Request processing failed; nested exception is java.lang.NullPointerException

javax.servlet.ServletException: org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.NullPointerException
at org.eclipse.jetty.server.handler.HandlerCollection.handle (HandlerCollection.java:138)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle (HandlerWrapper.java:132)
at org.eclipse.jetty.server.Server.handle (Server.java:549)
at org.eclipse.jetty.server.HttpChannel.handle (HttpChannel.java:320)
at org.eclipse.jetty.server.HttpConnection.onFillable (HttpConnection.java:254)
at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded (AbstractConnection.java:269)
at org.eclipse.jetty.io.FillInterest.fillable (FillInterest.java:97)
at org.eclipse.jetty.io.ChannelEndPoint$2.run (ChannelEndPoint.java:124)
at org.eclipse.jetty.util.thread.Invocable.invokePreferred (Invocable.java:90)
at org.eclipse.jetty.util.thread.strategy.ExecutingExecutionStrategy.invoke (ExecutingExecutionStrategy.java:58)
at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume (ExecuteProduceConsume.java:201)
at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run (ExecuteProduceConsume.java:133)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob (QueuedThreadPool.java:672)
at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run (QueuedThreadPool.java:590) at java.lang.Thread.run (Thread.java:748) Caused by: org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.NullPointerException at org.springframework.web.servlet.FrameworkServlet.processRequest (FrameworkServlet.java:1013) at org.springframework.web.servlet.FrameworkServlet.doPost (FrameworkServlet.java:908) at javax.servlet.http.HttpServlet.service (HttpServlet.java:707) at org.springframework.web.servlet.FrameworkServlet.service (FrameworkServlet.java:882) at javax.servlet.http.HttpServlet.service (HttpServlet.java:790) at org.eclipse.jetty.servlet.ServletHolder.handle (ServletHolder.java:830) at org.eclipse.jetty.servlet.ServletHandler.doHandle (ServletHandler.java:551) at org.eclipse.jetty.server.handler.ScopedHandler.handle (ScopedHandler.java:143) at org.eclipse.jetty.security.SecurityHandler.handle (SecurityHandler.java:548) at org.eclipse.jetty.server.session.SessionHandler.doHandle (SessionHandler.java:1589) at org.eclipse.jetty.server.handler.ContextHandler.doHandle (ContextHandler.java:1213) at org.eclipse.jetty.servlet.ServletHandler.doScope (ServletHandler.java:486) at org.eclipse.jetty.server.session.SessionHandler.doScope (SessionHandler.java:1552) at org.eclipse.jetty.server.handler.ContextHandler.doScope (ContextHandler.java:1126) at org.eclipse.jetty.server.handler.ScopedHandler.handle (ScopedHandler.java:141) at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle (ContextHandlerCollection.java:213) at org.eclipse.jetty.server.handler.HandlerCollection.handle (HandlerCollection.java:118) at org.eclipse.jetty.server.handler.HandlerWrapper.handle (HandlerWrapper.java:132) at org.eclipse.jetty.server.Server.handle (Server.java:549) at org.eclipse.jetty.server.HttpChannel.handle (HttpChannel.java:320) at org.eclipse.jetty.server.HttpConnection.onFillable (HttpConnection.java:254) at org.eclipse.jetty.io.AbstractConnection$2.run(QueuedThreadPool.java:590)atjava.lang.Thread.run(Thread.java:748)Causedby:org.springframework.web.util.NestedServletException:Requestprocessingfailed;nestedexceptionisjava.lang.NullPointerExceptionatorg.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1013)atorg.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:908)atjavax.servlet.http.HttpServlet.service(HttpServlet.java:707)atorg.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)atjavax.servlet.http.HttpServlet.service(HttpServlet.java:790)atorg.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:830)atorg.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:551)atorg.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)atorg.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)atorg.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1589)atorg.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1213)atorg.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:486)atorg.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1552)atorg.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1126)atorg.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)atorg.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)atorg.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:118)atorg.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)atorg.eclipse.jetty.server.Server.handle(Server.java:549)atorg.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)atorg.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:254)atorg.eclipse.jetty.io.AbstractConnectionReadCallback.succeeded (AbstractConnection.java:269)
at org.eclipse.jetty.io.FillInterest.fillable (FillInterest.java:97)
at org.eclipse.jetty.io.ChannelEndPoint$2.run (ChannelEndPoint.java:124)
at org.eclipse.jetty.util.thread.Invocable.invokePreferred (Invocable.java:90)
at org.eclipse.jetty.util.thread.strategy.ExecutingExecutionStrategy.invoke (ExecutingExecutionStrategy.java:58)
at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume (ExecuteProduceConsume.java:201)
at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run (ExecuteProduceConsume.java:133)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob (QueuedThreadPool.java:672)
