zentol commented on a change in pull request #15049:
URL: https://github.com/apache/flink/pull/15049#discussion_r591475979
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/rest/handler/job/JobExceptionsHandler.java
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@@ -132,7 +143,61 @@ private static JobExceptionsInfo createJobExceptionsInfo(
}
}
+ final ErrorInfo rootCause = executionGraph.getFailureInfo();
+ return new JobExceptionsInfoWithHistory(
+ rootCause.getException().getOriginalErrorClassName(),
+ rootCause.getExceptionAsString(),
+ rootCause.getTimestamp(),
+ taskExceptionList,
+ truncated,
+ createJobExceptionHistory(
+ executionGraphInfo.getExceptionHistory(),
exceptionToReportMaxSize));
+ }
+
+ static JobExceptionsInfoWithHistory.JobExceptionHistory
createJobExceptionHistory(
+ BoundedFIFOQueue<ExceptionHistoryEntry> historyEntries, int limit)
{
+ // we need to reverse the history to have a stable result when doing
paging on it
+ final List<ExceptionHistoryEntry> reversedHistoryEntries = new
ArrayList<>();
+ Iterables.addAll(reversedHistoryEntries, historyEntries);
+ Collections.reverse(reversedHistoryEntries);
+
+ List<JobExceptionsInfo> exceptionHistoryEntries =
+ reversedHistoryEntries.stream()
+ .limit(limit)
+ .map(JobExceptionsHandler::createJobExceptionInfo)
+ .collect(Collectors.toList());
+
+ return new JobExceptionsInfoWithHistory.JobExceptionHistory(
+ exceptionHistoryEntries,
+ historyEntries.getElementCount(),
Review comment:
I think it will just create confusion. "There are 30 exceptions, but why
can I only see 10?"
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