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HDFS-4018. TestDataNodeMultipleRegistrations#testMiniDFSClusterWithMultipleNN is missing some cluster cleanup. Contributed by Eli Collins 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1395822 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Eli Collins 2012-10-09 00:22:37 +00:00
parent 1b099a7cbf
commit 2715385c4e
2 changed files with 34 additions and 18 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
View File

@ -83,6 +83,9 @@ Release 2.0.3-alpha - Unreleased
HDFS-4006. TestCheckpoint#testSecondaryHasVeryOutOfDateImage
occasionally fails due to unexpected exit. (todd via eli)
HDFS-4018. testMiniDFSClusterWithMultipleNN is missing some
cluster cleanup. (eli)
Release 2.0.2-alpha - 2012-09-07
INCOMPATIBLE CHANGES

49
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeMultipleRegistrations.java
View File

@ -36,6 +36,7 @@ import org.apache.hadoop.hdfs.MiniDFSNNTopology;
import org.apache.hadoop.hdfs.server.common.HdfsServerConstants.StartupOption;
import org.apache.hadoop.hdfs.server.namenode.FSImageTestUtil;
import org.apache.hadoop.hdfs.server.namenode.NameNode;
import org.apache.hadoop.util.StringUtils;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
@ -216,48 +217,62 @@ public class TestDataNodeMultipleRegistrations {
LOG.info("dn bpos len (still should be 3):" + bposs.length);
Assert.assertEquals("should've registered with three namenodes", 3, bposs.length);
} finally {
if(cluster != null)
cluster.shutdown();
cluster.shutdown();
}
}
@Test
public void testMiniDFSClusterWithMultipleNN() throws IOException {
Configuration conf = new HdfsConfiguration();
// start Federated cluster and add a node.
MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf)
.nnTopology(MiniDFSNNTopology.simpleFederatedTopology(2))
.build();
Assert.assertNotNull(cluster);
Assert.assertEquals("(1)Should be 2 namenodes", 2, cluster.getNumNameNodes());
// add a node
cluster.addNameNode(conf, 0);
Assert.assertEquals("(1)Should be 3 namenodes", 3, cluster.getNumNameNodes());
cluster.shutdown();
try {
Assert.assertNotNull(cluster);
cluster.waitActive();
Assert.assertEquals("(1)Should be 2 namenodes", 2, cluster.getNumNameNodes());
cluster.addNameNode(conf, 0);
Assert.assertEquals("(1)Should be 3 namenodes", 3, cluster.getNumNameNodes());
} catch (IOException ioe) {
Assert.fail("Failed to add NN to cluster:" + StringUtils.stringifyException(ioe));
} finally {
cluster.shutdown();
}
// 2. start with Federation flag set
conf = new HdfsConfiguration();
cluster = new MiniDFSCluster.Builder(conf)
.nnTopology(MiniDFSNNTopology.simpleFederatedTopology(1))
.build();
Assert.assertNotNull(cluster);
Assert.assertEquals("(2)Should be 1 namenodes", 1, cluster.getNumNameNodes());
// add a node
cluster.addNameNode(conf, 0);
Assert.assertEquals("(2)Should be 2 namenodes", 2, cluster.getNumNameNodes());
cluster.shutdown();
try {
Assert.assertNotNull(cluster);
cluster.waitActive();
Assert.assertEquals("(2)Should be 1 namenodes", 1, cluster.getNumNameNodes());
// add a node
cluster.addNameNode(conf, 0);
Assert.assertEquals("(2)Should be 2 namenodes", 2, cluster.getNumNameNodes());
} catch (IOException ioe) {
Assert.fail("Failed to add NN to cluster:" + StringUtils.stringifyException(ioe));
} finally {
cluster.shutdown();
}
// 3. start non-federated
conf = new HdfsConfiguration();
cluster = new MiniDFSCluster.Builder(conf).build();
Assert.assertNotNull(cluster);
Assert.assertEquals("(2)Should be 1 namenodes", 1, cluster.getNumNameNodes());
// add a node
try {
cluster.waitActive();
Assert.assertNotNull(cluster);
Assert.assertEquals("(2)Should be 1 namenodes", 1, cluster.getNumNameNodes());
cluster.addNameNode(conf, 9929);
Assert.fail("shouldn't be able to add another NN to non federated cluster");
} catch (IOException e) {
@ -268,6 +283,4 @@ public class TestDataNodeMultipleRegistrations {
cluster.shutdown();
}
}
}