[HDFS-14583] FileStatus#toString() will throw IllegalArgumentException

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.3.0
• Labels: HDFS
• Hadoop Flags: Reviewed
• Assignee: ZanderXu
• Reporter: ZanderXu
• Created: 19/Jun/19 03:42
• Updated: 02/Oct/19 17:13
• Resolved: 22/Aug/19 17:22

Description

FileStatus#toString() will throw IllegalArgumentException, stack and error message like this:

java.lang.IllegalArgumentException: Can not create a Path from an empty string
  at org.apache.hadoop.fs.Path.checkPathArg(Path.java:172)
  at org.apache.hadoop.fs.Path.<init>(Path.java:184)
  at org.apache.hadoop.hdfs.protocol.HdfsLocatedFileStatus.getSymlink(HdfsLocatedFileStatus.java:117)
  at org.apache.hadoop.fs.FileStatus.toString(FileStatus.java:462)
  at org.apache.hadoop.hdfs.web.TestJsonUtil.testHdfsFileStatus(TestJsonUtil.java:123)

Test Code like this:

@Test
public void testHdfsFileStatus() throws IOException {
  HdfsFileStatus hdfsFileStatus = new HdfsFileStatus.Builder()
      .replication(1)
      .blocksize(1024)
      .perm(new FsPermission((short) 777))
      .owner("owner")
      .group("group")
      .symlink(new byte[0])
      .path(new byte[0])
      .fileId(1010)
      .isdir(true)
      .build();
  System.out.println("HdfsFileStatus = " + hdfsFileStatus.toString());
}

 

Issue Links

• relates to: HDFS-12681 Make HdfsLocatedFileStatus a subtype of LocatedFileStatus