I am adding cdh users mailing list where you would get good response to the issue below.
Cheers On Sun, Apr 27, 2014 at 10:30 AM, yeshwanth kumar <yeshwant...@gmail.com>wrote: > hi ted, > > i replaced the hbase 0.94.7 with cdh 0.94.6 version. > i don't see any errors in regionservers log but i am getting this > exception in my tomcat webapp. > > javax.servlet.ServletException: java.lang.NoClassDefFoundError: > org/apache/hadoop/net/SocketInputWrapper > > com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:420) > > com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:538) > > com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:716) > javax.servlet.http.HttpServlet.service(HttpServlet.java:728) > > org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) > > *root cause* > > java.lang.NoClassDefFoundError: org/apache/hadoop/net/SocketInputWrapper > > org.apache.hadoop.hbase.ipc.HBaseClient.createConnection(HBaseClient.java:255) > > org.apache.hadoop.hbase.ipc.HBaseClient.getConnection(HBaseClient.java:1120) > org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:980) > > org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:86) > com.sun.proxy.$Proxy66.getProtocolVersion(Unknown Source) > > org.apache.hadoop.hbase.ipc.WritableRpcEngine.getProxy(WritableRpcEngine.java:138) > > org.apache.hadoop.hbase.ipc.HBaseRPC.waitForProxy(HBaseRPC.java:208) > > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getHRegionConnection(HConnectionManager.java:1358) > > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getHRegionConnection(HConnectionManager.java:1317) > > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getHRegionConnection(HConnectionManager.java:1304) > > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegionInMeta(HConnectionManager.java:990) > > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:885) > > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegionInMeta(HConnectionManager.java:987) > > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:889) > > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:846) > org.apache.hadoop.hbase.client.HTable.finishSetup(HTable.java:270) > org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:210) > org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:169) > > com.serendio.penton.rest.server.CsvMgmtEndPoint.<init>(CsvMgmtEndPoint.java:76) > sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native > Method) > > sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) > > sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) > java.lang.reflect.Constructor.newInstance(Constructor.java:526) > > com.sun.jersey.server.spi.component.ResourceComponentConstructor._construct(ResourceComponentConstructor.java:191) > > com.sun.jersey.server.spi.component.ResourceComponentConstructor.construct(ResourceComponentConstructor.java:179) > > com.sun.jersey.server.impl.resource.PerRequestFactory$PerRequest._getInstance(PerRequestFactory.java:182) > > com.sun.jersey.server.impl.resource.PerRequestFactory$AbstractPerRequest.getInstance(PerRequestFactory.java:144) > > com.sun.jersey.server.impl.application.WebApplicationContext.getResource(WebApplicationContext.java:238) > > com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:83) > > com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147) > > com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84) > > com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1511) > > com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1442) > > com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1391) > > com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1381) > > com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416) > > com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:538) > > com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:716) > javax.servlet.http.HttpServlet.service(HttpServlet.java:728) > > org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) > > > here's