java IO exception No filesystem for scheme hdfs

[yeshwanth kumar <ye...@gmail.com>]

hi

while using phoenix i often get this warning
queries gets executed, data is loaded in hbase without any failure.
i don't know the reason behind it.
is there a way to avoid it.


-------------------------------------------------------------------------------------------------------------------------------------------
14/07/27 03:32:49 WARN util.DynamicClassLoader: Failed to identify the fs
of dir hdfs://sandbox.hortonworks.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$Cache.get(FileSystem.java:2413)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:368)
at org.apache.hadoop.fs.Path.getFileSystem(Path.java:296)
at
org.apache.hadoop.hbase.util.DynamicClassLoader.<init>(DynamicClassLoader.java:104)
at
org.apache.hadoop.hbase.protobuf.ProtobufUtil.<clinit>(ProtobufUtil.java:217)
at org.apache.hadoop.hbase.ClusterId.parseFrom(ClusterId.java:64)
at
org.apache.hadoop.hbase.zookeeper.ZKClusterId.readClusterIdZNode(ZKClusterId.java:75)
at
org.apache.hadoop.hbase.client.ZooKeeperRegistry.getClusterId(ZooKeeperRegistry.java:86)
at
org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.retrieveClusterId(ConnectionManager.java:853)
at
org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.<init>(ConnectionManager.java:657)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at
org.apache.hadoop.hbase.client.ConnectionManager.createConnection(ConnectionManager.java:419)
at
org.apache.hadoop.hbase.client.ConnectionManager.createConnectionInternal(ConnectionManager.java:314)
at
org.apache.hadoop.hbase.client.HConnectionManager.createConnection(HConnectionManager.java:291)
at
org.apache.phoenix.query.HConnectionFactory$HConnectionFactoryImpl.createConnection(HConnectionFactory.java:47)
at
org.apache.phoenix.query.ConnectionQueryServicesImpl.openConnection(ConnectionQueryServicesImpl.java:252)
at
org.apache.phoenix.query.ConnectionQueryServicesImpl.init(ConnectionQueryServicesImpl.java:1447)
at
org.apache.phoenix.jdbc.PhoenixDriver.getConnectionQueryServices(PhoenixDriver.java:131)
at
org.apache.phoenix.jdbc.PhoenixEmbeddedDriver.connect(PhoenixEmbeddedDriver.java:112)
at java.sql.DriverManager.getConnection(DriverManager.java:571)
at java.sql.DriverManager.getConnection(DriverManager.java:187)
at org.apache.phoenix.util.PhoenixRuntime.main(PhoenixRuntime.java:197)
no rows upserted
Time: 8.802 sec(s)

thanks,
yeshwanth