Java.lang.NullPointerException when click on the Export button

I had created a advance table with a export button to export the data to csv. Both the advance table and the export button point to the same view. The advance table region works correctly and show all the necessary transactions, but when I click on the Export button I get the following error
oracle.apps.fnd.framework.OAException: Application: FND, Message Name: FND_GENERIC_MESSAGE. Tokens: MESSAGE = java.lang.NullPointerException; at oracle.apps.fnd.framework.OAException.wrapperException(Unknown Source) at oracle.apps.fnd.framework.OAException.wrapperException(Unknown Source) at OAErrorPage.jspService(_OAErrorPage.java:80) at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:59) at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:462) at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:594) at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:518) at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
Do anyone can help. Thanks in advance
Regards
Lawrence

It was and Oracle bug#6469196/5880921. I installed patch#5880921 and It foxed the proble.

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2009/4/27 上午 08:53:52 /userOut/deploy (com.sap.ide.eclipse.sdm.threading.DeployThreadManager) [Thread[Deploy Thread,5,main]] ERROR:
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2009/4/27 上午 08:53:52 /userOut/deploy (com.sap.ide.eclipse.sdm.threading.DeployThreadManager) [Thread[Deploy Thread,5,main]] INFO:
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<!LOGHEADER[START]/>
<!HELP[Manual modification of the header may cause parsing problem!]/>
<!LOGGINGVERSION[1.5.3.7185 - 630]/>
<!NAME[D:\usr\sap\SCM\DVEBMGS01\SDM\program\log\sdmcl20090427005331.log]/>
<!PATTERN[sdmcl20090427005331.log]/>
<!FORMATTER[com.sap.tc.logging.TraceFormatter(%24d %s: %m)]/>
<!ENCODING[MS950]/>
<!LOGHEADER[END]/>
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Apr 27, 2009 8:53:43 AM Error: Unable to compare host[sidcsms.foxconn.com] and host[GDS-SF-F21789] Throwable: java.net.UnknownHostException Throwable message: GDS-SF-F21789: GDS-SF-F21789
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Apr 27, 2009 8:53:44 AM Info: J2EE Engine is in same state (online/offline) as it has been before this deployment process.
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Operation: getPortableCredentialMap(java.lang.String)
Detail: Access denied. Required roles: Admin, executing subject: principals=[E1W3, IBPM-FCSO-Development, FCSO_IPM, C2C_Imaging, TMF_DME_USER, TMF_DME_ADMIN, TMF_PARTBN_USER, TMF_PARTBN_ADMIN, TMF_PDRC_USER, TMF_PDRC_ADMIN, TMF_ODC_USER, TMF_ODC_ADMIN, Linux-IBPM-FCSO-Development, Linux-IPM-FCSO-Development, CL_Rep_Appeals_FL_USVI, CL_Rep_Appeals_PR, AppealsBamReportViewers-Dev, AppealsBPMComposerViewProject-Dev, AppealsBPMComposerDeveloper-Dev, AppealsBPMComposerDesigner-Dev, AppealsBPMComposerDeployer-Dev, AppealsBPMComposerCreateProjectFromTemplate-Dev, AppealsBPMComposerCreateNewProject-Dev, AppealsBPMComposerDocumentProject-Dev, AppealsSOADesigner-Dev, AppealsSOAMonitor-Dev, AppealsSOAOperator-Dev, AppealsDeployer-BPM-Dev, AppealsOperator-BPM-Dev, AppealsDeployer-OSB-Dev, AppealsOperator-OSB-Dev]
java.lang.SecurityException: Access denied. Required roles: Admin, executing subject: principals=[E1W3, IBPM-FCSO-Development, FCSO_IPM, C2C_Imaging, TMF_DME_USER, TMF_DME_ADMIN, TMF_PARTBN_USER, TMF_PARTBN_ADMIN, TMF_PDRC_USER, TMF_PDRC_ADMIN, TMF_ODC_USER, TMF_ODC_ADMIN, Linux-IBPM-FCSO-Development, Linux-IPM-FCSO-Development, CL_Rep_Appeals_FL_USVI, CL_Rep_Appeals_PR, AppealsBamReportViewers-Dev, AppealsBPMComposerViewProject-Dev, AppealsBPMComposerDeveloper-Dev, AppealsBPMComposerDesigner-Dev, AppealsBPMComposerDeployer-Dev, AppealsBPMComposerCreateProjectFromTemplate-Dev, AppealsBPMComposerCreateNewProject-Dev, AppealsBPMComposerDocumentProject-Dev, AppealsSOADesigner-Dev, AppealsSOAMonitor-Dev, AppealsSOAOperator-Dev, AppealsDeployer-BPM-Dev, AppealsOperator-BPM-Dev, AppealsDeployer-OSB-Dev, AppealsOperator-OSB-Dev]
