https://sourceforge.net/p/mandarax/feature-requests/4/2003-06-02T07:31:03ZRecent changes to 4: Serializable ResultSet2003-06-02T07:31:03Z2003-06-02T07:31:03ZJens Fendlerhttps://sourceforge.net/u/jfendler/https://sourceforge.netc8808254308b9b0996207ba740ab88a0812965cd

<div class="markdown_content"><p>Within a MVC web application I get the ResultSet within a <br /> Sevlet and would like to attach it to the Session object to be <br /> displayed to the user from a JSP. <br /> Since the ResultSets aren't serializable, I get the following <br /> stack trace: </p> <p>2003-06-01 15:18:17 StandardManager[/Chameleon] <br /> Exception loading sessions from persistent storage <br /> java.io.WriteAbortedException: writing aborted; <br /> java.io.NotSerializableException: <br /> org.mandarax.reference.ResultSetImpl2 <br /> at <br /> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1278) <br /> at <br /> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1845) <br /> at <br /> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1769) <br /> at <br /> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646) <br /> at <br /> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274) <br /> at <br /> java.io.ObjectInputStream.readArray(ObjectInputStream.java:1603) <br /> at <br /> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1271) <br /> at <br /> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1845) <br /> at <br /> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1769) <br /> at <br /> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646) <br /> at <br /> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274) <br /> at <br /> java.io.ObjectInputStream.readObject(ObjectInputStream.java:324) <br /> at <br /> org.apache.catalina.session.StandardSession.readObject(StandardSession.java:1369) <br /> at <br /> org.apache.catalina.session.StandardSession.readObjectData(StandardSession.java:864) <br /> at <br /> org.apache.catalina.session.StandardManager.load(StandardManager.java:440) <br /> at <br /> org.apache.catalina.session.StandardManager.start(StandardManager.java:655) <br /> at <br /> org.apache.catalina.core.StandardContext.start(StandardContext.java:3570) <br /> at <br /> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188) <br /> at <br /> org.apache.catalina.core.StandardHost.start(StandardHost.java:738) <br /> at <br /> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188) <br /> at <br /> org.apache.catalina.core.StandardEngine.start(StandardEngine.java:347) <br /> at <br /> org.apache.catalina.core.StandardService.start(StandardService.java:497) <br /> at <br /> org.apache.catalina.core.StandardServer.start(StandardServer.java:2190) <br /> at <br /> org.apache.catalina.startup.Catalina.start(Catalina.java:512) <br /> at <br /> org.apache.catalina.startup.Catalina.execute(Catalina.java:400) <br /> at <br /> org.apache.catalina.startup.Catalina.process(Catalina.java:180) <br /> at <br /> sun.reflect.NativeMethodAccessorImpl.invoke0(Native <br /> Method) <br /> at <br /> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) <br /> at <br /> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) <br /> at java.lang.reflect.Method.invoke(Method.java:324) <br /> at <br /> org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203) <br /> Caused by: java.io.NotSerializableException: <br /> org.mandarax.reference.ResultSetImpl2 <br /> at <br /> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1054) <br /> at <br /> java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1332) <br /> at <br /> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1304) <br /> at <br /> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1247) <br /> at <br /> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1052) <br /> at <br /> java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1224) <br /> at <br /> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1050) <br /> at <br /> java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1332) <br /> at <br /> java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:367) <br /> at java.util.Vector.writeObject(Vector.java:1017) <br /> at <br /> sun.reflect.NativeMethodAccessorImpl.invoke0(Native <br /> Method) <br /> at <br /> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) <br /> at <br /> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) <br /> at java.lang.reflect.Method.invoke(Method.java:324) <br /> at <br /> java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:809) <br /> at <br /> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1296) <br /> at <br /> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1247) <br /> at <br /> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1052) <br /> at <br /> java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:278) <br /> at <br /> org.apache.catalina.session.StandardSession.writeObject(StandardSession.java:1439) <br /> at <br /> org.apache.catalina.session.StandardSession.writeObjectData(StandardSession.java:881) <br /> at <br /> org.apache.catalina.session.StandardManager.unload(StandardManager.java:536) <br /> at <br /> org.apache.catalina.session.StandardManager.stop(StandardManager.java:691) <br /> at <br /> org.apache.catalina.core.StandardContext.stop(StandardContext.java:3665) <br /> at <br /> org.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:1036) <br /> at <br /> org.apache.catalina.core.StandardHostDeployer.remove(StandardHostDeployer.java:470) <br /> at <br /> org.apache.catalina.core.StandardHost.remove(StandardHost.java:852) <br /> at <br /> org.apache.catalina.startup.HostConfig.undeployApps(HostConfig.java:758) <br /> at <br /> org.apache.catalina.startup.HostConfig.stop(HostConfig.java:738) <br /> at <br /> org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:360) <br /> at <br /> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:166) <br /> at <br /> org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1221) <br /> at <br /> org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1233) <br /> at <br /> org.apache.catalina.core.StandardService.stop(StandardService.java:554) <br /> at <br /> org.apache.catalina.core.StandardServer.stop(StandardServer.java:2225) <br /> at <br /> org.apache.catalina.startup.Catalina.start(Catalina.java:543) <br /> ... 7 more </p> <p>If there's no way around it, I could still generate the <br /> ResultSet in the JSP only and immediately display it - <br /> however, this wouldn't be a nice solution. <br /> Is there an easy way to serialize the ResultSet? </p></div>