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Alexandre Chatiron edited comment on SANDBOX-476 at 5/9/14 9:07 AM: -------------------------------------------------------------------- Sorry I am new at coding using ASM, but I have noticed something: It seems that in *ContinuationMethodAdapter :: visitCode*, label *frameLabel* is not visited. Should we call *mv.visitLabel(frameLabel);* somewhere ? Any idea how to fix that? was (Author: alexchatiron): Sorry I am new at coding using ASM, but I have noticed something: It seems that in *ContinuationMethodAdapter :: visitCode*, label *frameLabel* is not visited. Should we call *mv.visitLabel(frameLabel);* after *mv.visitJumpInsn(GOTO, frameLabel);* ? > [asm] IllegalStateException: "Undefined label used" with ASM > 4.1 > ------------------------------------------------------------------ > > Key: SANDBOX-476 > URL: https://issues.apache.org/jira/browse/SANDBOX-476 > Project: Commons Sandbox > Issue Type: Bug > Components: Javaflow > Affects Versions: Nightly Builds > Reporter: Alexandre Chatiron > Labels: asm, label > > I want to upgrade Commons Javaflow from ASM 4 to 5 (same problem with 4.1 ) > and I get this exception: > {code} > java.lang.IllegalStateException: Undefined label used > at org.objectweb.asm.util.CheckMethodAdapter.visitMaxs(Unknown Source) > at > org.apache.commons.javaflow.bytecode.transformation.asm.ContinuationMethodAdapter.visitMaxs(ContinuationMethodAdapter.java:313) > at org.objectweb.asm.tree.MethodNode.accept(Unknown Source) > at > org.apache.commons.javaflow.bytecode.transformation.asm.ContinuationMethodAnalyzer.visitEnd(ContinuationMethodAnalyzer.java:140) > {code} > the code triggering this error is: > {code:java} > public void visitMaxs(int maxStack, int maxLocals) { > Label endLabel = new Label(); > mv.visitLabel(endLabel); > mv.visitLocalVariable("__stackRecorder", "L" + STACK_RECORDER + ";", > null, startLabel, endLabel, stackRecorderVar); > mv.visitMaxs(0, 0); > } > {code} > Any idea how to fix that? -- This message was sent by Atlassian JIRA (v6.2#6252)