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Date: Tue, 16 Jun 2009 14:18:07 -0700 (PDT)
From: "Michael Dick (JIRA)" <jira@apache.org>
To: dev@openjpa.apache.org
Subject: [jira] Commented: (OPENJPA-1119) NPE in InstrumentationFactory
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    [ https://issues.apache.org/jira/browse/OPENJPA-1119?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12720356#action_12720356 ] 

Michael Dick commented on OPENJPA-1119:
---------------------------------------

Hi Rick,

Before we commit the patch could we make the perm gen size configurable? 256m doesn't seem to be enough for 64 bit JVMs so it might make sense to user a variable in pom.xml; set the variable to a default value (if we can it'd be neat to set it differently for 64 vs 32 bit jvms automagically), but let the build override it with  -Dtest.permgen.size=512m. 

Sorry I didn't try it on 64 bit JVMs until now. 

> NPE in InstrumentationFactory
> -----------------------------
>
>                 Key: OPENJPA-1119
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-1119
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: kernel
>    Affects Versions: 2.0.0
>            Reporter: Rick Curtis
>            Assignee: Rick Curtis
>             Fix For: 2.0.0
>
>         Attachments: OPENJPA-1119.PATCH, OPENJPA-1119.patch
>
>
> As reported in the dev forum [1] InstrumentationFactory.class.getProtectionDomain().getCodeSource() returns null, causing a NPE.
> Caused by: java.lang.NullPointerException
>         at org.apache.openjpa.enhance.InstrumentationFactory.getAgentJar(InstrumentationFactory.java:204)
>         at org.apache.openjpa.enhance.InstrumentationFactory.access$200(InstrumentationFactory.java:47)
>         at org.apache.openjpa.enhance.InstrumentationFactory$1.run(InstrumentationFactory.java:99)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at org.apache.openjpa.enhance.InstrumentationFactory.getInstrumentation(InstrumentationFactory.java:87)
>         at org.apache.openjpa.enhance.PCEnhancerAgent.loadDynamicAgent(PCEnhancerAgent.java:95)
>         at org.apache.openjpa.persistence.PersistenceProviderImpl.loadAgent(PersistenceProviderImpl.java:243)
>         at org.apache.openjpa.persistence.PersistenceProviderImpl.createEntityManagerFactory(PersistenceProviderImpl.java:91)
>         at org.apache.openjpa.persistence.PersistenceProviderImpl.createEntityManagerFactory(PersistenceProviderImpl.java:119)
>         at org.apache.openjpa.persistence.PersistenceProviderImpl.createEntityManagerFactory(PersistenceProviderImpl.java:55)
>         at javax.persistence.Persistence.createFactory(Persistence.java:172)
>         ... 51 more
> [1] http://n2.nabble.com/Error-loading-agent-with-Openjpa2-td3024299.html

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