2018-12-02 13:14:58,832 INFO [Timer-Driven Process Thread-8] o.a.n.w.jetty.JettyWebSocketClient JettyWebSocketClient[id=0e167149-0167-1000-0000-000043ca0c78] Connecting to : wss://api.xxxxxxxxx.com/ws
2018-12-02 13:14:58,917 ERROR [Timer-Driven Process Thread-8] o.a.n.p.websocket.ConnectWebSocket ConnectWebSocket[id=0cce32f7-2367-1abd-baba-bf0961cbe861] Failed to process session due to org.apache.nifi.processor.exception.ProcessException: Failed to register processor to WebSocket service due to: java.io.IOException: Failed to connect wss://api.xxxxxxxxx.com/ws due to: java.util.concurrent.ExecutionException: org.eclipse.jetty.websocket.api.UpgradeException: 0 null: {}
org.apache.nifi.processor.exception.ProcessException: Failed to register processor to WebSocket service due to: java.io.IOException: Failed to connect wss://api.xxxxxxxxx.com/ws due to: java.util.concurrent.ExecutionException: org.eclipse.jetty.websocket.api.UpgradeException: 0 null
        at org.apache.nifi.processors.websocket.AbstractWebSocketGatewayProcessor.onTrigger(AbstractWebSocketGatewayProcessor.java:180)
        at org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1124)
        at org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:147)
        at org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:47)
        at org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:128)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
Caused by: java.io.IOException: Failed to connect wss://api.xxxxxxxxx.com/ws due to: java.util.concurrent.ExecutionException: org.eclipse.jetty.websocket.api.UpgradeException: 0 null
        at org.apache.nifi.websocket.jetty.JettyWebSocketClient.connect(JettyWebSocketClient.java:210)
        at org.apache.nifi.websocket.jetty.JettyWebSocketClient.connect(JettyWebSocketClient.java:185)
        at sun.reflect.GeneratedMethodAccessor6211.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.apache.nifi.controller.service.StandardControllerServiceInvocationHandler.invoke(StandardControllerServiceInvocationHandler.java:89)
        at com.sun.proxy.$Proxy125.connect(Unknown Source)
        at org.apache.nifi.processors.websocket.AbstractWebSocketGatewayProcessor.onWebSocketServiceReady(AbstractWebSocketGatewayProcessor.java:126)
        at org.apache.nifi.processors.websocket.AbstractWebSocketGatewayProcessor.lambda$onTrigger$0(AbstractWebSocketGatewayProcessor.java:175)
        at org.apache.nifi.processors.websocket.AbstractWebSocketGatewayProcessor.registerProcessorToService(AbstractWebSocketGatewayProcessor.java:136)
        at org.apache.nifi.processors.websocket.AbstractWebSocketGatewayProcessor.onTrigger(AbstractWebSocketGatewayProcessor.java:175)
        ... 11 common frames omitted
Caused by: java.util.concurrent.ExecutionException: org.eclipse.jetty.websocket.api.UpgradeException: 0 null
        at java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:357)
        at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1915)
        at org.apache.nifi.websocket.jetty.JettyWebSocketClient.connect(JettyWebSocketClient.java:208)
        ... 21 common frames omitted
Caused by: org.eclipse.jetty.websocket.api.UpgradeException: 0 null
        at org.eclipse.jetty.websocket.client.WebSocketUpgradeRequest.onComplete(WebSocketUpgradeRequest.java:513)
        at org.eclipse.jetty.client.ResponseNotifier.notifyComplete(ResponseNotifier.java:193)
        at org.eclipse.jetty.client.ResponseNotifier.notifyComplete(ResponseNotifier.java:185)
        at org.eclipse.jetty.client.HttpReceiver.terminateResponse(HttpReceiver.java:459)
        at org.eclipse.jetty.client.HttpReceiver.abort(HttpReceiver.java:540)
        at org.eclipse.jetty.client.HttpChannel.abortResponse(HttpChannel.java:129)
        at org.eclipse.jetty.client.HttpSender.terminateRequest(HttpSender.java:374)
        at org.eclipse.jetty.client.HttpSender.abort(HttpSender.java:550)
        at org.eclipse.jetty.client.HttpSender.anyToFailure(HttpSender.java:343)
        at org.eclipse.jetty.client.HttpSender$CommitCallback.failed(HttpSender.java:708)
