Ted Yu created HDFS-7606:
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Summary: Missing null check in INodeFile#getBlocks()
Key: HDFS-7606
URL: https://issues.apache.org/jira/browse/HDFS-7606
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Ted Yu
Priority: Minor
{code}
BlockInfo[] snapshotBlocks = diff == null ? getBlocks() : diff.getBlocks();
if(snapshotBlocks != null)
return snapshotBlocks;
// Blocks are not in the current snapshot
// Find next snapshot with blocks present or return current file blocks
snapshotBlocks = getDiffs().findLaterSnapshotBlocks(diff.getSnapshotId());
{code}
If diff is null and snapshotBlocks is null, NullPointerException would result
from the call to diff.getSnapshotId().
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