2013-02-27 14:23:36,293 ERROR info.magnolia.module.exchangesimple.ReceiveFilter : Unable to perform a locking operation on a non-lockable node: /travelAgency/Koeln/ATLASREISEN_13009/employees/Ann-Kathrin-Wiesinger-22498/regions/8680ce01-1459-4836-8
javax.jcr.lock.LockException: Unable to perform a locking operation on a non-lockable node: /travelAgency/Koeln/ATLASREISEN_13009/employees/Ann-Kathrin-Wiesinger-22498/regions/8680ce01-1459-4836-8
        at org.apache.jackrabbit.core.lock.SessionLockManager.checkLockable(SessionLockManager.java:241)
        at org.apache.jackrabbit.core.lock.SessionLockManager.lock(SessionLockManager.java:177)
        at org.apache.jackrabbit.core.NodeImpl.lock(NodeImpl.java:2982)
        at info.magnolia.jcr.wrapper.DelegateNodeWrapper.lock(DelegateNodeWrapper.java:319)
        at info.magnolia.cms.core.DefaultContent.lock(DefaultContent.java:611)
        at info.magnolia.module.exchangesimple.ReceiveFilter.lock(ReceiveFilter.java:932)
        at info.magnolia.module.exchangetransactional.XAReceiveFilter.applyLock(XAReceiveFilter.java:458)
        at info.magnolia.module.exchangesimple.ReceiveFilter.doFilter(ReceiveFilter.java:159)
        at info.magnolia.module.exchangetransactional.XAReceiveFilter.doFilter(XAReceiveFilter.java:87)
        at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:91)
        at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
        at info.magnolia.cms.security.auth.login.LoginFilter.doFilter(LoginFilter.java:93)
        at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:91)
        at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
        at info.magnolia.enterprise.registration.RegistrationFilter.doFilter(RegistrationFilter.java:52)
        at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:91)
        at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
        at info.magnolia.cms.filters.UnicodeNormalizationFilter.doFilter(UnicodeNormalizationFilter.java:90)
        at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:91)
        at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
        at info.magnolia.cms.filters.CosMultipartRequestFilter.doFilter(CosMultipartRequestFilter.java:91)
        at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:61)
        at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
        at info.magnolia.module.devicedetection.filter.DeviceDetectionFilter.doFilter(DeviceDetectionFilter.java:73)
        at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:61)
        at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
        at info.magnolia.cms.filters.ContentTypeFilter.doFilter(ContentTypeFilter.java:102)
        at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:91)
        at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
        at info.magnolia.cms.filters.ContextFilter.doFilter(ContextFilter.java:131)
        at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:91)
        at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:83)
        at info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:67)
        at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:91)
        at info.magnolia.cms.filters.SafeDestroyMgnlFilterWrapper.doFilter(SafeDestroyMgnlFilterWrapper.java:108)
        at info.magnolia.cms.filters.MgnlFilterDispatcher.doDispatch(MgnlFilterDispatcher.java:67)
        at info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:108)
        at info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:94)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
        at java.lang.Thread.run(Thread.java:722)