYNAPSE-901:
-------------------------------------
Attachment: SYNAPSE-901.patch
Attaching patch.Please review & commit.
Thanks,
Malith
> Concurrency issue at Clone Mediator
> -----------------------------------
>
> Key: SYNAPSE-901
> URL: https://issues.apache.org/jira/browse/SYNAPSE-901
> Project: Synapse
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.1
> Environment: Any
> Reporter: Malith Dhanushka
> Priority: Critical
> Fix For: FUTURE
>
> Attachments: SYNAPSE-901.patch
>
>
> This issue is very much identical to the issue SYNAPSE-897. Clone mediator gives following exception when messages are processed in parallel,
> [SynapseWorker-2] ERROR MediatorWorker Unexpected error executing task/async inject
> java.util.EmptyStackException
> at java.util.Stack.peek(Stack.java:85)
> at org.apache.synapse.util.xpath.SynapseXPathVariableContext.getVariableValue(SynapseXPathVariableContext.java:157)
> at org.jaxen.ContextSupport.getVariableValue(ContextSupport.java:215)
> at org.jaxen.Context.getVariableValue(Context.java:196)
> at org.jaxen.expr.DefaultVariableReferenceExpr.evaluate(DefaultVariableReferenceExpr.java:103)
> at org.jaxen.expr.DefaultXPathExpr.asList(DefaultXPathExpr.java:102)
> at org.jaxen.BaseXPath.selectNodesForContext(BaseXPath.java:677)
> at org.jaxen.BaseXPath.selectNodes(BaseXPath.java:216)
> at org.jaxen.BaseXPath.evaluate(BaseXPath.java:175)
> at org.apache.synapse.util.xpath.SynapseXPath.stringValueOf(SynapseXPath.java:172)
> at org.apache.synapse.mediators.transform.HeaderMediator.mediate(HeaderMediator.java:79)
> at org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:60)
> at org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:114)
> at org.apache.synapse.mediators.MediatorWorker.run(MediatorWorker.java:69)
> 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:662)
> Exception in thread "SynapseWorker-2" java.lang.NullPointerException
> at org.apache.synapse.FaultHandler.handleFault(FaultHandler.java:78)
> at org.apache.synapse.mediators.MediatorWorker.run(MediatorWorker.java:90)
> 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:662)
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