Chris Riccomini created SAMZA-267:
-------------------------------------
Summary: OffsetManager fails if a checkpointed topic isn't in
task.inputs
Key: SAMZA-267
URL: https://issues.apache.org/jira/browse/SAMZA-267
Project: Samza
Issue Type: Bug
Components: container
Affects Versions: 0.6.0
Reporter: Chris Riccomini
Fix For: 0.7.0
If you run a job with task.inputs=foo, let the job checkpoint, then restart it
with task.inputs=bar, the last checkpoint will have foo in it. This will cause
the OffsetManager to fail with:
{noformat}
2014-05-15 12:16:28 SamzaContainer [ERROR] Caught exception in process loop.
org.apache.samza.SamzaException: Attempting to reset a stream that doesn't have
offset settings SystemStream [system=kafka, stream=foo].
at
org.apache.samza.checkpoint.OffsetManager$$anonfun$getSystemStreamPartitionsToReset$1$$anonfun$apply$5.apply(OffsetManager.scala:305)
at
org.apache.samza.checkpoint.OffsetManager$$anonfun$getSystemStreamPartitionsToReset$1$$anonfun$apply$5.apply(OffsetManager.scala:305)
at scala.collection.MapLike$class.getOrElse(MapLike.scala:128)
at scala.collection.AbstractMap.getOrElse(Map.scala:58)
at
org.apache.samza.checkpoint.OffsetManager$$anonfun$getSystemStreamPartitionsToReset$1.apply(OffsetManager.scala:305)
at
org.apache.samza.checkpoint.OffsetManager$$anonfun$getSystemStreamPartitionsToReset$1.apply(OffsetManager.scala:302)
at
scala.collection.TraversableLike$$anonfun$filter$1.apply(TraversableLike.scala:264)
at scala.collection.Iterator$class.foreach(Iterator.scala:727)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
at scala.collection.MapLike$DefaultKeySet.foreach(MapLike.scala:174)
at scala.collection.TraversableLike$class.filter(TraversableLike.scala:263)
at scala.collection.AbstractTraversable.filter(Traversable.scala:105)
at
org.apache.samza.checkpoint.OffsetManager.getSystemStreamPartitionsToReset(OffsetManager.scala:302)
at
org.apache.samza.checkpoint.OffsetManager.stripResetStreams(OffsetManager.scala:287)
at org.apache.samza.checkpoint.OffsetManager.start(OffsetManager.scala:165)
at
org.apache.samza.container.SamzaContainer.startOffsetManager(SamzaContainer.scala:558)
at org.apache.samza.container.SamzaContainer.run(SamzaContainer.scala:492)
at org.apache.samza.container.SamzaContainer$.main(SamzaContainer.scala:82)
at org.apache.samza.container.SamzaContainer.main(SamzaContainer.scala)
{noformat}
We should just warn in this case, rather than fail the container.
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