at oracle.as.jmx.framework.generic.spi.security.AbstractMBeanSecurityInterceptor.checkAccess(AbstractMBeanSecurityInterceptor.java:371)
at oracle.as.jmx.framework.generic.spi.security.AbstractMBeanSecurityInterceptor.checkOperationAccess(AbstractMBeanSecurityInterceptor.java:288)
at oracle.as.jmx.framework.generic.spi.security.AbstractMBeanSecurityInterceptor.internalInvoke(AbstractMBeanSecurityInterceptor.java:189)
at oracle.as.jmx.framework.generic.spi.interceptors.AbstractMBeanInterceptor.doInvoke(AbstractMBeanInterceptor.java:252)
at oracle.security.jps.ee.jmx.JpsJmxInterceptor$2.run(JpsJmxInterceptor.java:358)
at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:315)
at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:442)
at oracle.security.jps.ee.jmx.JpsJmxInterceptor.internalInvoke(JpsJmxInterceptor.java:374)
at oracle.as.jmx.framework.generic.spi.interceptors.AbstractMBeanInterceptor.doInvoke(AbstractMBeanInterceptor.java:252)
at oracle.as.jmx.framework.generic.spi.interceptors.ContextClassLoaderMBeanInterceptor.internalInvoke(ContextClassLoaderMBeanInterceptor.java:103)
at oracle.as.jmx.framework.generic.spi.interceptors.AbstractMBeanInterceptor.doInvoke(AbstractMBeanInterceptor.java:252)
at oracle.as.jmx.framework.generic.spi.interceptors.MBeanRestartInterceptor.internalInvoke(MBeanRestartInterceptor.java:116)
at oracle.as.jmx.framework.generic.spi.interceptors.AbstractMBeanInterceptor.doInvoke(AbstractMBeanInterceptor.java:252)
at oracle.as.jmx.framework.generic.spi.interceptors.LoggingMBeanInterceptor.internalInvoke(LoggingMBeanInterceptor.java:524)
at oracle.as.jmx.framework.generic.spi.interceptors.AbstractMBeanInterceptor.doInvoke(AbstractMBeanInterceptor.java:252)
at oracle.as.jmx.framework.standardmbeans.spi.OracleStandardEmitterMBean.invoke(OracleStandardEmitterMBean.java:924)
at oracle.as.jmx.framework.standardmbeans.spi.OracleStandardEmitterConfigMBean.doInvoke(OracleStandardEmitterConfigMBean.java:398)
at oracle.as.jmx.framework.standardmbeans.spi.OracleStandardEmitterConfigMBean.invoke(OracleStandardEmitterConfigMBean.java:365)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)
at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)
at weblogic.management.mbeanservers.domainruntime.internal.FederatedMBeanServerInterceptor.invoke(FederatedMBeanServerInterceptor.java:349)
at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase$16.run(WLSMBeanServerInterceptorBase.java:449)
at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase.invoke(WLSMBeanServerInterceptorBase.java:447)
at weblogic.management.mbeanservers.internal.JMXContextInterceptor.invoke(JMXContextInterceptor.java:263)
at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase$16.run(WLSMBeanServerInterceptorBase.java:449)
at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase.invoke(WLSMBeanServerInterceptorBase.java:447)
at weblogic.management.mbeanservers.internal.SecurityMBeanMgmtOpsInterceptor.invoke(SecurityMBeanMgmtOpsInterceptor.java:65)
at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase$16.run(WLSMBeanServerInterceptorBase.java:449)
at weblogic.management.jmx.mbeanserver.WLSMBeanServerInterceptorBase.invoke(WLSMBeanServerInterceptorBase.java:447)
at weblogic.management.mbeanservers.internal.SecurityInterceptor.invoke(SecurityInterceptor.java:444)
