With Hot Method Replace, you can modify your source code
while debugging without restarting the application or server.
Restriction: This page only applies to WebSphere Application Server
Version 6.0.x or earlier. Hot Method Replace is enabled by default for WebSphere
Application Server Version 6.1 or later.
To enable hot method replace for WebSphere® Application Servers started
from within IBM® Rational® Software
Development Platform: In the Overview tab for the server editor, ensure that
the Enable hot method replace in debug mode check box
is selected.
To enable hot method replace when starting WebSphere Application Servers from
outside IBM Rational Software
Development Platform:
- In the Administrative Console, go to the Debugging Service page for your
server.
- Ensure that the Enable service at server startup or Startup check
box is selected.
- In the arguments field, add the following argument to the beginning of
the arguments list: -Xj9 -Dcom.ibm.ws.classloader.j9enabled=true
- Restart the server.
When debugging applications on WebSphere Application Server using
hot method replace, there are some limitations. To learn about these limitations,
see the WebSphere Application
Server debug limitations topic.