Zhiyuan Yang created HDFS-10429:
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Summary: DataStreamer interrupted warning always appears when
using CLI upload file
Key: HDFS-10429
URL: https://issues.apache.org/jira/browse/HDFS-10429
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Zhiyuan Yang
Priority: Minor
Every time I use 'hdfs dfs -put' upload file, this warning is printed:
{code:java}
16/05/18 20:57:56 WARN hdfs.DataStreamer: Caught exception
java.lang.InterruptedException
at java.lang.Object.wait(Native Method)
at java.lang.Thread.join(Thread.java:1245)
at java.lang.Thread.join(Thread.java:1319)
at
org.apache.hadoop.hdfs.DataStreamer.closeResponder(DataStreamer.java:871)
at org.apache.hadoop.hdfs.DataStreamer.endBlock(DataStreamer.java:519)
at org.apache.hadoop.hdfs.DataStreamer.run(DataStreamer.java:696)
{code}
The reason is this: originally, DataStreamer::closeResponder always prints a
warning about InterruptedException; since HDFS-9812, DFSOutputStream::closeImpl
always forces threads to close, which causes InterruptedException.
A simple fix is to use debug level log instead of warning level.
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