[HADOOP-18652] Path.suffix raises NullPointerException

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.4.0, 3.3.6
• Fix Version/s: 3.4.0, 3.3.6
• Component/s: hdfs-client
• Target Version/s: 3.4.0, 3.3.6
• Hadoop Flags: Reviewed
• Assignee: Patrick Grandjean
• Reporter: Patrick Grandjean
• Created: 05/Mar/23 04:00
• Updated: 27/Jan/24 08:37
• Resolved: 18/May/23 23:50

Description

Calling the Path.suffix method on root raises a NullPointerException. Tested with hadoop-client-api 3.3.2

Scenario:

import org.apache.hadoop.fs.*

Path root = new Path("/")
root.getParent == null  // true
root.suffix("bar")  // NPE is raised

Stack:

23/03/03 15:13:18 ERROR Uncaught throwable from user code: java.lang.NullPointerException
    at org.apache.hadoop.fs.Path.<init>(Path.java:104)
    at org.apache.hadoop.fs.Path.<init>(Path.java:93)
    at org.apache.hadoop.fs.Path.suffix(Path.java:361)

Issue Links

• is depended upon by: HADOOP-18856 Spark insertInto with location GCS bucket root not supported
• is duplicated by: HDFS-16941 Path.suffix raises NullPointerException
• links to: Github PR #5653