[HDFS-15026] TestPendingReconstruction#testPendingReconstruction() fail in trunk

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 3.3.0
• Hadoop Flags: Reviewed
• Assignee: Lisheng Sun
• Reporter: Lisheng Sun
• Created: 02/Dec/19 08:21
• Updated: 03/Dec/19 04:13
• Resolved: 03/Dec/19 04:00

Description

when run only a UT of TestPendingReconstruction#testPendingReconstruction(), it will fail and throw NullPointerException.

2019-12-02 16:02:54,887 [org.apache.hadoop.hdfs.server.blockmanagement.PendingReconstructionBlocks$PendingReconstructionMonitor@57baeedf] WARN  blockmanagement.BlockManager (PendingReconstructionBlocks.java:pendingReconstructionCheck(273)) - PendingReconstructionMonitor timed out blk_0_02019-12-02 16:02:54,887 [org.apache.hadoop.hdfs.server.blockmanagement.PendingReconstructionBlocks$PendingReconstructionMonitor@57baeedf] WARN  blockmanagement.BlockManager (PendingReconstructionBlocks.java:pendingReconstructionCheck(273)) - PendingReconstructionMonitor timed out blk_0_0Exception in thread "org.apache.hadoop.hdfs.server.blockmanagement.PendingReconstructionBlocks$PendingReconstructionMonitor@57baeedf" java.lang.NullPointerException at org.apache.hadoop.hdfs.server.blockmanagement.PendingReconstructionBlocks$PendingReconstructionMonitor.pendingReconstructionCheck(PendingReconstructionBlocks.java:274) at org.apache.hadoop.hdfs.server.blockmanagement.PendingReconstructionBlocks$PendingReconstructionMonitor.run(PendingReconstructionBlocks.java:248) at java.lang.Thread.run(Thread.java:748)