at weblogic.management.jmx.mbeanserver.WLSMBeanServer.invoke(WLSMBeanServer.java:323)
at weblogic.management.mbeanservers.internal.JMXConnectorSubjectForwarder$11$1.run(JMXConnectorSubjectForwarder.java:663)
at weblogic.management.mbeanservers.internal.JMXConnectorSubjectForwarder$11.run(JMXConnectorSubjectForwarder.java:661)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:363)
at weblogic.management.mbeanservers.internal.JMXConnectorSubjectForwarder.invoke(JMXConnectorSubjectForwarder.java:654)
at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1454)
at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:74)
at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1295)
at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1394)
at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:818)
at javax.management.remote.rmi.RMIConnectionImpl_WLSkel.invoke(Unknown Source)
at weblogic.rmi.internal.ServerRequest.sendReceive(ServerRequest.java:174)
at weblogic.rmi.internal.BasicRemoteRef.invoke(BasicRemoteRef.java:222)
at javax.management.remote.rmi.RMIConnectionImpl_1036_WLStub.invoke(Unknown Source)
at javax.management.remote.rmi.RMIConnector$RemoteMBeanServerConnection.invoke(RMIConnector.java:993)
at weblogic.management.remote.wlx.ClientProvider$WLXMBeanServerConnectionWrapper.invoke(ClientProvider.java:291)
at weblogic.management.remote.wlx.ClientProvider$WLXMBeanServerConnectionWrapper.invoke(ClientProvider.java:291)
at oracle.sysman.emas.sdk.discovery.util.MonitoringCredentialsUtil.getMonitoringUidAndPassword(MonitoringCredentialsUtil.java:130)
at oracle.sysman.emas.sdk.discovery.util.MonitoringCredentialsUtil.getMonitoringUidAndPasswordForFarm(MonitoringCredentialsUtil.java:107)
at oracle.sysman.emas.sdk.model.mas.WLTransientTargetProvider.updateProperties(WLTransientTargetProvider.java:418)
at oracle.sysman.emas.sdk.model.mas.WLTransientTargetProvider.getTransientTargets(WLTransientTargetProvider.java:218)
at oracle.sysman.emdrep.repoless.TransientTargetCache.getCachedTargets(TransientTargetCache.java:196)
at oracle.sysman.emdrep.repoless.RepolessTargetManager.pollAllTransientTargets(RepolessTargetManager.java:1486)
at oracle.sysman.emdrep.repoless.RepolessTargetManager.getAllTargets(RepolessTargetManager.java:1591)
at oracle.sysman.emdrep.repoless.RepolessTargetManager.getTargets(RepolessTargetManager.java:1116)
at oracle.sysman.emSDK.repoless.TargetManager.getTargets(TargetManager.java:98)
at oracle.sysman.emSDK.tgt.targetaccess.TargetManager.getAllTargetInstances(TargetManager.java:152)
at oracle.sysman.emSDK.tgt.targetaccess.TargetManager.getAllTargetInstances(TargetManager.java:125)
at oracle.sysman.core.model.targetauth.AppServerLogin.loginAction(AppServerLogin.java:1360)
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:597)
at com.sun.el.parser.AstValue.invoke(AstValue.java:187)
at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:297)
at org.apache.myfaces.trinidad.component.MethodExpressionMethodBinding.invoke(MethodExpressionMethodBinding.java:46)
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
at org.apache.myfaces.trinidad.component.UIXCommand.broadcast(UIXCommand.java:190)
at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:475)
at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:756)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._invokeApplication(LifecycleImpl.java:890)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:379)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:194)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:27)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at oracle.sysman.emSDK.license.LicenseFilter.doFilter(LicenseFilter.java:102)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:205)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:106)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:447)
