Hi, when running an application that interfaces with an HBase installation (v. 0.20.6) I noticed that the Hbase shutdown hooks hangs. This does not happen every time, but frequently. This is the call stack when it hangs:
HCM.shutdownHook: java.lang.Object.wait(Native Method) java.lang.Object.wait(Object.java:485) org.apache.zookeeper.ClientCnxn.submitRequest(ClientCnxn.java:1099) org.apache.zookeeper.ClientCnxn.close(ClientCnxn.java:1077) org.apache.zookeeper.ZooKeeper.close(ZooKeeper.java:505) - locked org.apache.zookeeper.zookee...@d28057 org.apache.hadoop.hbase.zookeeper.ZooKeeperWrapper.close(ZooKeeperWrapper.java:681) org.apache.hadoop.hbase.client.HConnectionManager $ClientZKWatcher.resetZooKeeper(HConnectionManager.java:233) - locked org.apache.hadoop.hbase.client.HConnectionManager $clientzkwatc...@1711c2c org.apache.hadoop.hbase.client.HConnectionManager$ClientZKWatcher.access $000(HConnectionManager.java:181) org.apache.hadoop.hbase.client.HConnectionManager.deleteAllConnections(HConnectionManager.java:154) - locked java.util.hash...@1d01254 org.apache.hadoop.hbase.client.HConnectionManager $1.run(HConnectionManager.java:77) Is there anything like a time out that would make zoo keeper give up? Thanks, Henning
