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HADOOP-8405. ZKFC tests leak ZK instances. Contributed by Todd Lipcon. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-3042@1339435 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Todd Lipcon 2012-05-17 00:38:59 +00:00
parent 0600e834be
commit 7b1d347b43
3 changed files with 16 additions and 1 deletions
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2
hadoop-common-project/hadoop-common/CHANGES.HDFS-3042.txt
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@ -25,3 +25,5 @@ HADOOP-8306. ZKFC: improve error message when ZK is not running. (todd)
HADOOP-8279. Allow manual failover to be invoked when auto-failover is enabled. (todd)
HADOOP-8276. Auto-HA: add config for java options to pass to zkfc daemon (todd via eli)
HADOOP-8405. ZKFC tests leak ZK instances. (todd)

11
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ActiveStandbyElector.java
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@ -717,11 +717,20 @@ public class ActiveStandbyElector implements StatCallback, StringCallback {
}
private void createConnection() throws IOException {
if (zkClient != null) {
try {
zkClient.close();
} catch (InterruptedException e) {
throw new IOException("Interrupted while closing ZK",
e);
}
zkClient = null;
}
zkClient = getNewZooKeeper();
LOG.debug("Created new connection for " + this);
}
private void terminateConnection() {
void terminateConnection() {
if (zkClient == null) {
return;
}

4
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ZKFailoverController.java
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@ -163,6 +163,10 @@ public abstract class ZKFailoverController {
return doRun(args);
} catch (Exception t) {
throw new RuntimeException(t);
} finally {
if (elector != null) {
elector.terminateConnection();
}
}
}
});