I'm trying to get HBase to run in non distributed mode on my Linux laptop, following quickstart: http://hbase.apache.org/book/quickstart.html
I can't find a 0.93 snapshot on any mirror, so I've tried compiling trunk from source and the 0.90.4 binary. In both cases, I get zookeeper connect errors in the log and eventually the java process dies. I attached my log file. I'm running Debian sid, and here is my java version: java version "1.6.0_23" OpenJDK Runtime Environment (IcedTea6 1.11pre) (6b23~pre11-1) OpenJDK Client VM (build 20.0-b11, mixed mode, sharing) I tried commenting out this in conf/hbase-env.sh: # Extra Java runtime options. # Below are what we set by default. May only work with SUN JVM. # For more on why as well as other possible settings, # see http://wiki.apache.org/hadoop/PerformanceTuning #export HBASE_OPTS="-ea -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode" and I get the same behavior. Any ideas? Are there known issues running under OpenJDK? Thanks, Bryce
Wed Nov 23 14:30:57 CST 2011 Starting master on tuxtop ulimit -n 1024 2011-11-23 14:30:58,222 INFO org.apache.zookeeper.server.ZooKeeperServer: Server environment:zookeeper.version=3.3.2-1031432, built on 11/05/2010 05:32 GMT 2011-11-23 14:30:58,222 INFO org.apache.zookeeper.server.ZooKeeperServer: Server environment:host.name=tuxtop.lan 2011-11-23 14:30:58,222 INFO org.apache.zookeeper.server.ZooKeeperServer: Server environment:java.version=1.6.0_23 2011-11-23 14:30:58,222 INFO org.apache.zookeeper.server.ZooKeeperServer: Server environment:java.vendor=Sun Microsystems Inc. 2011-11-23 14:30:58,222 INFO org.apache.zookeeper.server.ZooKeeperServer: Server environment:java.home=/usr/lib/jvm/java-6-openjdk-i386/jre 2011-11-23 14:30:58,222 INFO org.apache.zookeeper.server.ZooKeeperServer: Server environment:java.class.path=/home/bda/src/hbase-0.90.4/bin/../conf:/usr/lib/jvm/java-6-openjdk-i386/jre/lib/tools.jar:/home/bda/src/hbase-0.90.4/bin/..:/home/bda/src/hbase-0.90.4/bin/../hbase-0.90.4.jar:/home/bda/src/hbase-0.90.4/bin/../hbase-0.90.4-tests.jar:/home/bda/src/hbase-0.90.4/bin/../lib/activation-1.1.jar:/home/bda/src/hbase-0.90.4/bin/../lib/asm-3.1.jar:/home/bda/src/hbase-0.90.4/bin/../lib/avro-1.3.3.jar:/home/bda/src/hbase-0.90.4/bin/../lib/commons-cli-1.2.jar:/home/bda/src/hbase-0.90.4/bin/../lib/commons-codec-1.4.jar:/home/bda/src/hbase-0.90.4/bin/../lib/commons-el-1.0.jar:/home/bda/src/hbase-0.90.4/bin/../lib/commons-httpclient-3.1.jar:/home/bda/src/hbase-0.90.4/bin/../lib/commons-lang-2.5.jar:/home/bda/src/hbase-0.90.4/bin/../lib/commons-logging-1.1.1.jar:/home/bda/src/hbase-0.90.4/bin/../lib/commons-net-1.4.1.jar:/home/bda/src/hbase-0.90.4/bin/../lib/core-3.1.1.jar:/home/bda/src/hbase-0.90.4/bin/../lib/guava-r06.jar:/home/bda/src/hbase-0.90.4/bin/../lib/hadoop-core-0.20-append-r1056497.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jackson-core-asl-1.5.5.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jackson-jaxrs-1.5.5.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jackson-mapper-asl-1.4.2.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jackson-xc-1.5.5.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jasper-compiler-5.5.23.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jasper-runtime-5.5.23.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jaxb-api-2.1.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jaxb-impl-2.1.12.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jersey-core-1.4.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jersey-json-1.4.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jersey-server-1.4.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jettison-1.1.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jetty-6.1.26.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jetty-util-6.1.26.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jruby-complete-1.6.0.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jsp-2.1-6.1.14.