0006950: A NullPointerException can occur when closing the Configure Canvas' sidebar with the Define Endpoint screen open - SymmetricDS - Issue Tracker

ID	Project	Category	View Status	Date Submitted	Last Update

0006950	SymmetricDS Pro	Bug	public	2025-06-17 17:32	2025-06-17 17:41

Reporter	emiller	Assigned To	emiller
Priority	normal
Status	resolved	Resolution	fixed
Product Version	3.16.0
Target Version	3.16.4	Fixed in Version	3.16.4

Summary	0006950: A NullPointerException can occur when closing the Configure Canvas' sidebar with the Define Endpoint screen open
Description	The following NullPointerException can occur when closing the Configure Canvas' sidebar with the Define Endpoint screen open: 2025-04-15 01:21:28,958 ERROR [gui] [DefaultErrorHandler] [qtp711332373-61] StackTraceKey.init [NullPointerException:3187886881] java.lang.NullPointerException: Cannot invoke "com.jumpmind.symmetric.console.ui.canvas.ConfigCanvasEndpoint.setVisitedDefineEndpointScreen(boolean)" because "this.secondDefineEndpointScreen.endpoint" is null at com.jumpmind.symmetric.console.ui.canvas.DefineEndpointScreen.onCloseIconClick(DefineEndpointScreen.java:1006) at com.jumpmind.symmetric.console.ui.canvas.ConfigCanvas.lambda$updateSidebarHeader$9b1b5227$1(ConfigCanvas.java:1299) at com.vaadin.flow.component.ComponentEventBus.fireEventForListener(ComponentEventBus.java:239) at com.vaadin.flow.component.ComponentEventBus.handleDomEvent(ComponentEventBus.java:488) at com.vaadin.flow.component.ComponentEventBus.lambda$addDomTrigger$dd1b7957$1(ComponentEventBus.java:298) at com.vaadin.flow.internal.nodefeature.ElementListenerMap.lambda$fireEvent$2(ElementListenerMap.java:447) at java.base/java.util.ArrayList.forEach(ArrayList.java:1597) at com.vaadin.flow.internal.nodefeature.ElementListenerMap.fireEvent(ElementListenerMap.java:447) at com.vaadin.flow.server.communication.rpc.EventRpcHandler.handleNode(EventRpcHandler.java:62) at com.vaadin.flow.server.communication.rpc.AbstractRpcInvocationHandler.handle(AbstractRpcInvocationHandler.java:74) at com.vaadin.flow.server.communication.ServerRpcHandler.handleInvocationData(ServerRpcHandler.java:466) at com.vaadin.flow.server.communication.ServerRpcHandler.lambda$handleInvocations$4(ServerRpcHandler.java:447) at java.base/java.util.ArrayList.forEach(ArrayList.java:1597) at com.vaadin.flow.server.communication.ServerRpcHandler.handleInvocations(ServerRpcHandler.java:447) at com.vaadin.flow.server.communication.ServerRpcHandler.handleRpc(ServerRpcHandler.java:324) at com.vaadin.flow.server.communication.UidlRequestHandler.synchronizedHandleRequest(UidlRequestHandler.java:114) at com.vaadin.flow.server.SynchronizedRequestHandler.handleRequest(SynchronizedRequestHandler.java:40) at com.vaadin.flow.server.VaadinService.handleRequest(VaadinService.java:1574) at com.vaadin.flow.server.VaadinServlet.service(VaadinServlet.java:398) at com.jumpmind.symmetric.console.ui.AppServlet.service(AppServlet.java:28) at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:614) at org.eclipse.jetty.ee10.servlet.ServletHolder.handle(ServletHolder.java:736) at org.eclipse.jetty.ee10.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1619) at org.eclipse.jetty.ee10.websocket.servlet.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:195) at org.eclipse.jetty.ee10.servlet.FilterHolder.doFilter(FilterHolder.java:205) at org.eclipse.jetty.ee10.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1591) at org.jumpmind.symmetric.web.HttpMethodFilter.doFilter(HttpMethodFilter.java:60) at org.eclipse.jetty.ee10.servlet.FilterHolder.doFilter(FilterHolder.java:205) at org.eclipse.jetty.ee10.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1591) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) at org.eclipse.jetty.ee10.servlet.FilterHolder.doFilter(FilterHolder.java:205) at org.eclipse.jetty.ee10.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1591) at org.eclipse.jetty.ee10.servlet.ServletHandler$MappedServlet.handle(ServletHandler.java:1552) at org.eclipse.jetty.ee10.servlet.ServletChannel.dispatch(ServletChannel.java:819) at org.eclipse.jetty.ee10.servlet.ServletChannel.handle(ServletChannel.java:436) at org.eclipse.jetty.ee10.servlet.ServletHandler.handle(ServletHandler.java:469) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:575) at org.eclipse.jetty.ee10.servlet.SessionHandler.handle(SessionHandler.java:717) at org.eclipse.jetty.server.handler.ContextHandler.handle(ContextHandler.java:1060) at org.eclipse.jetty.server.Handler$Wrapper.handle(Handler.java:740) at org.eclipse.jetty.server.handler.EventsHandler.handle(EventsHandler.java:81) at org.eclipse.jetty.server.Server.handle(Server.java:182) at org.eclipse.jetty.server.internal.HttpChannelState$HandlerInvoker.run(HttpChannelState.java:662) at org.eclipse.jetty.server.internal.HttpConnection.onFillable(HttpConnection.java:418) at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:322) at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:99) at org.eclipse.jetty.io.ssl.SslConnection$SslEndPoint.onFillable(SslConnection.java:575) at org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:390) at org.eclipse.jetty.io.ssl.SslConnection$2.succeeded(SslConnection.java:150) at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:99) at org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53) at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:480) at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:443) at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:293) at org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.run(AdaptiveExecutionStrategy.java:201) at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:311) at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:979) at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1209) at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1164) at java.base/java.lang.Thread.run(Thread.java:1570)
Tags	ui

Date Modified	Username	Field	Change
2025-06-17 17:32	emiller	New Issue
2025-06-17 17:32	emiller	Status	new => assigned
2025-06-17 17:32	emiller	Assigned To	=> emiller
2025-06-17 17:32	emiller	Tag Attached: ui
2025-06-17 17:41	emiller	Status	assigned => resolved
2025-06-17 17:41	emiller	Resolution	open => fixed
2025-06-17 17:41	emiller	Fixed in Version	=> 3.16.4