Jongyoul Lee created SPARK-5333:
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Summary: [Mesos]MesosTaskLaunchData occurs BufferUnderflowException
Key: SPARK-5333
URL: https://issues.apache.org/jira/browse/SPARK-5333
Project: Spark
Issue Type: Bug
Components: Mesos
Reporter: Jongyoul Lee
Priority: Blocker
MesosTaskLaunchData occurs exception when MesosExecutorBackend launches task
because serializedTask.remaining is 0.
{code}
Exception in thread "Thread-6" java.nio.BufferUnderflowException
at java.nio.Buffer.nextGetIndex(Buffer.java:498)
at java.nio.HeapByteBuffer.getInt(HeapByteBuffer.java:355)
at
org.apache.spark.scheduler.cluster.mesos.MesosTaskLaunchData$.fromByteString(MesosTaskLaunchData.scala:46)
at
org.apache.spark.executor.MesosExecutorBackend.launchTask(MesosExecutorBackend.scala:81)
{code}
I've checked this bug with fine-grained mode. This is because
MesosTaskLaunchData.toByteString doesn't rewind byteBuffer after they put data.
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