Shibin Zhang created HBASE-18263:
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             Summary: Resolve NPE in backup Master UI when access to 
procedures.jsp
                 Key: HBASE-18263
                 URL: https://issues.apache.org/jira/browse/HBASE-18263
             Project: HBase
          Issue Type: Bug
          Components: UI
    Affects Versions: 2.0.0-alpha-1, 1.2.0
            Reporter: Shibin Zhang
            Priority: Trivial


When accessing procedures.jsp ,the  NPE comes in backup master UI:
HTTP ERROR 500

Problem accessing /procedures.jsp. Reason:

    INTERNAL_SERVER_ERROR
Caused by:

java.lang.NullPointerException
        at 
org.apache.hadoop.hbase.generated.master.procedures_jsp._jspService(procedures_jsp.java:67)
        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)
        at 
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1221)
        at 
org.apache.hadoop.hbase.http.lib.StaticUserWebFilter$StaticUserFilter.doFilter(StaticUserWebFilter.java:113)
        at 
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
        at 
org.apache.hadoop.hbase.http.ClickjackingPreventionFilter.doFilter(ClickjackingPreventionFilter.java:48)
        at 
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
        at 
org.apache.hadoop.hbase.http.HttpServer$QuotingInputFilter.doFilter(HttpServer.java:1354)
        at 
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
        at 
org.apache.hadoop.hbase.http.NoCacheFilter.doFilter(NoCacheFilter.java:49)
        at 
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
        at 
org.apache.hadoop.hbase.http.NoCacheFilter.doFilter(NoCacheFilter.java:49)
        at 
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
        at 
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399)


In server ,only the active master initialize procedureStore in HMaster.

 so ,i think it will be better to remove procedures.jsp link in backup Master UI



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