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Posted to dev@commons.apache.org by "Torsten Curdt (JIRA)" <ji...@apache.org> on 2006/09/23 18:30:25 UTC
[jira] Resolved: (SANDBOX-174) ClassFormatException during Javaflow
class enhancement
[ http://issues.apache.org/jira/browse/SANDBOX-174?page=all ]
Torsten Curdt resolved SANDBOX-174.
-----------------------------------
Resolution: Fixed
Patch applied. Please verify and close
> ClassFormatException during Javaflow class enhancement
> ------------------------------------------------------
>
> Key: SANDBOX-174
> URL: http://issues.apache.org/jira/browse/SANDBOX-174
> Project: Commons Sandbox
> Issue Type: Bug
> Components: JCI
> Reporter: Maurizio Pillitu
> Assigned To: Torsten Curdt
> Attachments: commons-jci.diff
>
>
> org.apache.bcel.classfile.ClassFormatException: null is not a Java .class file
> at org.apache.bcel.classfile.ClassParser.readID(ClassParser.java:286)
> at org.apache.bcel.classfile.ClassParser.parse(ClassParser.java:155)
> at org.apache.commons.javaflow.bytecode.transformation.bcel.BcelClassTransformer.transform(BcelClassTransformer.java:117)
> at org.apache.commons.javaflow.stores.TransformingResourceStore.write(TransformingResourceStore.java:50)
> at org.apache.commons.javaflow.stores.JavaflowResourceStore.onStop(JavaflowResourceStore.java:81)
> at org.apache.cocoon.components.flow.java.JavaflowResourceStore.onStop(JavaflowResourceStore.java:101)
> at org.apache.commons.jci.listeners.ReloadingListener.onStop(ReloadingListener.java:120)
> at org.apache.commons.jci.monitor.FilesystemAlterationMonitor.onStop(FilesystemAlterationMonitor.java:261)
> at org.apache.commons.jci.monitor.FilesystemAlterationMonitor.run(FilesystemAlterationMonitor.java:420)
> at java.lang.Thread.run(Thread.java:595)
> The exception is triggered because the bytecode of the .class file is not recognized; the error resides in org.apache.commons.jci.listeners.ReloadingListener, that uses a FileReader to read the file and converts it in a stream of characters :
> .........
> final File file = (File) it.next();
> try {
> final byte[] bytes = IOUtils.toByteArray(new FileReader(file));
> final String resourceName = ReloadingClassLoader.clazzName(repository, file);
> //if (resourceName.endsWith(".class")) {
> store.write(resourceName, bytes);
> ........
> Using FileInputStream it works correctly; all relevant tests work.
> Attaching patch.
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