redefine

Load the external *.class files to re-define the loaded peer class in JVM.

Reference: Instrumentation#redefineClasses

Notes: Re-defined classes cannot be restored. There are chances that redefining may fail due to some reasons, for example: there’s new field introduced in the new version of the class, pls. refer to JDK’s documentation for the limitations.

Options

Name Specification
[c:] hashcode of the class loader
[p:] absolute path of the external *.class, multiple paths are separated with 'space'

Usage

redefine -p /tmp/Test.class
redefine -c 327a647b -p /tmp/Test.class /tmp/Test$Inner.class