Error While Creating New Ticket

Hello Team,

MyCollab Version: Community 6.0

While Creating new ticket from Menu bar getting below error.

Ticket creation works fine if I go to left hand side Tickets section and then create ticket from there.Issue happens only while creating ticket from New button on Menu bar.Please assist in fixing this issue. Below is error trace.

========================17:45:42,449  WARN c.m.c.DistributionLockUtil:43 - Can not get lock service

17:45:42,451 ERROR c.m.w.DesktopApplication:263 - Error

com.vaadin.server.ServerRpcManager$RpcInvocationException: Unable to invoke method click in com.vaadin.shared.ui.button.ButtonServerRpc

at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:162)

at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:119)

at com.vaadin.server.communication.ServerRpcHandler.handleInvocation(ServerRpcHandler.java:437)

at com.vaadin.server.communication.ServerRpcHandler.handleInvocations(ServerRpcHandler.java:402)

at com.vaadin.server.communication.ServerRpcHandler.handleRpc(ServerRpcHandler.java:273)

at com.vaadin.server.communication.PushHandler$2.run(PushHandler.java:148)

at com.vaadin.server.communication.PushHandler.callWithUi(PushHandler.java:240)

at com.vaadin.server.communication.PushHandler.onMessage(PushHandler.java:513)

at com.vaadin.server.communication.PushAtmosphereHandler.onMessage(PushAtmosphereHandler.java:87)

at com.vaadin.server.communication.PushAtmosphereHandler.onRequest(PushAtmosphereHandler.java:77)

at org.atmosphere.cpr.AsynchronousProcessor.action(AsynchronousProcessor.java:199)

at org.atmosphere.cpr.AsynchronousProcessor.suspended(AsynchronousProcessor.java:107)

at org.atmosphere.container.Servlet30CometSupport.service(Servlet30CometSupport.java:66)

at org.atmosphere.cpr.AtmosphereFramework.doCometSupport(AtmosphereFramework.java:2075)

at org.atmosphere.websocket.DefaultWebSocketProcessor.dispatch(DefaultWebSocketProcessor.java:571)

at org.atmosphere.websocket.DefaultWebSocketProcessor$3.run(DefaultWebSocketProcessor.java:333)

at org.atmosphere.util.VoidExecutorService.execute(VoidExecutorService.java:101)

at org.atmosphere.websocket.DefaultWebSocketProcessor.dispatch(DefaultWebSocketProcessor.java:328)

at org.atmosphere.websocket.DefaultWebSocketProcessor.invokeWebSocketProtocol(DefaultWebSocketProcessor.java:425)

at org.atmosphere.container.JSR356Endpoint$1.onMessage(JSR356Endpoint.java:214)

at org.atmosphere.container.JSR356Endpoint$1.onMessage(JSR356Endpoint.java:211)

at io.undertow.websockets.jsr.FrameHandler$7.run(FrameHandler.java:286)

at io.undertow.websockets.jsr.ServerWebSocketContainer$1.call(ServerWebSocketContainer.java:168)

at io.undertow.websockets.jsr.ServerWebSocketContainer$1.call(ServerWebSocketContainer.java:165)

at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)

at io.undertow.websockets.jsr.ServerWebSocketContainer.invokeEndpointMethod(ServerWebSocketContainer.java:602)

at io.undertow.websockets.jsr.ServerWebSocketContainer.invokeEndpointMethod(ServerWebSocketContainer.java:592)

at io.undertow.websockets.jsr.FrameHandler.invokeTextHandler(FrameHandler.java:266)

at io.undertow.websockets.jsr.FrameHandler.onFullTextMessage(FrameHandler.java:317)

at io.undertow.websockets.core.AbstractReceiveListener$2.complete(AbstractReceiveListener.java:156)

at io.undertow.websockets.core.AbstractReceiveListener$2.complete(AbstractReceiveListener.java:152)

at io.undertow.websockets.core.BufferedTextMessage.read(BufferedTextMessage.java:105)

at io.undertow.websockets.core.AbstractReceiveListener.readBufferedText(AbstractReceiveListener.java:152)

at io.undertow.websockets.core.AbstractReceiveListener.bufferFullMessage(AbstractReceiveListener.java:90)

at io.undertow.websockets.jsr.FrameHandler.onText(FrameHandler.java:182)

at io.undertow.websockets.core.AbstractReceiveListener.handleEvent(AbstractReceiveListener.java:44)

at io.undertow.websockets.core.AbstractReceiveListener.handleEvent(AbstractReceiveListener.java:33)

at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)

at io.undertow.server.protocol.framed.AbstractFramedChannel$FrameReadListener.handleEvent(AbstractFramedChannel.java:948)

at io.undertow.server.protocol.framed.AbstractFramedChannel$FrameReadListener.handleEvent(AbstractFramedChannel.java:929)

at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)

at org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.readReady(ReadReadyHandler.java:66)

at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:88)

at org.xnio.nio.WorkerThread.run(WorkerThread.java:561)

Caused by: java.lang.reflect.InvocationTargetException: null

at sun.reflect.GeneratedMethodAccessor156.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:498)

at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:158)

... 43 common frames omitted

Caused by: com.vaadin.event.ListenerMethod$MethodException: Invocation of method buttonClick in com.mycollab.module.project.view.task.TaskEditForm$FormLayoutFactory$$Lambda$861/603793690 failed.

at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:533)

at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:200)

at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:163)

at com.vaadin.server.AbstractClientConnector.fireEvent(AbstractClientConnector.java:1015)

at com.vaadin.ui.Button.fireClick(Button.java:377)

at org.vaadin.viritin.button.MButton.fireClick(MButton.java:148)

at com.vaadin.ui.Button$1.click(Button.java:54)

... 47 common frames omitted

Caused by: kotlin.KotlinNullPointerException: null

at com.mycollab.module.project.service.impl.ProjectTaskServiceImpl.saveWithSession(ProjectTaskServiceImpl.kt:100)

at com.mycollab.module.project.service.impl.ProjectTaskServiceImpl.saveWithSession(ProjectTaskServiceImpl.kt:70)

at com.mycollab.module.project.service.impl.ProjectTaskServiceImpl$$FastClassBySpringCGLIB$$db0586dd.invoke(<generated>)

at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)

at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:746)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)

at org.springframework.aop.framework.adapter.AfterReturningAdviceInterceptor.invoke(AfterReturningAdviceInterceptor.java:55)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:174)

at org.springframework.aop.framework.adapter.AfterReturningAdviceInterceptor.invoke(AfterReturningAdviceInterceptor.java:55)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:174)

at org.springframework.aop.framework.adapter.MethodBeforeAdviceInterceptor.invoke(MethodBeforeAdviceInterceptor.java:56)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:174)

at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:294)

at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:98)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)

at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)

at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688)

at com.mycollab.module.project.service.impl.ProjectTaskServiceImpl$$EnhancerBySpringCGLIB$$c58ffdfe.saveWithSession(<generated>)

at com.mycollab.module.project.view.task.TaskEditForm$FormLayoutFactory.lambda$getLayout$4948a086$1(TaskEditForm.java:89)

at sun.reflect.GeneratedMethodAccessor158.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:498)

at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:510)

... 53 common frames omitted