Sean Busbey created HBASE-13735:
-----------------------------------
Summary: race condition for web interface during master start up
Key: HBASE-13735
URL: https://issues.apache.org/jira/browse/HBASE-13735
Project: HBase
Issue Type: Bug
Components: master
Affects Versions: 1.0.1
Reporter: Sean Busbey
Priority: Minor
loaded the master web page while the master was starting up and managed to hit
a HTTP 500 with a NPE.
{code}
java.lang.NullPointerException
at
org.apache.hadoop.hbase.zookeeper.MasterAddressTracker.parse(MasterAddressTracker.java:236)
at
org.apache.hadoop.hbase.zookeeper.MasterAddressTracker.getMasterInfoPort(MasterAddressTracker.java:86)
at
org.apache.hadoop.hbase.tmpl.master.BackupMasterStatusTmplImpl.renderNoFlush(BackupMasterStatusTmplImpl.java:53)
at
org.apache.hadoop.hbase.tmpl.master.BackupMasterStatusTmpl.renderNoFlush(BackupMasterStatusTmpl.java:113)
at
org.apache.hadoop.hbase.tmpl.master.MasterStatusTmplImpl.renderNoFlush(MasterStatusTmplImpl.java:309)
at
org.apache.hadoop.hbase.tmpl.master.MasterStatusTmpl.renderNoFlush(MasterStatusTmpl.java:373)
at
org.apache.hadoop.hbase.tmpl.master.MasterStatusTmpl.render(MasterStatusTmpl.java:364)
at
org.apache.hadoop.hbase.master.MasterStatusServlet.doGet(MasterStatusServlet.java:81)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
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$CachedChain.doFilter(ServletHandler.java:1212)
at
org.apache.hadoop.hbase.http.HttpServer$QuotingInputFilter.doFilter(HttpServer.java:1351)
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$CachedChain.doFilter(ServletHandler.java:1212)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399)
at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
at
org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at
org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
at
org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at
org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
at
org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
{code}
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