http://mail-archives.apache.org/mod_mbox/incubator-jspwiki-user/200808.mbox/%[email protected]%3e
2009/4/20 Janne Jalkanen <[email protected]> > The exception is harmless and you can ignore it. You can configure > your Tomcat not to report this exception (I think Harry had the > details). > > JSPWiki uses AJAX quite heavily, e.g. check out the preview > functionality while editing, or the search box. > > /Janne > > On Mon, Apr 20, 2009 at 03:22:07PM +0100, Weijian Fang wrote: > > Hi, > > > > When my jspwiki is stopping, it gives out a lot of warning saying that > > "Cannot serialize session attribute JSONRPCBridge for session ...". > > Please see the log4j record below. > > > > My questions are > > > > 1. why this warning? how to fix it? > > 2. How are JSON/AJAX used in JSPWiki? I am not aware they are used > > anywhere in my jspwiki deployment. > > > > Many thanks in advance! > > > > <log4j:event > logger="org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/]" > > timestamp="1238674309712" level="WARN" thread="main"> > > <log4j:message><![CDATA[Cannot serialize session attribute > > JSONRPCBridge for session > > B8E4DAC41954373BCCF458668BFEDFCC]]></log4j:message> > > <log4j:throwable><![CDATA[java.io.NotSerializableException: > > com.ecyrd.jspwiki.search.SearchManager$JSONSearch > > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075) > > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1369) > > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1341) > > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1284) > > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073) > > at > java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291) > > at java.util.HashMap.writeObject(HashMap.java:985) > > at sun.reflect.GeneratedMethodAccessor34.invoke(Unknown Source) > > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > > at java.lang.reflect.Method.invoke(Method.java:585) > > at > java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:890) > > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1333) > > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1284) > > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073) > > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1369) > > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1341) > > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1284) > > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073) > > at > java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291) > > at > org.apache.catalina.session.StandardSession.writeObject(StandardSession.java:1478) > > at > org.apache.catalina.session.StandardSession.writeObjectData(StandardSession.java:948) > > at > org.apache.catalina.session.StandardManager.doUnload(StandardManager.java:517) > > at > org.apache.catalina.session.StandardManager.unload(StandardManager.java:463) > > at > org.apache.catalina.session.StandardManager.stop(StandardManager.java:667) > > at > org.apache.catalina.core.StandardContext.stop(StandardContext.java:4360) > > at > org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1067) > > at > org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1067) > > at > org.apache.catalina.core.StandardEngine.stop(StandardEngine.java:448) > > at > org.apache.catalina.core.StandardService.stop(StandardService.java:510) > > at > org.apache.catalina.core.StandardServer.stop(StandardServer.java:734) > > at org.apache.catalina.startup.Catalina.stop(Catalina.java:602) > > at org.apache.catalina.startup.Catalina.start(Catalina.java:577) > > 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:585) > > at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295) > > at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433) > > ]]></log4j:throwable> > > </log4j:event> > > > > Cheers, > > > > Weijian >
