Auvegos Worklog
2016-06-20
websocket error when requesting data
2016-06-20 17:12:51.438 WARN [d.g.a.e.w.w.webgui.WebguiWebSocket:243] - Unhandled Error (closing connection) org.eclipse.jetty.websocket.api.WebSocketException: Cannot call method public void de.gtarc.auvegos.embeddedwebagent.webserver.websocket.webgui.WebguiWebSocket#onText(org.eclipse.jetty.websocket.api.Session, java.lang.String) with args: [org.eclipse.jetty.websocket.common.WebSocketSession, java.lang.String] at org.eclipse.jetty.websocket.common.events.annotated.CallableMethod.call(CallableMethod.java:99) ~[websocket-common-9.1.1.v20140108.jar:9.1.1.v20140108] at org.eclipse.jetty.websocket.common.events.annotated.OptionalSessionCallableMethod.call(OptionalSessionCallableMethod.java:68) ~[websocket-common-9.1.1.v20140108.jar:9.1.1.v20140108] at org.eclipse.jetty.websocket.common.events.JettyAnnotatedEventDriver.onTextMessage(JettyAnnotatedEventDriver.java:209) ~[websocket-common-9.1.1.v20140108.jar:9.1.1.v20140108] at org.eclipse.jetty.websocket.common.message.SimpleTextMessage.messageComplete(SimpleTextMessage.java:69) ~[websocket-common-9.1.1.v20140108.jar:9.1.1.v20140108] at org.eclipse.jetty.websocket.common.events.AbstractEventDriver.appendMessage(AbstractEventDriver.java:64) ~[websocket-common-9.1.1.v20140108.jar:9.1.1.v20140108] at org.eclipse.jetty.websocket.common.events.JettyAnnotatedEventDriver.onTextFrame(JettyAnnotatedEventDriver.java:201) ~[websocket-common-9.1.1.v20140108.jar:9.1.1.v20140108] at org.eclipse.jetty.websocket.common.events.AbstractEventDriver.incomingFrame(AbstractEventDriver.java:169) ~[websocket-common-9.1.1.v20140108.jar:9.1.1.v20140108] at org.eclipse.jetty.websocket.common.WebSocketSession.incomingFrame(WebSocketSession.java:302) [websocket-common-9.1.1.v20140108.jar:9.1.1.v20140108] at org.eclipse.jetty.websocket.common.extensions.AbstractExtension.nextIncomingFrame(AbstractExtension.java:162) [websocket-common-9.1.1.v20140108.jar:9.1.1.v20140108] at org.eclipse.jetty.websocket.common.extensions.compress.PerMessageDeflateExtension.nextIncomingFrame(PerMessageDeflateExtension.java:281) [websocket-common-9.1.1.v20140108.jar:9.1.1.v20140108] at org.eclipse.jetty.websocket.common.extensions.compress.PerMessageDeflateExtension.incomingFrame(PerMessageDeflateExtension.java:159) [websocket-common-9.1.1.v20140108.jar:9.1.1.v20140108] at org.eclipse.jetty.websocket.common.extensions.ExtensionStack.incomingFrame(ExtensionStack.java:204) [websocket-common-9.1.1.v20140108.jar:9.1.1.v20140108] at org.eclipse.jetty.websocket.common.Parser.notifyFrame(Parser.java:223) [websocket-common-9.1.1.v20140108.jar:9.1.1.v20140108] at org.eclipse.jetty.websocket.common.Parser.parse(Parser.java:260) [websocket-common-9.1.1.v20140108.jar:9.1.1.v20140108] at org.eclipse.jetty.websocket.common.io.AbstractWebSocketConnection.read(AbstractWebSocketConnection.java:500) [websocket-common-9.1.1.v20140108.jar:9.1.1.v20140108] at org.eclipse.jetty.websocket.common.io.AbstractWebSocketConnection.onFillable(AbstractWebSocketConnection.java:409) [websocket-common-9.1.1.v20140108.jar:9.1.1.v20140108] at org.eclipse.jetty.io.AbstractConnection$1.run(AbstractConnection.java:505) [jetty-io-9.1.1.v20140108.jar:9.1.1.v20140108] at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:607) [jetty-util-9.1.1.v20140108.jar:9.1.1.v20140108] at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:536) [jetty-util-9.1.1.v20140108.jar:9.1.1.v20140108] at java.lang.Thread.run(Thread.java:745) [na:1.8.0_66] Caused by: java.lang.reflect.InvocationTargetException: null at sun.reflect.GeneratedMethodAccessor53.invoke(Unknown Source) ~[na:na] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_66] at java.lang.reflect.Method.invoke(Method.java:497) ~[na:1.8.0_66] at org.eclipse.jetty.websocket.common.events.annotated.CallableMethod.call(CallableMethod.java:71) ~[websocket-common-9.1.1.v20140108.jar:9.1.1.v20140108] ... 19 common frames omitted java.lang.NullPointerException: null *** MonitorAgentDataRetriever.destroy()
