I would like to know if anyone has had any luck modifying a Java methods bytecode at a run-time with JVMTI. JVMTI has a getter for a methods bytecode, but from what I understand it does not have any support for replacing the buffer. Any information would be awesome, thanks.
Using JVMTI to change Java bytecode at a runtime with C++
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You need to register a class file load hook and retransform the classes you want to change.