This is an automated email from the ASF dual-hosted git repository.
zhangduo pushed a commit to branch HBASE-21512
in repository https://gitbox.apache.org/repos/asf/hbase.git
commit d9a5e30129a878c6a1e21dec7f87816ad645503b
Author: zhangduo <zhang...@apache.org>
AuthorDate: Fri Nov 30 08:23:47 2018 +0800
HBASE-21515 Also initialize an AsyncClusterConnection in HRegionServer
---
.../hbase/client/AsyncClusterConnection.java | 38 +++++++++++++
.../hadoop/hbase/client/AsyncConnectionImpl.java | 14 +++--
.../hbase/client/ClusterConnectionFactory.java | 63 ++++++++++++++++++++++
.../hadoop/hbase/client/ConnectionFactory.java | 2 +-
.../apache/hadoop/hbase/util/ReflectionUtils.java | 22 ++++----
.../main/java/org/apache/hadoop/hbase/Server.java | 20 +++++++
.../org/apache/hadoop/hbase/master/HMaster.java | 3 ++
.../hadoop/hbase/regionserver/HRegionServer.java | 56 +++++++++++++------
.../regionserver/ReplicationSyncUp.java | 6 +++
.../hadoop/hbase/MockRegionServerServices.java | 5 ++
.../client/TestAsyncNonMetaRegionLocator.java | 2 +-
...stAsyncNonMetaRegionLocatorConcurrenyLimit.java | 2 +-
.../hbase/client/TestAsyncRegionLocator.java | 2 +-
.../TestAsyncSingleRequestRpcRetryingCaller.java | 4 +-
.../hbase/client/TestAsyncTableNoncedRetry.java | 2 +-
.../hbase/master/MockNoopMasterServices.java | 6 +++
.../hadoop/hbase/master/MockRegionServer.java | 5 ++
.../hbase/master/TestActiveMasterManager.java | 6 +++
.../hbase/master/cleaner/TestHFileCleaner.java | 6 +++
.../hbase/master/cleaner/TestHFileLinkCleaner.java | 6 +++
.../hbase/master/cleaner/TestLogsCleaner.java | 6 +++
.../cleaner/TestReplicationHFileCleaner.java | 6 +++
.../hbase/regionserver/TestHeapMemoryManager.java | 6 +++
.../hbase/regionserver/TestSplitLogWorker.java | 6 +++
.../hadoop/hbase/regionserver/TestWALLockup.java | 6 +++
.../replication/TestReplicationTrackerZKImpl.java | 6 +++
.../regionserver/TestReplicationSourceManager.java | 6 +++
.../security/token/TestTokenAuthentication.java | 6 +++
.../org/apache/hadoop/hbase/util/MockServer.java | 6 +++
29 files changed, 289 insertions(+), 35 deletions(-)
diff --git
a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncClusterConnection.java
b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncClusterConnection.java
new file mode 100644
index 0000000..c7dea25
--- /dev/null
+++
b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncClusterConnection.java
@@ -0,0 +1,38 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.hbase.client;
+
+import org.apache.hadoop.hbase.ipc.RpcClient;
+import org.apache.yetus.audience.InterfaceAudience;
+
+/**
+ * The asynchronous connection for internal usage.
+ */
+@InterfaceAudience.Private
+public interface AsyncClusterConnection extends AsyncConnection {
+
+ /**
+ * Get the nonce generator for this connection.
+ */
+ NonceGenerator getNonceGenerator();
+
+ /**
+ * Get the rpc client we used to communicate with other servers.
+ */
+ RpcClient getRpcClient();
+}
diff --git
a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncConnectionImpl.java
b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncConnectionImpl.java
index 4a32546..81dafaf 100644
---
a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncConnectionImpl.java
+++
b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncConnectionImpl.java
@@ -23,6 +23,7 @@ import static
org.apache.hadoop.hbase.client.NonceGenerator.CLIENT_NONCES_ENABLE
import static org.apache.hadoop.hbase.util.FutureUtils.addListener;
import java.io.IOException;
+import java.net.SocketAddress;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
@@ -63,7 +64,7 @@ import
org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.MasterServ
* The implementation of AsyncConnection.
