From bcbbe52c0db15d30518c7e4d868950612d083dbf Mon Sep 17 00:00:00 2001 From: Maximilian Michels Date: Mon, 1 Aug 2016 18:15:56 +0200 Subject: [PATCH] [FLINK-4299] show loss of job manager in Client This prints a message when the leading JobManager changes after first connecting to a JobManager. Further, it prints a message when a connection to a JobManager has been established. --- .../flink/runtime/client/JobClientActor.java | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/flink-runtime/src/main/java/org/apache/flink/runtime/client/JobClientActor.java b/flink-runtime/src/main/java/org/apache/flink/runtime/client/JobClientActor.java index 2b3138a1c608b..9379c30343925 100644 --- a/flink-runtime/src/main/java/org/apache/flink/runtime/client/JobClientActor.java +++ b/flink-runtime/src/main/java/org/apache/flink/runtime/client/JobClientActor.java @@ -125,6 +125,11 @@ protected void handleMessage(Object message) { else if (message instanceof JobManagerLeaderAddress) { JobManagerLeaderAddress msg = (JobManagerLeaderAddress) message; + if (jobManager != null) { + // only print this message when we had been connected to a JobManager before + logAndPrintMessage("New JobManager elected. Connecting to " + msg.address()); + } + disconnectFromJobManager(); this.leaderSessionID = msg.leaderSessionID(); @@ -144,6 +149,8 @@ public void onSuccess(ActorRef result) throws Throwable { JobManagerActorRef msg = (JobManagerActorRef) message; connectToJobManager(msg.jobManager()); + logAndPrintMessage("Connected to JobManager at " + msg.jobManager()); + if (jobGraph != null && !jobSuccessfullySubmitted) { // if we haven't yet submitted the job successfully tryToSubmitJob(jobGraph); @@ -280,6 +287,13 @@ protected UUID getLeaderSessionID() { return leaderSessionID; } + private void logAndPrintMessage(String message) { + LOG.info(message); + if (sysoutUpdates) { + System.out.println(message); + } + } + private void logAndPrintMessage(ExecutionGraphMessages.ExecutionStateChanged message) { LOG.info(message.toString()); if (sysoutUpdates) {