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HDFS-9429. Tests in TestDFSAdminWithHA intermittently fail with EOFException (Xiao Chen via Colin P. McCabe) 

(cherry picked from commit 53e3bf7e70)
This commit is contained in:
Colin Patrick Mccabe 2015-12-01 23:21:21 -08:00
parent 0a1ef49b33
commit 9b516a2a05
12 changed files with 58 additions and 4 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -1565,6 +1565,9 @@ Release 2.8.0 - UNRELEASED
HDFS-6533. TestBPOfferService#testBasicFunctionalitytest fails
intermittently. (Wei-Chiu Chuang via Arpit Agarwal)
HDFS-9429. Tests in TestDFSAdminWithHA intermittently fail with
EOFException (Xiao Chen via Colin P. McCabe)
Release 2.7.3 - UNRELEASED
INCOMPATIBLE CHANGES

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestRollingUpgrade.java
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@ -168,6 +168,7 @@ public class TestRollingUpgrade {
final Configuration conf = new HdfsConfiguration();
final MiniJournalCluster mjc = new MiniJournalCluster.Builder(conf).build();
mjc.waitActive();
setConf(conf, nn1Dir, mjc);
{

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestRollingUpgradeRollback.java
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@ -153,6 +153,7 @@ public class TestRollingUpgradeRollback {
try {
mjc = new MiniJournalCluster.Builder(conf).numJournalNodes(
NUM_JOURNAL_NODES).build();
mjc.waitActive();
conf.set(DFSConfigKeys.DFS_NAMENODE_EDITS_DIR_KEY, mjc
.getQuorumJournalURI(JOURNAL_ID).toString());
cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0).build();

38
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/MiniJournalCluster.java
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@ -17,26 +17,34 @@
*/
package org.apache.hadoop.hdfs.qjournal;
import static org.apache.hadoop.hdfs.qjournal.QJMTestUtil.FAKE_NSINFO;
import static org.junit.Assert.fail;
import java.io.File;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.List;
import java.util.concurrent.TimeoutException;
import com.google.common.base.Supplier;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileUtil;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager;
import org.apache.hadoop.hdfs.qjournal.server.JournalNode;
import org.apache.hadoop.net.NetUtils;
import com.google.common.base.Joiner;
import com.google.common.collect.Lists;
import org.apache.hadoop.test.GenericTestUtils;
public class MiniJournalCluster {
public static final String CLUSTER_WAITACTIVE_URI = "waitactive";
public static class Builder {
private String baseDir;
private int numJournalNodes = 3;
@ -217,4 +225,34 @@ public class MiniJournalCluster {
return nodes.length;
}
/**
* Wait until all the journalnodes start.
*/
public void waitActive() throws IOException {
for (int i = 0; i < nodes.length; i++) {
final int index = i;
try {
GenericTestUtils.waitFor(new Supplier<Boolean>() {
// wait until all JN's IPC server is running
@Override public Boolean get() {
try {
QuorumJournalManager qjm =
new QuorumJournalManager(nodes[index].node.getConf(),
getQuorumJournalURI(CLUSTER_WAITACTIVE_URI), FAKE_NSINFO);
qjm.hasSomeData();
qjm.close();
} catch (IOException e) {
// Exception from IPC call, likely due to server not ready yet.
return false;
}
return true;
}
}, 50, 3000);
} catch (TimeoutException e) {
fail("Time out while waiting for journal node " + index + " to start.");
} catch (InterruptedException ite) {
LOG.warn("Thread interrupted when waiting for node start", ite);
}
}
}
}

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/MiniQJMHACluster.java
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@ -92,6 +92,7 @@ public class MiniQJMHACluster {
// start 3 journal nodes
journalCluster = new MiniJournalCluster.Builder(conf).format(true)
.build();
journalCluster.waitActive();
URI journalURI = journalCluster.getQuorumJournalURI(NAMESERVICE);
// start cluster with 2 NameNodes

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/TestMiniJournalCluster.java
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@ -36,6 +36,7 @@ public class TestMiniJournalCluster {
Configuration conf = new Configuration();
MiniJournalCluster c = new MiniJournalCluster.Builder(conf)
.build();
c.waitActive();
try {
URI uri = c.getQuorumJournalURI("myjournal");
String[] addrs = uri.getAuthority().split(";");