*/
@InterfaceAudience.Private
-class AsyncConnectionImpl implements AsyncConnection {
+class AsyncConnectionImpl implements AsyncClusterConnection {
private static final Logger LOG =
LoggerFactory.getLogger(AsyncConnectionImpl.class);
@@ -106,7 +107,7 @@ class AsyncConnectionImpl implements AsyncConnection {
private ChoreService authService;
public AsyncConnectionImpl(Configuration conf, AsyncRegistry registry,
String clusterId,
- User user) {
+ SocketAddress localAddress, User user) {
this.conf = conf;
this.user = user;
if (user.isLoginFromKeytab()) {
@@ -114,7 +115,7 @@ class AsyncConnectionImpl implements AsyncConnection {
}
this.connConf = new AsyncConnectionConfiguration(conf);
this.registry = registry;
- this.rpcClient = RpcClientFactory.createClient(conf, clusterId);
+ this.rpcClient = RpcClientFactory.createClient(conf, clusterId,
localAddress, null);
this.rpcControllerFactory = RpcControllerFactory.instantiate(conf);
this.hostnameCanChange = conf.getBoolean(RESOLVE_HOSTNAME_ON_FAIL_KEY,
true);
this.rpcTimeout =
@@ -158,11 +159,16 @@ class AsyncConnectionImpl implements AsyncConnection {
}
// ditto
- @VisibleForTesting
+ @Override
public NonceGenerator getNonceGenerator() {
return nonceGenerator;
}
+ @Override
+ public RpcClient getRpcClient() {
+ return rpcClient;
+ }
+
private ClientService.Interface createRegionServerStub(ServerName
serverName) throws IOException {
return ClientService.newStub(rpcClient.createRpcChannel(serverName, user,
rpcTimeout));
}
diff --git
a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ClusterConnectionFactory.java
b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ClusterConnectionFactory.java
new file mode 100644
index 0000000..68c0630
--- /dev/null
+++
b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ClusterConnectionFactory.java
@@ -0,0 +1,63 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.hbase.client;
+
+import java.io.IOException;
+import java.io.InterruptedIOException;
+import java.net.SocketAddress;
+import java.util.concurrent.ExecutionException;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hbase.security.User;
+import org.apache.yetus.audience.InterfaceAudience;
+
+import org.apache.hbase.thirdparty.com.google.common.base.Throwables;
+
+/**
+ * The factory for creating {@link AsyncClusterConnection}.
+ */
+@InterfaceAudience.Private
+public final class ClusterConnectionFactory {
+
+ private ClusterConnectionFactory() {
+ }
+
+ /**
+ * Create a new {@link AsyncClusterConnection} instance.
+ * <p/>
+ * Unlike what we have done in {@link ConnectionFactory}, here we just
return an
+ * {@link AsyncClusterConnection} instead of a {@link
java.util.concurrent.CompletableFuture},
+ * which means this method could block on fetching the cluster id. This is
just used to simplify
+ * the implementation, as when starting new region servers, we do not need
to be event-driven. Can
+ * change later if we want a {@link java.util.concurrent.CompletableFuture}
here.
+ */
+ public static AsyncClusterConnection
createAsyncClusterConnection(Configuration conf,
+ SocketAddress localAddress, User user) throws IOException {
+ AsyncRegistry registry = AsyncRegistryFactory.getRegistry(conf);
+ String clusterId;
+ try {
+ clusterId = registry.getClusterId().get();
+ } catch (InterruptedException e) {
+ throw (IOException) new InterruptedIOException().initCause(e);
+ } catch (ExecutionException e) {
+ Throwable cause = e.getCause();
+ Throwables.propagateIfPossible(cause, IOException.class);
+ throw new IOException(cause);
+ }
+ return new AsyncConnectionImpl(conf, registry, clusterId, localAddress,
user);
+ }
+}
diff --git
a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ConnectionFactory.java
b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ConnectionFactory.java
index e3e87f6..d4e50ed 100644
---
a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ConnectionFactory.java
+++
b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/ConnectionFactory.java
@@ -297,7 +297,7 @@ public class ConnectionFactory {
try {
future.complete(
user.runAs((PrivilegedExceptionAction<? extends AsyncConnection>) ()
-> ReflectionUtils
- .newInstance(clazz, conf, registry, clusterId, user)));
+ .newInstance(clazz, conf, registry, clusterId, null, user)));
} catch (Exception e) {
future.completeExceptionally(e);
}
diff --git
a/hbase-common/src/main/java/org/apache/hadoop/hbase/util/ReflectionUtils.java
b/hbase-common/src/main/java/org/apache/hadoop/hbase/util/ReflectionUtils.java
index a136846..268249d 100644
---
a/hbase-common/src/main/java/org/apache/hadoop/hbase/util/ReflectionUtils.java
+++
b/hbase-common/src/main/java/org/apache/hadoop/hbase/util/ReflectionUtils.java
@@ -83,15 +83,19 @@ public class ReflectionUtils {
boolean match = true;
for (int i = 0; i < ctorParamTypes.length && match; ++i) {
- Class<?> paramType = paramTypes[i].getClass();
- match = (!ctorParamTypes[i].isPrimitive()) ?