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jsp-api-2.1-6.1.14.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jsr311-api-1.1.1.jar:/home/bda/src/hbase-0.90.4/bin/../lib/log4j-1.2.16.jar:/home/bda/src/hbase-0.90.4/bin/../lib/protobuf-java-2.3.0.jar:/home/bda/src/hbase-0.90.4/bin/../lib/servlet-api-2.5-6.1.14.jar:/home/bda/src/hbase-0.90.4/bin/../lib/slf4j-api-1.5.8.jar:/home/bda/src/hbase-0.90.4/bin/../lib/slf4j-log4j12-1.5.8.jar:/home/bda/src/hbase-0.90.4/bin/../lib/stax-api-1.0.1.jar:/home/bda/src/hbase-0.90.4/bin/../lib/thrift-0.2.0.jar:/home/bda/src/hbase-0.90.4/bin/../lib/xmlenc-0.52.jar:/home/bda/src/hbase-0.90.4/bin/../lib/zookeeper-3.3.2.jar 2011-11-23 14:30:58,223 INFO org.apache.zookeeper.server.ZooKeeperServer: Server environment:java.library.path=/usr/lib/jvm/java-6-openjdk-i386/jre/lib/i386/client:/usr/lib/jvm/java-6-openjdk-i386/jre/lib/i386:/usr/lib/jvm/java-6-openjdk-i386/jre/../lib/i386:/usr/java/packages/lib/i386:/usr/lib/i386-linux-gnu/jni:/lib/i386-linux-gnu:/usr/lib/i386-linux-gnu:/usr/lib/jni:/lib:/usr/lib 2011-11-23 14:30:58,223 INFO org.apache.zookeeper.server.ZooKeeperServer: Server environment:java.io.tmpdir=/tmp 2011-11-23 14:30:58,223 INFO org.apache.zookeeper.server.ZooKeeperServer: Server environment:java.compiler=<NA> 2011-11-23 14:30:58,223 INFO org.apache.zookeeper.server.ZooKeeperServer: Server environment:os.name=Linux 2011-11-23 14:30:58,223 INFO org.apache.zookeeper.server.ZooKeeperServer: Server environment:os.arch=i386 2011-11-23 14:30:58,223 INFO org.apache.zookeeper.server.ZooKeeperServer: Server environment:os.version=3.1-1.slh.3-aptosid-686 2011-11-23 14:30:58,223 INFO org.apache.zookeeper.server.ZooKeeperServer: Server environment:user.name=bda 2011-11-23 14:30:58,223 INFO org.apache.zookeeper.server.ZooKeeperServer: Server environment:user.home=/home/bda 2011-11-23 14:30:58,223 INFO org.apache.zookeeper.server.ZooKeeperServer: Server environment:user.dir=/home/bda/src/hbase-0.90.4 2011-11-23 14:30:58,244 INFO org.apache.zookeeper.server.ZooKeeperServer: Created server with tickTime 2000 minSessionTimeout 4000 maxSessionTimeout 40000 datadir /var/lib/hbase/zookeeper/zookeeper/version-2 snapdir /var/lib/hbase/zookeeper/zookeeper/version-2 2011-11-23 14:30:58,265 INFO org.apache.zookeeper.server.NIOServerCnxn: binding to port 0.0.0.0/0.0.0.0:2181 2011-11-23 14:30:58,272 INFO org.apache.zookeeper.server.persistence.FileTxnSnapLog: Snapshotting: 0 2011-11-23 14:30:58,386 INFO org.apache.zookeeper.server.NIOServerCnxn: Accepted socket connection from /127.0.0.1:52271 2011-11-23 14:30:58,391 INFO org.apache.zookeeper.server.NIOServerCnxn: Processing stat command from /127.0.0.1:52271 2011-11-23 14:30:58,395 INFO org.apache.zookeeper.server.NIOServerCnxn: Stat command output 2011-11-23 14:30:58,396 INFO org.apache.hadoop.hbase.zookeeper.MiniZooKeeperCluster: Started MiniZK Server on client port: 2181 2011-11-23 14:30:58,401 INFO org.apache.zookeeper.server.NIOServerCnxn: Closed socket connection for client /127.0.0.1:52271 (no session established for client) 2011-11-23 14:30:58,448 INFO org.apache.hadoop.hbase.ipc.HBaseRpcMetrics: Initializing RPC Metrics with hostName=HMasterCommandLine$LocalHMaster, port=58194 2011-11-23 14:30:58,476 INFO org.apache.hadoop.hbase.security.User: Skipping login, not running on secure Hadoop 2011-11-23 14:30:58,478 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server Responder: starting 2011-11-23 14:30:58,480 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server listener on 58194: starting 2011-11-23 14:30:58,480 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 0 on 58194: starting 2011-11-23 14:30:58,480 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 1 on 58194: starting 2011-11-23 14:30:58,481 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 2 on 58194: starting 2011-11-23 14:30:58,481 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 3 on 58194: starting 