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Posted to dev@whirr.apache.org by "Guido Serra aka Zeph (JIRA)" <ji...@apache.org> on 2012/12/13 16:48:13 UTC

[jira] [Updated] (WHIRR-686) hbase cluster answers (to a client connecting from the internet) with internal AWS addresses

     [ https://issues.apache.org/jira/browse/WHIRR-686?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Guido Serra aka Zeph updated WHIRR-686:
---------------------------------------

    Description: 
I created a cluster with the default settings from https://svn.apache.org/repos/asf/whirr/trunk/recipes/hbase-cdh.properties

Then, opened the Data-Integration client from Pentaho, 
and created a New Transformation > Big Data > Hbase Output
 - http://wiki.pentaho.com/display/BAD/Loading+Data+into+HBase

(I had started the client via command line, to obtain the logs below)
bq. INFO  13-12 15:34:08,408 - Session establishment complete on server ec2-XX-XX-XX-XX.eu-west-1.compute.amazonaws.com/XXX.XXX.XXX.XXX:2181, sessionid = 0x13b947912cf003b, negotiated timeout = 40000
bq. java.net.UnknownHostException: unknown host: ip-XX-XX-XX-XX.eu-west-1.compute.internal
...the full stacktrace:
{code}
INFO  13-12 15:34:08,284 - Initiating client connection, connectString=ec2-XX-XX-XX-XX.eu-west-1.compute.amazonaws.com:2181 sessionTimeout=180000 watcher=hconnection
INFO  13-12 15:34:08,285 - Opening socket connection to server /176.34.212.37:2181
INFO  13-12 15:34:08,285 - The identifier of this process is 97895@v1.local
WARN  13-12 15:34:08,321 - SecurityException: java.lang.SecurityException: Unable to locate a login configuration occurred when trying to find JAAS configuration.
INFO  13-12 15:34:08,321 - Client will not SASL-authenticate because the default JAAS configuration section 'Client' could not be found. If you are not using SASL, you may ignore this. On the other hand, if you expected SASL to work, please fix your JAAS configuration.
INFO  13-12 15:34:08,363 - Socket connection established to ec2-XX-XX-XX-XX.eu-west-1.compute.amazonaws.com/XXX.XXX.XXX.XXX:2181, initiating session
INFO  13-12 15:34:08,408 - Session establishment complete on server ec2-XX-XX-XX-XX.eu-west-1.compute.amazonaws.com/XXX.XXX.XXX.XXX:2181, sessionid = 0x13b947912cf003b, negotiated timeout = 40000
INFO  13-12 15:34:24,670 - getMaster attempt 0 of 10 failed; retrying after sleep of 1000
java.net.UnknownHostException: unknown host: ip-XX-XX-XX-XX.eu-west-1.compute.internal
	at org.apache.hadoop.hbase.ipc.HBaseClient$Connection.<init>(HBaseClient.java:227)
	at org.apache.hadoop.hbase.ipc.HBaseClient.getConnection(HBaseClient.java:1035)
	at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:897)
	at org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:150)
	at $Proxy20.getProtocolVersion(Unknown Source)
	at org.apache.hadoop.hbase.ipc.WritableRpcEngine.getProxy(WritableRpcEngine.java:183)
	at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:303)
	at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:280)
	at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:332)
	at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getMaster(HConnectionManager.java:642)
	at org.apache.hadoop.hbase.client.HBaseAdmin.<init>(HBaseAdmin.java:106)
	at org.pentaho.hbase.shim.common.CommonHBaseConnection.configureConnection(CommonHBaseConnection.java:135)
	at org.pentaho.di.trans.steps.hbaseoutput.HBaseOutputData.getHBaseConnection(HBaseOutputData.java:102)
	at org.pentaho.di.trans.steps.hbaseoutput.HBaseOutputDialog.getHBaseConnection(HBaseOutputDialog.java:784)
	at org.pentaho.di.trans.steps.hbaseoutput.HBaseOutputDialog.setupMappedTableNames(HBaseOutputDialog.java:796)
	at org.pentaho.di.trans.steps.hbaseoutput.HBaseOutputDialog.access$1300(HBaseOutputDialog.java:77)
	at org.pentaho.di.trans.steps.hbaseoutput.HBaseOutputDialog$9.widgetSelected(HBaseOutputDialog.java:436)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:240)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4128)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1457)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1480)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1465)
	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1270)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3974)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3613)
	at org.pentaho.di.trans.steps.hbaseoutput.HBaseOutputDialog.open(HBaseOutputDialog.java:628)
	at org.pentaho.di.ui.spoon.delegates.SpoonStepsDelegate.editStep(SpoonStepsDelegate.java:136)
	at org.pentaho.di.ui.spoon.Spoon.editStep(Spoon.java:7835)
	at org.pentaho.di.ui.spoon.trans.TransGraph.editStep(TransGraph.java:2749)
	at org.pentaho.di.ui.spoon.trans.TransGraph.mouseDoubleClick(TransGraph.java:705)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:195)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4128)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1457)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1480)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1465)
	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1270)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3974)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3613)
	at org.pentaho.di.ui.spoon.Spoon.readAndDispatch(Spoon.java:1221)
	at org.pentaho.di.ui.spoon.Spoon.waitForDispose(Spoon.java:7044)
	at org.pentaho.di.ui.spoon.Spoon.start(Spoon.java:8304)
	at org.pentaho.di.ui.spoon.Spoon.main(Spoon.java:580)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.pentaho.commons.launcher.Launcher.main(Launcher.java:134)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at apple.launcher.LaunchRunner.run(LaunchRunner.java:116)
	at apple.launcher.LaunchRunner.callMain(LaunchRunner.java:51)
	at apple.launcher.JavaApplicationLauncher.launch(JavaApplicationLauncher.java:52)
{code}

