Patrick- Thanks a lot, the shell connections worked on each host. This is interesting because when I tried to run the very same code last week, it didn't work... does zookeeper just take a while to boot up or something? I left it up over the weekend, hence my thinking on time being a factor here...
I just started HBase up again and I got an IOException: NoNode for /hbase/master but then it started up anyways. However, when I run the shell and type "list" it gives me a "NoServerForRegionException: Timed out trying to locate root region" and then a huge trace. It then tries to debug and sleeps for intervals of 2000 ms. So it seems to me like the zookeeper tree doesn't have the information it's supposed to: am I right here? Is there a way to format and restart everything here/ will that help? Another interesting tidbit is that when I run "bin/stop-hbase" from my master, the HMaster gets shut down, but none of the regionservers do. -Mark -----Original Message----- From: Patrick Hunt [mailto:[email protected]] Sent: Friday, November 20, 2009 6:54 PM To: [email protected] Subject: Re: Zookeeper Error: Are you able to connect to the ZK quorum using the ZK shell? http://hadoop.apache.org/zookeeper/docs/current/zookeeperAdmin.html#sc_zkMulitServerSetup specifically try (replace "host" with fry or leela - test both hosts): java -cp zookeeper-3.2.1.jar:lib/log4j-1.2.15.jar:lib/jline-0.9.94.jar org.apache.zookeeper.ZooKeeperMain -server host:2181 which should output something like: Connecting to host:2181 Welcome to ZooKeeper! WatchedEvent: Server state change. New state: SyncConnected [zk: localhost:2181(CONNECTED) 0] The shell should indicate if you are able to connect or not, then try something like: ls / [badd1, fo3, foo::bar, p1, zookeeper, p0, foo:bar] [zk: localhost:2181(CONNECTED) 1] and see if that works? Patrick Mark Vigeant wrote: > Hey- > > So I'm trying to run a HBase 0.20.2 test instance on a 4 node hadoop 0.20.0 > cluster. I have a 2-server ZK 3.2.1 quorum and I started putting HBase on the > nodes, but I'm running into a problem: Whenever I try to create a test table > or something I get- > NativeException: > org.apache.hadoop.hbase.master.NotAllMetaRegionsOnlineException > Then a huge trace. Now, I think this has to do with my zookeeper instance, > but I'm not entirely sure. In my 2 zk nodes I have the following zoo.cfg: > > tickTime=2000 > dataDir=/home/hadoop/zookeeper-3.2.1/data > clientPort=2181 > initLimit=5 > syncLimit=2 > server.1=fry:2888:3888 > server.2=leela:2888:3888 > > The way I start zookeeper is by running bin/zkServer start on both, and they > then go through leader election etc. Is there something else I should run? > > Thanks a lot. I apologize for being a total n00b. Also, I know zookeeper is a > 2n+1 system but I don't know how to run a 1 server quorum without having it > run in standalone mode. > > Mark Vigeant > RiskMetrics Group, Inc. > > > This email message and any attachments are for the sole use of the intended > recipients and may contain proprietary and/or confidential information which > may be privileged or otherwise protected from disclosure. Any unauthorized > review, use, disclosure or distribution is prohibited. If you are not an > intended recipient, please contact the sender by reply email and destroy the > original message and any copies of the message as well as any attachments to > the original message. > This email message and any attachments are for the sole use of the intended recipients and may contain proprietary and/or confidential information which may be privileged or otherwise protected from disclosure. Any unauthorized review, use, disclosure or distribution is prohibited. If you are not an intended recipient, please contact the sender by reply email and destroy the original message and any copies of the message as well as any attachments to the original message.
