Ivan Kelly created BOOKKEEPER-281:
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Summary: BKClient is failing when zkclient connection delays
Key: BOOKKEEPER-281
URL: https://issues.apache.org/jira/browse/BOOKKEEPER-281
Project: Bookkeeper
Issue Type: Bug
Reporter: Ivan Kelly
Assignee: Ivan Kelly
Fix For: 4.1.0
I have started the ZK cluster and when tries to create a BookKeeper client from
my application, it is throwing following ZooKeeper ConnectionLossException and
is exitting.
12/06/01 11:44:31 WARN client.ZooKeeperSaslClient: SecurityException:
java.lang.SecurityException: Unable to locate a login configuration occurred
when trying to find JAAS configuration.
12/06/01 11:44:31 INFO client.ZooKeeperSaslClient: Client will not
SASL-authenticate because the default JAAS configuration section 'Client' could
not be found. If you are not using SASL, you may ignore this. On the other
hand, if you expected SASL to work, please fix your JAAS configuration.
12/06/01 11:44:31 INFO zookeeper.ClientCnxn: Client session timed out, have not
heard from server in 4540ms for sessionid 0x0, closing socket connection and
attempting reconnect
12/06/01 11:44:32 INFO zookeeper.ClientCnxn: Opening socket connection to
server /10.18.40.91:2182
Exception in thread "main"
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode =
ConnectionLoss
at org.apache.zookeeper.KeeperException.create(KeeperException.java:99)
at
org.apache.bookkeeper.client.BookieWatcher.readBookiesBlocking(BookieWatcher.java:151)
at org.apache.bookkeeper.client.BookKeeper.<init>(BookKeeper.java:139)
at BKClient1.main(BKClient1.java:40)
12/06/01 11:44:36 WARN client.ZooKeeperSaslClient: SecurityException:
java.lang.SecurityException: Unable to locate a login configuration occurred
when trying to find JAAS configuration.
When analyzed more, the root cause is:
BookKeeper.java:
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In the constructor of BookKeeper, immediately after creating the ZK client , it
is going to bookieWatcher.readBookiesBlocking() for available bookies from ZK
server before reaching SyncConnected event.
I think, we would properly use the existing countdown latch and wait till
ZooKeeper client connection establishment before continue reading Bookies.
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