Hard to tell what causes failure in ZKAssign#createNodeClosing
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Key: HBASE-4384
URL: https://issues.apache.org/jira/browse/HBASE-4384
Project: HBase
Issue Type: Task
Components: zookeeper
Affects Versions: 0.90.0
Reporter: Harsh J
Assignee: Harsh J
Priority: Minor
Fix For: 0.94.0
The current code goes like:
{code}
467 public static int createNodeClosing(ZooKeeperWatcher zkw, HRegionInfo
region,
468 String serverName)
469 throws KeeperException, KeeperException.NodeExistsException {
470 LOG.debug(zkw.prefix("Creating unassigned node for " +
471 region.getEncodedName() + " in a CLOSING state"));
472
473 RegionTransitionData data = new RegionTransitionData(
474 EventType.RS_ZK_REGION_CLOSING, region.getRegionName(), serverName);
475
476 synchronized (zkw.getNodes()) {
477 String node = getNodeName(zkw, region.getEncodedName());
478 zkw.getNodes().add(node);
479 return ZKUtil.createAndWatch(zkw, node, data.getBytes());
480 }
481 }
{code}
Both WARN cases would be identical this way. In case of an exception, I think
an exception ought to be logged as well.
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