at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:447)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:271)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:177)
at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at oracle.help.web.rich.OHWFilter.doFilter(Unknown Source)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at oracle.sysman.emas.fwk.MASConnectionFilter.doFilter(MASConnectionFilter.java:41)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at oracle.adf.library.webapp.LibraryFilter.doFilter(LibraryFilter.java:180)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at oracle.sysman.eml.app.AuditServletFilter.doFilter(AuditServletFilter.java:183)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at oracle.sysman.eml.app.EMRepLoginFilter.doFilter(EMRepLoginFilter.java:203)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at oracle.sysman.core.model.targetauth.EMLangPrefFilter.doFilter(EMLangPrefFilter.java:158)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at oracle.sysman.core.app.perf.PerfFilter.doFilter(PerfFilter.java:141)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at oracle.sysman.eml.app.ContextInitFilter.doFilter(ContextInitFilter.java:542)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:119)
at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:315)
at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:442)
at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:103)
at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:171)
at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:139)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:57)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3730)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3696)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2273)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2179)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1490)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)
Caused by: java.lang.SecurityException: Access denied. Required roles: Admin, executing subject: principals=[E1W3, IBPM-FCSO-Development, FCSO_IPM, C2C_Imaging, TMF_DME_USER, TMF_DME_ADMIN, TMF_PARTBN_USER, TMF_PARTBN_ADMIN, TMF_PDRC_USER, TMF_PDRC_ADMIN, TMF_ODC_USER, TMF_ODC_ADMIN, Linux-IBPM-FCSO-Development, Linux-IPM-FCSO-Development, CL_Rep_Appeals_FL_USVI, CL_Rep_Appeals_PR, AppealsBamReportViewers-Dev, AppealsBPMComposerViewProject-Dev, AppealsBPMComposerDeveloper-Dev, AppealsBPMComposerDesigner-Dev, AppealsBPMComposerDeployer-Dev, AppealsBPMComposerCreateProjectFromTemplate-Dev, AppealsBPMComposerCreateNewProject-Dev, AppealsBPMComposerDocumentProject-Dev, AppealsSOADesigner-Dev, AppealsSOAMonitor-Dev, AppealsSOAOperator-Dev, AppealsDeployer-BPM-Dev, AppealsOperator-BPM-Dev, AppealsDeployer-OSB-Dev, AppealsOperator-OSB-Dev]
at oracle.as.jmx.framework.wls.spi.security.WLSMBeanSecurityHelper.isInWlsGlobalSecurityRoles(WLSMBeanSecurityHelper.java:245)
at oracle.as.jmx.framework.wls.spi.security.WLSMBeanSecurityHelper.checkGlobalSecurityRoleBasedAccess(WLSMBeanSecurityHelper.java:139)
at oracle.as.jmx.framework.wls.spi.security.WLSConfigMBeanSecurityInterceptor.checkGlobalRoleBasedAccess(WLSConfigMBeanSecurityInterceptor.java:46)
at oracle.as.jmx.framework.generic.spi.security.AbstractMBeanSecurityInterceptor.checkAccess(AbstractMBeanSecurityInterceptor.java:347)
... 126 more
After this there's a "failed to execurte hearbeat update" error as well...

