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https://issues.apache.org/jira/browse/HBASE-2514?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
ryan rawson reassigned HBASE-2514:
----------------------------------
Assignee: ryan rawson
> RegionServer should refuse to be assigned a region that use LZO when LZO
> isn't available
> ----------------------------------------------------------------------------------------
>
> Key: HBASE-2514
> URL: https://issues.apache.org/jira/browse/HBASE-2514
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Affects Versions: 0.20.1, 0.20.2, 0.20.3, 0.20.4, 0.20.5, 0.20.6,
> 0.89.20100621
> Reporter: Benoit Sigoure
> Assignee: ryan rawson
> Priority: Critical
> Fix For: 0.90.0
>
>
> If a RegionServer is assigned a region that uses LZO but the required
> libraries aren't installed on that RegionServer, the server will fail
> unexpectedly after throwing a {{java.lang.ClassNotFoundException:
> com.hadoop.compression.lzo.LzoCodec}}
> {code}
> 2010-05-04 16:57:27,258 FATAL
> org.apache.hadoop.hbase.regionserver.MemStoreFlusher: Replay of hlog
> required. Forcing server shutdown
> org.apache.hadoop.hbase.DroppedSnapshotException: region: tsdb,,1273011287339
> at
> org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:994)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.flushcache(HRegion.java:887)
> at
> org.apache.hadoop.hbase.regionserver.MemStoreFlusher.flushRegion(MemStoreFlusher.java:255)
> at
> org.apache.hadoop.hbase.regionserver.MemStoreFlusher.run(MemStoreFlusher.java:142)
> Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException:
> com.hadoop.compression.lzo.LzoCodec
> at
> org.apache.hadoop.hbase.io.hfile.Compression$Algorithm$1.getCodec(Compression.java:91)
> at
> org.apache.hadoop.hbase.io.hfile.Compression$Algorithm.getCompressor(Compression.java:196)
> at
> org.apache.hadoop.hbase.io.hfile.HFile$Writer.getCompressingStream(HFile.java:388)
> at
> org.apache.hadoop.hbase.io.hfile.HFile$Writer.newBlock(HFile.java:374)
> at
> org.apache.hadoop.hbase.io.hfile.HFile$Writer.checkBlockBoundary(HFile.java:345)
> at
> org.apache.hadoop.hbase.io.hfile.HFile$Writer.append(HFile.java:517)
> at
> org.apache.hadoop.hbase.io.hfile.HFile$Writer.append(HFile.java:482)
> at
> org.apache.hadoop.hbase.regionserver.Store.internalFlushCache(Store.java:558)
> at
> org.apache.hadoop.hbase.regionserver.Store.flushCache(Store.java:522)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.internalFlushcache(HRegion.java:979)
> ... 3 more
> Caused by: java.lang.ClassNotFoundException:
> com.hadoop.compression.lzo.LzoCodec
> at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:315)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:330)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:250)
> at
> org.apache.hadoop.hbase.io.hfile.Compression$Algorithm$1.getCodec(Compression.java:87)
> ... 12 more
> {code}
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