the pom i specified > > <dependency> > <groupId>org.apache.hbase</groupId> > <artifactId>hbase</artifactId> > <version>0.94.6-cdh4.5.0</version> > <exclusions> > <exclusion> > <groupId> org.mortbay.jetty</groupId> > <artifactId>jetty</artifactId> > </exclusion> > <exclusion> > <groupId> org.mortbay.jetty</groupId> > <artifactId>jetty-util</artifactId> > </exclusion> > <exclusion> > <groupId> org.mortbay.jetty</groupId> > <artifactId>jsp-api-2.1</artifactId> > </exclusion> > <exclusion> > <groupId> org.mortbay.jetty</groupId> > <artifactId>jsp-2.1</artifactId> > </exclusion> > <exclusion> > <groupId> org.mortbay.jetty</groupId> > <artifactId>servlet-api-2.5</artifactId> > </exclusion> > <exclusion> > <groupId>tomcat</groupId> > <artifactId>jasper-runtime</artifactId> > </exclusion> > <exclusion> > <groupId>tomcat</groupId> > <artifactId>jasper-compiler</artifactId> > </exclusion> > </exclusions> > </dependency> > > can you help me out with this issue. > > thanks, > yeshwanth. > > > > > > On Sun, Apr 27, 2014 at 10:32 PM, yeshwanth kumar <yeshwant...@gmail.com > >wrote: > > > here's the code snippet <http://pastebin.com/AGh7mTNT> > > > > thanks, > > yeshwanth > > > > > > On Sun, Apr 27, 2014 at 10:20 PM, Ted Yu <yuzhih...@gmail.com> wrote: > > > >> Can you show us code snippet where you add filter to Scan object ? > >> > >> Thanks > >> > >> On Apr 27, 2014, at 9:43 AM, yeshwanth kumar <yeshwant...@gmail.com> > >> wrote: > >> > >> > hi ted, > >> > > >> > i am using fuzzyrow filter while scanning a table. > >> > my cluster is running on HBase 0.94.6-cdh4.5.0 > >> > but in my webapp i specified hbase 0.94.7. dependency. > >> > > >> > even after changing the dependency i still see the same error. > >> > > >> > thanks, > >> > yeshwanth. > >> > > >> > > >> > > >> > > >> > On Sun, Apr 27, 2014 at 10:03 PM, Ted Yu <yuzhih...@gmail.com> wrote: > >> > > >> >> Did the exception below happen when you were performing some query on > >> the > >> >> region server ? > >> >> > >> >> Can you tell us a bit more whether your query uses FilterList ? > >> >> > >> >> Thanks > >> >> > >> >> > >> >> On Sun, Apr 27, 2014 at 9:28 AM, yeshwanth kumar < > >> yeshwant...@gmail.com > >> >>> wrote: > >> >> > >> >>> hi jean, > >> >>> > >> >>> i am using HBase 0.94.6-cdh4.5.0 > >> >>> > >> >>> i found this in regionservers log, > >> >>> > >> >>> org.apache.hadoop.hbase.io.HbaseObjectWritable > >> >>> Error in readFields > >> >>> java.lang.ClassCastException: > >> >>> org.apache.hadoop.hbase.snapshot.HSnapshotDescription cannot be cast > >> to > >> >>> org.apache.hadoop.hbase.filter.Filter > >> >>> at > >> >>> > >> > org.apache.hadoop.hbase.filter.FilterList.readFields(FilterList.java:276) > >> >>> at org.apache.hadoop.hbase.client.Scan.readFields(Scan.java:591) > >> >>> at > >> >> > >> > org.apache.hadoop.hbase.io.HbaseObjectWritable.readObject(HbaseObjectWritable.java:689) > >> >>> at > >> org.apache.hadoop.hbase.ipc.Invocation.readFields(Invocation.java:127) > >> >>> at > >> >> > >> > org.apache.hadoop.hbase.ipc.HBaseServer$Connection.processData(HBaseServer.java:1313) > >> >>> at > >> >> > >> > org.apache.hadoop.hbase.ipc.HBaseServer$Connection.readAndProcess(HBaseServer.java:1228) > >> >>> at > >> >> > >> > org.apache.hadoop.hbase.ipc.HBaseServer$Listener.doRead(HBaseServer.java:750) > >> >>> at > >> >> > >> > org.apache.hadoop.hbase.ipc.HBaseServer$Listener$Reader.doRunLoop(HBaseServer.java:541) > >> >>> at > >> >> > >> > org.apache.hadoop.hbase.ipc.HBaseServer$Listener$Reader.run(HBaseServer.java:516) > >> >>> at > >> >> > >> > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > >> >>> at > >> >> > >> > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > >> >>> at java.lang.Thread.run(Thread.java:744) > >> >>> > >> >>> how can i fix this dependency issue. > >> >>> > >> >>> > >> >>> > >> >>> > >> >>> On Fri, Apr 25, 2014 at 9:06 PM, yeshwanth kumar < > >> yeshwant...@gmail.com > >> >>>> wrote: > >> >>> > >> >>>> hi jean, > >> >>>> > >> >>>> i haven't written any piece of code to workaround znode, > >> >>>> one of my rest endpoint in webapp reads data from hbase. > >> >>>> it is giving me empty set. > >> >>>> all if found in the logs is > >> >>>> > >> >>>> Reading reply sessionid:0x145974472760023, packet:: clientPath:null > >> >>>> serverPath:null finished:false header:: 42,4 replyHeader:: > >> >>>> 42,77309411972,-101 request:: '/hbase/table/NCSVs,F response:: > >> >>>> hconnection-0x145974472760023 Unable to get data of znode > >> >>>> /hbase/table/NCSVs because node does not exist (not an error) > >> >>>> > >> >>>> this is what i found in zookeeper client > >> >>>> > >> >>>> *$[zk: localhost:2181(CONNECTED) 14] ls /hbase* > >> >>>> *[splitlog, online-snapshot, unassigned, table94, > root-region-server, > >> >> rs, > >> >>>> backup-masters, table, draining, master, shutdown, hbaseid]* > >> >>>> > >> >>>> > >> >>>> -yeshwanth > >> >>>> > >> >>>> > >> >>>> On Fri, Apr 25, 2014 at 8:18 PM, Jean-Marc Spaggiari < > >> >>>> jean-m...@spaggiari.org> wrote: > >> >>>> > >> >>>>> Hi Yeshwanth, > >> >>>>> > >> >>>>> What is your webapp looking at the ZNode? If you should the Java > >> >> client > >> >>>>> and > >> >>>>> not look at the ZNode. Not getting why it's looking there. Do yo > >> >> uknow? > >> >>>>> > >> >>>>> JM > >> >>>>> > >> >>>>> > >> >>>>> 2014-04-25 2:01 GMT-04:00 yeshwanth kumar <yeshwant...@gmail.com > >: > >> >>>>> > >> >>>>>> hi matteo, > >> >>>>>> > >> >>>>>> my problem isn't solved yet. > >> >>>>>> webapp isn't reading data from hbase. > >> >>>>>> all i see in logs is znode /hbase/table/mytable doesn't exist. > >> >>>>>> but all my tables are present in /hbase/table94/ > >> >>>>>> > >> >>>>>> so how can i fix this problem. > >> >>>>>> > >> >>>>>> thanks, > >> >>>>>> yeshwanth > >> >>>>>> > >> >>>>>> > >> >>>>>> > >> >>>>>> > >> >>>>>> On Tue, Apr 22, 2014 at 9:58 PM, Matteo Bertozzi < > >> >>>>> theo.berto...@gmail.com > >> >>>>>>> wrote: > >> >>>>>> > >> >>>>>>> that is already done by the server. > >> >>>>>>> The ZooKeeperWatcher.java is using conf.get( > >> >>>>>>> "zookeeper.znode.masterTableEnableDisable", "table94")); > >> >>>>>>> > >> >>>>>>> anyway, why are you looking at the znodes? > >> >>>>>>> a client application should never look at the znodes. > >> >>>>>>> The znodes are only carrying transient informations used for > >> >>>>> coordination > >> >>>>>>> > >> >>>>>>> Matteo > >> >>>>>>> > >> >>>>>>> > >> >>>>>>> > >> >>>>>>> On Tue, Apr 22, 2014 at 9:20 AM, yeshwanth kumar < > >> >>>>> yeshwant...