We want to use 'ssh-slave' capabilities.
During tests, we've made a release and an error occurred :

...
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 4.850s
[INFO] Finished at: Mon Jun 03 10:34:06 CEST 2013
[INFO] Final Memory: 10M/24M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-release-plugin:2.2.1:prepare (default-cli) on project myjob: Unable to check for local modifications
[ERROR] Provider message:
[ERROR] The svn command failed.
[ERROR] Command output:
[ERROR] /bin/sh: svn: not found
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException

The main build is a maven type build and works well if I launch a classic build.
If I rollback to JNLP strategy to connect slaves, the release is OK.

Thanks