kasakrisz commented on code in PR #5559:
URL: https://github.com/apache/hive/pull/5559#discussion_r1872815665
##########
ql/src/java/org/apache/hadoop/hive/ql/exec/tez/monitoring/TezJobMonitor.java:
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@@ -280,6 +280,7 @@ public int monitorExecution() {
// best effort
}
console.printError("Execution has failed. stack trace: " +
ExceptionUtils.getStackTrace(e));
+ diagnostics.append(e.getMessage());
Review Comment:
It is necessary to deliver the error message from Tez to the client (HS2).
MR has this feature and the test
[`TestTxnCommands2.testFailHeartbeater`](https://github.com/apache/hive/blob/cf83d4751271622a9a700c6f2330dbfff38801d2/ql/src/test/org/apache/hadoop/hive/ql/TestTxnCommands2.java#L1639)
exploits it.
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