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HDFS-14048. DFSOutputStream close() throws exception on subsequent call after DataNode restart. Contributed by Erik Krogen.

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This commit is contained in:
Inigo Goiri 2018-11-06 11:18:15 -08:00
parent 00a67f770e
commit 887244de4a
2 changed files with 3 additions and 0 deletions
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1
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DataStreamer.java
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@ -1781,6 +1781,7 @@ boolean createBlockOutputStream(DatanodeInfo[] nodes,
blockStream = out;
result = true; // success
errorState.resetInternalError();
lastException.clear();
// remove all restarting nodes from failed nodes list
failed.removeAll(restartingNodes);
restartingNodes.clear();

2
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestClientProtocolForPipelineRecovery.java
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@ -436,6 +436,8 @@ public Boolean get() {
0, out.getStreamer().getPipelineRecoveryCount());
out.write(1);
out.close();
// Ensure that subsequent closes are idempotent and do not throw errors
out.close();
} finally {
if (cluster != null) {
cluster.shutdown();