2011-11-23 14:30:58,481 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 4 on 58194: starting 2011-11-23 14:30:58,481 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 5 on 58194: starting 2011-11-23 14:30:58,481 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 6 on 58194: starting 2011-11-23 14:30:58,481 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 7 on 58194: starting 2011-11-23 14:30:58,482 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 8 on 58194: starting 2011-11-23 14:30:58,488 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server handler 9 on 58194: starting 2011-11-23 14:30:58,501 INFO org.apache.zookeeper.ZooKeeper: Client environment:zookeeper.version=3.3.2-1031432, built on 11/05/2010 05:32 GMT 2011-11-23 14:30:58,501 INFO org.apache.zookeeper.ZooKeeper: Client environment:host.name=tuxtop.lan 2011-11-23 14:30:58,501 INFO org.apache.zookeeper.ZooKeeper: Client environment:java.version=1.6.0_23 2011-11-23 14:30:58,501 INFO org.apache.zookeeper.ZooKeeper: Client environment:java.vendor=Sun Microsystems Inc. 2011-11-23 14:30:58,501 INFO org.apache.zookeeper.ZooKeeper: Client environment:java.home=/usr/lib/jvm/java-6-openjdk-i386/jre 2011-11-23 14:30:58,501 INFO org.apache.zookeeper.ZooKeeper: Client environment:java.class.path=/home/bda/src/hbase-0.90.4/bin/../conf:/usr/lib/jvm/java-6-openjdk-i386/jre/lib/tools.jar:/home/bda/src/hbase-0.90.4/bin/..:/home/bda/src/hbase-0.90.4/bin/../hbase-0.90.4.jar:/home/bda/src/hbase-0.90.4/bin/../hbase-0.90.4-tests.jar:/home/bda/src/hbase-0.90.4/bin/../lib/activation-1.1.jar:/home/bda/src/hbase-0.90.4/bin/../lib/asm-3.1.jar:/home/bda/src/hbase-0.90.4/bin/../lib/avro-1.3.3.jar:/home/bda/src/hbase-0.90.4/bin/../lib/commons-cli-1.2.jar:/home/bda/src/hbase-0.90.4/bin/../lib/commons-codec-1.4.jar:/home/bda/src/hbase-0.90.4/bin/../lib/commons-el-1.0.jar:/home/bda/src/hbase-0.90.4/bin/../lib/commons-httpclient-3.1.jar:/home/bda/src/hbase-0.90.4/bin/../lib/commons-lang-2.5.jar:/home/bda/src/hbase-0.90.4/bin/../lib/commons-logging-1.1.1.jar:/home/bda/src/hbase-0.90.4/bin/../lib/commons-net-1.4.1.jar:/home/bda/src/hbase-0.90.4/bin/../lib/core-3.1.1.jar:/home/bda/src/hbase-0.90.4/bin/../lib/guava-r06.jar:/home/bda/src/hbase-0.90.4/bin/../lib/hadoop-core-0.20-append-r1056497.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jackson-core-asl-1.5.5.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jackson-jaxrs-1.5.5.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jackson-mapper-asl-1.4.2.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jackson-xc-1.5.5.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jasper-compiler-5.5.23.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jasper-runtime-5.5.23.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jaxb-api-2.1.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jaxb-impl-2.1.12.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jersey-core-1.4.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jersey-json-1.4.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jersey-server-1.4.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jettison-1.1.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jetty-6.1.26.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jetty-util-6.1.26.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jruby-complete-1.6.0.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jsp-2.1-6.1.14.