[jboss-dev-forums] [Javassist development Forum] - Re: Byte code limits?

[mburger]

Hello!

I have similar problems, while instrumenting classes I get various exceptions:

Caused by: java.lang.NullPointerException
  |         at javassist.bytecode.ConstPool.getInterfaceMethodrefClassName(ConstPool.java:413)
  |         at javassist.expr.MethodCall.getClassName(MethodCall.java:91)
  |         at javassist.expr.MethodCall.getCtClass(MethodCall.java:75)
  |         at javassist.expr.MethodCall.getMethod(MethodCall.java:114)

And:

Caused by: java.lang.ClassCastException: javassist.bytecode.ClassInfo
  |         at javassist.bytecode.ConstPool.getFieldrefClassName(ConstPool.java:254)
  |         at javassist.expr.FieldAccess.getClassName(FieldAccess.java:97)
  |         at javassist.expr.FieldAccess.getCtClass(FieldAccess.java:89)
  |         at javassist.expr.FieldAccess.getField(FieldAccess.java:112)

Any idea what causes these failures?

Regards

Martin

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