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Usually, the easiest way to debug Karaf or any application deployed onto it is to use remote debugging.
Remote debugging can be easily activated by setting the SERVICEMIXKARAF_DEBUG environment variable to TRUE.

This can be done using the following command on Unix systems:

export SERVICEMIXKARAF_DEBUG=true

On Windows, use the following command

set SERVICEMIXKARAF_DEBUG=true

Then, you can launch ServiceMix runtime Karaf using the usual way:

bin/servicemixkaraf

or

bin\servicemixkaraf.bat

Last, inside your IDE, connect to the remote application (the default port to connect to is 5005).

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You need a few steps to be able to profile ServiceMix Runtime Karaf using YourKit.
The first one is to edit the etc/config.properties configuration file and add the following property:

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set JAVA_OPTS='-Xmx512M -agentlib:yjpagent'

Run ServiceMix Karaf from the console, and you should now be able to connect using YourKit standalone or from your favorite IDE.

5.1. Troubleshooting, Debugging and Profiling#top

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