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jsp-api-2.1-6.1.14.jar:/home/bda/src/hbase-0.90.4/bin/../lib/jsr311-api-1.1.1.jar:/home/bda/src/hbase-0.90.4/bin/../lib/log4j-1.2.16.jar:/home/bda/src/hbase-0.90.4/bin/../lib/protobuf-java-2.3.0.jar:/home/bda/src/hbase-0.90.4/bin/../lib/servlet-api-2.5-6.1.14.jar:/home/bda/src/hbase-0.90.4/bin/../lib/slf4j-api-1.5.8.jar:/home/bda/src/hbase-0.90.4/bin/../lib/slf4j-log4j12-1.5.8.jar:/home/bda/src/hbase-0.90.4/bin/../lib/stax-api-1.0.1.jar:/home/bda/src/hbase-0.90.4/bin/../lib/thrift-0.2.0.jar:/home/bda/src/hbase-0.90.4/bin/../lib/xmlenc-0.52.jar:/home/bda/src/hbase-0.90.4/bin/../lib/zookeeper-3.3.2.jar 2011-11-23 14:30:58,501 INFO org.apache.zookeeper.ZooKeeper: Client environment:java.library.path=/usr/lib/jvm/java-6-openjdk-i386/jre/lib/i386/client:/usr/lib/jvm/java-6-openjdk-i386/jre/lib/i386:/usr/lib/jvm/java-6-openjdk-i386/jre/../lib/i386:/usr/java/packages/lib/i386:/usr/lib/i386-linux-gnu/jni:/lib/i386-linux-gnu:/usr/lib/i386-linux-gnu:/usr/lib/jni:/lib:/usr/lib 2011-11-23 14:30:58,501 INFO org.apache.zookeeper.ZooKeeper: Client environment:java.io.tmpdir=/tmp 2011-11-23 14:30:58,501 INFO org.apache.zookeeper.ZooKeeper: Client environment:java.compiler=<NA> 2011-11-23 14:30:58,501 INFO org.apache.zookeeper.ZooKeeper: Client environment:os.name=Linux 2011-11-23 14:30:58,501 INFO org.apache.zookeeper.ZooKeeper: Client environment:os.arch=i386 2011-11-23 14:30:58,501 INFO org.apache.zookeeper.ZooKeeper: Client environment:os.version=3.1-1.slh.3-aptosid-686 2011-11-23 14:30:58,501 INFO org.apache.zookeeper.ZooKeeper: Client environment:user.name=bda 2011-11-23 14:30:58,502 INFO org.apache.zookeeper.ZooKeeper: Client environment:user.home=/home/bda 2011-11-23 14:30:58,502 INFO org.apache.zookeeper.ZooKeeper: Client environment:user.dir=/home/bda/src/hbase-0.90.4 2011-11-23 14:30:58,503 INFO org.apache.zookeeper.ZooKeeper: Initiating client connection, connectString=localhost:2181 sessionTimeout=180000 watcher=master:58194 2011-11-23 14:30:58,528 INFO org.apache.zookeeper.ClientCnxn: Opening socket connection to server localhost/127.0.0.1:2181 2011-11-23 14:30:58,529 WARN org.apache.zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect java.net.SocketException: Network is unreachable at sun.nio.ch.Net.connect(Native Method) at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:525) at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1050) at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1077) 2011-11-23 14:31:00,121 INFO org.apache.zookeeper.ClientCnxn: Opening socket connection to server localhost/127.0.0.1:2181 2011-11-23 14:31:00,122 WARN org.apache.zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect java.net.SocketException: Network is unreachable at sun.nio.ch.Net.connect(Native Method) at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:525) at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1050) at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1077) 2011-11-23 14:31:01,536 INFO org.apache.zookeeper.ClientCnxn: Opening socket connection to server localhost/127.0.0.1:2181 2011-11-23 14:31:01,537 WARN org.apache.zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect java.net.SocketException: Network is unreachable at sun.nio.ch.Net.connect(Native Method) at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:525) at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1050) at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1077) 2011-11-23 14:31:02,781 INFO org.apache.zookeeper.ClientCnxn: Opening socket connection to server localhost/127.0.0.1:2181 2011-11-23 14:31:02,782 WARN org.apache.zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect java.net.SocketException: Network is unreachable at sun.nio.ch.Net.connect(Native Method) at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:525) at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1050) at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1077) 2011-11-23 14:31:04,755 INFO org.apache.zookeeper.ClientCnxn: Opening socket connection to server localhost/127.0.0.1:2181 2011-11-23 14:31:04,756 WARN org.apache.zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect java.net.SocketException: Network is unreachable at sun.nio.ch.Net.connect(Native Method) at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:525) at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1050) at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1077) 