        at org.eclipse.jetty.client.http.HttpSenderOverHTTP$HeadersCallback.failed(HttpSenderOverHTTP.java:286)
        at org.eclipse.jetty.io.WriteFlusher$PendingState.fail(WriteFlusher.java:262)
        at org.eclipse.jetty.io.WriteFlusher.onFail(WriteFlusher.java:491)
        at org.eclipse.jetty.io.AbstractEndPoint.onClose(AbstractEndPoint.java:230)
        at org.eclipse.jetty.io.AbstractEndPoint.doOnClose(AbstractEndPoint.java:219)
        at org.eclipse.jetty.io.AbstractEndPoint.close(AbstractEndPoint.java:184)
        at org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.fill(SslConnection.java:819)
        at org.eclipse.jetty.client.http.HttpReceiverOverHTTP.process(HttpReceiverOverHTTP.java:125)
        at org.eclipse.jetty.client.http.HttpReceiverOverHTTP.receive(HttpReceiverOverHTTP.java:70)
        at org.eclipse.jetty.client.http.HttpChannelOverHTTP.receive(HttpChannelOverHTTP.java:130)
        at org.eclipse.jetty.client.http.HttpConnectionOverHTTP.onFillable(HttpConnectionOverHTTP.java:116)
        at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279)
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:110)
        at org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:258)
        at org.eclipse.jetty.io.ssl.SslConnection$3.succeeded(SslConnection.java:147)
        at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:110)
        at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124)
        at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:672)
        at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:590)
        ... 1 common frames omitted
Caused by: javax.net.ssl.SSLHandshakeException: General SSLEngine problem
        at sun.security.ssl.Handshaker.checkThrown(Handshaker.java:1529)
        at sun.security.ssl.SSLEngineImpl.checkTaskThrown(SSLEngineImpl.java:535)
        at sun.security.ssl.SSLEngineImpl.readNetRecord(SSLEngineImpl.java:813)
        at sun.security.ssl.SSLEngineImpl.unwrap(SSLEngineImpl.java:781)
        at javax.net.ssl.SSLEngine.unwrap(SSLEngine.java:624)
        at org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.fill(SslConnection.java:621)
        ... 13 common frames omitted
Caused by: javax.net.ssl.SSLHandshakeException: General SSLEngine problem
        at sun.security.ssl.Alerts.getSSLException(Alerts.java:192)
        at sun.security.ssl.SSLEngineImpl.fatal(SSLEngineImpl.java:1728)
        at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:330)
        at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:322)
        at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1614)
        at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:216)
        at sun.security.ssl.Handshaker.processLoop(Handshaker.java:1052)
        at sun.security.ssl.Handshaker$1.run(Handshaker.java:992)
        at sun.security.ssl.Handshaker$1.run(Handshaker.java:989)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.security.ssl.Handshaker$DelegatedTask.run(Handshaker.java:1467)
        at org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.fill(SslConnection.java:727)
        ... 13 common frames omitted
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
        at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:397)
        at sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:302)
        at sun.security.validator.Validator.validate(Validator.java:260)
        at sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:324)
        at sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:281)
        at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:136)
        at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1601)
        ... 20 common frames omitted
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
        at sun.security.provider.certpath.SunCertPathBuilder.build(SunCertPathBuilder.java:141)
        at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:126)
        at java.security.cert.CertPathBuilder.build(CertPathBuilder.java:280)
        at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:392)
        ... 26 common frames omitted