Error in changelog when preparing build with distributed build enabled

2010-09-21 07:11:53,023 [pool-2-thread-1] INFO org.apache.continuum.buildagent.taskqueue.execution.PrepareBuildProjectsTaskExecutor - Performing action changelog-agent-project
2010-09-21 07:11:53,024 [pool-2-thread-1] INFO action#changelog-agent-project - Getting changeLog of project: Maven Clean Plugin
2010-09-21 07:11:53,084 [pool-2-thread-1] INFO scmManager - Executing: /bin/sh -c cd /Users/marica/Documents/projects/continuum-trunk/continuum-buildagent/continuum-buildagent-webapp/target/data/build-agent/working-directory/1 && svn --non-interactive log -v -r http://svn.apache.org/repos/asf/maven/plugins/trunk/maven-clean-plugin
2010-09-21 07:11:53,085 [pool-2-thread-1] INFO scmManager - Working directory: /Users/marica/Documents/projects/continuum-trunk/continuum-buildagent/continuum-buildagent-webapp/target/data/build-agent/working-directory/1
2010-09-21 07:11:53,220 [pool-2-thread-1] WARN action#changelog-agent-project - Error getting change log of project Maven Clean Plugin
2010-09-21 07:11:53,221 [pool-2-thread-1] WARN action#changelog-agent-project - Command Output: svn: Syntax error in revision argument 'http://svn.apache.org/repos/asf/maven/plugins/trunk/maven-clean-plugin'

2010-09-21 07:11:53,221 [pool-2-thread-1] WARN action#changelog-agent-project - Provider Message: The svn command failed.