2011-11-23 14:31:06,790 INFO org.apache.zookeeper.ClientCnxn: Opening socket connection to server localhost/127.0.0.1:2181 2011-11-23 14:31:06,791 WARN org.apache.zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect java.net.SocketException: Network is unreachable at sun.nio.ch.Net.connect(Native Method) at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:525) at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1050) at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1077) 2011-11-23 14:31:08,115 INFO org.apache.zookeeper.ClientCnxn: Opening socket connection to server localhost/127.0.0.1:2181 2011-11-23 14:31:08,116 WARN org.apache.zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect java.net.SocketException: Network is unreachable at sun.nio.ch.Net.connect(Native Method) at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:525) at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1050) at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1077) 2011-11-23 14:31:09,686 INFO org.apache.zookeeper.ClientCnxn: Opening socket connection to server localhost/127.0.0.1:2181 2011-11-23 14:31:09,687 WARN org.apache.zookeeper.ClientCnxn: Session 0x0 for server null, unexpected error, closing socket connection and attempting reconnect java.net.SocketException: Network is unreachable at sun.nio.ch.Net.connect(Native Method) at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:525) at org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1050) at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1077) 2011-11-23 14:31:09,890 INFO org.apache.zookeeper.ZooKeeper: Session: 0x0 closed 2011-11-23 14:31:09,891 ERROR org.apache.hadoop.hbase.master.HMasterCommandLine: Failed to start master java.lang.RuntimeException: Failed construction of RegionServer: class org.apache.hadoop.hbase.master.HMasterCommandLine$LocalHMasterKeeperErrorCode = ConnectionLoss for /hbase at org.apache.hadoop.hbase.util.JVMClusterUtil.createMasterThread(JVMClusterUtil.java:155) at org.apache.hadoop.hbase.LocalHBaseCluster.addMaster(LocalHBaseCluster.java:197) at org.apache.hadoop.hbase.LocalHBaseCluster.<init>(LocalHBaseCluster.java:147) at org.apache.hadoop.hbase.master.HMasterCommandLine.startMaster(HMasterCommandLine.java:137) at org.apache.hadoop.hbase.master.HMasterCommandLine.run(HMasterCommandLine.java:102) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:76) at org.apache.hadoop.hbase.master.HMaster.main(HMaster.java:1078) Caused by: org.apache.hadoop.hbase.ZooKeeperConnectionException: HBase is able to connect to ZooKeeper but the connection closes immediately. This could be a sign that the server has too many connections (30 is the default). Consider inspecting your ZK server logs for that error and then make sure you are reusing HBaseConfiguration as often as you can. See HTable's javadoc for more information. at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.<init>(ZooKeeperWatcher.java:155) at org.apache.hadoop.hbase.master.HMaster.<init>(HMaster.java:222) at org.apache.hadoop.hbase.master.HMasterCommandLine$LocalHMaster.<init>(HMasterCommandLine.java:188) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:532) at org.apache.hadoop.hbase.util.JVMClusterUtil.createMasterThread(JVMClusterUtil.java:152) ... 7 more Caused by: org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss for /hbase at org.apache.zookeeper.KeeperException.create(KeeperException.java:90) at org.apache.zookeeper.KeeperException.create(KeeperException.java:42) at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:809) at org.apache.zookeeper.ZooKeeper.exists(ZooKeeper.java:837) at org.apache.hadoop.hbase.zookeeper.ZKUtil.createAndFailSilent(ZKUtil.java:903) at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.<init>(ZooKeeperWatcher.java:133) ... 14 more 2011-11-23 14:31:09,891 INFO org.apache.zookeeper.ClientCnxn: EventThread shut down
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