is it a configuration issue? (of the configuration created by WHIRR?)

p.s. "zkCli -server public-ip:2181" works like a charme...

  was:
I created a cluster with the default settings from https://svn.apache.org/repos/asf/whirr/trunk/recipes/hbase-cdh.properties

Then, opened the Data-Integration client from Pentaho, 
and created a New Transformation > Big Data > Hbase Output

(I had started the client via command line, to obtain the logs below)
bq. INFO  13-12 15:34:08,408 - Session establishment complete on server ec2-XX-XX-XX-XX.eu-west-1.compute.amazonaws.com/XXX.XXX.XXX.XXX:2181, sessionid = 0x13b947912cf003b, negotiated timeout = 40000
bq. java.net.UnknownHostException: unknown host: ip-XX-XX-XX-XX.eu-west-1.compute.internal
...the full stacktrace:
{code}
INFO  13-12 15:34:08,284 - Initiating client connection, connectString=ec2-XX-XX-XX-XX.eu-west-1.compute.amazonaws.com:2181 sessionTimeout=180000 watcher=hconnection
INFO  13-12 15:34:08,285 - Opening socket connection to server /176.34.212.37:2181
INFO  13-12 15:34:08,285 - The identifier of this process is 97895@v1.local
WARN  13-12 15:34:08,321 - SecurityException: java.lang.SecurityException: Unable to locate a login configuration occurred when trying to find JAAS configuration.
INFO  13-12 15:34:08,321 - Client will not SASL-authenticate because the default JAAS configuration section 'Client' could not be found. If you are not using SASL, you may ignore this. On the other hand, if you expected SASL to work, please fix your JAAS configuration.
INFO  13-12 15:34:08,363 - Socket connection established to ec2-XX-XX-XX-XX.eu-west-1.compute.amazonaws.com/XXX.XXX.XXX.XXX:2181, initiating session
INFO  13-12 15:34:08,408 - Session establishment complete on server ec2-XX-XX-XX-XX.eu-west-1.compute.amazonaws.com/XXX.XXX.XXX.XXX:2181, sessionid = 0x13b947912cf003b, negotiated timeout = 40000
INFO  13-12 15:34:24,670 - getMaster attempt 0 of 10 failed; retrying after sleep of 1000
java.net.UnknownHostException: unknown host: ip-XX-XX-XX-XX.eu-west-1.compute.internal
	at org.apache.hadoop.hbase.ipc.HBaseClient$Connection.<init>(HBaseClient.java:227)
	at org.apache.hadoop.hbase.ipc.HBaseClient.getConnection(HBaseClient.java:1035)
	at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:897)
	at org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:150)
	at $Proxy20.getProtocolVersion(Unknown Source)
	at org.apache.hadoop.hbase.ipc.WritableRpcEngine.getProxy(WritableRpcEngine.java:183)
	at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:303)
	at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:280)
	at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:332)
	at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getMaster(HConnectionManager.java:642)
	at org.apache.hadoop.hbase.client.HBaseAdmin.<init>(HBaseAdmin.java:106)
	at org.pentaho.hbase.shim.common.CommonHBaseConnection.configureConnection(CommonHBaseConnection.java:135)
	at org.pentaho.di.trans.steps.hbaseoutput.HBaseOutputData.getHBaseConnection(HBaseOutputData.java:102)
	at org.pentaho.di.trans.steps.hbaseoutput.HBaseOutputDialog.getHBaseConnection(HBaseOutputDialog.java:784)
	at org.pentaho.di.trans.steps.hbaseoutput.HBaseOutputDialog.setupMappedTableNames(HBaseOutputDialog.java:796)
	at org.pentaho.di.trans.steps.hbaseoutput.HBaseOutputDialog.access$1300(HBaseOutputDialog.java:77)
	at org.pentaho.di.trans.steps.hbaseoutput.HBaseOutputDialog$9.widgetSelected(HBaseOutputDialog.java:436)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:240)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4128)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1457)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1480)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1465)
	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1270)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3974)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3613)
	at org.pentaho.di.trans.steps.hbaseoutput.HBaseOutputDialog.open(HBaseOutputDialog.java:628)
	at org.pentaho.di.ui.spoon.delegates.SpoonStepsDelegate.editStep(SpoonStepsDelegate.java:136)
	at org.pentaho.di.ui.spoon.Spoon.editStep(Spoon.java:7835)
	at org.pentaho.di.ui.spoon.trans.TransGraph.editStep(TransGraph.java:2749)
	at org.pentaho.di.ui.spoon.trans.TransGraph.mouseDoubleClick(TransGraph.java:705)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:195)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4128)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1457)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1480)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1465)
	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1270)
	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3974)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3613)
	at org.pentaho.di.ui.spoon.Spoon.readAndDispatch(Spoon.java:1221)
	at org.pentaho.di.ui.spoon.Spoon.waitForDispose(Spoon.java:7044)
	at org.pentaho.di.ui.spoon.Spoon.start(Spoon.java:8304)
	at org.pentaho.di.ui.spoon.Spoon.main(Spoon.java:580)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.pentaho.commons.launcher.Launcher.main(Launcher.java:134)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at apple.launcher.LaunchRunner.run(LaunchRunner.java:116)
	at apple.launcher.LaunchRunner.callMain(LaunchRunner.java:51)
	at apple.launcher.JavaApplicationLauncher.launch(JavaApplicationLauncher.java:52)
{code}

