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https://issues.apache.org/jira/browse/HBASE-6843?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13459335#comment-13459335
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stack commented on HBASE-6843:
------------------------------
[~zhou wenjian] What is com.hadoop? Where does that come from? Thanks.
> loading lzo error when using coprocessor
> ----------------------------------------
>
> Key: HBASE-6843
> URL: https://issues.apache.org/jira/browse/HBASE-6843
> Project: HBase
> Issue Type: Bug
> Components: coprocessors
> Affects Versions: 0.94.1
> Reporter: Zhou wenjian
> Assignee: Zhou wenjian
> Priority: Critical
> Fix For: 0.96.0, 0.94.3
>
> Attachments: HBASE-6843-trunk.patch
>
>
> After applying HBASE-6308,we found error followed
> 2012-09-06 00:44:38,341 DEBUG
> org.apache.hadoop.hbase.coprocessor.CoprocessorClassLoader: Finding class:
> com.hadoop.compression.lzo.LzoCodec
> 2012-09-06 00:44:38,351 ERROR com.hadoop.compression.lzo.GPLNativeCodeLoader:
> Could not load native gpl library
> java.lang.UnsatisfiedLinkError: Native Library
> /home/zhuzhuang/hbase/0.94.0-ali-1.0/lib/native/Linux-amd64-64/libgplcompression.so
> already loaded in another classloade
> r
> at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1772)
> at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1732)
> at java.lang.Runtime.loadLibrary0(Runtime.java:823)
> at java.lang.System.loadLibrary(System.java:1028)
> at
> com.hadoop.compression.lzo.GPLNativeCodeLoader.<clinit>(GPLNativeCodeLoader.java:32)
> at com.hadoop.compression.lzo.LzoCodec.<clinit>(LzoCodec.java:67)
> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
> at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
> at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
> at
> org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:113)
> at
> org.apache.hadoop.hbase.io.hfile.Compression$Algorithm$1.getCodec(Compression.java:107)
> at
> org.apache.hadoop.hbase.io.hfile.Compression$Algorithm.getCompressor(Compression.java:243)
> at
> org.apache.hadoop.hbase.util.CompressionTest.testCompression(CompressionTest.java:85)
> at
> org.apache.hadoop.hbase.regionserver.HRegion.checkCompressionCodecs(HRegion.java:3793)
> at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:3782)
> at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:3732)
> at
> org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.openRegion(OpenRegionHandler.java:332)
> at
> org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.process(OpenRegionHandler.java:108)
> at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:169)
> 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)
> 2012-09-06 00:44:38,355 DEBUG
> org.apache.hadoop.hbase.coprocessor.CoprocessorClassLoader: Skipping exempt
> class java.io.PrintWriter - delegating directly to parent
> 2012-09-06 00:44:38,355 ERROR com.hadoop.compression.lzo.LzoCodec: Cannot
> load native-lzo without native-hadoop
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