ctorParamTypes[i].isAssignableFrom(paramType) :
- ((int.class.equals(ctorParamTypes[i]) &&
Integer.class.equals(paramType)) ||
- (long.class.equals(ctorParamTypes[i]) &&
Long.class.equals(paramType)) ||
- (double.class.equals(ctorParamTypes[i]) &&
Double.class.equals(paramType)) ||
- (char.class.equals(ctorParamTypes[i]) &&
Character.class.equals(paramType)) ||
- (short.class.equals(ctorParamTypes[i]) &&
Short.class.equals(paramType)) ||
- (boolean.class.equals(ctorParamTypes[i]) &&
Boolean.class.equals(paramType)) ||
- (byte.class.equals(ctorParamTypes[i]) &&
Byte.class.equals(paramType)));
+ if (paramTypes[i] == null) {
+ match = !ctorParamTypes[i].isPrimitive();
+ } else {
+ Class<?> paramType = paramTypes[i].getClass();
+ match = (!ctorParamTypes[i].isPrimitive()) ?
ctorParamTypes[i].isAssignableFrom(paramType)
+ : ((int.class.equals(ctorParamTypes[i]) &&
Integer.class.equals(paramType)) ||
+ (long.class.equals(ctorParamTypes[i]) &&
Long.class.equals(paramType)) ||
+ (double.class.equals(ctorParamTypes[i]) &&
Double.class.equals(paramType)) ||
+ (char.class.equals(ctorParamTypes[i]) &&
Character.class.equals(paramType)) ||
+ (short.class.equals(ctorParamTypes[i]) &&
Short.class.equals(paramType)) ||
+ (boolean.class.equals(ctorParamTypes[i]) &&
Boolean.class.equals(paramType)) ||
+ (byte.class.equals(ctorParamTypes[i]) &&
Byte.class.equals(paramType)));
+ }
}
if (match) {
diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/Server.java
b/hbase-server/src/main/java/org/apache/hadoop/hbase/Server.java
index fb898ea..c33d5af 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/Server.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/Server.java
@@ -20,6 +20,8 @@ package org.apache.hadoop.hbase;
import java.io.IOException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.hbase.client.AsyncClusterConnection;
+import org.apache.hadoop.hbase.client.AsyncConnection;
import org.apache.hadoop.hbase.client.ClusterConnection;
import org.apache.hadoop.hbase.client.Connection;
import org.apache.hadoop.hbase.zookeeper.ZKWatcher;
@@ -61,6 +63,24 @@ public interface Server extends Abortable, Stoppable {
ClusterConnection getClusterConnection();
/**
+ * Returns a reference to the servers' async connection.
+ * <p/>
+ * Important note: this method returns a reference to Connection which is
managed by Server
+ * itself, so callers must NOT attempt to close connection obtained.
+ */
+ default AsyncConnection getAsyncConnection() {
+ return getAsyncClusterConnection();
+ }
+
+ /**
+ * Returns a reference to the servers' async cluster connection.
+ * <p/>
+ * Important note: this method returns a reference to Connection which is
managed by Server
+ * itself, so callers must NOT attempt to close connection obtained.
+ */
+ AsyncClusterConnection getAsyncClusterConnection();
+
+ /**
* @return The unique server name for this server.
*/
ServerName getServerName();
diff --git
a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
index 9d2a743..7579fd5 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
@@ -3033,6 +3033,9 @@ public class HMaster extends HRegionServer implements
MasterServices {
if (this.clusterConnection != null) {
this.clusterConnection.close();
}
+ if (this.asyncClusterConnection != null) {
+ this.asyncClusterConnection.close();
+ }
}
public void stopMaster() throws IOException {
diff --git
a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
index 34a6c13..dbc5e77 100644
---
a/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
+++
b/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
@@ -82,7 +82,9 @@ import org.apache.hadoop.hbase.TableDescriptors;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.YouAreDeadException;
import org.apache.hadoop.hbase.ZNodeClearer;
+import org.apache.hadoop.hbase.client.AsyncClusterConnection;
import org.apache.hadoop.hbase.client.ClusterConnection;
+import org.apache.hadoop.hbase.client.ClusterConnectionFactory;
import org.apache.hadoop.hbase.client.Connection;
import org.apache.hadoop.hbase.client.ConnectionUtils;
import org.apache.hadoop.hbase.client.RegionInfo;
@@ -109,7 +111,6 @@ import org.apache.hadoop.hbase.io.util.MemorySizeUtil;
import org.apache.hadoop.hbase.ipc.CoprocessorRpcUtils;
import org.apache.hadoop.hbase.ipc.NettyRpcClientConfigHelper;
import org.apache.hadoop.hbase.ipc.RpcClient;
-import org.apache.hadoop.hbase.ipc.RpcClientFactory;
import org.apache.hadoop.hbase.ipc.RpcControllerFactory;
import org.apache.hadoop.hbase.ipc.RpcServer;
import org.apache.hadoop.hbase.ipc.RpcServerInterface;
@@ -267,6 +268,11 @@ public class HRegionServer extends HasThread implements
protected ClusterConnection clusterConnection;
/**
+ * The asynchronous cluster connection to be shared by services.
+ */
+ protected AsyncClusterConnection asyncClusterConnection;
+
+ /**
* Go here to get table descriptors.