is it a configuration issue? (of the configuration created by WHIRR?)

p.s. "zkCli -server public-ip:2181" works like a charme...

    Environment: 
Pentaho's pdi-ce-4.4.0

        Summary: hbase cluster answers (to a client connecting from the internet) with internal AWS addresses  (was: hbase cluster answers with internal AWS addresses (leading Pentaho's pdi-ce-4.4.0 to fail on connection))
    
> hbase cluster answers (to a client connecting from the internet) with internal AWS addresses
> --------------------------------------------------------------------------------------------
>
>                 Key: WHIRR-686
>                 URL: https://issues.apache.org/jira/browse/WHIRR-686
>             Project: Whirr
>          Issue Type: Bug
>         Environment: Pentaho's pdi-ce-4.4.0
>            Reporter: Guido Serra aka Zeph
>         Attachments: debug_dump.log
>
>
> I created a cluster with the default settings from https://svn.apache.org/repos/asf/whirr/trunk/recipes/hbase-cdh.properties
> Then, opened the Data-Integration client from Pentaho, 
> and created a New Transformation > Big Data > Hbase Output
>  - http://wiki.pentaho.com/display/BAD/Loading+Data+into+HBase
> (I had started the client via command line, to obtain the logs below)
> bq. INFO  13-12 15:34:08,408 - Session establishment complete on server ec2-XX-XX-XX-XX.eu-west-1.compute.amazonaws.com/XXX.XXX.XXX.XXX:2181, sessionid = 0x13b947912cf003b, negotiated timeout = 40000
> bq. java.net.UnknownHostException: unknown host: ip-XX-XX-XX-XX.eu-west-1.compute.internal
> ...the full stacktrace:
> {code}
> INFO  13-12 15:34:08,284 - Initiating client connection, connectString=ec2-XX-XX-XX-XX.eu-west-1.compute.amazonaws.com:2181 sessionTimeout=180000 watcher=hconnection
> INFO  13-12 15:34:08,285 - Opening socket connection to server /176.34.212.37:2181
> INFO  13-12 15:34:08,285 - The identifier of this process is 97895@v1.local
> WARN  13-12 15:34:08,321 - SecurityException: java.lang.SecurityException: Unable to locate a login configuration occurred when trying to find JAAS configuration.
> INFO  13-12 15:34:08,321 - Client will not SASL-authenticate because the default JAAS configuration section 'Client' could not be found. If you are not using SASL, you may ignore this. On the other hand, if you expected SASL to work, please fix your JAAS configuration.
> INFO  13-12 15:34:08,363 - Socket connection established to ec2-XX-XX-XX-XX.eu-west-1.compute.amazonaws.com/XXX.XXX.XXX.XXX:2181, initiating session
> INFO  13-12 15:34:08,408 - Session establishment complete on server ec2-XX-XX-XX-XX.eu-west-1.compute.amazonaws.com/XXX.XXX.XXX.XXX:2181, sessionid = 0x13b947912cf003b, negotiated timeout = 40000
> INFO  13-12 15:34:24,670 - getMaster attempt 0 of 10 failed; retrying after sleep of 1000
> java.net.UnknownHostException: unknown host: ip-XX-XX-XX-XX.eu-west-1.compute.internal
> 	at org.apache.hadoop.hbase.ipc.HBaseClient$Connection.<init>(HBaseClient.java:227)
> 	at org.apache.hadoop.hbase.ipc.HBaseClient.getConnection(HBaseClient.java:1035)
> 	at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:897)
> 	at org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:150)
> 	at $Proxy20.getProtocolVersion(Unknown Source)
> 	at org.apache.hadoop.hbase.ipc.WritableRpcEngine.getProxy(WritableRpcEngine.java:183)
