vsantwana commented on code in PR #978:
URL:
https://github.com/apache/flink-kubernetes-operator/pull/978#discussion_r2080910366
##########
flink-kubernetes-operator/src/main/java/org/apache/flink/kubernetes/operator/reconciler/deployment/ApplicationReconciler.java:
##########
@@ -299,9 +303,92 @@ public boolean
reconcileOtherChanges(FlinkResourceContext<FlinkDeployment> ctx)
return true;
}
+ // check for JobManager exceptions if the REST API server is still up.
+ if (!ReconciliationUtils.isJobInTerminalState(deployment.getStatus()))
{
+ observeJobManagerExceptions(ctx, deployment, observeConfig);
+ }
+
return cleanupTerminalJmAfterTtl(ctx.getFlinkService(), deployment,
observeConfig);
}
+ private void observeJobManagerExceptions(
+ FlinkResourceContext<FlinkDeployment> ctx,
+ FlinkDeployment deployment,
+ Configuration observeConfig) {
+ try {
+ var jobId =
JobID.fromHexString(deployment.getStatus().getJobStatus().getJobId());
+ var history = ctx.getFlinkService().getJobExceptions(deployment,
jobId, observeConfig);
+ if (history == null || history.getExceptionHistory() == null) {
+ return;
+ }
+ var exceptionHistory = history.getExceptionHistory();
+ var exceptions = exceptionHistory.getEntries();
+ if (exceptions.isEmpty()) {
+ LOG.info(String.format("No exceptions found in job exception
history for jobId '%s'.", jobId));
+ return;
+ }
+ if (exceptionHistory.isTruncated()) {
+ LOG.warn(String.format("Job exception history is truncated for
jobId '%s'. "
+ + "Some exceptions are not shown.", jobId));
+ }
+ for (var exception : exceptions) {
+ emitJobManagerExceptionEvent(ctx, deployment, exception);
+ }
+ } catch (Exception e) {
+ LOG.warn("Could not fetch JobManager exception info.", e);
+ }
+ }
+
+ private void emitJobManagerExceptionEvent(
+ FlinkResourceContext<FlinkDeployment> ctx,
+ FlinkDeployment deployment,
+ JobExceptionsInfoWithHistory.RootExceptionInfo exception) {
+
+ String message = exception.getExceptionName();
+ if (message == null || message.isBlank()) {
+ return;
+ }
+
+ String stacktrace = exception.getStacktrace();
+ String taskName = exception.getTaskName();
+ String endpoint = exception.getEndpoint();
+ String tmId = exception.getTaskManagerId();
+ Map<String, String> labels = exception.getFailureLabels();
+ String time =
DateTimeUtils.readable(Instant.ofEpochMilli(exception.getTimestamp()),
ZoneId.systemDefault());
+
+ StringBuilder combined = new StringBuilder();
+ combined.append("JobManager Exception at ").append(time).append(":\n");
+ combined.append(message).append("\n\n");
+
+ if (taskName != null) {
+ combined.append("Task: ").append(taskName).append("\n");
+ }
+ if (endpoint != null) {
+ combined.append("Endpoint: ").append(endpoint).append("\n");
+ }
+ if (tmId != null) {
+ combined.append("TaskManager ID: ").append(tmId).append("\n");
+ }
+
Review Comment:
@gyfora @rmetzger I have truncated the stacktrace, and moved everything else
to annotation. Can you please take a look? If this looks okay, I will work on
formalizing the PR.
Thanks
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