Zookeeper 3.3.1 shouldn't infinite loop if someone creates a server.0 line
---------------------------------------------------------------------------
Key: ZOOKEEPER-785
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-785
Project: Zookeeper
Issue Type: Bug
Affects Versions: 3.3.1
Environment: Tested in linux with a new jvm
Reporter: Alex Newman
The following config causes an infinite loop
[zoo.cfg]
tickTime=2000
dataDir=/var/zookeeper/
clientPort=2181
initLimit=10
syncLimit=5
server.0=localhost:2888:3888
Output:
2010-06-01 16:20:32,471 - INFO [main:quorumpeerm...@119] - Starting quorum peer
2010-06-01 16:20:32,489 - INFO [main:nioservercnxn$fact...@143] - binding to
port 0.0.0.0/0.0.0.0:2181
2010-06-01 16:20:32,504 - INFO [main:quorump...@818] - tickTime set to 2000
2010-06-01 16:20:32,504 - INFO [main:quorump...@829] - minSessionTimeout set to
-1
2010-06-01 16:20:32,505 - INFO [main:quorump...@840] - maxSessionTimeout set to
-1
2010-06-01 16:20:32,505 - INFO [main:quorump...@855] - initLimit set to 10
2010-06-01 16:20:32,526 - INFO [main:files...@82] - Reading snapshot
/var/zookeeper/version-2/snapshot.c
2010-06-01 16:20:32,547 - INFO [Thread-1:quorumcnxmanager$liste...@436] - My
election bind port: 3888
2010-06-01 16:20:32,554 - INFO
[QuorumPeer:/0:0:0:0:0:0:0:0:2181:quorump...@620] - LOOKING
2010-06-01 16:20:32,556 - INFO
[QuorumPeer:/0:0:0:0:0:0:0:0:2181:fastleaderelect...@649] - New election. My id
= 0, Proposed zxid = 12
2010-06-01 16:20:32,558 - INFO
[QuorumPeer:/0:0:0:0:0:0:0:0:2181:fastleaderelect...@689] - Notification: 0,
12, 1, 0, LOOKING, LOOKING, 0
2010-06-01 16:20:32,560 - WARN
[QuorumPeer:/0:0:0:0:0:0:0:0:2181:quorump...@623] - Unexpected exception
java.lang.NullPointerException
at
org.apache.zookeeper.server.quorum.FastLeaderElection.totalOrderPredicate(FastLeaderElection.java:496)
at
org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(FastLeaderElection.java:709)
at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:621)
2010-06-01 16:20:32,560 - INFO
[QuorumPeer:/0:0:0:0:0:0:0:0:2181:quorump...@620] - LOOKING
2010-06-01 16:20:32,560 - INFO
[QuorumPeer:/0:0:0:0:0:0:0:0:2181:fastleaderelect...@649] - New election. My id
= 0, Proposed zxid = 12
2010-06-01 16:20:32,561 - INFO
[QuorumPeer:/0:0:0:0:0:0:0:0:2181:fastleaderelect...@689] - Notification: 0,
12, 2, 0, LOOKING, LOOKING, 0
2010-06-01 16:20:32,561 - WARN
[QuorumPeer:/0:0:0:0:0:0:0:0:2181:quorump...@623] - Unexpected exception
java.lang.NullPointerException
at
org.apache.zookeeper.server.quorum.FastLeaderElection.totalOrderPredicate(FastLeaderElection.java:496)
at
org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(FastLeaderElection.java:709)
at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:621)
2010-06-01 16:20:32,561 - INFO
[QuorumPeer:/0:0:0:0:0:0:0:0:2181:quorump...@620] - LOOKING
2010-06-01 16:20:32,562 - INFO
[QuorumPeer:/0:0:0:0:0:0:0:0:2181:fastleaderelect...@649] - New election. My id
= 0, Proposed zxid = 12
2010-06-01 16:20:32,562 - INFO
[QuorumPeer:/0:0:0:0:0:0:0:0:2181:fastleaderelect...@689] - Notification: 0,
12, 3, 0, LOOKING, LOOKING, 0
2010-06-01 16:20:32,562 - WARN
[QuorumPeer:/0:0:0:0:0:0:0:0:2181:quorump...@623] - Unexpected exception
java.lang.NullPointerException
Things like HBase require that the zookeeper servers be listed in the zoo.cfg.
This is a bug on their part, but zookeeper shouldn't null pointer in a loop
though.
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
