[DRILL-754] Scan of hbase table timed out

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.4.0
• Fix Version/s: 0.4.0
• Component/s: Storage - HBase
• Labels: hbase
• Assignee: Aditya Kishore
• Reporter: Krystal
• Created: 15/May/14 21:58
• Updated: 31/Jul/14 06:33
• Resolved: 16/May/14 21:20

Description

Ran the following query against a hbase table:

select * from student limit 5;

The query hung and after a few minutes, it exited. The following error displayed from sqlline:

Thu May 15 14:38:09 PDT 2014, org.apache.hadoop.hbase.client.ScannerCallable@2e1486cd, org.apache.hadoop.hbase.ZooKeeperConnectionException: An error is preventing HBase from connecting to ZooKeeper

The following error was generated in drillbit.out:
14:31:56.193 [CuratorFramework-0] ERROR com.netflix.curator.ConnectionState - Connection timed out for connection string (10.10.100.56:5181) and timeout (5000) / elapsed (6744)
org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss
at com.netflix.curator.ConnectionState.getZooKeeper(ConnectionState.java:94) ~[curator-client-1.1.9.jar:na]
at com.netflix.curator.CuratorZookeeperClient.getZooKeeper(CuratorZookeeperClient.java:106) [curator-client-1.1.9.jar:na]
at com.netflix.curator.framework.imps.CuratorFrameworkImpl.getZooKeeper(CuratorFrameworkImpl.java:393) [curator-framework-1.1.9.jar:na]
at com.netflix.curator.framework.imps.BackgroundSyncImpl.performBackgroundOperation(BackgroundSyncImpl.java:39) [curator-framework-1.1.9.jar:na]
at com.netflix.curator.framework.imps.OperationAndData.callPerformBackgroundOperation(OperationAndData.java:47) [curator-framework-1.1.9.jar:na]
at com.netflix.curator.framework.imps.CuratorFrameworkImpl.backgroundOperationsLoop(CuratorFrameworkImpl.java:601) [curator-framework-1.1.9.jar:na]
at com.netflix.curator.framework.imps.CuratorFrameworkImpl.access$200(CuratorFrameworkImpl.java:53) [curator-framework-1.1.9.jar:na]
at com.netflix.curator.framework.imps.CuratorFrameworkImpl$2.call(CuratorFrameworkImpl.java:199) [curator-framework-1.1.9.jar:na]
at java.util.concurrent.FutureTask.run(FutureTask.java:262) [na:1.7.0_45]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_45]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_45]
at java.lang.Thread.run(Thread.java:744) [na:1.7.0_45]