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https://issues.apache.org/jira/browse/OPENJPA-1676?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rick Curtis reassigned OPENJPA-1676:
------------------------------------
Assignee: Rick Curtis
> PCClassFileTransformer.transform causing NPE when class name is null
> --------------------------------------------------------------------
>
> Key: OPENJPA-1676
> URL: https://issues.apache.org/jira/browse/OPENJPA-1676
> Project: OpenJPA
> Issue Type: Bug
> Components: UnenhancedClasses
> Affects Versions: 2.0.0
> Environment: jdk1.6.20
> Reporter: Christophe Roos
> Assignee: Rick Curtis
>
> openjpa WARN [AWT-EventQueue-0] openjpa.Enhance - An exception was thrown
> while attempting to perform class file transformation on "null":
> java.lang.NullPointerException
> at
> org.apache.openjpa.enhance.PCClassFileTransformer.needsEnhance(PCClassFileTransformer.java:175)
> at
> org.apache.openjpa.enhance.PCClassFileTransformer.transform0(PCClassFileTransformer.java:132)
> at
> org.apache.openjpa.enhance.PCClassFileTransformer.transform(PCClassFileTransformer.java:120)
> at
> sun.instrument.TransformerManager.transform(TransformerManager.java:169)
> at
> sun.instrument.InstrumentationImpl.transform(InstrumentationImpl.java:365)
> at java.lang.ClassLoader.defineClass1(Native Method)
> at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632)
> at java.lang.ClassLoader.defineClass(ClassLoader.java:616)
> at java.lang.ClassLoader.defineClass(ClassLoader.java:466)
> at
> com.sun.org.apache.xalan.internal.xsltc.trax.TemplatesImpl$TransletClassLoader.defineClass(TemplatesImpl.java:126)
> at
> com.sun.org.apache.xalan.internal.xsltc.trax.TemplatesImpl.defineTransletClasses(TemplatesImpl.java:312)
> at
> com.sun.org.apache.xalan.internal.xsltc.trax.TemplatesImpl.getTransletInstance(TemplatesImpl.java:349)
> at
> com.sun.org.apache.xalan.internal.xsltc.trax.TemplatesImpl.newTransformer(TemplatesImpl.java:382)
> at
> net.sourceforge.jeuclid.DOMBuilder.createTransformer(DOMBuilder.java:95)
> at net.sourceforge.jeuclid.DOMBuilder.<init>(DOMBuilder.java:75)
> at
> net.sourceforge.jeuclid.DOMBuilder$SingletonHolder.<clinit>(DOMBuilder.java:53)
> at net.sourceforge.jeuclid.DOMBuilder.getInstance(DOMBuilder.java:110)
> at
> net.sourceforge.jeuclid.layout.JEuclidView.<init>(JEuclidView.java:75)
> The code causing the error is in the JVM, because defineClass is called with
> a null class name:
> static final class TransletClassLoader extends ClassLoader {
> TransletClassLoader(ClassLoader parent) {
> super(parent);
> }
> /**
> * Access to final protected superclass member from outer class.
> */
> Class defineClass(final byte[] b) {
> ====> return defineClass(null, b, 0, b.length); <=====
> }
> }
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