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From "Vamsavardhana Reddy (JIRA)" <j...@apache.org>
Subject [jira] Created: (XBEAN-140) ClassFinder needs better processing of creating list of classes from JARs
Date Thu, 08 Oct 2009 06:35:31 GMT
ClassFinder needs better processing of creating list of classes from JARs
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                 Key: XBEAN-140
                 URL: https://issues.apache.org/jira/browse/XBEAN-140
             Project: XBean
          Issue Type: Bug
          Components: finder
    Affects Versions: 3.5
            Reporter: Vamsavardhana Reddy


I am using the ClassFinder with Geronimo code.  One of the JARs that needed to be processed
in my case is com\sun\xml\bind\jaxb-xjc\2.0.5\jaxb-xjc-2.0.5.jar.  This jar contains a directory
named 1.0 with some classes in it.  When ClassFinder is processes this JAR, it is constructing
class names like "1.0.com.sun.codemodel.CodeWriter" etc which are not valid class names and
can't be located in the jar at "/1/0/com/sun/codemodel/CodeWriter.class" (but is present at
"/1.0/com/sun/codemodel/CodeWriter.class").  This is resulting in stack traces like the following:

java.lang.Exception: Could not load 1/0/com/sun/codemodel/CodeWriter.class
	at org.apache.xbean.finder.ClassFinder.readClassDef(ClassFinder.java:726)
	at org.apache.xbean.finder.ClassFinder.<init>(ClassFinder.java:141)
	at org.apache.xbean.finder.ClassFinder.<init>(ClassFinder.java:97)
	at org.apache.xbean.finder.ClassFinder.<init>(ClassFinder.java:86)
	at org.apache.openejb.config.AnnotationDeployer$DiscoverAnnotatedBeans.deploy(AnnotationDeployer.java:269)
	at org.apache.openejb.config.AnnotationDeployer$DiscoverAnnotatedBeans.deploy(AnnotationDeployer.java:247)
	at org.apache.openejb.config.AnnotationDeployer.deploy(AnnotationDeployer.java:167)
	at org.apache.tuscany.sca.contribution.jee.JavaEEModuleHelper.getMetadataCompleteModules(JavaEEModuleHelper.java:116)
	at org.apache.tuscany.sca.contribution.jee.impl.JavaEEIntrospectorImpl.introspectWebArchive(JavaEEIntrospectorImpl.java:80)
	at org.apache.tuscany.sca.contribution.jee.impl.WebArchiveProcessor.read(WebArchiveProcessor.java:46)
	at org.apache.tuscany.sca.contribution.jee.impl.WebArchiveProcessor.read(WebArchiveProcessor.java:1)
	at org.apache.tuscany.sca.contribution.processor.DefaultURLArtifactProcessorExtensionPoint$LazyURLArtifactProcessor.read(DefaultURLArtifactProcessorExtensionPoint.java:222)
	at org.apache.tuscany.sca.contribution.processor.ExtensibleURLArtifactProcessor.read(ExtensibleURLArtifactProcessor.java:96)
	at org.apache.tuscany.sca.contribution.service.impl.ContributionServiceImpl.processReadPhase(ContributionServiceImpl.java:541)
	at org.apache.tuscany.sca.contribution.service.impl.ContributionServiceImpl.addContribution(ContributionServiceImpl.java:419)
	at org.apache.tuscany.sca.contribution.service.impl.ContributionServiceImpl.contribute(ContributionServiceImpl.java:198)
	at org.apache.geronimo.tuscany.EmbeddedRuntimeGBean.doStart(EmbeddedRuntimeGBean.java:90)
...

I guess there will also be problems when a directory inside the jar has a dot in its name.
 It is better to eliminate invalid class names while creating the list of classes.

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