*/
protected TableDescriptors tableDescriptors;
@@ -783,11 +789,7 @@ public class HRegionServer extends HasThread implements
return true;
}
- /**
- * Create a 'smarter' Connection, one that is capable of by-passing RPC if
the request is to the
- * local server; i.e. a short-circuit Connection. Safe to use going to local
or remote server.
- */
- private ClusterConnection createClusterConnection() throws IOException {
+ private Configuration unsetClientZookeeperQuorum() {
Configuration conf = this.conf;
if (conf.get(HConstants.CLIENT_ZOOKEEPER_QUORUM) != null) {
// Use server ZK cluster for server-issued connections, so we clone
@@ -795,11 +797,20 @@ public class HRegionServer extends HasThread implements
conf = new Configuration(this.conf);
conf.unset(HConstants.CLIENT_ZOOKEEPER_QUORUM);
}
+ return conf;
+ }
+
+ /**
+ * Create a 'smarter' Connection, one that is capable of by-passing RPC if
the request is to the
+ * local server; i.e. a short-circuit Connection. Safe to use going to local
or remote server.
+ */
+ private ClusterConnection createClusterConnection() throws IOException {
// Create a cluster connection that when appropriate, can short-circuit
and go directly to the
// local server if the request is to the local server bypassing RPC. Can
be used for both local
// and remote invocations.
- ClusterConnection conn =
ConnectionUtils.createShortCircuitConnection(conf, null,
- userProvider.getCurrent(), serverName, rpcServices, rpcServices);
+ ClusterConnection conn =
+
ConnectionUtils.createShortCircuitConnection(unsetClientZookeeperQuorum(), null,
+ userProvider.getCurrent(), serverName, rpcServices, rpcServices);
// This is used to initialize the batch thread pool inside the connection
implementation.
// When deploy a fresh cluster, we may first use the cluster connection in
InitMetaProcedure,
// which will be executed inside the PEWorker, and then the batch thread
pool will inherit the
@@ -833,9 +844,12 @@ public class HRegionServer extends HasThread implements
/**
* Setup our cluster connection if not already initialized.
*/
- protected synchronized void setupClusterConnection() throws IOException {
+ protected final synchronized void setupClusterConnection() throws
IOException {
if (clusterConnection == null) {
clusterConnection = createClusterConnection();
+ asyncClusterConnection =
+
ClusterConnectionFactory.createAsyncClusterConnection(unsetClientZookeeperQuorum(),
+ new InetSocketAddress(this.rpcServices.isa.getAddress(), 0),
userProvider.getCurrent());
}
}
@@ -849,8 +863,7 @@ public class HRegionServer extends HasThread implements
initializeZooKeeper();
setupClusterConnection();
// Setup RPC client for master communication
- this.rpcClient = RpcClientFactory.createClient(conf, clusterId, new
InetSocketAddress(
- this.rpcServices.isa.getAddress(), 0),
clusterConnection.getConnectionMetrics());
+ this.rpcClient = asyncClusterConnection.getRpcClient();
} catch (Throwable t) {
// Call stop if error or process will stick around for ever since server
// puts up non-daemon threads.
@@ -1114,7 +1127,15 @@ public class HRegionServer extends HasThread implements
LOG.warn("Attempt to close server's short circuit ClusterConnection
failed.", e);
}
}
-
+ if (this.asyncClusterConnection != null) {
+ try {
+ this.asyncClusterConnection.close();
+ } catch (IOException e) {
+ // Although the {@link Closeable} interface throws an {@link
+ // IOException}, in reality, the implementation would never do that.
