HBASE-4792 SplitRegionHandler doesn't care if it deletes the znode or not,
leaves the parent region stuck offline git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1202487 13f79535-47bb-0310-9956-ffa450edef68
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@ -87,9 +87,15 @@ public class SplitRegionHandler extends EventHandler implements TotesHRegionInfo
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this.daughters.get(0), this.daughters.get(1));
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this.daughters.get(0), this.daughters.get(1));
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// Remove region from ZK
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// Remove region from ZK
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try {
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try {
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ZKAssign.deleteNode(this.server.getZooKeeper(),
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this.parent.getEncodedName(),
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boolean successful = false;
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EventHandler.EventType.RS_ZK_REGION_SPLIT);
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while (!successful) {
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// It's possible that the RS tickles in between the reading of the
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// znode and the deleting, so it's safe to retry.
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successful = ZKAssign.deleteNode(this.server.getZooKeeper(),
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this.parent.getEncodedName(),
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EventHandler.EventType.RS_ZK_REGION_SPLIT);
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}
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} catch (KeeperException e) {
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} catch (KeeperException e) {
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server.abort("Error deleting SPLIT node in ZK for transition ZK node (" +
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server.abort("Error deleting SPLIT node in ZK for transition ZK node (" +
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parent.getEncodedName() + ")", e);
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parent.getEncodedName() + ")", e);
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@ -499,13 +499,13 @@ public class ZKAssign {
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}
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}
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if (expectedVersion != -1
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if (expectedVersion != -1
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&& stat.getVersion() != expectedVersion) {
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&& stat.getVersion() != expectedVersion) {
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LOG.warn("The node we are trying to delete is not the expected one. " +
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LOG.warn("The node " + regionName + " we are trying to delete is not" +
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"Got a version mismatch");
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" the expected one. Got a version mismatch");
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return false;
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return false;
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}
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}
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if(!ZKUtil.deleteNode(zkw, node, stat.getVersion())) {
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if(!ZKUtil.deleteNode(zkw, node, stat.getVersion())) {
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LOG.warn(zkw.prefix("Attempting to delete " +
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LOG.warn(zkw.prefix("Attempting to delete " +
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"unassigned node in " + expectedState +
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"unassigned node " + regionName + " in " + expectedState +
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" state but after verifying state, we got a version mismatch"));
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" state but after verifying state, we got a version mismatch"));
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return false;
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return false;
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}
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}
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