I defined an ActionForm of which it has a FormFile. Prepopulation is
not needed for this ActionForm. Configuring this ActionForm is similar
to any other forms and here is the exception. I get this exception
when I startup/shutdown Tomcat.
ActionForm:
public class UploadForm extends ActionForm {
protected String fileName;
protected FormFile file;
public getFileName() { return fileName; }
public void setFileName(String fileName) { this.fileName = fileName; }
public getFile() { return file;}
public void setFile(FormFile file) { this.file = file; }
}
Struts config:
<form-bean name="uploadForm" type="localhost.UploadForm" />
Exception:
2005-11-11 09:45:30,000 WARN
[ContainerBase.[Catalina].[localhost].[/]] - Cannot serialize session
attribute uploadForm for session 0556C80B681118276F9F2B02FEC497E0
java.io.NotSerializableException:
org.apache.commons.fileupload.DeferredFileOutputStream
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.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.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:1445)
at
org.apache.catalina.session.StandardSession.writeObjectData(StandardSession.java:920)
at
org.apache.catalina.session.StandardManager.doUnload(StandardManager.java:516)
at
org.apache.catalina.session.StandardManager.unload(StandardManager.java:462)
at
org.apache.catalina.session.StandardManager.stop(StandardManager.java:664)
at
org.apache.catalina.core.StandardContext.stop(StandardContext.java:4255)
at
org.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:892)
at
org.apache.catalina.startup.HostConfig.undeployApps(HostConfig.java:1143)
at org.apache.catalina.startup.HostConfig.stop(HostConfig.java:1115)
at
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:313)
at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1053)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1065)
at org.apache.catalina.core.StandardEngine.stop(StandardEngine.java:447)
at
org.apache.catalina.core.StandardService.stop(StandardService.java:512)
at org.apache.catalina.core.StandardServer.stop(StandardServer.java:717)
at org.apache.catalina.startup.Catalina.stop(Catalina.java:586)
at org.apache.catalina.startup.Catalina.start(Catalina.java:561)
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:271)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)
Thanks,
Ben
On 11/11/05, Laurie Harper <[EMAIL PROTECTED]> wrote:
> Ben wrote:
> > Hi
> >
> > Could someone please let me know how to make FormFile work in the
> > session scope? It always gives me Serializable exception.
> >
> > I need to use FormFile in session scope.
>
> FormFile is an interface, so I assume it's the particular implementation
> you're working with that's failing to serialize. How have you configured
> your action form in struts-config.xml, how are you populating it, and
> what is the full trace of the exception you're getting?
>
> L.
>
>
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