+ LOG.warn("Attempt to close server's AsyncClusterConnection failed.",
e);
+ }
+ }
// Closing the compactSplit thread before closing meta regions
if (!this.killed && containsMetaTableRegions()) {
if (!abortRequested || this.fsOk) {
@@ -3747,9 +3768,9 @@ public class HRegionServer extends HasThread implements
}
@Override
- public EntityLock regionLock(List<RegionInfo> regionInfos, String
description,
- Abortable abort) throws IOException {
- return new LockServiceClient(conf, lockStub,
clusterConnection.getNonceGenerator())
+ public EntityLock regionLock(List<RegionInfo> regionInfos, String
description, Abortable abort)
+ throws IOException {
+ return new LockServiceClient(conf, lockStub,
asyncClusterConnection.getNonceGenerator())
.regionLock(regionInfos, description, abort);
}
@@ -3854,4 +3875,9 @@ public class HRegionServer extends HasThread implements
System.exit(1);
}
}
+
+ @Override
+ public AsyncClusterConnection getAsyncClusterConnection() {
+ return asyncClusterConnection;
+ }
}
diff --git
a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSyncUp.java
b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSyncUp.java
index c7bccb3..7d1245c 100644
---
a/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSyncUp.java
+++
b/hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSyncUp.java
@@ -29,6 +29,7 @@ import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.Server;
import org.apache.hadoop.hbase.ServerName;
+import org.apache.hadoop.hbase.client.AsyncClusterConnection;
import org.apache.hadoop.hbase.client.ClusterConnection;
import org.apache.hadoop.hbase.client.Connection;
import org.apache.hadoop.hbase.util.FSUtils;
@@ -180,5 +181,10 @@ public class ReplicationSyncUp extends Configured
implements Tool {
public Connection createConnection(Configuration conf) throws IOException {
return null;
}
+
+ @Override
+ public AsyncClusterConnection getAsyncClusterConnection() {
+ return null;
+ }
}
}
diff --git
a/hbase-server/src/test/java/org/apache/hadoop/hbase/MockRegionServerServices.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/MockRegionServerServices.java
index 0e4f241..5205960 100644
---
a/hbase-server/src/test/java/org/apache/hadoop/hbase/MockRegionServerServices.java
+++
b/hbase-server/src/test/java/org/apache/hadoop/hbase/MockRegionServerServices.java
@@ -31,6 +31,7 @@ import java.util.concurrent.ConcurrentSkipListMap;
import java.util.concurrent.atomic.AtomicBoolean;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.hbase.client.AsyncClusterConnection;
import org.apache.hadoop.hbase.client.ClusterConnection;
import org.apache.hadoop.hbase.client.Connection;
import org.apache.hadoop.hbase.client.RegionInfo;
@@ -368,4 +369,8 @@ public class MockRegionServerServices implements
RegionServerServices {
public Optional<MobFileCache> getMobFileCache() {
return Optional.empty();
}
+
+ public AsyncClusterConnection getAsyncClusterConnection() {
+ return null;
+ }
}
diff --git
a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncNonMetaRegionLocator.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncNonMetaRegionLocator.java
index eeaf99f..550a6f3 100644
---
a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncNonMetaRegionLocator.java
+++
b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncNonMetaRegionLocator.java
@@ -81,7 +81,7 @@ public class TestAsyncNonMetaRegionLocator {
TEST_UTIL.getAdmin().balancerSwitch(false, true);
AsyncRegistry registry =
AsyncRegistryFactory.getRegistry(TEST_UTIL.getConfiguration());
CONN = new AsyncConnectionImpl(TEST_UTIL.getConfiguration(), registry,
- registry.getClusterId().get(), User.getCurrent());
+ registry.getClusterId().get(), null, User.getCurrent());
LOCATOR = new AsyncNonMetaRegionLocator(CONN);
SPLIT_KEYS = new byte[8][];
for (int i = 111; i < 999; i += 111) {
diff --git
a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncNonMetaRegionLocatorConcurrenyLimit.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncNonMetaRegionLocatorConcurrenyLimit.java
index 8cdb4a9..7e06218 100644
---
a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncNonMetaRegionLocatorConcurrenyLimit.java
+++
b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncNonMetaRegionLocatorConcurrenyLimit.java
@@ -125,7 +125,7 @@ public class TestAsyncNonMetaRegionLocatorConcurrenyLimit {
TEST_UTIL.getAdmin().balancerSwitch(false, true);
AsyncRegistry registry =
AsyncRegistryFactory.getRegistry(TEST_UTIL.getConfiguration());
CONN = new AsyncConnectionImpl(TEST_UTIL.getConfiguration(), registry,
- registry.getClusterId().get(), User.getCurrent());
+ registry.getClusterId().get(), null, User.getCurrent());
LOCATOR = new AsyncNonMetaRegionLocator(CONN);
SPLIT_KEYS = IntStream.range(1, 256).mapToObj(i ->
Bytes.toBytes(String.format("%02x", i)))
.toArray(byte[][]::new);
diff --git
a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncRegionLocator.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncRegionLocator.java
index 0b51ce8..c6b1e75 100644
---
a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncRegionLocator.java
+++
b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncRegionLocator.java
@@ -99,7 +99,7 @@ public class TestAsyncRegionLocator {
TEST_UTIL.waitTableAvailable(TABLE_NAME);
AsyncRegistry registry =
AsyncRegistryFactory.getRegistry(TEST_UTIL.getConfiguration());
CONN = new AsyncConnectionImpl(TEST_UTIL.getConfiguration(), registry,
- registry.getClusterId().get(), User.getCurrent());
+ registry.getClusterId().get(), null, User.getCurrent());
