Hello All,
I am trying to get my local test application to run but when I try I get an
error. This test application is running on my local machine and attempting to
connect to a remote HDFS cluster.
I have made sure I have the same version of hadoop that is on the cluster
installed locally and with the same config. I can run local HDFS commands that
connect just fine to cluster to read the same files my application should be
reading/writing.
Thanks,
Alex
Error:
java.lang.RuntimeException: java.io.IOException: No FileSystem for scheme: hdfs
at
com.datatorrent.lib.io.fs.AbstractFileOutputOperator.setup(AbstractFileOutputOperator.java:334)
at
com.capitalone.vault8.citadel.operators.impl.HdfsFileOutputOperator.setup(HdfsFileOutputOperator.java:71)
at
com.capitalone.vault8.citadel.operators.impl.HdfsFileOutputOperator.setup(HdfsFileOutputOperator.java:22)
at com.datatorrent.stram.engine.Node.setup(Node.java:182)
at
com.datatorrent.stram.engine.StreamingContainer.setupNode(StreamingContainer.java:1290)
at
com.datatorrent.stram.engine.StreamingContainer.access$100(StreamingContainer.java:129)
at
com.datatorrent.stram.engine.StreamingContainer$2.run(StreamingContainer.java:1363)
Caused by: java.io.IOException: No FileSystem for scheme: hdfs
at org.apache.hadoop.fs.FileSystem.getFileSystemClass(FileSystem.java:2421)
at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2428)
at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:88)
at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2467)
at org.apache.hadoop.fs.FileSystem$Cache.getUnique(FileSystem.java:2455)
at org.apache.hadoop.fs.FileSystem.newInstance(FileSystem.java:414)
at org.apache.hadoop.fs.FileSystem.newInstance(FileSystem.java:422)
at org.apache.hadoop.fs.FileSystem.newInstance(FileSystem.java:404)
at
com.capitalone.vault8.citadel.operators.impl.HdfsFileOutputOperator.getFSInstance(HdfsFileOutputOperator.java:90)
at
com.datatorrent.lib.io.fs.AbstractFileOutputOperator.setup(AbstractFileOutputOperator.java:332)
... 6 more
Application Test Class:
@Category(IntegrationTest.class)
public class ApplicationTest {
@Test
public void testApplication() throws IOException, Exception {
try {
LocalMode lma = LocalMode.newInstance();
Configuration conf = new Configuration(false);
conf.addResource(this.getClass().getResourceAsStream("/META-INF/properties.xml"));
lma.prepareDAG(new Application(), conf);
LocalMode.Controller lc = lma.getController();
lc.run(200000); // runs for 10 seconds and quits
lc.shutdown();
} catch (ConstraintViolationException e) {
Assert.fail("constraint violations: " + e.getConstraintViolations());
}
}
}
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