It may not be null actually. It is most likely because the hostname cannot be resolved to an IP address.
Thanks, Jimmy On Mon, Feb 6, 2012 at 10:10 AM, devrant <[email protected]> wrote: > > I received this error below...does anyone know why the hostname is "null"? > > HTTP ERROR 500 > > Problem accessing /master-status. Reason: > > hostname can't be null > > Caused by: > > java.lang.IllegalArgumentException: hostname can't be null > at java.net.InetSocketAddress.<init>(InetSocketAddress.java:121) > at > > org.apache.hadoop.hbase.HServerAddress.getResolvedAddress(HServerAddress.java:108) > at > org.apache.hadoop.hbase.HServerAddress.<init>(HServerAddress.java:64) > at > > org.apache.hadoop.hbase.zookeeper.RootRegionTracker.dataToHServerAddress(RootRegionTracker.java:82) > at > > org.apache.hadoop.hbase.zookeeper.RootRegionTracker.getRootRegionLocation(RootRegionTracker.java:61) > at > > org.apache.hadoop.hbase.catalog.CatalogTracker.getRootLocation(CatalogTracker.java:163) > at > > org.apache.hadoop.hbase.master.MasterStatusServlet.getRootLocationOrNull(MasterStatusServlet.java:82) > at > > org.apache.hadoop.hbase.master.MasterStatusServlet.doGet(MasterStatusServlet.java:59) > 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$CachedChain.doFilter(ServletHandler.java:1221) > at > > org.apache.hadoop.http.HttpServer$QuotingInputFilter.doFilter(HttpServer.java:829) > 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) > -- > View this message in context: > http://old.nabble.com/Problem-accessing--master-status-tp33273366p33273366.html > Sent from the HBase User mailing list archive at Nabble.com. > >
