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https://issues.apache.org/jira/browse/KUDU-1471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15305417#comment-15305417
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Ted Malaska commented on KUDU-1471:
-----------------------------------
The code is 7 lines off. So the tablets object is null. interesting
> NPE in AsyncKuduClient from Spark
> ---------------------------------
>
> Key: KUDU-1471
> URL: https://issues.apache.org/jira/browse/KUDU-1471
> Project: Kudu
> Issue Type: Bug
> Components: client, spark
> Affects Versions: 0.9.0
> Reporter: Todd Lipcon
>
> I'm testing out the Spark support on a ~70 node cluster (240 executors). I
> hit this NPE:
> {code}
> scala> kuduDataFrame.count()
> 16/05/26 18:36:31 WARN scheduler.TaskSetManager: Lost task 220.0 in stage 4.0
> (TID 1417, e1313.halxg.cloudera.com): java.lang.NullPointerException
> at
> org.kududb.client.AsyncKuduClient$RemoteTablet.addTabletClient(AsyncKuduClient.java:1929)
> at
> org.kududb.client.AsyncKuduClient$RemoteTablet.refreshTabletClients(AsyncKuduClient.java:1897)
> at
> org.kududb.client.AsyncKuduClient.discoverTablets(AsyncKuduClient.java:1309)
> at
> org.kududb.client.AsyncKuduClient$MasterLookupCB.call(AsyncKuduClient.java:1232)
> at
> org.kududb.client.AsyncKuduClient$MasterLookupCB.call(AsyncKuduClient.java:1224)
> at com.stumbleupon.async.Deferred.doCall(Deferred.java:1278)
> at com.stumbleupon.async.Deferred.runCallbacks(Deferred.java:1257)
> at com.stumbleupon.async.Deferred.callback(Deferred.java:1005)
> at org.kududb.client.KuduRpc.handleCallback(KuduRpc.java:194)
> at org.kududb.client.KuduRpc.callback(KuduRpc.java:207)
> at org.kududb.client.TabletClient.decode(TabletClient.java:477)
> at org.kududb.client.TabletClient.decode(TabletClient.java:83)
> {code}
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