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From Ted Yu <yuzhih...@gmail.com>
Subject Re: Example of spinning up a Hbase mock style test for integration testing in scala
Date Mon, 14 Mar 2016 17:42:54 GMT
You can inspect the output from 'mvn dependency:tree' to see if any
incompatible hadoop dependency exists.

FYI

On Mon, Mar 14, 2016 at 10:26 AM, Parsian, Mahmoud <mparsian@illumina.com>
wrote:

> Hi Keech,
>
> Please post your sample test, its run log, version of Hbase , hadoop, …
> And make sure that hadoop-core-1.2.1.jar is not your classpath (causes
> many errors!).
>
> Best,
> Mahmoud
> From: Nkechi Achara <nkachara@googlemail.com<mailto:
> nkachara@googlemail.com>>
> Date: Monday, March 14, 2016 at 10:14 AM
> To: "user@hbase.apache.org<mailto:user@hbase.apache.org>" <
> user@hbase.apache.org<mailto:user@hbase.apache.org>>, Mahmoud Parsian <
> mparsian@illumina.com<mailto:mparsian@illumina.com>>
> Subject: Re: Example of spinning up a Hbase mock style test for
> integration testing in scala
>
>
> Thanks Mahmoud,
>
> This is what I am using,  but as the previous reply stated, I  receiving
> an exception when starting the cluster.
> Thinking about it, it looks to be more of a build problem of my hbase mini
> cluster,  as I am receiving the following error:
>
> 16/03/14 12:29:00 WARN datanode.DataNode: IOException in
> BlockReceiver.run():
>
> java.io.IOException: Failed to move meta file for ReplicaBeingWritten,
> blk_1073741825_1001, RBW
>
>   getNumBytes()     = 7
>
>   getBytesOnDisk()  = 7
>
>   getVisibleLength()= 7
>
>   getVolume()       =
> C:\Users\unknown\Documents\trs\target\test-data\780d11ca-27b8-4004-bed8-480bc9903125\dfscluster_d292c05b-0190-43b1-83b2-bebf483c8b3c\dfs\data\data1\current
>
>   getBlockFile()    =
> C:\Users\unknown\Documents\trs\target\test-data\780d11ca-27b8-4004-bed8-480bc9903125\dfscluster_d292c05b-0190-43b1-83b2-bebf483c8b3c\dfs\data\data1\current\BP-1081755239-10.66.90.86-1457954925705\current\rbw\blk_1073741825
>
>   bytesAcked=7
>
>   bytesOnDisk=7 from
> C:\Users\unknown\Documents\trs\target\test-data\780d11ca-27b8-4004-bed8-480bc9903125\dfscluster_d292c05b-0190-43b1-83b2-bebf483c8b3c\dfs\data\data1\current\BP-1081755239-10.66.90.86-1457954925705\current\rbw\blk_1073741825_1001.meta
> to
> C:\Users\unknown\Documents\trs\target\test-data\780d11ca-27b8-4004-bed8-480bc9903125\dfscluster_d292c05b-0190-43b1-83b2-bebf483c8b3c\dfs\data\data1\current\BP-1081755239-10.66.90.86-1457954925705\current\finalized\subdir0\subdir0\blk_1073741825_1001.meta
>
> at
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl.moveBlockFiles(FsDatasetImpl.java:615)
>
> at
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.BlockPoolSlice.addBlock(BlockPoolSlice.java:250)
>
> at
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsVolumeImpl.addBlock(FsVolumeImpl.java:229)
>
> at
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl.finalizeReplica(FsDatasetImpl.java:1119)
>
> at
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl.finalizeBlock(FsDatasetImpl.java:1100)
>
> at
> org.apache.hadoop.hdfs.server.datanode.BlockReceiver$PacketResponder.finalizeBlock(BlockReceiver.java:1293)
>
> at
> org.apache.hadoop.hdfs.server.datanode.BlockReceiver$PacketResponder.run(BlockReceiver.java:1233)
>
> at java.lang.Thread.run(Thread.java:745)
>
> Caused by: 3: The system cannot find the path specified.
>
> at org.apache.hadoop.io.nativeio.NativeIO.renameTo0(Native Method)
>
> at org.apache.hadoop.io.nativeio.NativeIO.renameTo(NativeIO.java:830)
>
> at
> org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl.moveBlockFiles(FsDatasetImpl.java:613)
>
> ... 7 more
>
> 16/03/14 12:29:00 INFO datanode.DataNode: Starting CheckDiskError Thread
>
> Thanks,
>
> Keech
>
> On 14 Mar 2016 6:10 pm, "Parsian, Mahmoud" <mparsian@illumina.com<mailto:
> mparsian@illumina.com>> wrote:
> Hi Keech,
>
> You may use the org.apache.hadoop.hbase.HBaseCommonTestingUtility class to
> start a ZK, and an HBase cluster and then do your unit tests and
> integration.
> I am using this with junit and it works very well. But I am using Java
> only.
>
> Best regards,
> Mahmoud Parsian
>
>
> On 3/13/16, 11:52 PM, "Nkechi Achara" <nkachara@googlemail.com<mailto:
> nkachara@googlemail.com>> wrote:
>
> >Hi,
> >
> >I am trying to find an example of how to spin up a Hbase server in a mock
> >or integration style, so I can test my code locally in my IDE.
> >I have tried fake-hbase and hbase testing utility and receive errors
> >especially when trying to start the cluster.
> >Has anyone got any examples in scala to do this?
> >
> >Thanks,
> >
> >Keech
>
>

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