Uploaded image for project: 'ZK Spreadsheet'
  1. ZK Spreadsheet
  2. ZSS-1094

Many Classes do not implement the Serializable Interface and in Cluster mode Fails

    Details

      Description

      When having an application with the ZSS Open Source running on Tomcat 7.x in cluster mode, since the class org.zkoss.zss.ui.impl.ua.ApplyBorderHandler is not serializable, session objects between servers can synchronize failing and compromising the cluster and the load balancer settings, because if a server fails, the session cannot be restored for the whole application even though the ZSS is a part of the whole application.

      PLEASE MAKE ALL CLASSES SERIALIZABLE ! this doesn't take long and will help on scenarios like this.

      The following is the error

      SEVERE: Unable to serialize delta request for sessionid [3043B07147067501637ED93F7506BFBF]
      java.io.NotSerializableException: org.zkoss.zss.ui.impl.ua.ApplyBorderHandler
      at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1184)
      at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
      at java.util.LinkedList.writeObject(LinkedList.java:1131)
      at sun.reflect.GeneratedMethodAccessor93.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:497)
      at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:988)
      at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
      at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
      at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
      at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
      at java.util.HashMap.internalWriteEntries(HashMap.java:1777)
      at java.util.HashMap.writeObject(HashMap.java:1354)
      at sun.reflect.GeneratedMethodAccessor78.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:497)
      at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:988)
      at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
      at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
      at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
      at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
      at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
      at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
      at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
      at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
      at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
      at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
      at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
      at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
      at org.zkoss.zk.ui.AbstractComponent.writeObject(AbstractComponent.java:3011)
      at sun.reflect.GeneratedMethodAccessor92.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:497)
      at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:988)
      at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
      at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
      at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
      at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
      at org.zkoss.zk.ui.AbstractComponent.writeObject(AbstractComponent.java:3011)
      at sun.reflect.GeneratedMethodAccessor92.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:497)
      at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:988)
      at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
      at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
      at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
      at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
      at org.zkoss.zk.ui.AbstractComponent.writeObject(AbstractComponent.java:3011)
      at sun.reflect.GeneratedMethodAccessor92.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:497)
      at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:988)
      at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
      at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
      at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
      at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
      at org.zkoss.zk.ui.AbstractComponent.writeObject(AbstractComponent.java:3011)
      at sun.reflect.GeneratedMethodAccessor92.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:497)
      at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:988)
      at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
      at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
      at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
      at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
      at org.zkoss.zk.ui.AbstractComponent.writeObject(AbstractComponent.java:3011)
      at sun.reflect.GeneratedMethodAccessor92.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:497)
      at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:988)
      at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
      at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
      at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
      at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
      at org.zkoss.zk.ui.AbstractPage.writeObject(AbstractPage.java:232)
      at sun.reflect.GeneratedMethodAccessor150.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:497)
      at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:988)
      at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
      at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
      at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
      at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
      at java.util.LinkedList.writeObject(LinkedList.java:1131)
      at sun.reflect.GeneratedMethodAccessor93.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:497)
      at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:988)
      at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
      at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
      at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
      at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
      at java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:441)
      at org.zkoss.zk.ui.impl.DesktopImpl.writeObject(DesktopImpl.java:1044)
      at sun.reflect.GeneratedMethodAccessor163.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:497)
      at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:988)
      at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
      at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
      at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
      at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
      at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
      at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
      at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
      at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
      at java.util.LinkedHashMap.internalWriteEntries(LinkedHashMap.java:333)
      at java.util.HashMap.writeObject(HashMap.java:1354)
      at sun.reflect.GeneratedMethodAccessor78.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:497)
      at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:988)
      at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
      at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
      at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
      at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
      at java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:441)
      at org.zkoss.util.CacheMap.writeObject(CacheMap.java:633)
      at sun.reflect.GeneratedMethodAccessor162.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:497)
      at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:988)
      at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
      at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
      at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
      at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
      at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
      at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
      at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
      at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
      at org.zkoss.zk.ui.http.SimpleSession.writeThis(SimpleSession.java:433)
      at org.zkoss.zk.ui.http.SerializableSession.writeObject(SerializableSession.java:71)
      at sun.reflect.GeneratedMethodAccessor161.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:497)
      at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:988)
      at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
      at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
      at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
      at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
      at org.apache.catalina.ha.session.DeltaRequest$AttributeInfo.writeExternal(DeltaRequest.java:392)
      at org.apache.catalina.ha.session.DeltaRequest.writeExternal(DeltaRequest.java:285)
      at org.apache.catalina.ha.session.DeltaRequest.serialize(DeltaRequest.java:299)
      at org.apache.catalina.ha.session.DeltaManager.serializeDeltaRequest(DeltaManager.java:623)
      at org.apache.catalina.ha.session.DeltaManager.requestCompleted(DeltaManager.java:1066)
      at org.apache.catalina.ha.session.DeltaManager.requestCompleted(DeltaManager.java:1031)
      at org.apache.catalina.ha.tcp.ReplicationValve.send(ReplicationValve.java:539)
      at org.apache.catalina.ha.tcp.ReplicationValve.sendMessage(ReplicationValve.java:526)
      at org.apache.catalina.ha.tcp.ReplicationValve.sendSessionReplicationMessage(ReplicationValve.java:508)
      at org.apache.catalina.ha.tcp.ReplicationValve.sendReplicationMessage(ReplicationValve.java:421)
      at org.apache.catalina.ha.tcp.ReplicationValve.invoke(ReplicationValve.java:345)
      at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
      at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
      at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
      at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      at java.lang.Thread.run(Thread.java:745)

        Activity

        Hide
        henrichen henrichen added a comment -

        Fixed.

        Show
        henrichen henrichen added a comment - Fixed.

          People

          • Assignee:
            henrichen henrichen
            Reporter:
            JoseWalker JoseWalker
          • Votes:
            0 Vote for this issue
            Watchers:
            2 Start watching this issue

            Dates

            • Created:
              Updated:
              Resolved:

              Time Tracking

              Estimated:
              Original Estimate - 2 hours
              2h
              Remaining:
              Remaining Estimate - 1 hour
              1h
              Logged:
              Time Spent - Not Specified Time Not Required
              Not Specified