No dice. Classpath is now set. Same error. Meanwhile, I'm running "$ hadoop org.apache.hadoop.hbase.PerformanceEvaluation sequentialWrite 1" just fine, so MapRed is working at least.
Still looking for suggestions then I guess. -GS On Fri, Apr 9, 2010 at 5:31 PM, George Stathis <gstat...@gmail.com> wrote: > RTFMing > http://hadoop.apache.org/hbase/docs/current/api/org/apache/hadoop/hbase/mapreduce/package-summary.html > right > now...Hadoop classpath not being set properly could be the issue... > > > On Fri, Apr 9, 2010 at 5:26 PM, George Stathis <gstat...@gmail.com> wrote: > >> Hi folks, >> >> I hope this is just a newbie problem. >> >> Context: >> - Running 0.20.3 tag locally in pseudo cluster mode >> - $HBASE_HOME is in env and $PATH >> - Running org.apache.hadoop.hbase.mapreduce.Export in the shell such as: $ >> hbase org.apache.hadoop.hbase.mapreduce.Export channels /bkps/channels/01 >> >> Symptom: >> - Getting an NPE at >> org.apache.hadoop.hbase.mapreduce.TableInputFormatBase$TableRecordReader.restart(TableInputFormatBase.java:110): >> >> [...] >> 110 this.scanner = this.htable.getScanner(newScan); >> [...] >> >> Full output is bellow. Not sure why htable is still null at that point. >> User error? >> >> Any help is appreciated. >> >> -GS >> >> Full output: >> >> $ hbase org.apache.hadoop.hbase.mapreduce.Export channels >> /bkps/channels/01 >> 2010-04-09 17:13:57.407::INFO: Logging to STDERR via >> org.mortbay.log.StdErrLog >> 2010-04-09 17:13:57.408::INFO: verisons=1, starttime=0, >> endtime=9223372036854775807 >> 10/04/09 17:13:58 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode >> /hbase/root-region-server got 192.168.1.16:52159 >> 10/04/09 17:13:58 DEBUG client.HConnectionManager$TableServers: Found ROOT >> at 192.168.1.16:52159 >> 10/04/09 17:13:58 DEBUG client.HConnectionManager$TableServers: Cached >> location for .META.,,1 is 192.168.1.16:52159 >> 10/04/09 17:13:58 DEBUG client.HConnectionManager$TableServers: Cached >> location for channels,,1270753106916 is 192.168.1.16:52159 >> 10/04/09 17:13:58 DEBUG client.HConnectionManager$TableServers: Cache hit >> for row <> in tableName channels: location server 192.168.1.16:52159, >> location region name channels,,1270753106916 >> 10/04/09 17:13:58 DEBUG mapreduce.TableInputFormatBase: getSplits: split >> -> 0 -> 192.168.1.16:, >> 10/04/09 17:13:58 INFO mapred.JobClient: Running job: >> job_201004091642_0009 >> 10/04/09 17:13:59 INFO mapred.JobClient: map 0% reduce 0% >> 10/04/09 17:14:09 INFO mapred.JobClient: Task Id : >> attempt_201004091642_0009_m_000000_0, Status : FAILED >> java.lang.NullPointerException >> at >> org.apache.hadoop.hbase.mapreduce.TableInputFormatBase$TableRecordReader.restart(TableInputFormatBase.java:110) >> at >> org.apache.hadoop.hbase.mapreduce.TableInputFormatBase$TableRecordReader.init(TableInputFormatBase.java:119) >> at >> org.apache.hadoop.hbase.mapreduce.TableInputFormatBase.createRecordReader(TableInputFormatBase.java:262) >> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:588) >> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305) >> at org.apache.hadoop.mapred.Child.main(Child.java:170) >> >> 10/04/09 17:14:15 INFO mapred.JobClient: Task Id : >> attempt_201004091642_0009_m_000000_1, Status : FAILED >> java.lang.NullPointerException >> at >> org.apache.hadoop.hbase.mapreduce.TableInputFormatBase$TableRecordReader.restart(TableInputFormatBase.java:110) >> at >> org.apache.hadoop.hbase.mapreduce.TableInputFormatBase$TableRecordReader.init(TableInputFormatBase.java:119) >> at >> org.apache.hadoop.hbase.mapreduce.TableInputFormatBase.createRecordReader(TableInputFormatBase.java:262) >> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:588) >> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305) >> at org.apache.hadoop.mapred.Child.main(Child.java:170) >> >> 10/04/09 17:14:21 INFO mapred.JobClient: Task Id : >> attempt_201004091642_0009_m_000000_2, Status : FAILED >> java.lang.NullPointerException >> at >> org.apache.hadoop.hbase.mapreduce.TableInputFormatBase$TableRecordReader.restart(TableInputFormatBase.java:110) >> at >> org.apache.hadoop.hbase.mapreduce.TableInputFormatBase$TableRecordReader.init(TableInputFormatBase.java:119) >> at >> org.apache.hadoop.hbase.mapreduce.TableInputFormatBase.createRecordReader(TableInputFormatBase.java:262) >> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:588) >> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305) >> at org.apache.hadoop.mapred.Child.main(Child.java:170) >> >> 10/04/09 17:14:30 INFO mapred.JobClient: Job complete: >> job_201004091642_0009 >> 10/04/09 17:14:30 INFO mapred.JobClient: Counters: 3 >> 10/04/09 17:14:30 INFO mapred.JobClient: Job Counters >> 10/04/09 17:14:30 INFO mapred.JobClient: Launched map tasks=4 >> 10/04/09 17:14:30 INFO mapred.JobClient: Data-local map tasks=4 >> 10/04/09 17:14:30 INFO mapred.JobClient: Failed map tasks=1 >> 10/04/09 17:14:30 DEBUG zookeeper.ZooKeeperWrapper: Closed connection with >> ZooKeeper >> >> >> >> >
