I think problem occurs because of old disk written Session. I cleaned Tomcat work directory. It works for now.
2009/10/1 Altuğ B. Altıntaş <alt...@gmail.com> > Hi all; > > I have a modal window; In that modal window i put a flash upload tool which > calls a Servlet to post data. > > System works fine. But sometimes it gives java.lang.StackOverflowError. I > couldn't understand this issue. > > Note : Also i increased Tomcat heap size... > My wicket version is 1.4.1 > JDK version : 1.6 > Tomcat 6.x > > > SEVERE: Servlet.service() for servlet default threw exception > java.lang.StackOverflowError > at java.lang.ref.ReferenceQueue.poll(ReferenceQueue.java:82) > at > java.io.ObjectStreamClass.processQueue(ObjectStreamClass.java:2234) > at java.io.ObjectStreamClass.lookup(ObjectStreamClass.java:266) > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1106) > at > java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1338) > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1146) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392) > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392) > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392) > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392) > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392) > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509) > at > java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:416) > at org.apache.wicket.Component.writeObject(Component.java:4447) > at sun.reflect.GeneratedMethodAccessor31.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:945) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1461) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392) > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150) > at > java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1338) > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1146) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392) > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150) > at > java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:326) > at > org.apache.wicket.util.io.IObjectStreamFactory$DefaultObjectStreamFactory$2.writeObjectOverride(IObjectStreamFactory.java:121) > at > java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:322) > at > org.apache.wicket.util.lang.Objects.objectToByteArray(Objects.java:1120) > at > org.apache.wicket.protocol.http.pagestore.AbstractPageStore.serializePage(AbstractPageStore.java:203) > at > org.apache.wicket.protocol.http.pagestore.DiskPageStore.prepareForSerialization(DiskPageStore.java:1190) > at > org.apache.wicket.protocol.http.SecondLevelCacheSessionStore$SecondLevelCachePageMap.writeObject(SecondLevelCacheSessionStore.java:386) > at sun.reflect.GeneratedMethodAccessor42.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:945) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1461) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392) > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150) > at > java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:326) > at java.util.LinkedList.writeObject(LinkedList.java:943) > at sun.reflect.GeneratedMethodAccessor41.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:945) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1461) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392) > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392) > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392) > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392) > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392) > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392) > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150) > at > java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1338) > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1146) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509) > at > java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:416) > at org.apache.wicket.Component.writeObject(Component.java:4447) > at sun.reflect.GeneratedMethodAccessor31.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:945) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1461) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392) > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150) > at > java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1338) > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1146) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392) > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392) > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150) > at > java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1338) > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1146) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392) > at > java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150) > at > java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:326) > at > org.apache.wicket.util.io.IObjectStreamFactory$DefaultObjectStreamFactory$2.writeObjectOverride(IObjectStreamFactory.java:121) > at > java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:322) > at > org.apache.wicket.util.lang.Objects.objectToByteArray(Objects.java:1120) > at > org.apache.wicket.protocol.http.pagestore.AbstractPageStore$PageSerializer.getPageReplacementObject(AbstractPageStore.java:285) > at org.apache.wicket.Page.writeReplace(Page.java:1363) > > Any suggestions ? > -- > Altuğ. > -- Altuğ.