LOCATOR = CONN.getLocator();
}
diff --git
a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncSingleRequestRpcRetryingCaller.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncSingleRequestRpcRetryingCaller.java
index 7d8956b..29dcd56 100644
---
a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncSingleRequestRpcRetryingCaller.java
+++
b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncSingleRequestRpcRetryingCaller.java
@@ -73,7 +73,7 @@ public class TestAsyncSingleRequestRpcRetryingCaller {
TEST_UTIL.waitTableAvailable(TABLE_NAME);
AsyncRegistry registry =
AsyncRegistryFactory.getRegistry(TEST_UTIL.getConfiguration());
CONN = new AsyncConnectionImpl(TEST_UTIL.getConfiguration(), registry,
- registry.getClusterId().get(), User.getCurrent());
+ registry.getClusterId().get(), null, User.getCurrent());
}
@AfterClass
@@ -164,7 +164,7 @@ public class TestAsyncSingleRequestRpcRetryingCaller {
}
};
try (AsyncConnectionImpl mockedConn = new
AsyncConnectionImpl(CONN.getConfiguration(),
- CONN.registry, CONN.registry.getClusterId().get(), User.getCurrent()) {
+ CONN.registry, CONN.registry.getClusterId().get(), null,
User.getCurrent()) {
@Override
AsyncRegionLocator getLocator() {
diff --git
a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncTableNoncedRetry.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncTableNoncedRetry.java
index 3008561..e1e55f5 100644
---
a/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncTableNoncedRetry.java
+++
b/hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestAsyncTableNoncedRetry.java
@@ -85,7 +85,7 @@ public class TestAsyncTableNoncedRetry {
TEST_UTIL.waitTableAvailable(TABLE_NAME);
AsyncRegistry registry =
AsyncRegistryFactory.getRegistry(TEST_UTIL.getConfiguration());
ASYNC_CONN = new AsyncConnectionImpl(TEST_UTIL.getConfiguration(),
registry,
- registry.getClusterId().get(), User.getCurrent()) {
+ registry.getClusterId().get(), null, User.getCurrent()) {
@Override
public NonceGenerator getNonceGenerator() {
diff --git
a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/MockNoopMasterServices.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/MockNoopMasterServices.java
index 9c55f57..3ebad66 100644
---
a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/MockNoopMasterServices.java
+++
b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/MockNoopMasterServices.java
@@ -29,6 +29,7 @@ import org.apache.hadoop.hbase.CoordinatedStateManager;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.TableDescriptors;
import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.AsyncClusterConnection;
import org.apache.hadoop.hbase.client.ClusterConnection;
import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;
import org.apache.hadoop.hbase.client.Connection;
@@ -473,4 +474,9 @@ public class MockNoopMasterServices implements
MasterServices {
public SyncReplicationReplayWALManager getSyncReplicationReplayWALManager() {
return null;
}
+
+ @Override
+ public AsyncClusterConnection getAsyncClusterConnection() {
+ return null;
+ }
}
\ No newline at end of file
diff --git
a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/MockRegionServer.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/MockRegionServer.java
index a930d7f..73d53c7 100644
---
a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/MockRegionServer.java
+++
b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/MockRegionServer.java
@@ -41,6 +41,7 @@ import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.TableDescriptors;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.ZooKeeperConnectionException;
+import org.apache.hadoop.hbase.client.AsyncClusterConnection;
import org.apache.hadoop.hbase.client.ClusterConnection;
import org.apache.hadoop.hbase.client.Connection;
import org.apache.hadoop.hbase.client.RegionInfo;
@@ -721,4 +722,8 @@ class MockRegionServer implements
AdminProtos.AdminService.BlockingInterface,
public Optional<MobFileCache> getMobFileCache() {
return Optional.empty();
}
+
+ public AsyncClusterConnection getAsyncClusterConnection() {
+ return null;
+ }
}
diff --git
a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestActiveMasterManager.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestActiveMasterManager.java
index 2300f54..77667a7 100644
---
a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestActiveMasterManager.java
+++
b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestActiveMasterManager.java
@@ -31,6 +31,7 @@ import org.apache.hadoop.hbase.HBaseClassTestRule;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.Server;
import org.apache.hadoop.hbase.ServerName;
+import org.apache.hadoop.hbase.client.AsyncClusterConnection;
import org.apache.hadoop.hbase.client.ClusterConnection;
import org.apache.hadoop.hbase.client.Connection;
import org.apache.hadoop.hbase.monitoring.MonitoredTask;
@@ -349,5 +350,10 @@ public class TestActiveMasterManager {
public Connection createConnection(Configuration conf) throws IOException {
return null;
}
+
+ @Override
+ public AsyncClusterConnection getAsyncClusterConnection() {
+ return null;
+ }
}
}
diff --git
a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/cleaner/TestHFileCleaner.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/cleaner/TestHFileCleaner.java
index 5c8db3e..c5fad32 100644
---
a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/cleaner/TestHFileCleaner.java
+++
b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/cleaner/TestHFileCleaner.java
