[jboss-jira] [JBoss JIRA] Created: (JASSIST-88) It is not possible to instrument class Object because of: [source error] cannot find the super class of java.lang.Object
It is not possible to instrument class Object because of: [source error] cannot find the
super class of java.lang.Object
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Key: JASSIST-88
URL: https://jira.jboss.org/jira/browse/JASSIST-88
Project: Javassist
Issue Type: Bug
Affects Versions: 3.10.0.GA
Reporter: Martin Burger
Assignee: Shigeru Chiba
I would like to instrument the constructor in class Object. However, class MemberResolver
(part of Javassist's compiler) cannot find its superclass. Of course, there is no
superclass.
Exception:
javassist.CannotCompileException: [source error] cannot find the super class of
java.lang.Object
at javassist.CtBehavior.setBody(CtBehavior.java:368)
at javassist.CtBehavior.setBody(CtBehavior.java:334)
at javassist.CtConstructor.setBody(CtConstructor.java:216)
at
de.unisb.cs.st.deltadebugging.jinsi.agent.capture.CaptureAgent.premain(CaptureAgent.java:33)
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
sun.instrument.InstrumentationImpl.loadClassAndStartAgent(InstrumentationImpl.java:323)
at
sun.instrument.InstrumentationImpl.loadClassAndCallPremain(InstrumentationImpl.java:338)
Caused by: compile error: cannot find the super class of java.lang.Object
at javassist.compiler.MemberResolver.getSuperclass(MemberResolver.java:490)
at javassist.compiler.MemberCodeGen.insertDefaultSuperCall(MemberCodeGen.java:80)
at javassist.compiler.CodeGen.atMethodBody(CodeGen.java:288)
at javassist.compiler.Javac.compileBody(Javac.java:222)
at javassist.CtBehavior.setBody(CtBehavior.java:360)
... 9 more
In javassist.compiler.CodeGen.atMethodBody(Stmnt, boolean, boolean) the call to method
javassist.compiler.CodeGen.needsSuperCall(Stmnt) should return false instead of true, I
assume. At least this seems to be the location where this bug could be fixed.
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