Exception Occurred

java.lang.NullPointerException at controller.imba.language.SwapLocaleServlet.performTaskProcess(SwapLocaleServlet.java:83) at controller.imba.language.SwapLocaleServlet.doPost(SwapLocaleServlet.java:57) at controller.imba.language.SwapLocaleServlet.doGet(SwapLocaleServlet.java:26) at javax.servlet.http.HttpServlet.service(HttpServlet.java:731) at javax.servlet.http.HttpServlet.service(HttpServlet.java:844) at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:280) at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:254) at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:136) at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:346) at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:243) at weblogic.servlet.ServletServlet.service(ServletServlet.java:53) at javax.servlet.http.HttpServlet.service(HttpServlet.java:844) at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:280) at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:254) at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:136) at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:346) at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:243) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3452) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3422) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:323) at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120) at weblogic.servlet.provider.WlsSubjectHandle.run(WlsSubjectHandle.java:57) at weblogic.servlet.internal.WebAppServletContext.doSecuredExecute(WebAppServletContext.java:2280) at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2196) at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2174) at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1632) at weblogic.servlet.provider.ContainerSupportProviderImpl$WlsRequestExecutor.run(ContainerSupportProviderImpl.java:256) at weblogic.work.ExecuteThread.execute(ExecuteThread.java:311) at weblogic.work.ExecuteThread.run(ExecuteThread.java:263) Compound JSPs

Exception Occurred

java.lang.Exception: performTaskProcess()
null at controller.imba.language.SwapLocaleServlet.performTaskProcess(SwapLocaleServlet.java:123) at controller.imba.language.SwapLocaleServlet.doPost(SwapLocaleServlet.java:57) at controller.imba.language.SwapLocaleServlet.doGet(SwapLocaleServlet.java:26) at javax.servlet.http.HttpServlet.service(HttpServlet.java:731) at javax.servlet.http.HttpServlet.service(HttpServlet.java:844) at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:280) at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:254) at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:136) at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:346) at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:243) at weblogic.servlet.ServletServlet.service(ServletServlet.java:53) at javax.servlet.http.HttpServlet.service(HttpServlet.java:844) at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:280) at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:254) at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:136) at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:346) at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:243) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3452) at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3422) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:323) at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120) at weblogic.servlet.provider.WlsSubjectHandle.run(WlsSubjectHandle.java:57) at weblogic.servlet.internal.WebAppServletContext.doSecuredExecute(WebAppServletContext.java:2280) at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2196) at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2174) at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1632) at weblogic.servlet.provider.ContainerSupportProviderImpl$WlsRequestExecutor.run(ContainerSupportProviderImpl.java:256) at weblogic.work.ExecuteThread.execute(ExecuteThread.java:311) at weblogic.work.ExecuteThread.run(ExecuteThread.java:263)