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From "Emmanuel Bourg (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (BCEL-173) ClassParser fails to parse JDK classes in Java 8: ClassFormatException: Invalid byte tag in constant pool
Date Sat, 19 Apr 2014 21:31:16 GMT

     [ https://issues.apache.org/jira/browse/BCEL-173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Emmanuel Bourg resolved BCEL-173.
---------------------------------

       Resolution: Fixed
    Fix Version/s: 6.0

I confirm it works on the trunk since invokedynamic support has been implemented.

> ClassParser fails to parse JDK classes in Java 8: ClassFormatException: Invalid byte
tag in constant pool
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: BCEL-173
>                 URL: https://issues.apache.org/jira/browse/BCEL-173
>             Project: Commons BCEL
>          Issue Type: Bug
>    Affects Versions: 5.0, 5.1, 5.2
>            Reporter: David Carr
>             Fix For: 6.0
>
>         Attachments: bcel-bug.tgz
>
>
> See attached sample project that reproduces the failure.  On Java 7, it prints info about
the ConcurrentMap class.  On Java 8, it encounters the following exception:
> {code}
> Exception in thread "main" org.apache.bcel.classfile.ClassFormatException: Invalid byte
tag in constant pool: 18
> 	at org.apache.bcel.classfile.Constant.readConstant(Constant.java:146)
> 	at org.apache.bcel.classfile.ConstantPool.<init>(ConstantPool.java:67)
> 	at org.apache.bcel.classfile.ClassParser.readConstantPool(ClassParser.java:222)
> 	at org.apache.bcel.classfile.ClassParser.parse(ClassParser.java:136)
> 	at TestMain.main(TestMain.java:11)
> {code}
> To use the sample project, extract it and then run "./gradlew clean run".



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