@@ -36,6 +36,7 @@ import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.Server;
import org.apache.hadoop.hbase.ServerName;
+import org.apache.hadoop.hbase.client.AsyncClusterConnection;
import org.apache.hadoop.hbase.client.ClusterConnection;
import org.apache.hadoop.hbase.client.Connection;
import org.apache.hadoop.hbase.testclassification.MasterTests;
@@ -279,6 +280,11 @@ public class TestHFileCleaner {
public Connection createConnection(Configuration conf) throws IOException {
return null;
}
+
+ @Override
+ public AsyncClusterConnection getAsyncClusterConnection() {
+ return null;
+ }
}
@Test
diff --git
a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/cleaner/TestHFileLinkCleaner.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/cleaner/TestHFileLinkCleaner.java
index 119194b..fd11ff8 100644
---
a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/cleaner/TestHFileLinkCleaner.java
+++
b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/cleaner/TestHFileLinkCleaner.java
@@ -34,6 +34,7 @@ import org.apache.hadoop.hbase.HRegionInfo;
import org.apache.hadoop.hbase.Server;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.AsyncClusterConnection;
import org.apache.hadoop.hbase.client.ClusterConnection;
import org.apache.hadoop.hbase.client.Connection;
import org.apache.hadoop.hbase.io.HFileLink;
@@ -213,5 +214,10 @@ public class TestHFileLinkCleaner {
public Connection createConnection(Configuration conf) throws IOException {
return null;
}
+
+ @Override
+ public AsyncClusterConnection getAsyncClusterConnection() {
+ return null;
+ }
}
}
diff --git
a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/cleaner/TestLogsCleaner.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/cleaner/TestLogsCleaner.java
index 4d254a0..6a5fe9c 100644
---
a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/cleaner/TestLogsCleaner.java
+++
b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/cleaner/TestLogsCleaner.java
@@ -50,6 +50,7 @@ import org.apache.hadoop.hbase.Server;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.Waiter;
import org.apache.hadoop.hbase.ZooKeeperConnectionException;
+import org.apache.hadoop.hbase.client.AsyncClusterConnection;
import org.apache.hadoop.hbase.client.ClusterConnection;
import org.apache.hadoop.hbase.client.Connection;
import org.apache.hadoop.hbase.master.HMaster;
@@ -411,6 +412,11 @@ public class TestLogsCleaner {
public Connection createConnection(Configuration conf) throws IOException {
return null;
}
+
+ @Override
+ public AsyncClusterConnection getAsyncClusterConnection() {
+ return null;
+ }
}
static class FaultyZooKeeperWatcher extends ZKWatcher {
diff --git
a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/cleaner/TestReplicationHFileCleaner.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/cleaner/TestReplicationHFileCleaner.java
index d162bf3..9791643 100644
---
a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/cleaner/TestReplicationHFileCleaner.java
+++
b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/cleaner/TestReplicationHFileCleaner.java
@@ -41,6 +41,7 @@ import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.Server;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.ZooKeeperConnectionException;
+import org.apache.hadoop.hbase.client.AsyncClusterConnection;
import org.apache.hadoop.hbase.client.ClusterConnection;
import org.apache.hadoop.hbase.client.Connection;
import org.apache.hadoop.hbase.master.HMaster;
@@ -303,6 +304,11 @@ public class TestReplicationHFileCleaner {
public Connection createConnection(Configuration conf) throws IOException {
return null;
}
+
+ @Override
+ public AsyncClusterConnection getAsyncClusterConnection() {
+ return null;
+ }
}
static class FaultyZooKeeperWatcher extends ZKWatcher {
diff --git
a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHeapMemoryManager.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHeapMemoryManager.java
index 8c9ce75..4a359e4 100644
---
a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHeapMemoryManager.java
+++
b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHeapMemoryManager.java
@@ -36,6 +36,7 @@ import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.Server;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.Waiter;
+import org.apache.hadoop.hbase.client.AsyncClusterConnection;
import org.apache.hadoop.hbase.client.ClusterConnection;
import org.apache.hadoop.hbase.client.Connection;
import org.apache.hadoop.hbase.io.hfile.BlockCache;
@@ -862,6 +863,11 @@ public class TestHeapMemoryManager {
public Connection createConnection(Configuration conf) throws IOException {
return null;
}
+
+ @Override
+ public AsyncClusterConnection getAsyncClusterConnection() {
+ return null;
+ }
}
static class CustomHeapMemoryTuner implements HeapMemoryTuner {
diff --git
a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestSplitLogWorker.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestSplitLogWorker.java
index 14dc619..43da846 100644
---
a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestSplitLogWorker.java
+++
b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestSplitLogWorker.java
@@ -42,6 +42,7 @@ import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.SplitLogCounters;
import org.apache.hadoop.hbase.SplitLogTask;
import org.apache.hadoop.hbase.Waiter;
+import org.apache.hadoop.hbase.client.AsyncClusterConnection;
import org.apache.hadoop.hbase.client.ClusterConnection;
import org.apache.hadoop.hbase.client.Connection;
