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From Stack <st...@duboce.net>
Subject Re: precommit exception when opening HFiles.
Date Wed, 16 Jan 2013 23:17:21 GMT
Easy enough to test by running a patch by hadoopqa?  TestLocalHBaseCluster
is failing w/ the above most of the time?

Good on you,
St.Ack


On Wed, Jan 16, 2013 at 3:07 PM, Ted Yu <yuzhihong@gmail.com> wrote:

> For TestLocalHBaseCluster test failure, the only explanation I can come up
> with is that in deserializeFromWritable(), majorVersion was <= 1. This
> would result in comparatorClassName not assigned (to concrete comparator
> classname) due to the following check (line 366):
>
>     if (majorVersion > 1) {
>
> Cheers
>
> On Wed, Jan 16, 2013 at 3:02 PM, lars hofhansl <larsh@apache.org> wrote:
>
> > In some of the failed test logs in trunk precommit I see these.
> > Look bad. Is that something to worry about?
> >
> >
> > java.io.IOException: java.io.IOException: java.io.IOException:
> > java.lang.InstantiationException: org.apache.hadoop.io.RawComparator
> >     at
> >
> org.apache.hadoop.hbase.regionserver.HRegion.initializeRegionInternals(HRegion.java:612)
> >     at
> > org.apache.hadoop.hbase.regionserver.HRegion.initialize(HRegion.java:533)
> >     at
> >
> org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:4086)
> >     at
> >
> org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:4036)
> >     at
> >
> org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.openRegion(OpenRegionHandler.java:427)
> >     at
> >
> org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.process(OpenRegionHandler.java:130)
> >     at
> > org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:202)
> >     at
> >
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> >     at
> >
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> >     at java.lang.Thread.run(Thread.java:662)
> > Caused by: java.io.IOException: java.io.IOException:
> > java.lang.InstantiationException: org.apache.hadoop.io.RawComparator
> >     at
> >
> org.apache.hadoop.hbase.regionserver.HStore.loadStoreFiles(HStore.java:450)
> >     at
> org.apache.hadoop.hbase.regionserver.HStore.<init>(HStore.java:215)
> >     at
> >
> org.apache.hadoop.hbase.regionserver.HRegion.instantiateHStore(HRegion.java:3060)
> >     at
> > org.apache.hadoop.hbase.regionserver.HRegion$1.call(HRegion.java:585)
> >     at
> > org.apache.hadoop.hbase.regionserver.HRegion$1.call(HRegion.java:583)
> >     at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> >     at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> >     at
> > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
> >     at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> >     at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> >     ... 3 more
> > Caused by: java.io.IOException: java.lang.InstantiationException:
> > org.apache.hadoop.io.RawComparator
> >     at
> >
> org.apache.hadoop.hbase.io.hfile.FixedFileTrailer.createComparator(FixedFileTrailer.java:607)
> >     at
> >
> org.apache.hadoop.hbase.io.hfile.FixedFileTrailer.createComparator(FixedFileTrailer.java:615)
> >     at
> >
> org.apache.hadoop.hbase.io.hfile.HFileReaderV2.<init>(HFileReaderV2.java:115)
> >     at
> > org.apache.hadoop.hbase.io.hfile.HFile.pickReaderVersion(HFile.java:564)
> >     at
> >
> org.apache.hadoop.hbase.io.hfile.HFile.createReaderWithEncoding(HFile.java:599)
> >     at
> >
> org.apache.hadoop.hbase.regionserver.StoreFile$Reader.<init>(StoreFile.java:1294)
> >     at
> > org.apache.hadoop.hbase.regionserver.StoreFile.open(StoreFile.java:525)
> >     at
> >
> org.apache.hadoop.hbase.regionserver.StoreFile.createReader(StoreFile.java:628)
> >     at
> org.apache.hadoop.hbase.regionserver.HStore$1.call(HStore.java:426)
> >     at
> org.apache.hadoop.hbase.regionserver.HStore$1.call(HStore.java:422)
> >     ... 8 more
> > Caused by: java.lang.InstantiationException:
> > org.apache.hadoop.io.RawComparator
> >     at java.lang.Class.newInstance0(Class.java:340)
> >     at java.lang.Class.newInstance(Class.java:308)
> >     at
> >
> org.apache.hadoop.hbase.io.hfile.FixedFileTrailer.createComparator(FixedFileTrailer.java:605)
> >     ... 17 more
> >
>

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