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From hadoop hive <hadooph...@gmail.com>
Subject Snappy Error
Date Thu, 22 Mar 2012 11:30:04 GMT
HI Folks,

i follow all ther steps and build and install snappy and after creating
sequencetable when i m insert overwrite the data into this table its
throwing this error.


java.io.IOException: Cannot create an instance of InputFormat class
org.apache.hadoop.mapred.TextInputFormat as specified in mapredWork!
	at org.apache.hadoop.hive.ql.io.HiveInputFormat.getInputFormatFromCache(HiveInputFormat.java:197)
	at org.apache.hadoop.hive.ql.io.HiveInputFormat.getRecordReader(HiveInputFormat.java:236)
	at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:338)
	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:307)
	at org.apache.hadoop.mapred.Child.main(Child.java:170)
Caused by: java.lang.RuntimeException: Error in configuring object
	at org.apache.hadoop.util.ReflectionUtils.setJobConf(ReflectionUtils.java:93)
	at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:64)
	at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:117)
	at org.apache.hadoop.hive.ql.io.HiveInputFormat.getInputFormatFromCache(HiveInputFormat.java:193)
	... 4 more
Caused by: java.lang.reflect.InvocationTargetException
	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.ReflectionUtils.setJobConf(ReflectionUtils.java:88)
	... 7 more
Caused by: java.lang.IllegalArgumentException: Compression codec
org.apache.hadoop.io.compress.SnappyCodec not found.
	at org.apache.hadoop.io.compress.CompressionCodecFactory.getCodecClasses(CompressionCodecFactory.java:96)
	at org.apache.hadoop.io.compress.CompressionCodecFactory.(CompressionCodecFactory.java:134)
	at org.apache.hadoop.mapred.TextInputFormat.configure(TextInputFormat.java:41)
	... 12 more
Caused by: java.lang.ClassNotFoundException:
org.apache.hadoop.io.compress.SnappyCodec
	at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:247)
	at org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:762)
	at org.apache.hadoop.io.compress.CompressionCodecFactory.getCodecClasses(CompressionCodecFactory.java:89)
	... 14 more

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