New discussion topic on DataCleaner's online discussion forum
(http://datacleaner.org/forum):
Mashud posted the subject 'HBASE connection'
-------------------
Hi Kasper,
I am working on connecting DC to HBASE, the connection appears successful and i
am able to see the HBASE table, but when i click on execute in the query
window, i get the an error. I wanted to double check if i am missing any
configuration steps.
{{{
SELECT *
FROM HBase.DQ_test
}}}
{{{
INFO 14:17:52.253 [AWT-EventQueue-0] QueryWindow - Parsed query: SELECT
DQ_test._id, DQ_test.NPI FROM HBase.DQ_test
WARN 14:17:53.922 [AWT-EventQueue-0] ScannerCallable - Ignore, probably
already closed
java.net.ConnectException: Connection refused: no further information
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(Unknown Source)
at
org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:531)
at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:495)
at
org.apache.hadoop.hbase.ipc.RpcClientImpl$Connection.setupConnection(RpcClientImpl.java:408)
at
org.apache.hadoop.hbase.ipc.RpcClientImpl$Connection.setupIOstreams(RpcClientImpl.java:714)
at
org.apache.hadoop.hbase.ipc.RpcClientImpl$Connection.writeRequest(RpcClientImpl.java:885)
at
org.apache.hadoop.hbase.ipc.RpcClientImpl$Connection.tracedWriteRequest(RpcClientImpl.java:854)
at
org.apache.hadoop.hbase.ipc.RpcClientImpl.call(RpcClientImpl.java:1180)
at
org.apache.hadoop.hbase.ipc.AbstractRpcClient.callBlockingMethod(AbstractRpcClient.java:213)
at
org.apache.hadoop.hbase.ipc.AbstractRpcClient$BlockingRpcChannelImplementation.callBlockingMethod(AbstractRpcClient.java:287)
at
org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$BlockingStub.scan(ClientProtos.java:32651)
at
org.apache.hadoop.hbase.client.ScannerCallable.close(ScannerCallable.java:355)
at
org.apache.hadoop.hbase.client.ScannerCallable.call(ScannerCallable.java:195)
at
org.apache.hadoop.hbase.client.ScannerCallableWithReplicas.call(ScannerCallableWithReplicas.java:142)
at
org.apache.hadoop.hbase.client.ScannerCallableWithReplicas.call(ScannerCallableWithReplicas.java:61)
at
org.apache.hadoop.hbase.client.RpcRetryingCaller.callWithoutRetries(RpcRetryingCaller.java:200)
at
org.apache.hadoop.hbase.client.ClientScanner.call(ClientScanner.java:320)
at
org.apache.hadoop.hbase.client.ClientScanner.close(ClientScanner.java:721)
at org.apache.metamodel.hbase.HBaseDataSet.close(HBaseDataSet.java:50)
at
org.apache.metamodel.data.SubSelectionDataSet.close(SubSelectionDataSet.java:61)
at
org.apache.metamodel.data.DataSetTableModel.materialize(DataSetTableModel.java:89)
at
org.apache.metamodel.data.DataSetTableModel.getRowCount(DataSetTableModel.java:78)
at
org.jdesktop.swingx.sort.TableSortController.setModel(TableSortController.java:62)
at
org.jdesktop.swingx.sort.TableSortController.<init>(TableSortController.java:49)
at org.jdesktop.swingx.JXTable.createDefaultRowSorter(JXTable.java:1746)
at org.jdesktop.swingx.JXTable.setModel(JXTable.java:1647)
at org.datacleaner.widgets.table.DCTable.setModel(DCTable.java:156)
at
org.datacleaner.windows.QueryWindow$1.actionPerformed(QueryWindow.java:103)
at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown
Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$500(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown
Source)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown
Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.awt.EventQueue$4.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown
Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
}}}
-------------------
View the topic online to reply - go to
http://datacleaner.org/topic/1111/HBASE-connection
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