Java.lang.NullPointerException when trying to start UM

I get java.lang.NullPointerException when I try to start Unified Messaging using EM on a new Windows 2000 single-box installation. Has anyone enountered this problem?

I have also encountered same issue. Please let me know the solution in case you find it.
In fact after configuiring Oracle files as per the document provided at Oracle OTN site 'Collaboration handbook', I am unable to connect OID. As per log it says
2003/04/01:20:37:58[Oidmon]: Unable to connect to database, will retry after 20 sec
2003/04/01:21:20:21Starting Monitor Process, PID=2920
2003/04/01:21:20:21ORACLE_SID not set, setting to iasdb
2003/04/01:21:41:22Failed to fetch Process Table. ORA-12571: TNS:packet writer failure
I checked Listener, which was found ok, then I checked TNSPING, which executed ok.
I have dowloaded documents troubleshooting OID, but no success. The document itself says that architecture of OID is fairly complex and the log does not suggest much insight.
Any solution?
Regards,
Vipul

Java.lang.NullPointerException when doing SQL on ms access

I am trying to perform Insert and delete commands on an access database and I continue to get a java.lang.NullPointerException when performing the action. Everything is fine when i do a Select * FROM..., I am able to read all of the information I ask for, but when performing the Insert/Delete commands I get the error. Any help would be appreciated, I will copy and past a portion of my code below. All of the fields and variable types match with what is in the database.
public void executeAddSecretary() throws SQLException{
String a,b;
a= txtSecLname.getText();
b= txtSecFname.getText();
statement.execute("INSERT INTO Contact_Sec (Sec_Lname,Sec_Fname) Values ('" + a + "', '" + b + "')");
System.out.println("updated Secretary");
public void executeDeleteContact() throws SQLException{
String a = "a";
statement.execute("DELETE FROM Contact WHERE Lname = ('" + a + "')");
System.out.println("deleted contact");
Thanks to anyone who can help me out.

1) Use prepared statement instead of statement.
2) Do like this ...
PreparedStatement prepStmt = null;
try
     String query="INSERT INTO Contact_Sec (Sec_Lname,Sec_Fname) Values (?,?)");
     prepStmt = connection.prepareStatement(query);
     prepStmt.setString(1, value1);
     prepStmt.setString(2, value2);
     prepStmt.executeUpdate();
catch (SQLException e)
     throw e;
catch (Exception e)
     throw e;
finally
     try
          if (prepStmt != null)
               prepStmt.close();
     } catch (Exception e) {}
     try
          if (connection != null)
               connection.close();
     } catch (Exception e) {}
}3) If you still get the null exception then put step wise System.out's
and debug it.
-Rohit

