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https://issues.apache.org/jira/browse/CASSANDRA-3215?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13106822#comment-13106822
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Brandon Williams commented on CASSANDRA-3215:
---------------------------------------------
This shouldn't happen with the reverted CASSANDRA-2388, can you update to the
latest trunk and try again?
> The word count example demonstrating hadoop integration fails in trunk
> ----------------------------------------------------------------------
>
> Key: CASSANDRA-3215
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3215
> Project: Cassandra
> Issue Type: Bug
> Components: Contrib, Hadoop
> Affects Versions: 1.0.0
> Reporter: Tharindu Mathew
> Assignee: Brandon Williams
> Priority: Minor
> Labels: hadoop
> Fix For: 1.0.0
>
>
> The following stack traces after running, bin/hadoop in the trunk
> (0.8.2-dev-SNAPSHOT):
> ./bin/word_count
> 11/09/15 12:28:28 INFO WordCount: output reducer type: cassandra
> 11/09/15 12:28:29 INFO jvm.JvmMetrics: Initializing JVM Metrics with
> processName=JobTracker, sessionId=
> 11/09/15 12:28:30 INFO mapred.JobClient: Running job: job_local_0001
> 11/09/15 12:28:30 INFO mapred.MapTask: io.sort.mb = 100
> 11/09/15 12:28:30 INFO mapred.MapTask: data buffer = 79691776/99614720
> 11/09/15 12:28:30 INFO mapred.MapTask: record buffer = 262144/327680
> 11/09/15 12:28:30 WARN mapred.LocalJobRunner: job_local_0001
> java.lang.RuntimeException: java.lang.UnsupportedOperationException: no local
> connection available
> at
> org.apache.cassandra.hadoop.ColumnFamilyRecordReader.initialize(ColumnFamilyRecordReader.java:132)
> at
> org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.initialize(MapTask.java:418)
> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:620)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305)
> at
> org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:177)
> Caused by: java.lang.UnsupportedOperationException: no local connection
> available
> at
> org.apache.cassandra.hadoop.ColumnFamilyRecordReader.getLocation(ColumnFamilyRecordReader.java:176)
> at
> org.apache.cassandra.hadoop.ColumnFamilyRecordReader.initialize(ColumnFamilyRecordReader.java:113)
> ... 4 more
> 11/09/15 12:28:31 INFO mapred.JobClient: map 0% reduce 0%
> 11/09/15 12:28:31 INFO mapred.JobClient: Job complete: job_local_0001
> 11/09/15 12:28:31 INFO mapred.JobClient: Counters: 0
> 11/09/15 12:28:31 INFO jvm.JvmMetrics: Cannot initialize JVM Metrics with
> processName=JobTracker, sessionId= - already initialized
> 11/09/15 12:28:32 INFO mapred.JobClient: Running job: job_local_0002
> 11/09/15 12:28:32 INFO mapred.MapTask: io.sort.mb = 100
> 11/09/15 12:28:32 INFO mapred.MapTask: data buffer = 79691776/99614720
> 11/09/15 12:28:32 INFO mapred.MapTask: record buffer = 262144/327680
> 11/09/15 12:28:32 WARN mapred.LocalJobRunner: job_local_0002
> java.lang.RuntimeException: java.lang.UnsupportedOperationException: no local
> connection available
> at
> org.apache.cassandra.hadoop.ColumnFamilyRecordReader.initialize(ColumnFamilyRecordReader.java:132)
> at
> org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.initialize(MapTask.java:418)
> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:620)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305)
> at
> org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:177)
> Caused by: java.lang.UnsupportedOperationException: no local connection
> available
> at
> org.apache.cassandra.hadoop.ColumnFamilyRecordReader.getLocation(ColumnFamilyRecordReader.java:176)
> at
> org.apache.cassandra.hadoop.ColumnFamilyRecordReader.initialize(ColumnFamilyRecordReader.java:113)
> ... 4 more
> 11/09/15 12:28:33 INFO mapred.JobClient: map 0% reduce 0%
> 11/09/15 12:28:33 INFO mapred.JobClient: Job complete: job_local_0002
> 11/09/15 12:28:33 INFO mapred.JobClient: Counters: 0
> 11/09/15 12:28:33 INFO jvm.JvmMetrics: Cannot initialize JVM Metrics with
> processName=JobTracker, sessionId= - already initialized
> 11/09/15 12:28:34 INFO mapred.JobClient: Running job: job_local_0003
> 11/09/15 12:28:34 INFO mapred.MapTask: io.sort.mb = 100
> 11/09/15 12:28:34 INFO mapred.MapTask: data buffer = 79691776/99614720
> 11/09/15 12:28:34 INFO mapred.MapTask: record buffer = 262144/327680
> 11/09/15 12:28:34 WARN mapred.LocalJobRunner: job_local_0003
> java.lang.RuntimeException: java.lang.UnsupportedOperationException: no local
> connection available
> at
> org.apache.cassandra.hadoop.ColumnFamilyRecordReader.initialize(ColumnFamilyRecordReader.java:132)
> at
> org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.initialize(MapTask.java:418)
> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:620)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305)
> at
> org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:177)
> Caused by: java.lang.UnsupportedOperationException: no local connection
> available
> at
> org.apache.cassandra.hadoop.ColumnFamilyRecordReader.getLocation(ColumnFamilyRecordReader.java:176)
> at
> org.apache.cassandra.hadoop.ColumnFamilyRecordReader.initialize(ColumnFamilyRecordReader.java:113)
> ... 4 more
> 11/09/15 12:28:35 INFO mapred.JobClient: map 0% reduce 0%
> 11/09/15 12:28:35 INFO mapred.JobClient: Job complete: job_local_0003
> 11/09/15 12:28:35 INFO mapred.JobClient: Counters: 0
> 11/09/15 12:28:35 INFO jvm.JvmMetrics: Cannot initialize JVM Metrics with
> processName=JobTracker, sessionId= - already initialized
> 11/09/15 12:28:36 INFO mapred.JobClient: Running job: job_local_0004
> 11/09/15 12:28:36 INFO mapred.MapTask: io.sort.mb = 100
> 11/09/15 12:28:37 INFO mapred.MapTask: data buffer = 79691776/99614720
> 11/09/15 12:28:37 INFO mapred.MapTask: record buffer = 262144/327680
> 11/09/15 12:28:37 WARN mapred.LocalJobRunner: job_local_0004
> java.lang.RuntimeException: java.lang.UnsupportedOperationException: no local
> connection available
> at
> org.apache.cassandra.hadoop.ColumnFamilyRecordReader.initialize(ColumnFamilyRecordReader.java:132)
> at
> org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.initialize(MapTask.java:418)
> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:620)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305)
> at
> org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:177)
> Caused by: java.lang.UnsupportedOperationException: no local connection
> available
> at
> org.apache.cassandra.hadoop.ColumnFamilyRecordReader.getLocation(ColumnFamilyRecordReader.java:176)
> at
> org.apache.cassandra.hadoop.ColumnFamilyRecordReader.initialize(ColumnFamilyRecordReader.java:113)
> ... 4 more
> 11/09/15 12:28:37 INFO mapred.JobClient: map 0% reduce 0%
> 11/09/15 12:28:37 INFO mapred.JobClient: Job complete: job_local_0004
> 11/09/15 12:28:37 INFO mapred.JobClient: Counters: 0
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