we had a master go down on a hbase 0.96 cluster with HA. the second master took over and the hbase cluster continued to function. great! however hbase-rest got stuck in a loop spitting out error messages. see below. is something like hbase-rest, which uses the hbase client api, supposed to survive a master failure? thanks! koert
2014-02-25 01:12:41,373 INFO org.apache.zookeeper. ClientCnxn: Unable to read additional data from server sessionid 0x440dd5dbbe0028, likely server has closed socket, closing s\ ocket connection and attempting reconnect 2014-02-25 01:12:41,931 INFO org.apache.zookeeper.ClientCnxn: Opening socket connection to server master01/10.111.111..41:2181. Will not attempt to authenticat\ e using SASL (java.lang.SecurityException: Unable to locate a login configuration) 2014-02-25 01:12:55,278 INFO org.apache.zookeeper.ClientCnxn: Client session timed out, have not heard from server in 13804ms for sessionid 0x440dd5dbbe0028, closing socket co\ nnection and attempting reconnect 2014-02-25 01:12:55,776 INFO org.apache.zookeeper.ClientCnxn: Opening socket connection to server master02/10.111.111..42:2181. Will not attempt to authenticat\ e using SASL (java.lang.SecurityException: Unable to locate a login configuration) 2014-02-25 01:12:55,776 INFO org.apache.zookeeper.ClientCnxn: Socket connection established to master02/10.111.111..42:2181, initiating session 2014-02-25 01:12:55,778 INFO org.apache.zookeeper.ClientCnxn: Session establishment complete on server master02/10.111.111..42:2181, sessionid = 0x440dd5dbbe00\ 28, negotiated timeout = 40000 2014-02-25 01:17:54,246 ERROR org.mortbay.log: / java.lang.reflect.UndeclaredThrowableException at com.sun.proxy.$Proxy7.getHTableDescriptors(Unknown Source) at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.listTables(HConnectionManager.java:1858) at org.apache.hadoop.hbase.client.HBaseAdmin.listTables(HBaseAdmin.java:278) at org.apache.hadoop.hbase.rest.RootResource.getTableList(RootResource.java:63) at org.apache.hadoop.hbase.rest.RootResource.get(RootResource.java:79) at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60) at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:205\ ) at com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75) at com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:288) at com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108) at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147) at com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84) at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1469) at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1400) at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1349) at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1339) at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416) at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:537) at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:699) at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:699) at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1221) at org.apache.hadoop.hbase.rest.filter.GzipFilter.doFilter(GzipFilter.java:73) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766) 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) Caused by: java.net.NoRouteToHostException: No route to host at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:599) at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:207) at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:528) at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:492) at org.apache.hadoop.hbase.ipc.HBaseClient$Connection.setupConnection(HBaseClient.java:390) at org.apache.hadoop.hbase.ipc.HBaseClient$Connection.setupIOstreams(HBaseClient.java:436) at org.apache.hadoop.hbase.ipc.HBaseClient.getConnection(HBaseClient.java:1133) at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:980) at org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:86) ... 39 more