at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run (QueuedThreadPool.java:590) at java.lang.Thread.run (Thread.java:748) Caused by: java.lang.NullPointerException at org.aptech.hdax.controller.SysUserController.login ***(SysUserController.java:60)*** at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke (Method.java:498) at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke (InvocableHandlerMethod.java:190) at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest (InvocableHandlerMethod.java:138) at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle (ServletInvocableHandlerMethod.java:104) at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod (RequestMappingHandlerAdapter.java:892) at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal (RequestMappingHandlerAdapter.java:797) at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle (AbstractHandlerMethodAdapter.java:87) at org.springframework.web.servlet.DispatcherServlet.doDispatch (DispatcherServlet.java:1039) at org.springframework.web.servlet.DispatcherServlet.doService (DispatcherServlet.java:942) at org.springframework.web.servlet.FrameworkServlet.processRequest (FrameworkServlet.java:1005) at org.springframework.web.servlet.FrameworkServlet.doPost (FrameworkServlet.java:908) at javax.servlet.http.HttpServlet.service (HttpServlet.java:707) at org.springframework.web.servlet.FrameworkServlet.service (FrameworkServlet.java:882) at javax.servlet.http.HttpServlet.service (HttpServlet.java:790) at org.eclipse.jetty.servlet.ServletHolder.handle (ServletHolder.java:830) at org.eclipse.jetty.servlet.ServletHandler.doHandle (ServletHandler.java:551) at org.eclipse.jetty.server.handler.ScopedHandler.handle (ScopedHandler.java:143) at org.eclipse.jetty.security.SecurityHandler.handle (SecurityHandler.java:548) at org.eclipse.jetty.server.session.SessionHandler.doHandle (SessionHandler.java:1589) at org.eclipse.jetty.server.handler.ContextHandler.doHandle (ContextHandler.java:1213) at org.eclipse.jetty.servlet.ServletHandler.doScope (ServletHandler.java:486) at org.eclipse.jetty.server.session.SessionHandler.doScope (SessionHandler.java:1552) at org.eclipse.jetty.server.handler.ContextHandler.doScope (ContextHandler.java:1126) at org.eclipse.jetty.server.handler.ScopedHandler.handle (ScopedHandler.java:141) at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle (ContextHandlerCollection.java:213) at org.eclipse.jetty.server.handler.HandlerCollection.handle (HandlerCollection.java:118) at org.eclipse.jetty.server.handler.HandlerWrapper.handle (HandlerWrapper.java:132) at org.eclipse.jetty.server.Server.handle (Server.java:549) at org.eclipse.jetty.server.HttpChannel.handle (HttpChannel.java:320) at org.eclipse.jetty.server.HttpConnection.onFillable (HttpConnection.java:254) at org.eclipse.jetty.io.AbstractConnection$2.run(QueuedThreadPool.java:590)atjava.lang.Thread.run(Thread.java:748)Causedby:java.lang.NullPointerExceptionatorg.aptech.hdax.controller.SysUserController.login∗∗∗(SysUserController.java:60)∗∗∗atsun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethod)atsun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)atsun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)atjava.lang.reflect.Method.invoke(Method.java:498)atorg.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190)atorg.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)atorg.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)atorg.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:892)atorg.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)atorg.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)atorg.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1039)atorg.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)atorg.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)atorg.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:908)atjavax.servlet.http.HttpServlet.service(HttpServlet.java:707)atorg.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)atjavax.servlet.http.HttpServlet.service(HttpServlet.java:790)atorg.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:830)atorg.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:551)atorg.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)atorg.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)atorg.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1589)atorg.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1213)atorg.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:486)atorg.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1552)atorg.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1126)atorg.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)atorg.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:213)atorg.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:118)atorg.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)atorg.eclipse.jetty.server.Server.handle(Server.java:549)atorg.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:320)atorg.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:254)atorg.eclipse.jetty.io.AbstractConnectionReadCallback.succeeded (AbstractConnection.java:269)
at org.eclipse.jetty.io.FillInterest.fillable (FillInterest.java:97)
at org.eclipse.jetty.io.ChannelEndPoint$2.run (ChannelEndPoint.java:124)
at org.eclipse.jetty.util.thread.Invocable.invokePreferred (Invocable.java:90)
at org.eclipse.jetty.util.thread.strategy.ExecutingExecutionStrategy.invoke (ExecutingExecutionStrategy.java:58)
at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume (ExecuteProduceConsume.java:201)
at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run (ExecuteProduceConsume.java:133)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob (QueuedThreadPool.java:672)
at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run (QueuedThreadPool.java:590)
at java.lang.Thread.run (Thread.java:748)