[jboss-jira] [JBoss JIRA] Updated: (JASSIST-63) The stack map table is not correctly rebuilt for frame type 64-127 and frame type 247.

[Jason Hill (JIRA)]

     [ http://jira.jboss.com/jira/browse/JASSIST-63?page=all ]

Jason Hill updated JASSIST-63:
------------------------------

    Environment: javassist 3.7 java jdk1.6.0_05 on windows xp sp2  (was: java jdk1.6.0_05 on windows xp sp2)

> The stack map table is not correctly rebuilt for frame type 64-127 and frame type 247.
> --------------------------------------------------------------------------------------
>
>                 Key: JASSIST-63
>                 URL: http://jira.jboss.com/jira/browse/JASSIST-63
>             Project: Javassist
>          Issue Type: Bug
>         Environment: javassist 3.7 java jdk1.6.0_05 on windows xp sp2
>            Reporter: Jason Hill
>         Assigned To: Shigeru Chiba
>         Attachments: StackMapFrameModificationTest.java, StackMapFrameModificationTestObject.java
>
>
> I receive the following exception when using javassist to modify the bytecode of an existing class.
> javassist.CannotCompileException: by javassist.bytecode.BadBytecode: bad frame_type in StackMapTable
> 	at javassist.CtClassType.modifyConstructors(CtClassType.java:1457)
> 	at javassist.CtClassType.toBytecode(CtClassType.java:1318)
> 	at javassist.CtClass.toBytecode(CtClass.java:1205)
> 	at javassist.bytecode.test.StackMapFrameModificationTest.frameTypeTest(StackMapFrameModificationTest.java:50)
> 	at javassist.bytecode.test.StackMapFrameModificationTest.testFrameType64To127(StackMapFrameModificationTest.java:13)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at junit.framework.TestCase.runTest(TestCase.java:164)
> 	at junit.framework.TestCase.runBare(TestCase.java:130)
> 	at junit.framework.TestResult$1.protect(TestResult.java:106)
> 	at junit.framework.TestResult.runProtected(TestResult.java:124)
> 	at junit.framework.TestResult.run(TestResult.java:109)
> 	at junit.framework.TestCase.run(TestCase.java:120)
> 	at junit.framework.TestSuite.runTest(TestSuite.java:230)
> 	at junit.framework.TestSuite.run(TestSuite.java:225)
> 	at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:130)
> 	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
> 	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
> 	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
> 	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
> 	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
> Caused by: javassist.bytecode.BadBytecode: bad frame_type in StackMapTable
> 	at javassist.bytecode.StackMapTable$Walker.stackMapFrames(StackMapTable.java:200)
> 	at javassist.bytecode.StackMapTable$Walker.parse(StackMapTable.java:179)
> 	at javassist.bytecode.StackMapTable$Shifter.doit(StackMapTable.java:714)
> 	at javassist.bytecode.StackMapTable.shiftPc(StackMapTable.java:693)
> 	at javassist.bytecode.CodeIterator.insertGap0(CodeIterator.java:676)
> 	at javassist.bytecode.CodeIterator.insertGap(CodeIterator.java:636)
> 	at javassist.bytecode.CodeIterator.insertGapCore(CodeIterator.java:467)
> 	at javassist.bytecode.CodeIterator.insert0(CodeIterator.java:370)
> 	at javassist.bytecode.CodeIterator.insertEx(CodeIterator.java:339)
> 	at javassist.CtClassType.insertAuxInitializer(CtClassType.java:1478)
> 	at javassist.CtClassType.modifyConstructors(CtClassType.java:1453)
> 	... 22 more

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