import org.apache.hadoop.hbase.coordination.ZkCoordinatedStateManager;
@@ -160,6 +161,11 @@ public class TestSplitLogWorker {
public Connection createConnection(Configuration conf) throws IOException {
return null;
}
+
+ @Override
+ public AsyncClusterConnection getAsyncClusterConnection() {
+ return null;
+ }
}
private void waitForCounter(LongAdder ctr, long oldval, long newval, long
timems)
diff --git
a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestWALLockup.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestWALLockup.java
index 0e20252..9e9d1d6 100644
---
a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestWALLockup.java
+++
b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestWALLockup.java
@@ -36,6 +36,7 @@ import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.Server;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.client.AsyncClusterConnection;
import org.apache.hadoop.hbase.client.ClusterConnection;
import org.apache.hadoop.hbase.client.Connection;
import org.apache.hadoop.hbase.client.Durability;
@@ -523,6 +524,11 @@ public class TestWALLockup {
public Connection createConnection(Configuration conf) throws IOException {
return null;
}
+
+ @Override
+ public AsyncClusterConnection getAsyncClusterConnection() {
+ return null;
+ }
}
static class DummyWALActionsListener implements WALActionsListener {
diff --git
a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationTrackerZKImpl.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationTrackerZKImpl.java
index 863d558..62ab265 100644
---
a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationTrackerZKImpl.java
+++
b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestReplicationTrackerZKImpl.java
@@ -32,6 +32,7 @@ import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.Server;
import org.apache.hadoop.hbase.ServerName;
+import org.apache.hadoop.hbase.client.AsyncClusterConnection;
import org.apache.hadoop.hbase.client.ClusterConnection;
import org.apache.hadoop.hbase.client.Connection;
import org.apache.hadoop.hbase.testclassification.MediumTests;
@@ -263,5 +264,10 @@ public class TestReplicationTrackerZKImpl {
public Connection createConnection(Configuration conf) throws IOException {
return null;
}
+
+ @Override
+ public AsyncClusterConnection getAsyncClusterConnection() {
+ return null;
+ }
}
}
diff --git
a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestReplicationSourceManager.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestReplicationSourceManager.java
index 86bbb09..427f319 100644
---
a/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestReplicationSourceManager.java
+++
b/hbase-server/src/test/java/org/apache/hadoop/hbase/replication/regionserver/TestReplicationSourceManager.java
@@ -57,6 +57,7 @@ import org.apache.hadoop.hbase.Server;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.Waiter;
+import org.apache.hadoop.hbase.client.AsyncClusterConnection;
import org.apache.hadoop.hbase.client.ClusterConnection;
import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;
import org.apache.hadoop.hbase.client.Connection;
@@ -906,5 +907,10 @@ public abstract class TestReplicationSourceManager {
public Connection createConnection(Configuration conf) throws IOException {
return null;
}
+
+ @Override
+ public AsyncClusterConnection getAsyncClusterConnection() {
+ return null;
+ }
}
}
diff --git
a/hbase-server/src/test/java/org/apache/hadoop/hbase/security/token/TestTokenAuthentication.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/security/token/TestTokenAuthentication.java
index e4780f1..92c8e54 100644
---
a/hbase-server/src/test/java/org/apache/hadoop/hbase/security/token/TestTokenAuthentication.java
+++
b/hbase-server/src/test/java/org/apache/hadoop/hbase/security/token/TestTokenAuthentication.java
@@ -44,6 +44,7 @@ import org.apache.hadoop.hbase.HBaseClassTestRule;
import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.Server;
import org.apache.hadoop.hbase.ServerName;
+import org.apache.hadoop.hbase.client.AsyncClusterConnection;
import org.apache.hadoop.hbase.client.ClusterConnection;
import org.apache.hadoop.hbase.client.Connection;
import org.apache.hadoop.hbase.client.ConnectionFactory;
@@ -363,6 +364,11 @@ public class TestTokenAuthentication {
public Connection createConnection(Configuration conf) throws IOException {
return null;
}
+
+ @Override
+ public AsyncClusterConnection getAsyncClusterConnection() {
+ return null;
+ }
}
@Parameters(name = "{index}: rpcServerImpl={0}")
diff --git
a/hbase-server/src/test/java/org/apache/hadoop/hbase/util/MockServer.java
b/hbase-server/src/test/java/org/apache/hadoop/hbase/util/MockServer.java
index c25db01..13212d2 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/util/MockServer.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/util/MockServer.java
@@ -26,6 +26,7 @@ import org.apache.hadoop.hbase.HBaseTestingUtility;
import org.apache.hadoop.hbase.Server;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.ZooKeeperConnectionException;
+import org.apache.hadoop.hbase.client.AsyncClusterConnection;
import org.apache.hadoop.hbase.client.ClusterConnection;
import org.apache.hadoop.hbase.client.Connection;
import org.apache.hadoop.hbase.log.HBaseMarkers;
@@ -143,4 +144,9 @@ public class MockServer implements Server {
public Connection createConnection(Configuration conf) throws IOException {
return null;
}
+
+ @Override
+ public AsyncClusterConnection getAsyncClusterConnection() {
+ return null;
+ }
}
