[ https://issues.apache.org/jira/browse/HDFS-13868?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Pranay Singh updated HDFS-13868: -------------------------------- Status: In Progress (was: Patch Available) > WebHDFS: GETSNAPSHOTDIFF API NPE when param "snapshotname" is given but > "oldsnapshotname" is not. > ------------------------------------------------------------------------------------------------- > > Key: HDFS-13868 > URL: https://issues.apache.org/jira/browse/HDFS-13868 > Project: Hadoop HDFS > Issue Type: Bug > Components: hdfs, webhdfs > Affects Versions: 3.0.3, 3.1.0 > Reporter: Siyao Meng > Assignee: Pranay Singh > Priority: Major > Attachments: HDFS-13868.001.patch, HDFS-13868.002.patch, > HDFS-13868.003.patch > > > HDFS-13052 implements GETSNAPSHOTDIFF for WebHDFS. > > Proof: > {code:java} > # Bash > # Prerequisite: You will need to create the directory "/snapshot", > allowSnapshot() on it, and create a snapshot named "snap3" for it to reach > NPE. > $ curl > "http://<SERVER>:<PORT>/webhdfs/v1/snaptest/?op=GETSNAPSHOTDIFF&user.name=hdfs&oldsnapshotnameZZZ=snap2&snapshotname=snap3" > # Note that I intentionally typed the wrong parameter name for > "oldsnapshotname" above to cause NPE. > {"RemoteException":{"exception":"NullPointerException","javaClassName":"java.lang.NullPointerException","message":null}} > # OR > $ curl > "http://<SERVER>:<PORT>/webhdfs/v1/snaptest/?op=GETSNAPSHOTDIFF&user.name=hdfs&oldsnapshotname=&snapshotname=snap3" > # Empty string for oldsnapshotname > {"RemoteException":{"exception":"NullPointerException","javaClassName":"java.lang.NullPointerException","message":null}} > # OR > $ curl > "http://<SERVER>:<PORT>/webhdfs/v1/snaptest/?op=GETSNAPSHOTDIFF&user.name=hdfs&snapshotname=snap3" > # Missing param oldsnapshotname, essentially the same as the first case. > {"RemoteException":{"exception":"NullPointerException","javaClassName":"java.lang.NullPointerException","message":null}{code} -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org