Is namenode running on my-hbase-master.com <http://my-hbase-master.com:8020/apps/hbase/data/lib> ?
Which hbase release are you using ? I assume hbase-site.xml is in the classpath of your app. What's the value for hbase.rootdir ? Cheers On Wed, Jan 28, 2015 at 4:10 PM, Yang <teddyyyy...@gmail.com> wrote: > we have a standalone java code, which simply tries to insert one record > into an existing hbase table. > > here it got the following error:but it is able to proceed. so this means > the following operation which triggered the error is useless ??? if so, > shouldn't the useless code be removed? > > thanks > Yang > > 2015-01-28 16:06:05,769 [pool-2-thread-1] WARN > org.apache.hadoop.hbase.util.DynamicClassLoader - Failed to identify the > fs of dir hdfs://my-hbase-master.com:8020/apps/hbase/data/lib, ignored > java.io.IOException: No FileSystem for scheme: hdfs > at org.apache.hadoop.fs.FileSystem.getFileSystemClass(FileSystem.java:2385) > at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2392) > at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:89) > at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2431) > at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2413) > at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:368) > at org.apache.hadoop.fs.Path.getFileSystem(Path.java:296) > at > > org.apache.hadoop.hbase.util.DynamicClassLoader.<init>(DynamicClassLoader.java:104) > at > > org.apache.hadoop.hbase.protobuf.ProtobufUtil.<clinit>(ProtobufUtil.java:201) > at org.apache.hadoop.hbase.ClusterId.parseFrom(ClusterId.java:64) > at > > org.apache.hadoop.hbase.zookeeper.ZKClusterId.readClusterIdZNode(ZKClusterId.java:69) > at > > org.apache.hadoop.hbase.client.ZooKeeperRegistry.getClusterId(ZooKeeperRegistry.java:83) > at > > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.retrieveClusterId(HConnectionManager.java:857) > at > > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.<init>(HConnectionManager.java:662) > at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) > at > > sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) > at > > sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) > at java.lang.reflect.Constructor.newInstance(Constructor.java:526) > at > > org.apache.hadoop.hbase.client.HConnectionManager.createConnection(HConnectionManager.java:414) > at > > org.apache.hadoop.hbase.client.HConnectionManager.createConnection(HConnectionManager.java:393) > at > > org.apache.hadoop.hbase.client.HConnectionManager.getConnection(HConnectionManager.java:274) > at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:188) > at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:150) > at bdp.kafka.connector.BDPConsumer.run(BDPConsumer.java:58) > > > > > Configuration config = HBaseConfiguration.create(); > HTable table = new HTable(config, hTableName); >
