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  1. Cassandra
  2. CASSANDRA-17801

NPE bug in streaming checking if SSTable is being repaired

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      Streaming hit a race condition where a SSTable was being repaired, but the moment we try to check the repair ID the repair was over

      java.lang.NullPointerException
      at org.apache.cassandra.db.streaming.CassandraStreamManager.lambda$null$0(CassandraStreamManager.java:110)
      at com.google.common.collect.Iterators$5.computeNext(Iterators.java:639)
      at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:141)
      at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:136)
      at org.apache.cassandra.db.streaming.CassandraStreamManager.lambda$createOutgoingStreams$1(CassandraStreamManager.java:121)
      at org.apache.cassandra.db.ColumnFamilyStore.select(ColumnFamilyStore.java:2000)
      at org.apache.cassandra.db.ColumnFamilyStore.selectAndReference(ColumnFamilyStore.java:1976)
      at org.apache.cassandra.db.streaming.CassandraStreamManager.createOutgoingStreams(CassandraStreamManager.java:96)
      at org.apache.cassandra.streaming.StreamSession.getOutgoingStreamsForRanges(StreamSession.java:481)
      at org.apache.cassandra.streaming.StreamSession.addTransferRanges(StreamSession.java:440)
      at org.apache.cassandra.streaming.StreamSession.lambda$null$6(StreamSession.java:816)
      at java.base/java.lang.Iterable.forEach(Iterable.java:75)
      at org.apache.cassandra.streaming.StreamSession.lambda$processStreamRequests$7(StreamSession.java:812)
      at java.base/java.util.Map.forEach(Map.java:661)
      at org.apache.cassandra.streaming.StreamSession.processStreamRequests(StreamSession.java:808)
      at org.apache.cassandra.streaming.StreamSession.prepareAsync(StreamSession.java:740)
      at org.apache.cassandra.streaming.StreamSession.lambda$prepare$3(StreamSession.java:720)
      at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
      at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
      at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
      at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
      at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
      at java.base/java.lang.Thread.run(Thread.java:834)
      

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              dcapwell David Capwell
              dcapwell David Capwell
              David Capwell
              Marcus Eriksson
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