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https://issues.apache.org/jira/browse/CASSANDRA-3037?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13100442#comment-13100442
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Anton Vedeshin commented on CASSANDRA-3037:
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Hi! Unfortunately we have given up using Cassandra this time (may be later,
when it will be more stable). When I look the examples, etc, they are great,
but when we start using it, there are plenty of problems to be solved like one
described above and support is very slow. Cassandra is a great thing, but not
for our current project.
> Could not get input splits Caused by: java.io.IOException: failed connecting
> to all endpoints slave1/123.198.69.242
> -------------------------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-3037
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3037
> Project: Cassandra
> Issue Type: Bug
> Components: Hadoop
> Affects Versions: 0.8.4
> Environment: Ubuntu 10.04 LTS
> Hadoop from Cloudera 0.20.203
> Latest java
> Reporter: Anton Vedeshin
> Priority: Blocker
>
> After upgrade of cassandra from 0.8.2 to 0.8.4, got this error, before
> upgrade everything was working fine
> I have restarted cassandra, removed data, etc. nothing helps
> I have 6 identical machines in the cloud, before it was working fine. If I
> make netstat then it shows port 9160 listening nodetool ... ring - responces
> with 6 machines UP.
> Finally I have truncated all 6 servers and reinstalled hadoop + cassandra
> 0.8.4 from scratch.
> compiled and tried to execute word_cound
> receive the same error as after upgrade
> Error:
> 11/08/15 15:23:54 INFO WordCount: output reducer type: cassandra
> 11/08/15 15:23:54 INFO jvm.JvmMetrics: Initializing JVM Metrics with
> processName=JobTracker, sessionId=
> Exception in thread "main" java.io.IOException: Could not get input splits
> at
> org.apache.cassandra.hadoop.ColumnFamilyInputFormat.getSplits(ColumnFamilyInputFormat.java:157)
> at
> org.apache.hadoop.mapred.JobClient.writeNewSplits(JobClient.java:885)
> at
> org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:779)
> at org.apache.hadoop.mapreduce.Job.submit(Job.java:432)
> at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:447)
> at WordCount.run(Unknown Source)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
> at WordCount.main(Unknown Source)
> Caused by: java.util.concurrent.ExecutionException: java.io.IOException:
> failed connecting to all endpoints slave1/154.198.69.242
> at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
> at java.util.concurrent.FutureTask.get(FutureTask.java:83)
> at
> org.apache.cassandra.hadoop.ColumnFamilyInputFormat.getSplits(ColumnFamilyInputFormat.java:153)
> ... 7 more
> Caused by: java.io.IOException: failed connecting to all endpoints
> slave1/154.198.69.242
> at
> org.apache.cassandra.hadoop.ColumnFamilyInputFormat.getSubSplits(ColumnFamilyInputFormat.java:234)
> at
> org.apache.cassandra.hadoop.ColumnFamilyInputFormat.access$200(ColumnFamilyInputFormat.java:70)
> at
> org.apache.cassandra.hadoop.ColumnFamilyInputFormat$SplitCallable.call(ColumnFamilyInputFormat.java:190)
> at
> org.apache.cassandra.hadoop.ColumnFamilyInputFormat$SplitCallable.call(ColumnFamilyInputFormat.java:175)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> 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)
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