[HADOOP-19010] NullPointerException in Hadoop Credential Check CLI Command

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.3.0
• Fix Version/s: 3.4.0
• Component/s: common
• Labels: pull-request-available
• Target Version/s: 3.4.0
• Hadoop Flags: Reviewed
• Assignee: Anika Kelhanka
• Reporter: Anika Kelhanka
• Created: 13/Dec/23 05:38
• Updated: 27/Jan/24 06:51
• Resolved: 27/Dec/23 12:20

Description

Description: Hadoop's credential check throws NullPointerException when alias not found.

hadoop credential check "fs.gs.proxy.username" -provider "jceks://file/usr/lib/hive/conf/hive.jceks" 

Checking aliases for CredentialProvider: jceks://file/usr/lib/hive/conf/hive.jceks
Enter alias password: 

java.lang.NullPointerException
at
org.apache.hadoop.security.alias.CredentialShell$CheckCommand.execute(CredentialShell.java:369)
at org.apache.hadoop.tools.CommandShell.run(CommandShell.java:73)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:82)
at org.apache.hadoop.security.alias.CredentialShell.main(CredentialShell.java:529)}}

Issue Links

• links to: GitHub Pull Request #6351