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HBASE-13040 Possible failure of TestHMasterRPCException (Zhang Duo)

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stack 2015-02-17 12:10:18 -08:00
parent ca25a6a870
commit 54d70e61bf
1 changed files with 70 additions and 47 deletions
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117
hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestHMasterRPCException.java
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@ -19,15 +19,18 @@
package org.apache.hadoop.hbase.master;
import static org.junit.Assert.fail;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import java.net.SocketTimeoutException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.*;
import org.apache.hadoop.hbase.CoordinatedStateManager;
import org.apache.hadoop.hbase.CoordinatedStateManagerFactory;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.ipc.RpcClient;
import org.apache.hadoop.hbase.ipc.RpcClientFactory;
import org.apache.hadoop.hbase.protobuf.ProtobufUtil;
@ -36,60 +39,80 @@ import org.apache.hadoop.hbase.protobuf.generated.MasterProtos.IsMasterRunningRe
import org.apache.hadoop.hbase.security.User;
import org.apache.hadoop.hbase.testclassification.MasterTests;
import org.apache.hadoop.hbase.testclassification.MediumTests;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.zookeeper.ZKUtil;
import org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
import org.apache.zookeeper.KeeperException;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import com.google.protobuf.BlockingRpcChannel;
import com.google.protobuf.ServiceException;
@Category({MasterTests.class, MediumTests.class})
@Category({ MasterTests.class, MediumTests.class })
public class TestHMasterRPCException {
@Test
public void testRPCException() throws Exception {
HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
TEST_UTIL.startMiniZKCluster();
Configuration conf = TEST_UTIL.getConfiguration();
private static final Log LOG = LogFactory.getLog(TestHMasterRPCException.class);
private final HBaseTestingUtility testUtil = HBaseTestingUtility.createLocalHTU();
private HMaster master;
private RpcClient rpcClient;
@Before
public void setUp() throws Exception {
Configuration conf = testUtil.getConfiguration();
conf.set(HConstants.MASTER_PORT, "0");
conf.setInt(HConstants.ZK_SESSION_TIMEOUT, 2000);
testUtil.startMiniZKCluster();
CoordinatedStateManager cp = CoordinatedStateManagerFactory.getCoordinatedStateManager(conf);
HMaster hm = new HMaster(conf, cp);
ServerName sm = hm.getServerName();
RpcClient rpcClient = RpcClientFactory.createClient(conf, HConstants.CLUSTER_ID_DEFAULT);
try {
int i = 0;
//retry the RPC a few times; we have seen SocketTimeoutExceptions if we
//try to connect too soon. Retry on SocketTimeoutException.
while (i < 20) {
try {
BlockingRpcChannel channel =
rpcClient.createBlockingRpcChannel(sm, User.getCurrent(), 0);
MasterProtos.MasterService.BlockingInterface stub =
MasterProtos.MasterService.newBlockingStub(channel);
stub.isMasterRunning(null, IsMasterRunningRequest.getDefaultInstance());
fail();
} catch (ServiceException ex) {
IOException ie = ProtobufUtil.getRemoteException(ex);
if (!(ie instanceof SocketTimeoutException)) {
if (ie.getMessage().startsWith("org.apache.hadoop.hbase.ipc." +
"ServerNotRunningYetException: Server is not running yet")) {
// Done. Got the exception we wanted.
System.out.println("Expected exception: " + ie.getMessage());
return;
} else {
throw ex;
}
} else {
System.err.println("Got SocketTimeoutException. Will retry. ");
}
} catch (Throwable t) {
fail("Unexpected throwable: " + t);
}
Thread.sleep(100);
i++;
}
fail();
} finally {
ZooKeeperWatcher watcher = testUtil.getZooKeeperWatcher();
ZKUtil.createWithParents(watcher, watcher.getMasterAddressZNode(), Bytes.toBytes("fake:123"));
master = new HMaster(conf, cp);
rpcClient = RpcClientFactory.createClient(conf, HConstants.CLUSTER_ID_DEFAULT);
}
@After
public void tearDown() throws IOException {
if (rpcClient != null) {
rpcClient.close();
}
if (master != null) {
master.stopMaster();
}
testUtil.shutdownMiniZKCluster();
}
}
@Test
public void testRPCException() throws IOException, InterruptedException, KeeperException {
ServerName sm = master.getServerName();
boolean fakeZNodeDelete = false;
for (int i = 0; i < 20; i++) {
try {
BlockingRpcChannel channel = rpcClient.createBlockingRpcChannel(sm, User.getCurrent(), 0);
MasterProtos.MasterService.BlockingInterface stub =
MasterProtos.MasterService.newBlockingStub(channel);
assertTrue(stub.isMasterRunning(null, IsMasterRunningRequest.getDefaultInstance())
.getIsMasterRunning());
return;
} catch (ServiceException ex) {
IOException ie = ProtobufUtil.getRemoteException(ex);
// No SocketTimeoutException here. RpcServer is already started after the construction of
// HMaster.
assertTrue(ie.getMessage().startsWith(
"org.apache.hadoop.hbase.ipc.ServerNotRunningYetException: Server is not running yet"));
LOG.info("Expected exception: ", ie);
if (!fakeZNodeDelete) {
testUtil.getZooKeeperWatcher().getRecoverableZooKeeper()
.delete(testUtil.getZooKeeperWatcher().getMasterAddressZNode(), -1);
fakeZNodeDelete = true;
}
}
Thread.sleep(1000);
}
}
}