[aspectj-users] Handle Unable to pack method, jump in aspectj

[Krishna Jasty <krishna.jasty@xxxxxxx>]

Hi,

When i use the aspectj in our application,
i am facing the following exception.
Caused by: java.lang.IllegalStateException:
Unable to pack method, jump (with opcode=158) is too far: 32089
        at
org.aspectj.apache.bcel.generic.InstructionBranch.updatePosition(InstructionBranch.java:176)
        at
org.aspectj.apache.bcel.generic.BranchHandle.updatePosition(BranchHandle.java:101)
        at
org.aspectj.apache.bcel.generic.InstructionList.setPositions(InstructionList.java:919)
        at
org.aspectj.apache.bcel.generic.InstructionList.setPositions(InstructionList.java:863)
        at
org.aspectj.apache.bcel.generic.InstructionList.getByteCode(InstructionList.java:981)
        at
org.aspectj.apache.bcel.generic.MethodGen.getMethod(MethodGen.java:697)
        ...
68 more

When i check the aspectj source code,
it looks as follows.
 protected int updatePosition(int
offset, int max_offset)
  {
    int i = getTargetOffset();

    this.positionOfThisInstruction
+= offset;

    if ((Math.abs(i) >=
32767 - max_offset) && (this.opcode != 201) && (this.opcode
!= 200))
    {
      if ((this.opcode
== 168) || (this.opcode == 167)) {
        if (this.opcode
== 168)
          this.opcode
= 201;
        else {
          this.opcode
= 200;
        }
        return 2;
      }
      throw new IllegalStateException("Unable
to pack method, jump (with opcode=" + this.opcode + ") is too
far: " + 
        Math.abs(i));
    }

    return 0;
  }


Hi Andy,
What exactly is happening here, can
you share more details on how to avoid this.
Thanks,
Krishna

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