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/TestNNWithQJM.java
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@ -52,6 +52,7 @@ public class TestNNWithQJM {
@Before
public void startJNs() throws Exception {
mjc = new MiniJournalCluster.Builder(conf).build();
mjc.waitActive();
}
@After

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/TestSecureNNWithQJM.java
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@ -212,6 +212,7 @@ public class TestSecureNNWithQJM {
private void startCluster() throws IOException {
mjc = new MiniJournalCluster.Builder(conf)
.build();
mjc.waitActive();
conf.set(DFS_NAMENODE_EDITS_DIR_KEY,
mjc.getQuorumJournalURI("myjournal").toString());
cluster = new MiniDFSCluster.Builder(conf)

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/client/TestEpochsAreUnique.java
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@ -51,6 +51,7 @@ public class TestEpochsAreUnique {
public void testSingleThreaded() throws IOException {
Configuration conf = new Configuration();
MiniJournalCluster cluster = new MiniJournalCluster.Builder(conf).build();
cluster.waitActive();
URI uri = cluster.getQuorumJournalURI(JID);
QuorumJournalManager qjm = new QuorumJournalManager(
conf, uri, FAKE_NSINFO);

3
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/client/TestQJMWithFaults.java
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@ -98,6 +98,7 @@ public class TestQJMWithFaults {
private static long determineMaxIpcNumber() throws Exception {
Configuration conf = new Configuration();
MiniJournalCluster cluster = new MiniJournalCluster.Builder(conf).build();
cluster.waitActive();
QuorumJournalManager qjm = null;
long ret;
try {
@ -146,6 +147,7 @@ public class TestQJMWithFaults {
MiniJournalCluster cluster = new MiniJournalCluster.Builder(conf)
.build();
cluster.waitActive();
QuorumJournalManager qjm = null;
try {
qjm = createInjectableQJM(cluster);
@ -218,6 +220,7 @@ public class TestQJMWithFaults {
MiniJournalCluster cluster = new MiniJournalCluster.Builder(conf)
.build();
cluster.waitActive();
// Format the cluster using a non-faulty QJM.
QuorumJournalManager qjmForInitialFormat =

1
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/client/TestQuorumJournalManager.java
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@ -94,6 +94,7 @@ public class TestQuorumJournalManager {
cluster = new MiniJournalCluster.Builder(conf)
.build();
cluster.waitActive();
qjm = createSpyingQJM();
spies = qjm.getLoggerSetForTests().getLoggersForTests();

10
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/server/TestJournalNodeMXBean.java
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@ -19,6 +19,7 @@ package org.apache.hadoop.hdfs.qjournal.server;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import java.lang.management.ManagementFactory;
@ -52,6 +53,7 @@ public class TestJournalNodeMXBean {
// start 1 journal node
jCluster = new MiniJournalCluster.Builder(new Configuration()).format(true)
.numJournalNodes(NUM_JN).build();
jCluster.waitActive();
jn = jCluster.getJournalNode(0);
}
@ -89,19 +91,19 @@ public class TestJournalNodeMXBean {
Map<String, String> infoMap = new HashMap<String, String>();
infoMap.put("Formatted", "true");
jMap.put(NAMESERVICE, infoMap);
Map<String, String> infoMap1 = new HashMap<>();
infoMap1.put("Formatted", "false");
jMap.put(MiniJournalCluster.CLUSTER_WAITACTIVE_URI, infoMap1);
assertEquals(JSON.toString(jMap), journalStatus);
// restart journal node without formatting
jCluster = new MiniJournalCluster.Builder(new Configuration()).format(false)
.numJournalNodes(NUM_JN).build();
jCluster.waitActive();
jn = jCluster.getJournalNode(0);
// re-check
journalStatus = (String) mbs.getAttribute(mxbeanName, "JournalsStatus");
assertEquals(jn.getJournalsStatus(), journalStatus);
jMap = new HashMap<String, Map<String, String>>();
infoMap = new HashMap<String, String>();
infoMap.put("Formatted", "true");
jMap.put(NAMESERVICE, infoMap);
assertEquals(JSON.toString(jMap), journalStatus);
}
}