Java.lang.NullPointerException when using readTemplate with WLST offline

I imported WLST offline as a module in to jython script and tried
wlstOffline.readTemplate('../wls.jar')
It gives me a java.lang.NullPointerException.
Here is the entire stack trace
Traceback (innermost last):
File "testOffline.py", line 3, in ?
File "E:\wlst\wlstOffline.py", line 78, in readDomain
java.lang.NullPointerException
        at com.bea.plateng.domain.script.jython.WLScriptContext.handleException(
Ljava/lang/Exception;Ljava/lang/String;)V(WLScriptContext.java:897)
        at com.bea.plateng.domain.script.jython.WLScriptContext.readDomain(Ljava
/lang/String;)V(WLScriptContext.java:244)
        at jrockit.reflect.NativeMethodInvoker.invoke0(Ljava/lang/Object;ILjava/
lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;(Unknown Source)
        at jrockit.reflect.NativeMethodInvoker.invoke(Ljava/lang/Object;[Ljava/l
ang/Object;)Ljava/lang/Object;(Unknown Source)
        at jrockit.reflect.VirtualNativeMethodInvoker.invoke(Ljava/lang/Object;[
Ljava/lang/Object;)Ljava/lang/Object;(Unknown Source)
        at java.lang.reflect.Method.invoke(Ljava/lang/Object;[Ljava/lang/Object;
I)Ljava/lang/Object;(Unknown Source)
        at org.python.core.PyReflectedFunction.__call__(Lorg/python/core/PyObjec
t;[Lorg/python/core/PyObject;[Ljava/lang/String;)Lorg/python/core/PyObject;(PyRe
flectedFunction.java:???)
        at org.python.core.PyMethod.__call__([Lorg/python/core/PyObject;[Ljava/l
ang/String;)Lorg/python/core/PyObject;(PyMethod.java:???)
        at org.python.core.PyObject.__call__(Lorg/python/core/PyObject;)Lorg/pyt
hon/core/PyObject;(PyObject.java:???)
        at org.python.core.PyInstance.invoke(Ljava/lang/String;Lorg/python/core/
PyObject;)Lorg/python/core/PyObject;(PyInstance.java:???)
        at wlstOffline$py.readDomain$16(Lorg/python/core/PyFrame;)Lorg/python/co
re/PyObject;(E:\wlst\wlstOffline.py:78)
        at wlstOffline$py.call_function(ILorg/python/core/PyFrame;)Lorg/python/c
ore/PyObject;(E:\wlst\wlstOffline.py:???)
        at org.python.core.PyTableCode.call(Lorg/python/core/PyFrame;Lorg/python
/core/PyObject;)Lorg/python/core/PyObject;(PyTableCode.java:???)
        at org.python.core.PyTableCode.call(Lorg/python/core/PyObject;Lorg/pytho
n/core/PyObject;[Lorg/python/core/PyObject;Lorg/python/core/PyObject;)Lorg/pytho
n/core/PyObject;(PyTableCode.java:???)
        at org.python.core.PyFunction.__call__(Lorg/python/core/PyObject;)Lorg/p
ython/core/PyObject;(PyFunction.java:???)
        at org.python.core.PyObject.invoke(Ljava/lang/String;Lorg/python/core/Py
Object;)Lorg/python/core/PyObject;(PyObject.java:???)
        at org.python.pycode._pyx0.f$0(Lorg/python/core/PyFrame;)Lorg/python/cor
e/PyObject;(testOffline.py:3)
        at org.python.pycode._pyx0.call_function(ILorg/python/core/PyFrame;)Lorg
/python/core/PyObject;(testOffline.py:???)
        at org.python.core.PyTableCode.call(Lorg/python/core/PyFrame;Lorg/python
/core/PyObject;)Lorg/python/core/PyObject;(PyTableCode.java:???)
        at org.python.core.PyCode.call(Lorg/python/core/PyFrame;)Lorg/python/cor
e/PyObject;(PyCode.java:???)
        at org.python.core.Py.runCode(Lorg/python/core/PyCode;Lorg/python/core/P
yObject;Lorg/python/core/PyObject;)Lorg/python/core/PyObject;(Py.java:???)
        at org.python.core.__builtin__.execfile_flags(Ljava/lang/String;Lorg/pyt
hon/core/PyObject;Lorg/python/core/PyObject;Lorg/python/core/CompilerFlags;)V(__
builtin__.java:???)
        at org.python.util.PythonInterpreter.execfile(Ljava/lang/String;)V(Pytho
nInterpreter.java:???)
        at org.python.util.jython.main([Ljava/lang/String;)V(jython.java:???)
java.lang.NullPointerException: java.lang.NullPointerException
[/pre]
Can any one tell me what might be the problem.
Thanks

The domain exists.
And the line 78 in wlstOffline.py is as follows
77 def readDomain(domainDir):
78 WLS.readDomain(domainDir)
79 updateCmo()
80 updatePrompt()

Why does my form data gets cleared out when clicking on the back button.

