[HELIX-693] Fix NPE for TaskPartitionState parsing

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 0.8.x
• Component/s: helix-core
• Assignee: Junkai Xue
• Reporter: Junkai Xue
• Created: 11/Apr/18 07:26
• Updated: 11/Apr/18 07:26

Description

Existing task framework load back task state of a job does not check the null value. When a task not started or status update failed, null value is possible.

Fix this NPE by make NULL value as NOT_STARTED state.