[HBASE-17879] Avoid NPE in snapshot.jsp when accessing without any request parameter

• Type: Bug
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Affects Version/s: 2.0.0
• Fix Version/s: 2.0.0
• Component/s: UI
• Assignee: Unassigned
• Reporter: Abhishek Kumar
• Created: 05/Apr/17 12:03
• Updated: 01/Aug/18 06:20
• Resolved: 29/Apr/17 03:00

Description

When accessing snapshot jsp with below url inadvertently NPE comes in UI:
Requested URL:
http://<MasterHost>:<Port>/snapshot.jsp?

Response:
java.lang.NullPointerException
at org.apache.hadoop.hbase.generated.master.snapshot_jsp._jspService(snapshot_jsp.java:66)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)