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HBase, mail # dev - "Column family prefix used twice" (was Re: Build failed in Jenkins: HBase-0.94 #443)


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Re: "Column family prefix used twice" (was Re: Build failed in Jenkins: HBase-0.94 #443)
Lars Hofhansl 2013-09-07, 20:11
I've seen this too on the regular Jenkins. Will check it out as well.

Andrew Purtell <[EMAIL PROTECTED]> schrieb:

>I'm looking into several recent failed 0.94 builds on EC2 Jenkins. Several
>of the failures look like this:
>
>Error Message
>
>
>Column family prefix used twice: cf.cf.bt.Data.fsReadnumops
>
>
>Stacktrace
>
>
>java.lang.AssertionError: Column family prefix used twice:
>cf.cf.bt.Data.fsReadnumops
>
> at org.apache.hadoop.hbase.regionserver.metrics.SchemaMetrics.validateMetricChanges(SchemaMetrics.java:885)
>
> at org.apache.hadoop.hbase.io.hfile.TestScannerSelectionUsingKeyRange.testScannerSelection(TestScannerSelectionUsingKeyRange.java:125)
>
>
>Running the failing tests locally 100 times in a loop does not reproduce,
>I'm only seeing this on the EC2 test slaves.
>
>At this point I don't know enough to implicate any particular recent
>change. Could also be some kind of formerly latent bug. Going to try test
>reverts of recent changes.
>
>I've also increased the build frequency for the EC2 HBase-0.94 job to on
>every checkin plus every 4 hours.
>
>
>On Sat, Sep 7, 2013 at 9:20 AM, <[EMAIL PROTECTED]> wrote:
>
>> See <http://jenkins-public.iridiant.net/job/HBase-0.94/443/>
>>
>> ------------------------------------------
>> [...truncated 7739 lines...]
>> Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.152 sec
>> Running
>> org.apache.hadoop.hbase.regionserver.TestBatchHRegionLockingAndWrites
>> Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.34 sec
>> Running org.apache.hadoop.hbase.regionserver.TestColumnSeeking
>> Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.941 sec
>> Running
>> org.apache.hadoop.hbase.regionserver.TestMiniBatchOperationInProgress
>> Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.106 sec
>> Running org.apache.hadoop.hbase.regionserver.TestCompaction
>> Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 52.15 sec
>> Running org.apache.hadoop.hbase.regionserver.metrics.TestSchemaConfigured
>> Tests run: 11, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.084 sec
>> Running org.apache.hadoop.hbase.regionserver.TestCompoundBloomFilter
>> Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 20.302 sec
>> Running org.apache.hadoop.hbase.regionserver.TestCompactSelection
>> Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.063 sec
>> Running org.apache.hadoop.hbase.regionserver.TestScanner
>> Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 2.683 sec
>> Running
>> org.apache.hadoop.hbase.regionserver.TestMultiVersionConsistencyControl
>> Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 10.009 sec
>> Running org.apache.hadoop.hbase.regionserver.TestMemStore
>> Tests run: 24, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 18.905 sec
>> Running org.apache.hadoop.hbase.TestHDFSBlocksDistribution
>> Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec
>> Running org.apache.hadoop.hbase.TestSerialization
>> Tests run: 19, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.072 sec
>> Running org.apache.hadoop.hbase.metrics.TestExponentiallyDecayingSample
>> Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.016 sec
>> Running org.apache.hadoop.hbase.metrics.TestMetricsHistogram
>> Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.023 sec
>> Running org.apache.hadoop.hbase.metrics.TestExactCounterMetric
>> Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec
>> Running org.apache.hadoop.hbase.metrics.file.TestTimeStampingMetricsContext
>> Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.015 sec
>> Running org.apache.hadoop.hbase.TestNodeHealthCheckChore
>> Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 4.054 sec
>> Running org.apache.hadoop.hbase.coprocessor.TestRegionObserverStacking
>> Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.062 sec