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
