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Avoid class cast exception from index writer #28989

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Merged
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Mar 12, 2018
Merged

Avoid class cast exception from index writer #28989

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8 changes: 7 additions & 1 deletion server/src/main/java/org/elasticsearch/index/engine/InternalEngine.java
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Original file line number Diff line number Diff line change
Expand Up @@ -1730,7 +1730,13 @@ private boolean failOnTragicEvent(AlreadyClosedException ex) {
// we need to fail the engine. it might have already been failed before
// but we are double-checking it's failed and closed
if (indexWriter.isOpen() == false && indexWriter.getTragicException() != null) {
failEngine("already closed by tragic event on the index writer", (Exception) indexWriter.getTragicException());
final Exception tragicException;
if (indexWriter.getTragicException() instanceof Exception) {
tragicException = (Exception) indexWriter.getTragicException();
} else {
tragicException = new RuntimeException(indexWriter.getTragicException());
}
failEngine("already closed by tragic event on the index writer", tragicException);
engineFailed = true;
} else if (translog.isOpen() == false && translog.getTragicException() != null) {
failEngine("already closed by tragic event on the translog", translog.getTragicException());
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