Jeffrey Zhong created HBASE-9157:
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Summary: ZKUtil.blockUntilAvailable loops forever with
KeeperException.ConnectionLossException
Key: HBASE-9157
URL: https://issues.apache.org/jira/browse/HBASE-9157
Project: HBase
Issue Type: Bug
Components: Zookeeper
Reporter: Jeffrey Zhong
Assignee: Jeffrey Zhong
Priority: Minor
In one of integration test, I observed that a thread keeps spinning error logs
"Unexpected exception handling blockUntilAvailable" due to
KeeperException.ConnectionLossException. Below is the related code:
{code}
while (!finished) {
try {
data = ZKUtil.getData(zkw, znode);
} catch(KeeperException e) {
LOG.warn("Unexpected exception handling blockUntilAvailable", e);
}
if (data == null && (System.currentTimeMillis() +
HConstants.SOCKET_RETRY_WAIT_MS < endTime)) {
Thread.sleep(HConstants.SOCKET_RETRY_WAIT_MS);
} else {
finished = true;
}
}
{code}
Since ConnectionLossException & SessionExpiredException are not recoverable
errors, the while loop can't break.
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