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From "Samuel Guo" <guosi...@gmail.com>
Subject Re: Hbase 0.18 : java.lang.NullPointerException at java.lang.String.<init>(String.java:433)
Date Mon, 27 Oct 2008 00:51:10 GMT
On Sun, Oct 26, 2008 at 8:50 PM, Yossi Ittach <yossale@gmail.com> wrote:

> Hi all:
>
> I'm afraid I don't have a lot to say about this exception , but I've
> encountered it a several times so far, and I'm not sure what causes it.
> Have
> any of you encountered it before?
>
> java.lang.NullPointerException
>       at java.lang.String.<init>(String.java:433)
>       at org.apache.hadoop.hbase.util.Bytes.toString(Bytes.java:75)
>       at
>
> org.apache.hadoop.hbase.client.RetriesExhaustedException.getMessage(RetriesExhaustedException.java:50)
>       at


It seems that it happened when you can't not connect to the hbase master
server.
try to make sure you hbase cluster work correctly, or make sure the Hbase
cluster's version match the hbase's version your aplication used.


>
>
> org.apache.hadoop.hbase.client.RetriesExhaustedException.<init>(RetriesExhaustedException.java:40)
>       at
>
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getRegionServerWithRetries(HConnectionManager.java:863)
>       at org.apache.hadoop.hbase.client.HTable.commit(HTable.java:964)
>       at org.apache.hadoop.hbase.client.HTable.commit(HTable.java:950)
>       at util.HBaseProxy.set(HBaseProxy.java:86)
>       at benchmark.DBFiller.inputSourceFilesNTimes(DBFiller.java:125)
>       at test.BenchmarkTests.basicBenchmarkTest(BenchmarkTests.java:46)
>       at run.RunTests.main(RunTests.java:18)
>
> Thanks.
>
> Vale et me ama
> Yossi
>

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