[HBASE-10446] Backup master gives Error 500 for debug dump

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.99.0
• Component/s: UI
• Hadoop Flags: Reviewed
• Assignee: Jimmy Xiang
• Reporter: Jimmy Xiang
• Created: 30/Jan/14 18:23
• Updated: 21/Feb/15 23:35
• Resolved: 30/Jan/14 22:16

Description

Click Debug dump on the backup master web ui, we get:

HTTP ERROR 500

Problem accessing /dump. Reason:

    INTERNAL_SERVER_ERROR

Caused by:

java.lang.NullPointerException
	at org.apache.hadoop.hbase.master.MasterDumpServlet.dumpServers(MasterDumpServlet.java:113)
	at org.apache.hadoop.hbase.master.MasterDumpServlet.doGet(MasterDumpServlet.java:68)