Strange. BaseMetricsSourceImpl class in hbase-hadoop2-compat module doesn't refer to MetricMutable directly.
On Sat, Nov 3, 2012 at 1:39 PM, Thanh Do <[email protected]> wrote: > hi all, > > I built a tarball installation from hbase-core-trunk using: > > mvn -Dhadoop.profile=2.0 package install assembly:assembly -DskipTests > > Then I used the tarball to start an Hbase cluster on top of HDFS 2.0. > however, the master failed to start with following exception: > > java.lang.RuntimeException: Failed construction of Master: class > org.apache.hadoop.hbase.\ > master.HMaster > at > org.apache.hadoop.hbase.master.HMaster.constructMaster(HMaster.java:2279) > at > > org.apache.hadoop.hbase.master.HMasterCommandLine.startMaster(HMasterCommandLi\ > ne.java:151) > at > > org.apache.hadoop.hbase.master.HMasterCommandLine.run(HMasterCommandLine.java:\ > 106) > at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) > at > > org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:7\ > 8) > at org.apache.hadoop.hbase.master.HMaster.main(HMaster.java:2293) > Caused by: java.lang.ClassNotFoundException: > org.apache.hadoop.metrics2.lib.MetricMutable > at java.net.URLClassLoader$1.run(URLClassLoader.java:202) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:190) > at java.lang.ClassLoader.loadClass(ClassLoader.java:307) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) > at java.lang.ClassLoader.loadClass(ClassLoader.java:248) > at > > org.apache.hadoop.hbase.metrics.BaseMetricsSourceImpl.<init>(BaseMetricsSource\ > Impl.java:69) > at > > org.apache.hadoop.hbase.master.metrics.MasterMetricsSourceImpl.<init>(MasterMe\ > tricsSourceImpl.java:54) > at > > org.apache.hadoop.hbase.master.metrics.MasterMetricsSourceImpl.<init>(MasterMe\ > tricsSourceImpl.java:46) > at > > org.apache.hadoop.hbase.master.metrics.MasterMetricsSourceFactoryImpl.create(M\ > asterMetricsSourceFactoryImpl.java:33) > at > > org.apache.hadoop.hbase.master.metrics.MasterMetrics.<init>(MasterMetrics.java\ > :40) > at org.apache.hadoop.hbase.master.HMaster.<init>(HMaster.java:386) > at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native > Method) > at > > sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccesso\ > rImpl.java:39) > at > > sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructo\ > rAccessorImpl.java:27) > at java.lang.reflect.Constructor.newInstance(Constructor.java:513) > at > org.apache.hadoop.hbase.master.HMaster.constructMaster(HMaster.java:2274) > ... 5 more > > Seems like the class org.apache.hadoop.metrics2.lib.MetricMutable could not > be found. > > Could somebody please guide me how to resolve this problem? > > Many thanks, > Thanh >
