loading lzo error when using coprocessor

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