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ASF GitHub Bot commented on FLINK-1533: --------------------------------------- Github user StephanEwen commented on the pull request: https://github.com/apache/flink/pull/388#issuecomment-74080518 Good catch. +1 to merge > NullPointerException in > SlotSharingGroupAssignment.addSharedSlotAndAllocateSubSlot > ---------------------------------------------------------------------------------- > > Key: FLINK-1533 > URL: https://issues.apache.org/jira/browse/FLINK-1533 > Project: Flink > Issue Type: Bug > Reporter: Till Rohrmann > > The scheduler can fail with a NullPointerException if it is not possible to > allocate a {{SharedSlot}} from an {{Instance}}. In the method > {{Scheduler.getFreeSubSlotForTask}} the allocated {{SharedSlot}} is not > checked that it is not null. This can cause a program to fail if there is a > race condition in scheduling different tasks on the same instance. -- This message was sent by Atlassian JIRA (v6.3.4#6332)