> 	at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:303)
> 	at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:280)
> 	at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:332)
> 	at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getMaster(HConnectionManager.java:642)
> 	at org.apache.hadoop.hbase.client.HBaseAdmin.<init>(HBaseAdmin.java:106)
> 	at org.pentaho.hbase.shim.common.CommonHBaseConnection.configureConnection(CommonHBaseConnection.java:135)
> 	at org.pentaho.di.trans.steps.hbaseoutput.HBaseOutputData.getHBaseConnection(HBaseOutputData.java:102)
> 	at org.pentaho.di.trans.steps.hbaseoutput.HBaseOutputDialog.getHBaseConnection(HBaseOutputDialog.java:784)
> 	at org.pentaho.di.trans.steps.hbaseoutput.HBaseOutputDialog.setupMappedTableNames(HBaseOutputDialog.java:796)
> 	at org.pentaho.di.trans.steps.hbaseoutput.HBaseOutputDialog.access$1300(HBaseOutputDialog.java:77)
> 	at org.pentaho.di.trans.steps.hbaseoutput.HBaseOutputDialog$9.widgetSelected(HBaseOutputDialog.java:436)
> 	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:240)
> 	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
> 	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4128)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1457)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1480)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1465)
> 	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1270)
> 	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3974)
> 	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3613)
> 	at org.pentaho.di.trans.steps.hbaseoutput.HBaseOutputDialog.open(HBaseOutputDialog.java:628)
> 	at org.pentaho.di.ui.spoon.delegates.SpoonStepsDelegate.editStep(SpoonStepsDelegate.java:136)
> 	at org.pentaho.di.ui.spoon.Spoon.editStep(Spoon.java:7835)
> 	at org.pentaho.di.ui.spoon.trans.TransGraph.editStep(TransGraph.java:2749)
> 	at org.pentaho.di.ui.spoon.trans.TransGraph.mouseDoubleClick(TransGraph.java:705)
> 	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:195)
> 	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
> 	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4128)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1457)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1480)
> 	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1465)
> 	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1270)
> 	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3974)
> 	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3613)
> 	at org.pentaho.di.ui.spoon.Spoon.readAndDispatch(Spoon.java:1221)
> 	at org.pentaho.di.ui.spoon.Spoon.waitForDispose(Spoon.java:7044)
> 	at org.pentaho.di.ui.spoon.Spoon.start(Spoon.java:8304)
> 	at org.pentaho.di.ui.spoon.Spoon.main(Spoon.java:580)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at org.pentaho.commons.launcher.Launcher.main(Launcher.java:134)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at apple.launcher.LaunchRunner.run(LaunchRunner.java:116)
> 	at apple.launcher.LaunchRunner.callMain(LaunchRunner.java:51)
> 	at apple.launcher.JavaApplicationLauncher.launch(JavaApplicationLauncher.java:52)
> {code}
> is it a configuration issue? (of the configuration created by WHIRR?)
> p.s. "zkCli -server public-ip:2181" works like a charme...

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