Multi node H2O cluster

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amars...@gmail.com

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Feb 25, 2015, 5:45:16 AM2/25/15
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Hi,

I am trying to implement multi node H2O using the instructions provided in the URL http://docs.0xdata.com/deployment/multinode.html

But facing below error. Please help.

"RuntimeException: java.lang.RuntimeException: java.util.concurrent.ExecutionException"

Thanks,
Amar

amars...@gmail.com

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Feb 25, 2015, 6:25:05 AM2/25/15
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The detailed error is as below. I am trying to execute it using H2O UI


java.util.concurrent.ExecutionException: java.lang.NullPointerException
+ at jsr166y.ForkJoinTask.get(ForkJoinTask.java:961)
+ at water.Futures.blockForPending(Futures.java:68)
+ at water.fvec.Frame.vecs_impl(Frame.java:215)
+ at water.fvec.Frame.vecs(Frame.java:189)
+ at water.Value.isRawData(Value.java:248)
+ at water.H2O$KeyInfo.<init>(H2O.java:1412)
+ at water.H2O$KeySnapshot.localSnapshot(H2O.java:1505)
+ at water.H2O$KeySnapshot$GlobalUKeySetTask.lcompute(H2O.java:1531)
+ at water.DRemoteTask.compute2(DRemoteTask.java:91)
+ at water.H2O$H2OCountedCompleter.compute(H2O.java:653)
+ at jsr166y.CountedCompleter.exec(CountedCompleter.java:429)
+ at jsr166y.ForkJoinTask.doExec(ForkJoinTask.java:263)
+ at jsr166y.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:974)
+ at jsr166y.ForkJoinPool.runWorker(ForkJoinPool.java:1477)
+ at jsr166y.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:104)
+ Caused by: java.lang.NullPointerException
+ at water.fvec.Vec.chunkKey(Vec.java:660)
+ at water.fvec.Vec.chunkKey(Vec.java:658)
+ at water.fvec.Vec.toString(Vec.java:858)
+ at java.lang.String.valueOf(String.java:2847)
+ at java.lang.StringBuilder.append(StringBuilder.java:128)
+ at water.Value.get(Value.java:110)
+ at water.fvec.Frame$1.compute2(Frame.java:208)

cli...@0xdata.com

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Feb 25, 2015, 4:22:03 PM2/25/15
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Can you send us the log files?  This is a very generic stack trace.

Thanks,
Cliff
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