Can someone explain why does my form selections get cleared out when clicking on the back button.
I have a JSP page that displays a form with some selections and text boxes. I populate the page and submit the request. The action on the submit call another jsp page, which processes the data and displays the results via a <jsp:include> statement which calls the results page. When clicking on the back button from the results page, it returns me to the form page, but the selections are cleared out.
1. Is there something in my calling of the pages that causes this behavior and can I prevent it?
I notice that the behavior is different when using the IE 6.0 version Netscape 7.1. IE clears the page Netscape 7.1 retains the settings.
If I cannot prevent this behavior does that mean I will have to save the state of the form data. And if I have to save the form data, what would be the easiest method of doing this. I'm a beginner to JSP and Java, but have some ASP experience. I don't understand why the back button in a JSP request clears the form data but a regular HTML page does not can someone explain?
THANKS.

the browser doesn't have to remember what you submitted and fill that back in.
you can't prevent it unless you can ensure a new request to the server in which you can fill the default values in there.

When clicking on the start button for an addon it is genarating the following error: CLR20r3

Hi Experts,
When clicking on the start button for an addon it is genarating the following errors are:
Problem signature:
Problem Event Name: CLR20r3
Problem Signature 01: sample-test.exe
Problem Signature 02: 1.0.0.0
Problem Signature 03: 535788b7
Problem Signature 04: Microsoft.VisualBasic
Problem Signature 05: 10.0.0.0
Problem Signature 06: 4ba2183b
Problem Signature 07: 88
Problem Signature 08: 1b
Problem Signature 09: MDAMBELLEQHB0T4VDASYJQF4K5MX15WO
OS Version: 6.0.6001.2.1.0.272.7
Locale ID: 2057
Please help us with the resolution
Thanks,
Satish.

Hi
check this thread.
Check this thread
If you are running in 64 bits machine: check this thread.
Kind regards.
Agustín Marcos Cividanes

