Thanks Andrew. This seems like a blocker. Waiting for the patch :).
thanks mahadev On Mon, Dec 19, 2011 at 5:28 PM, Andrew McNair <[email protected]>wrote: > Sorry, I'd missed this message. I just created ZOOKEEPER-1333 for the > same issue. > > -Andrew > > On Mon, Dec 19, 2011 at 2:48 PM, Jeremy Stribling <[email protected]> > wrote: > > I'm seeing a NullPointerException in ZK 3.4.1, and it seems to usually > > happen when I restart a server from standalone mode into quorum mode. It > > doesn't happen every time, but I can reproduce it pretty reliably in my > > tests: > > > > 2011-12-19 14:33:04,036 2195 [pool-1-thread-2] INFO > > org.apache.zookeeper.server.quorum.QuorumPeer - tickTime set to 3000 > > 2011-12-19 14:33:04,036 2195 [pool-1-thread-2] INFO > > org.apache.zookeeper.server.quorum.QuorumPeer - initLimit set to 5 > > 2011-12-19 14:33:04,038 2197 [pool-1-thread-2] INFO > > org.apache.zookeeper.server.persistence.FileSnap - Reading snapshot > > <zkdir>/version-2/snapshot.0 > > 2011-12-19 14:33:04,040 2199 [pool-1-thread-2] DEBUG > > org.apache.zookeeper.server.persistence.FileTxnLog - Created new input > > stream <zkdir>/version-2/log.1 > > 2011-12-19 14:33:04,041 2200 [pool-1-thread-2] DEBUG > > org.apache.zookeeper.server.persistence.FileTxnLog - Created new input > > archive <zkdir>/version-2/log.1 > > 2011-12-19 14:33:04,041 2200 [pool-1-thread-2] DEBUG > > org.apache.zookeeper.server.DataTree - Ignoring processTxn failure hdr: > -1 > > : error: -101 > > java.lang.NullPointerException > > at > > > org.apache.zookeeper.server.persistence.FileTxnSnapLog.processTransaction(FileTxnSnapLog.java:203) > > at > > > org.apache.zookeeper.server.persistence.FileTxnSnapLog.restore(FileTxnSnapLog.java:150) > > at > > org.apache.zookeeper.server.ZKDatabase.loadDataBase(ZKDatabase.java:223) > > at > > > org.apache.zookeeper.server.quorum.QuorumPeer.loadDataBase(QuorumPeer.java:418) > > at > > org.apache.zookeeper.server.quorum.QuorumPeer.start(QuorumPeer.java:410) > > at > > com.nicira.onix.zookeeper.Zookeeper.StartZookeeper(Zookeeper.java:203) > > at > > com.nicira.onix.zookeeper.Zookeeper.RestartZookeeper(Zookeeper.java:282) > > at > com.nicira.onix.zookeeper.ZKRPCService.setServers(ZKRPC.java:83) > > at > > com.nicira.onix.zookeeper.Zkrpc$ZKRPCService.callMethod(Zkrpc.java:8487) > > at com.nicira.onix.rpc.RPC$10.run(RPC.java:534) > > at > > > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) > > at > > > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) > > at java.lang.Thread.run(Thread.java:636) > > > > (Note that I've replaced my zookeeper directory in the message above with > > <zkdir> for readability.) > > > > It appears to be a problem in the on-disk data, since if I then try > starting > > up a standalone server with the same directory, I get the same error. > I've > > attached a tarball containing the version-2 directory that demonstrates > the > > problem. > > > > If folks think this is a real problem in supported Zookeeper > configurations, > > I'll happily open a JIRA. > > > > Jeremy > > >
