While accessing RTC Server for accepting Accept changes I get following exception;

$ /home/hudson/Hudson/tools/rtc-scm/jazz/scmtools/eclipse/scm.sh version
Build Id: RTC-I20120911-1740

com.ibm.team.filesystem.cli.core, version 3.1.100.v20120822_0505
Subcommands: help version daemon daemon/start daemon/stop daemon/deregister daemon/register

com.ibm.team.filesystem.cli.client, version 3.1.100.v20120817_2130
Subcommands: load login logout create create/workspace create/baseline create/changeset create/snapshot create/component create/loadrules create/stream changeset changeset/comment changeset/complete changeset/current changeset/relocate changeset/associate changeset/disassociate changeset/suspend changeset/resume changeset/discard changeset/extract changeset/locate change-target change-target/workspace change-target/component change-target/unset-workspace list list/workspaces list/projectareas list/teamareas list/streams list/components list/remotefiles list/credentials list/daemons list/snapshots list/locks list/properties list/changes list/users list/baselines list/changesets list/states checkin accept deliver status conflicts resolve move lastmod share discard undo compare history diff repair workspace workspace/change-target workspace/component workspace/unset workspace/add-components workspace/remove-components workspace/replace-components workspace/delete workspace/unload property property/list property/get property/set property/remove lock lock/list lock/acquire lock/release annotate snapshot snapshot/promote refresh users users/set delete delete/state-content changeaccess extract extract/file

com.ibm.team.filesystem.cli.tools, version 3.1.100.v20120817_2130
Subcommands: tools.verify tools.validate tools.echo.stdin tools.metronome tools.pkgtest tools.configvalue tools.log
FATAL: null
java.lang.NullPointerException
at com.deluan.jenkins.plugins.rtc.commands.AcceptCommand.<init>(AcceptCommand.java:30)
at com.deluan.jenkins.plugins.rtc.JazzClient.accept(JazzClient.java:126)
at com.deluan.jenkins.plugins.rtc.JazzClient.accept(JazzClient.java:107)
at com.deluan.jenkins.plugins.rtc.JazzSCM.checkout(JazzSCM.java:104)
at hudson.model.AbstractProject.checkout(AbstractProject.java:1353)
at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:689)
at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:88)
at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:594)
at hudson.model.Run.execute(Run.java:1567)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:237)