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https://issues.apache.org/jira/browse/TAP5-1650?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13105783#comment-13105783
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Hudson commented on TAP5-1650:
------------------------------
Integrated in tapestry-trunk-freestyle #523 (See
[https://builds.apache.org/job/tapestry-trunk-freestyle/523/])
Revert "TAP5-1650: On a cold start with a large number of incoming
requests, Tapestry can deadlock inside PlasticClassLoader/PlasticClassPool"
This reverts commit 3bc03edef7c8c4839ef833b45de24251b3ad52ac.
Revert "TAP5-1650: On a cold start with a large number of incoming requests,
Tapestry can deadlock inside PlasticClassLoader/PlasticClassPool"
This reverts commit c0589deb1530f51567c19dfa5ebe59fcf465bb28.
Revert "TAP5-1650: On a cold start with a large number of incoming requests,
Tapestry can deadlock inside PlasticClassLoader/PlasticClassPool"
This reverts commit 4511f0aac12ec1b9b3f2b876c6e6adb60a581e9f.
Revert "TAP5-1650: On a cold start with a large number of incoming requests,
Tapestry can deadlock inside PlasticClassLoader/PlasticClassPool"
This reverts commit b33e13ed6ff474143676ccbbcdd6775019f6babb.
Revert "TAP5-1650: On a cold start with a large number of incoming requests,
Tapestry can deadlock inside PlasticClassLoader/PlasticClassPool"
This reverts commit cec8f4ae4ddd776729f5a3a684b53b4fbb4dee15.
Revert "TAP5-1650: On a cold start with a large number of incoming requests,
Tapestry can deadlock inside PlasticClassLoader/PlasticClassPool"
This reverts commit 0480cd8a31f0a7b0d752615fa7c999a4db4ec0a3.
Revert "Revert "TAP5-1650: On a cold start with a large number of incoming
requests, Tapestry can deadlock inside PlasticClassLoader/PlasticClassPool""
This reverts commit 5054d9ac218cdf695ca5ea90adaece5ac9bef58d.
Revert "TAP5-1650: On a cold start with a large number of incoming requests,
Tapestry can deadlock inside PlasticClassLoader/PlasticClassPool"
This reverts commit 0480cd8a31f0a7b0d752615fa7c999a4db4ec0a3.
hlship : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1171325
Files :
*
/tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/internal/plastic/PlasticClassLoader.java
*
/tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/internal/plastic/PlasticClassPool.java
hlship : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1171324
Files :
*
/tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/internal/plastic/PlasticClassPool.java
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/tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/plastic/PlasticManager.java
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/tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/services/ComponentInstantiatorSourceImpl.java
hlship : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1171323
Files :
*
/tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/plastic/PlasticManager.java
hlship : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1171322
Files :
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/tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/internal/plastic/PlasticClassLoader.java
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/tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/internal/plastic/PlasticClassPool.java
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/tapestry/tapestry5/trunk/plastic/src/main/java/org/apache/tapestry5/plastic/PlasticManager.java
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/tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/services/ComponentInstantiatorSourceImpl.java
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/tapestry/tapestry5/trunk/tapestry-ioc/src/main/java/org/apache/tapestry5/ioc/RegistryBuilder.java
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/tapestry/tapestry5/trunk/tapestry-ioc/src/main/java/org/apache/tapestry5/ioc/internal/services/PlasticProxyFactoryImpl.java
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/tapestry/tapestry5/trunk/tapestry-ioc/src/main/java/org/apache/tapestry5/ioc/services/PlasticProxyFactory.java
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/tapestry/tapestry5/trunk/tapestry-ioc/src/test/java/org/apache/tapestry5/ioc/internal/DefaultModuleDefImplTest.java
hlship : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1171321
Files :
*
/tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/services/ComponentInstantiatorSourceImpl.java
hlship : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1171320
Files :
*
/tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/services/ComponentInstantiatorSourceImpl.java
hlship : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1171319
Files :
*
/tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/services/ComponentInstantiatorSourceImpl.java
hlship : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1171318
Files :
*
/tapestry/tapestry5/trunk/tapestry-core/src/main/java/org/apache/tapestry5/internal/services/ComponentInstantiatorSourceImpl.java
> On a cold start with a large number of incoming requests, Tapestry can
> deadlock inside PlasticClassLoader/PlasticClassPool
> --------------------------------------------------------------------------------------------------------------------------
>
> Key: TAP5-1650
> URL: https://issues.apache.org/jira/browse/TAP5-1650
> Project: Tapestry 5
> Issue Type: Bug
> Components: plastic
> Affects Versions: 5.3
> Reporter: Howard M. Lewis Ship
> Assignee: Howard M. Lewis Ship
> Priority: Critical
> Labels: deadlock, performance
>
> Discovered during load testing; the scenario is a cold start for the
> application then hitting it with large numbers of concurrent requests with no
> ramp up. The deadlocks involve two methods:
> PlasticClassLoader.loadClass()
> PlasticClassPool.getClassInstantiator()
> A proper solution would to make these methods share a single explicit Lock,
> rather than be synchronized.
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