@gmail.com > >> >>>>>>>> wrote: > >> >>>>>>> > >> >>>>>>>> hi matteo, > >> >>>>>>>> > >> >>>>>>>> how do i specify hbase znode to use /hbase/table94 instead of > >> >>>>>>> /hbase/table > >> >>>>>>>> > >> >>>>>>>> thanks > >> >>>>>>>> > >> >>>>>>>> > >> >>>>>>>> On Tue, Apr 22, 2014 at 9:40 PM, Matteo Bertozzi < > >> >>>>>>> theo.berto...@gmail.com > >> >>>>>>>>> wrote: > >> >>>>>>>> > >> >>>>>>>>> On Tue, Apr 22, 2014 at 9:00 AM, yeshwanth kumar < > >> >>>>>>> yeshwant...@gmail.com > >> >>>>>>>>>> wrote: > >> >>>>>>>>> > >> >>>>>>>>>> @matteo > >> >>>>>>>>>> present znode is at /hbase/table where it is empty. > >> >>>>>>>>>> where as all my tables are present in /hbase/table94 > >> >>>>>>>>>> now webapp isn't reading the data from hbase. > >> >>>>>>>>> > >> >>>>>>>>> cdh 4.5.0 doesn't write in /hbase/table due to a compatibility > >> >>>>> issue > >> >>>>>>>>> /hbase/table94 > >> >>>>>>>>> is used. > >> >>>>>>>>> (see HBASE-6710 for details) > >> >>>>>>>>> > >> >>>>>>>>> On Tue, Apr 22, 2014 at 6:56 PM, Matteo Bertozzi < > >> >>>>>>>> theo.berto...@gmail.com > >> >>>>>>>>>> wrote: > >> >>>>>>>>> > >> >>>>>>>>>> > >> >>>>>>>>>>> /hbase/table94 is a "compatibility" znode that replaces > >> >>>>>>> /hbase/table > >> >>>>>>>>>>> if you want more details take a look at HBASE-6710. > >> >>>>>>>>>>> > >> >>>>>>>>>>> what is the problem of looking into /hbase/table94 instead > >> >>> of > >> >>>>>>>>>> /hbase/table? > >> >>>>>>>>>>> > >> >>>>>>>>>>> Matteo > >> >>>>>>>>>>> > >> >>>>>>>>>>> > >> >>>>>>>>>>> > >> >>>>>>>>>>> On Tue, Apr 22, 2014 at 5:18 AM, yeshwanth kumar < > >> >>>>>>>>> yeshwant...@gmail.com > >> >>>>>>>>>>>> wrote: > >> >>>>>>>>>>> > >> >>>>>>>>>>>> Hi, > >> >>>>>>>>>>>> > >> >>>>>>>>>>>> > >> >>>>>>>>>>>> i am running webapp written on jaxrs framework which > >> >>>>> performs > >> >>>>>>> CRUD > >> >>>>>>>>>>>> opereations on hbase. > >> >>>>>>>>>>>> > >> >>>>>>>>>>>> app was working fine till last week, > >> >>>>>>>>>>>> now when i perform reading opeartion from hbase i don't > >> >>> see > >> >>>>>> any > >> >>>>>>>>> data, > >> >>>>>>>>>> i > >> >>>>>>>>>>>> don't see any errors or exceptions but i found this > >> >> lines > >> >>> in > >> >>>>>> the > >> >>>>>>>> log > >> >>>>>>>>>>>> > >> >>>>>>>>>>>> *""Unable to get data of znode /hbase/table/myTable > >> >>> because > >> >>>>>> node > >> >>>>>>>> does > >> >>>>>>>>>> not > >> >>>>>>>>>>>> exist (not an error)"".* > >> >>>>>>>>>>>> > >> >>>>>>>>>>>> i followed this< > >> >>>>> https://blog.cloudera.com/blog/2013/10/what-are-hbase-znodes/> > >> >>>>>>>>>>>> cloudera > >> >>>>>>>>>>>> article about znodes and this is what i found, > >> >>>>>>>>>>>> > >> >>>>>>>>>>>> *$[zk: localhost:2181(CONNECTED) 14] ls /hbase* > >> >>>>>>>>>>>> *[splitlog, online-snapshot, unassigned, table94, > >> >>>>>>>> root-region-server, > >> >>>>>>>>>> rs, > >> >>>>>>>>>>>> backup-masters, table, draining, master, shutdown, > >> >>> hbaseid]* > >> >>>>>>>>>>>> > >> >>>>>>>>>>>> all the tables were present in /hbase/table94, where as > >> >>>>>>>> /hbase/table > >> >>>>>>>>> is > >> >>>>>>>>>>>> empty. > >> >>>>>>>>>>>> > >> >>>>>>>>>>>> i know what is the problem now, > >> >>>>>>>>>>>> but i don't know how to solve it. > >> >>>>>>>>>>>> > >> >>>>>>>>>>>> can someone help me with this issue. > >> >>>>>>>>>>>> > >> >>>>>>>>>>>> Thanks, > >> >>>>>>>>>>>> Yeshwanth > >> >> > >> > > > > >
