0006952: A NullPointerException can occur when clicking the Test -> Database button on the Manage Nodes screen - SymmetricDS - Issue Tracker

ID	Project	Category	View Status	Date Submitted	Last Update

0006952	SymmetricDS Pro	Bug	public	2025-06-17 19:42	2025-06-17 19:49

Reporter	emiller	Assigned To	emiller
Priority	normal
Status	resolved	Resolution	fixed
Product Version	3.14.0
Target Version	3.16.4	Fixed in Version	3.16.4

Summary	0006952: A NullPointerException can occur when clicking the Test -> Database button on the Manage Nodes screen
Description	The following NullPointerException can occur when clicking the Test -> Database button on the Manage Nodes screen. If the engine is null, then the button should be disabled in order to prevent this exception. 2025-04-15 03:54:08,801 ERROR [gui] [DefaultErrorHandler] [qtp527826205-32] StackTraceKey.init [NullPointerException:3647961336] java.lang.NullPointerException: Cannot invoke "org.jumpmind.symmetric.ISymmetricEngine.getEngineName()" because "engine" is null at com.jumpmind.symmetric.console.impl.cQ.<init>(PerformanceTestDialog.java:54) at com.jumpmind.symmetric.console.impl.cw.<init>(DatabasePerformanceDialog.java:27) at com.jumpmind.symmetric.console.impl.cN.a(NodesPanel.java:1903) at com.jumpmind.symmetric.console.impl.cN.onComponentEvent(NodesPanel.java:121) 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 19:42	emiller	New Issue
2025-06-17 19:42	emiller	Status	new => assigned
2025-06-17 19:42	emiller	Assigned To	=> emiller
2025-06-17 19:42	emiller	Tag Attached: ui
2025-06-17 19:49	emiller	Status	assigned => resolved
2025-06-17 19:49	emiller	Resolution	open => fixed
2025-06-17 19:49	emiller	Fixed in Version	=> 3.16.4