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HBase, mail # user - Bulk load fails with NullPointerException


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Amit Sela 2012-11-06, 10:28
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Jean-Daniel Cryans 2012-11-06, 18:05
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Amit Sela 2012-11-06, 18:49
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Jean-Marc Spaggiari 2012-11-06, 18:51
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Re: Bulk load fails with NullPointerException
Amit Sela 2012-11-06, 20:08
Do you mean setting: hbase.hregion.majorcompaction to 0 ?
Because it's already set this way. We pre-create new regions before writing
to HBase and initiate a major compaction once a day.

On Tue, Nov 6, 2012 at 8:51 PM, Jean-Marc Spaggiari <[EMAIL PROTECTED]
> wrote:

> Maybe one option will be to disable the compaction, load the data,
> re-activate the compaction, major-compact the data?
>
> 2012/11/6, Amit Sela <[EMAIL PROTECTED]>:
> > Seems like that's the one alright... Any ideas how to avoid it ? maybe a
> > patch ?
> >
> > On Tue, Nov 6, 2012 at 8:05 PM, Jean-Daniel Cryans
> > <[EMAIL PROTECTED]>wrote:
> >
> >> This sounds a lot like https://issues.apache.org/jira/browse/HBASE-5458
> >>
> >> On Tue, Nov 6, 2012 at 2:28 AM, Amit Sela <[EMAIL PROTECTED]> wrote:
> >> > Hi all,
> >> >
> >> > I'm trying to bulk load using LoadIncrementalHFiles and I get a
> >> > NullPointerException
> >> > at:
> >>
> org.apache.hadoop.io.compress.zlib.ZlibFactory.isNativeZlibLoaded(ZlibFactory.java:63).
> >> >
> >> > It looks like DefaultCodec has no set configuration...
> >> >
> >> > Anyone encounter this before ?
> >> >
> >> > Thanks.
> >> >
> >> >>>>>>>>Full exception thrown:
> >> >
> >> > java.util.concurrent.ExecutionException:
> java.lang.NullPointerException
> >> > at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
> >> > at java.util.concurrent.FutureTask.get(FutureTask.java:83)
> >> > at
> >> >
> >>
> org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles.groupOrSplitPhase(LoadIncrementalHFiles.java:333)
> >> > at
> >> >
> >>
> org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles.doBulkLoad(LoadIncrementalHFiles.java:232)
> >> > at
> >> >
> >>
> com.infolinks.hadoop.jobrunner.UrlsHadoopJobExecutor.executeURLJob(UrlsHadoopJobExecutor.java:204)
> >> > at
> >> >
> >>
> com.infolinks.hadoop.jobrunner.UrlsHadoopJobExecutor.runJobIgnoreSystemJournal(UrlsHadoopJobExecutor.java:86)
> >> > at
> >> >
> >>
> com.infolinks.hadoop.jobrunner.HadoopJobExecutor.main(HadoopJobExecutor.java:182)
> >> > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> >> > at
> >> >
> >>
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> >> > at
> >> >
> >>
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >> > at java.lang.reflect.Method.invoke(Method.java:597)
> >> > at org.apache.hadoop.util.RunJar.main(RunJar.java:156)
> >> > Caused by: java.lang.NullPointerException
> >> > at
> >> >
> >>
> org.apache.hadoop.io.compress.zlib.ZlibFactory.isNativeZlibLoaded(ZlibFactory.java:63)
> >> > at
> >> >
> >>
> org.apache.hadoop.io.compress.GzipCodec.getDecompressorType(GzipCodec.java:142)
> >> > at
> >> >
> >>
> org.apache.hadoop.io.compress.CodecPool.getDecompressor(CodecPool.java:125)
> >> > at
> >> >
> >>
> org.apache.hadoop.hbase.io.hfile.Compression$Algorithm.getDecompressor(Compression.java:290)
> >> > at
> >> >
> >>
> org.apache.hadoop.hbase.io.hfile.HFileBlock$AbstractFSReader.decompress(HFileBlock.java:1391)
> >> > at
> >> >
> >>
> org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderV2.readBlockDataInternal(HFileBlock.java:1897)
> >> > at
> >> >
> >>
> org.apache.hadoop.hbase.io.hfile.HFileBlock$FSReaderV2.readBlockData(HFileBlock.java:1637)
> >> > at
> >> >
> >>
> org.apache.hadoop.hbase.io.hfile.HFileBlock$AbstractFSReader$1.nextBlock(HFileBlock.java:1286)
> >> > at
> >> >
> >>
> org.apache.hadoop.hbase.io.hfile.HFileBlock$AbstractFSReader$1.nextBlockWithBlockType(HFileBlock.java:1294)
> >> > at
> >> >
> >>
> org.apache.hadoop.hbase.io.hfile.HFileReaderV2.<init>(HFileReaderV2.java:126)
> >> > at
> >> org.apache.hadoop.hbase.io.hfile.HFile.pickReaderVersion(HFile.java:552)
> >> > at
> >> >
> >>
> org.apache.hadoop.hbase.io.hfile.HFile.createReaderWithEncoding(HFile.java:589)
> >> > at org.apache.hadoop.hbase.io.hfile.HFile.createReader(HFile.java:603)
> >> > at
> >> >
> >>
> org.apache.hadoop.hbase.mapreduce.LoadIncrementalHFiles.groupOrSplit(LoadIncrementalHFiles.java:402)
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Jean-Marc Spaggiari 2012-11-06, 20:27
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Amit Sela 2012-11-07, 07:44
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Amit Sela 2012-11-15, 16:09