Java.lang.NullPointerException: When Get the PDF File Name

Hi,
i try to follow the blog on Handling FileUpload and FileDownload in NetWeaver Developer Studio(NWDS) 2004S on /people/rekha.malavathu2/blog/2006/12/12/handling-fileupload-and-filedownload-in-netweaver-developer-studionwds-2004s
as i create a fileupload and i wish to get the file name and the pdf, then i to run and deploy it but i get java.lang.NullPointerException
the code are as below when i click on send email button
IPrivateEmail.IFileUploadNodeNode node = wdContext.nodeFileUploadNode();
IPrivateEmail.IFileUploadNodeElement fileUploadEle = node.createFileUploadNodeElement();
 try{
 IWDResource resource = WDResourceFactory.createResource(wdContext.currentContextElement().getFileUploadUI().read(true), wdContext.currentContextElement().getFileUploadUI().getResourceName(), WDWebResourceType.PDF, true);
 fileUploadEle.setFileUploadAttr(resource);
 fileUploadEle.setFileUploadName(wdContext.currentContextElement().getFileUploadUI().getResourceName());
 node.addElement(fileUploadEle);
 }catch(Exception e){
 wdComponentAPI.getMessageManager().reportSuccess("ERROR"+e.getMessage());
but i wonder which part of the code i did wrongly.. as i wish to insert into my send email code
Properties props = new Properties();
 String host = "SMTP HOST";
 props.put("mail.smtp.host", host);
 Session session = Session.getInstance(props, null);
 MimeMessage message = new MimeMessage(session);
 Address toAddress = new InternetAddress();
 Address fromAddress = new InternetAddress();
 Address ccAddress = new InternetAddress();
 Address bccAddress = new InternetAddress();
 try
 MimeMultipart multipart = new MimeMultipart();
 BodyPart messageBodyPart = new MimeBodyPart();
 if (! wdContext.currentEmailElement().getFrom().equals(""))
 fromAddress = new InternetAddress(wdContext.currentEmailElement().getFrom());
 message.setFrom(fromAddress);
 if (! wdContext.currentEmailElement().getTo().equals(""))
 toAddress = new InternetAddress(wdContext.currentEmailElement().getTo());
 message.setRecipient(Message.RecipientType.TO, toAddress);
 if (! wdContext.currentEmailElement().getCc().equals(""))
 ccAddress = new InternetAddress(wdContext.currentEmailElement().getCc());
 message.setRecipient(Message.RecipientType.CC, ccAddress);
 if (! wdContext.currentEmailElement().getBcc().equals(""))
 bccAddress = new InternetAddress(wdContext.currentEmailElement().getBcc());
 message.setRecipient(Message.RecipientType.BCC, bccAddress);
 if (! wdContext.currentEmailElement().getSubject().equals(""))
 message.setSubject(wdContext.currentEmailElement().getSubject());
 if (! wdContext.currentEmailElement().getBody().equals(""))
 messageBodyPart.setText(wdContext.currentEmailElement().getBody());
 multipart.addBodyPart(messageBodyPart);
 messageBodyPart = new MimeBodyPart();
 String filename = IWDResource.getResourceName();
 DataSource source = new FileDataSource(filename);
 messageBodyPart.setDataHandler(new DataHandler(source));
 messageBodyPart.setFileName(source.getName());
 messageBodyPart.setHeader("Content-Type","application/pdf");
 multipart.addBodyPart(messageBodyPart);
 message.setContent(multipart);
 Transport.send(message);
 catch (AddressException e)
 wdComponentAPI.getMessageManager().reportWarning(e.getLocalizedMessage());
 e.printStackTrace();
 catch (SendFailedException e)
 wdComponentAPI.getMessageManager().reportWarning(e.getLocalizedMessage());
 e.printStackTrace();
 catch (MessagingException e)
 wdComponentAPI.getMessageManager().reportWarning(e.getLocalizedMessage());
 e.printStackTrace();
so i wonder could anyone help me out.. as i need to get the pdf filename order to put into the variable call filename at the send mail code.
below is the error message
java.lang.NullPointerException
 at com.sap.example.uploademail.Email.wdDoInit(Email.java:124)
 at com.sap.example.uploademail.wdp.InternalEmail.wdDoInit(InternalEmail.java:146)
 at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.doInit(DelegatingView.java:61)
 at com.sap.tc.webdynpro.progmodel.controller.Controller.initController(Controller.java:215)
 at com.sap.tc.webdynpro.progmodel.view.View.initController(View.java:445)
 at com.sap.tc.webdynpro.progmodel.controller.Controller.init(Controller.java:200)
 at com.sap.tc.webdynpro.progmodel.view.ViewManager.getView(ViewManager.java:709)
 at com.sap.tc.webdynpro.progmodel.view.ViewManager.bindRoot(ViewManager.java:579)
 at com.sap.tc.webdynpro.progmodel.view.ViewManager.init(ViewManager.java:155)
 at com.sap.tc.webdynpro.clientserver.window.WebDynproWindow.doOpen(WebDynproWindow.java:295)
 at com.sap.tc.webdynpro.clientserver.window.ApplicationWindow.show(ApplicationWindow.java:183)
 at com.sap.tc.webdynpro.clientserver.window.ApplicationWindow.open(ApplicationWindow.java:178)
 at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.init(ClientApplication.java:364)
 at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.initApplication(ApplicationSession.java:748)
 at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.doProcessing(ApplicationSession.java:283)
 at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessingStandalone(ClientSession.java:759)
 at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessing(ClientSession.java:712)
 at com.sap.tc.webdynpro.clientserver.session.ClientSession.doProcessing(ClientSession.java:261)
 at com.sap.tc.webdynpro.clientserver.session.RequestManager.doProcessing(RequestManager.java:149)
 at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doContent(DispatcherServlet.java:62)
 at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doGet(DispatcherServlet.java:46)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
 at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:401)
 at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:266)
 at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:387)
 at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:365)
 at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:944)
 at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:266)
 at com.sap.engine.services.httpserver.server.Client.handle(Client.java:95)
 at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:175)
 at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)
 at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)
 at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
 at java.security.AccessController.doPrivileged(Native Method)
 at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:100)
 at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:170)

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