Description
When a file is not found, FileUtil$HardLink.getLinkCount(..) shows the following error message.
java.lang.NumberFormatException: For input string: "" at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48) at java.lang.Integer.parseInt(Integer.java:470) at java.lang.Integer.parseInt(Integer.java:499) at org.apache.hadoop.fs.FileUtil$HardLink.getLinkCount(FileUtil.java:663) at org.apache.hadoop.hdfs.server.datanode.ReplicaInfo.detachBlock(ReplicaInfo.java:209) ... stat: cannot stat `/home/tsz/hadoop/hdfs/h265/build/test/data/dfs/data/data3/current/finalized/blk_-94418387820168072_1001.meta': No such file or directory on file:/home/tsz/hadoop/hdfs/h265/build/test/data/dfs/data/data3/current/finalized/blk_-94418387820168072_1001.meta
It looks like that there was a uncaught NumberFormatException.