2009-01-20 11:16:08,437: ERROR [org.jahia.ajax.gwt.filemanagement.server.helper.FileManagerWorker] - javax.jcr.InvalidItemStateException: ed5e53fb-ada8-43a0-8686-06c47dbdb8ce: the item cannot be saved because it has been modified externally.
javax.jcr.InvalidItemStateException: ed5e53fb-ada8-43a0-8686-06c47dbdb8ce: the item cannot be saved because it has been modified externally.
        at org.apache.jackrabbit.core.ItemImpl.getTransientStates(ItemImpl.java:246)
        at org.apache.jackrabbit.core.ItemImpl.save(ItemImpl.java:928)
        at org.apache.jackrabbit.core.SessionImpl.save(SessionImpl.java:839)
        at org.jahia.services.content.JCRItemWrapperImpl.saveSession(JCRItemWrapperImpl.java:138)
        at org.jahia.services.content.JCRNodeDecorator.saveSession(JCRNodeDecorator.java:612)
        at org.jahia.ajax.gwt.filemanagement.server.helper.JCRZipTools.doUnzipContent(JCRZipTools.java:187)
        at org.jahia.ajax.gwt.filemanagement.server.helper.JCRZipTools.unzipFile(JCRZipTools.java:152)
        at org.jahia.ajax.gwt.filemanagement.server.helper.FileManagerWorker.unzip(FileManagerWorker.java:1083)
        at org.jahia.ajax.gwt.filemanagement.server.JahiaNodeServiceImpl.unzip(JahiaNodeServiceImpl.java:206)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:527)
        at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:164)
        at com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost(RemoteServiceServlet.java:86)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
        at org.jahia.ajax.gwt.commons.server.AbstractJahiaGWTServiceImpl.service(AbstractJahiaGWTServiceImpl.java:92)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
        at org.jahia.ajax.gwt.commons.server.AbstractJahiaGWTServiceImpl.service(AbstractJahiaGWTServiceImpl.java:98)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.jahia.bin.filters.jcr.JcrSessionFilter.doFilter(JcrSessionFilter.java:56)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:164)
        at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:141)
        at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:90)
        at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:417)
        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.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:568)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
        at java.lang.Thread.run(Thread.java:619)