|
|
+
yangyang 2012-07-27, 07:14
+
Amit Sela 2012-05-29, 13:13
+
Marcos Ortiz 2012-05-29, 13:40
+
Amit Sela 2012-05-29, 14:10
-
Re: java.lang.ClassNotFoundException: com.google.protobuf.MessageMarcos Ortiz 2012-05-29, 14:39
Yo have to check in the docs version, in the section 2.3 Hadoop of the
HBase book, which is the compatible version: http://hbase.apache.org/book/book.html#hadoop Regards. On 05/29/2012 10:10 AM, Amit Sela wrote: > I'm not sure Hadoop 0.20.3 is compatible with HBase 0.94 but I can't find > any documentation about it > > On Tue, May 29, 2012 at 4:40 PM, Marcos Ortiz<[EMAIL PROTECTED]> wrote: > >> Are you sure that 0.94 is compatible with Hadoop 0.20.3? >> >> >> >> On 05/29/2012 09:13 AM, Amit Sela wrote: >> >>> Hi all, >>> >>> I just upgraded from HBase 0.90.2 to 0.94 (running on hadoop 0.20.3). >>> >>> It seems like the cluster is up and running. >>> >>> I tried running an old MR job that writes into HBase, and after Map is >>> complete (map 100%) and before Reduce begins (reduce 0%) - I got the >>> following Exception: >>> >>> 12/05/29 12:32:02 INFO mapred.JobClient: Task Id : >>> attempt_201205291226_0001_r_**000000_0, Status : FAILED >>> Error: java.lang.**ClassNotFoundException: com.google.protobuf.Message >>> at java.net.URLClassLoader$1.run(**URLClassLoader.java:202) >>> at java.security.**AccessController.doPrivileged(**Native Method) >>> at java.net.URLClassLoader.**findClass(URLClassLoader.java:**190) >>> at java.lang.ClassLoader.**loadClass(ClassLoader.java:**306) >>> at sun.misc.Launcher$**AppClassLoader.loadClass(**Launcher.java:301) >>> at java.lang.ClassLoader.**loadClass(ClassLoader.java:**247) >>> at >>> org.apache.hadoop.hbase.io.**HbaseObjectWritable.<clinit>(** >>> HbaseObjectWritable.java:263) >>> at org.apache.hadoop.hbase.ipc.**Invocation.write(Invocation.**java:138) >>> at >>> org.apache.hadoop.hbase.ipc.**HBaseClient$Connection.** >>> sendParam(HBaseClient.java:**537) >>> at org.apache.hadoop.hbase.ipc.**HBaseClient.call(HBaseClient.**java:898) >>> at >>> org.apache.hadoop.hbase.ipc.**WritableRpcEngine$Invoker.** >>> invoke(WritableRpcEngine.java:**150) >>> at $Proxy2.getProtocolVersion(**Unknown Source) >>> at >>> org.apache.hadoop.hbase.ipc.**WritableRpcEngine.getProxy(** >>> WritableRpcEngine.java:183) >>> at org.apache.hadoop.hbase.ipc.**HBaseRPC.getProxy(HBaseRPC.**java:303) >>> at org.apache.hadoop.hbase.ipc.**HBaseRPC.getProxy(HBaseRPC.**java:280) >>> at org.apache.hadoop.hbase.ipc.**HBaseRPC.getProxy(HBaseRPC.**java:332) >>> at org.apache.hadoop.hbase.ipc.**HBaseRPC.waitForProxy(** >>> HBaseRPC.java:236) >>> at >>> org.apache.hadoop.hbase.**client.HConnectionManager$** >>> HConnectionImplementation.**getHRegionConnection(** >>> HConnectionManager.java:1284) >>> at >>> org.apache.hadoop.hbase.**client.HConnectionManager$** >>> HConnectionImplementation.**getHRegionConnection(** >>> HConnectionManager.java:1240) >>> at >>> org.apache.hadoop.hbase.**client.HConnectionManager$** >>> HConnectionImplementation.**getHRegionConnection(** >>> HConnectionManager.java:1227) >>> at >>> org.apache.hadoop.hbase.**client.HConnectionManager$** >>> HConnectionImplementation.**locateRegionInMeta(** >>> HConnectionManager.java:936) >>> at >>> org.apache.hadoop.hbase.**client.HConnectionManager$** >>> HConnectionImplementation.**locateRegion(**HConnectionManager.java:832) >>> at >>> org.apache.hadoop.hbase.**client.HConnectionManager$** >>> HConnectionImplementation.**locateRegion(**HConnectionManager.java:801) >>> at >>> org.apache.hadoop.hbase.**client.HConnectionManager$** >>> HConnectionImplementation.**locateRegionInMeta(** >>> HConnectionManager.java:933) >>> at >>> org.apache.hadoop.hbase.**client.HConnectionManager$** >>> HConnectionImplementation.**locateRegion(**HConnectionManager.java:836) >>> at >>> org.apache.hadoop.hbase.**client.HConnectionManager$** >>> HConnectionImplementation.**locateRegion(**HConnectionManager.java:801) >>> at org.apache.hadoop.hbase.**client.HTable.finishSetup(**HTable.java:234) >>> at org.apache.hadoop.hbase.**client.HTable.<init>(HTable.**java:174) >>> at >>> org.apache.hadoop.hbase.**client.HTableFactory.**createHTableInterface(** >>> HTableFactory.java:36) >>> at >>> org.apache.hadoop.hbase.**client.HTablePool.** Marcos Luis Ort�z Valmaseda Data Engineer&& Sr. System Administrator at UCI http://marcosluis2186.posterous.com http://www.linkedin.com/in/marcosluis2186 Twitter: @marcosluis2186 10mo. ANIVERSARIO DE LA CREACION DE LA UNIVERSIDAD DE LAS CIENCIAS INFORMATICAS... CONECTADOS AL FUTURO, CONECTADOS A LA REVOLUCION http://www.uci.cu http://www.facebook.com/universidad.uci http://www.flickr.com/photos/universidad_uci +
Amit Sela 2012-05-29, 14:35
+
Marcos Ortiz 2012-05-29, 14:42
+
Stack 2012-05-29, 15:28
+
Amit Sela 2012-05-29, 15:39
+
Stack 2012-05-29, 16:30
+
lars hofhansl 2012-06-02, 12:53
+
NNever 2012-06-04, 03:09
+
Amit Sela 2012-06-06, 15:43
+
NNever 2012-06-07, 02:02
|