What kind of object is BTBugdataTableData. It is throwing an exception
because it is not serializable. Did you make it implement Serializable?
Jay Wagner
Sybase Inc.
-----Original Message-----
From: Puri, Ketan [mailto:[EMAIL PROTECTED]]
Sent: Monday, August 28, 2000 11:22 AM
To: [EMAIL PROTECTED]
Subject: exception while running the client
hi
when i run my client program as below.
it throws remote exception.
can any one help me out.
package bugtracker.entitybean.bugdatabean;
import java.lang.*;
import java.rmi.RemoteException;
import java.util.Enumeration;
import java.util.Properties;
import java.util.Vector;
import java.sql.Timestamp;
import javax.ejb.CreateException;
import javax.ejb.EJBException;
import javax.ejb.FinderException;
import javax.ejb.ObjectNotFoundException;
import javax.ejb.RemoveException;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.rmi.PortableRemoteObject;
public class Client {
BTBugdataHome home = null;
public Client() {
try {
Properties prop = System.getProperties();
prop.put(Context.INITIAL_CONTEXT_FACTORY,
"weblogic.jndi.T3InitialContextFactory");
prop.put(Context.PROVIDER_URL, "t3://localhost:7001");
Context ctx = new InitialContext(prop);
home = (BTBugdataHome) ctx.lookup("bugdataHome");
} catch (NamingException ne) {
log("Unable to look up the beans home: " + ne.getMessage());
System.exit(1);
}
log("Home Found...");
}
public void viewData() {
BTBugdataTableData tableData = new BTBugdataTableData();
tableData.setReportedBy(1);
Enumeration iterator = null;
try {
iterator = home.findByAnyKey(tableData);
while(iterator.hasMoreElements()) {
System.out.println("Found a record");
//BTBugdata _bugdata = (BTBugdata)
PortableRemoteObject.narrow(iterator.nextElement(), BTBugdata.class);
//BTBugdataTableData _data = _bugdata.getBugDataObject();
//_data.print();
}
} catch(Exception ex) {
ex.printStackTrace();
}
}
public void createData() {
BTBugdataTableData tableData = new BTBugdataTableData();
tableData.setProjectId(1);
tableData.setModuleId(1);
tableData.setReportedBy(1);
tableData.setDateReported(new Timestamp(new
java.util.Date().getTime()));
tableData.setBugDescription("Nitin is Great");
log("creating Bug...");
try {
BTBugdata _bugdata = (BTBugdata)
PortableRemoteObject.narrow(home.create(tableData), BTBugdata.class);
} catch(Exception ex) {
ex.printStackTrace();
}
}
private static void log(String s) {
System.out.println(s);
}
public static void main(String args[]) {
System.out.println("\nBeginning beanManaged.Client...\n");
Client client = new Client();
client.createData();
client.viewData();
System.out.println("\nEnd beanManaged.Client...\n");
}
}
===============================on execution------====================
Beginning beanManaged.Client...
java.rmi.RemoteException: ; nested exception is:
weblogic.rmi.MarshalException: error marshalling arguments
- with nested exception:
[java.io.IOException: Class
bugtracker.entitybean.bugdatabean.BTBugdataTableData with code=123 does
not implement Serializable, Externalizable or WLSerializable]
java.io.IOException: Class
bugtracker.entitybean.bugdatabean.BTBugdataTableData with code=123 does n
ot implement Serializable, Externalizable or WLSerializable
at
weblogic.common.internal.WLObjectOutputStreamBase.writeObjectBody(WLObjectOu
tputStreamBas
e.java, Compiled Code)
at
weblogic.common.internal.WLObjectOutputStreamBase.writeObject(WLObjectOutput
StreamBase.ja
va, Compiled Code)
at
weblogic.common.internal.WLObjectOutputStreamBase.writeObjectWL(WLObjectOutp
utStreamBase.
java, Compiled Code)
at
weblogic.rmi.extensions.AbstractOutputStream2.writeObject(AbstractOutputStre
am2.java:82)
at
weblogic.rmi.extensions.AbstractOutputStream.writeObject(AbstractOutputStrea
m.java:83)
at
bugtracker.entitybean.bugdatabean.BTBugdataBeanHomeImpl_WLStub.findByAnyKey(
BTBugdataBean
HomeImpl_WLStub.java:269)
at
bugtracker.entitybean.bugdatabean.BTBugdataBeanHomeImpl_ServiceStub.findByAn
yKey(BTBugdat
aBeanHomeImpl_ServiceStub.java, Compiled Code)
at bugtracker.entitybean.bugdatabean.Client.main(Client.java,
Compiled Code)
--------------- nested within: ------------------
weblogic.rmi.MarshalException: error marshalling arguments
- with nested exception:
[java.io.IOException: Class
bugtracker.entitybean.bugdatabean.BTBugdataTableData with code=123 does
not implement Serializable, Externalizable or WLSerializable]
at
bugtracker.entitybean.bugdatabean.BTBugdataBeanHomeImpl_WLStub.findByAnyKey(
BTBugdataBean
HomeImpl_WLStub.java:273)
at
bugtracker.entitybean.bugdatabean.BTBugdataBeanHomeImpl_ServiceStub.findByAn
yKey(BTBugdat
aBeanHomeImpl_ServiceStub.java, Compiled Code)
at bugtracker.entitybean.bugdatabean.Client.main(Client.java,
Compiled Code)
Exception in thread "main" java.lang.NullPointerException
at bugtracker.entitybean.bugdatabean.Client.main(Client.java,
Compiled Code)
C:\bugtracker\entitybean\bugdatabean>
Ketan Puri
Associate
HCL Perot Systems
(Youngest CMM Level 5 company)
Ph 91-11-91 4581236-41 Ext. 3240
[EMAIL PROTECTED], [EMAIL PROTECTED]
NOIDA, INDIA.
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