NullPointerException while deployment

[anike...@gmail.com]

Hi,

I am using WSAD 5.1, I generating deployment code but gives following exception. I found some patches for WAS 5.1 but can I implement that on WSAD.
Please help me in this.

>com.ibm.etools.ejbdeploy.EJBDeploymentException (Error during generation of deployment code: null.)
java.lang.NullPointerException
at java.lang.Throwable.<init>(Throwable.java)
at java.lang.Throwable.<init>(Throwable.java)
at java.lang.NullPointerException.<init>(NullPointerException.java:63)
at com.ibm.ObjectQuery.crud.schema.DataStoreMap.targetTypeSet(DataStoreMap.java:782)
at com.ibm.ObjectQuery.crud.schema.QueryGenConfigInfo.reset(QueryGenConfigInfo.java:186)
at com.ibm.ObjectQuery.crud.schema.DataStoreMap.initialize(DataStoreMap.java:105)
at com.ibm.ObjectQuery.crud.schema.DataStoreMap.<init>(DataStoreMap.java:63)
at com.ibm.ObjectQuery.crud.schema.DataStoreMap.singletonFor(DataStoreMap.java:751)
at com.ibm.etools.ejbdeploy.plugin.EJBDeployOperation.generateQueries(EJBDeployOperation.java:1680)
at com.ibm.etools.ejbdeploy.plugin.EJBDeployOperation.getClassMapsForBackend(EJBDeployOperation.java:1648)
at com.ibm.etools.ejbdeploy.plugin.EJBDeployOperation.doRun(EJBDeployOperation.java:1372)
at com.ibm.etools.ejbdeploy.plugin.EJBDeployOperation.run(EJBDeployOperation.java:1239)
at com.ibm.etools.ejbdeploy.ui.plugin.DeployRMICBeansOperation.generateDeployCode(DeployRMICBeansOperation.java:304)
at com.ibm.etools.ejbdeploy.ui.plugin.DeployRMICBeansOperation.run(DeployRMICBeansOperation.java:570)
at com.ibm.etools.ejbdeploy.ui.plugin.DeployEarOperation.deployEar(DeployEarOperation.java:81)
at com.ibm.etools.ejbdeploy.ui.plugin.DeployEarOperation.run(DeployEarOperation.java:58)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1595)
at com.ibm.etools.ejbdeploy.ui.plugin.DeployRunnableWithProgress.run(DeployRunnableWithProgress.java:92)
at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:101)