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Abhishek Kumar commented on HBASE-17879: ---------------------------------------- yeah, this did cross my mind but it will be completely unnecessary to create a Admin object and then iterate through all valid snapshots only to know that this can't be found, so i went with if condition check. > Avoid NPE in snapshot.jsp when accessing without any request parameter > ---------------------------------------------------------------------- > > Key: HBASE-17879 > URL: https://issues.apache.org/jira/browse/HBASE-17879 > Project: HBase > Issue Type: Bug > Components: UI > Affects Versions: 1.3.0 > Reporter: Abhishek Kumar > Priority: Trivial > Attachments: HBASE-17879.patch, HBASE-17879-V1.patch, > NPE_screenshot.png, patched_screenshot.png > > > 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) -- This message was sent by Atlassian JIRA (v6.3.15#6346)