HADOOP-6132. RPC client create an extra connection because of incorrect
key for connection cache. (Kan Zhang via rangadi) git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@797248 13f79535-47bb-0310-9956-ffa450edef68
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@ -888,6 +888,9 @@ Trunk (unreleased changes)
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HADOOP-6138. Eliminate the depracate warnings introduced by H-5438.
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(He Yongqiang via szetszwo)
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HADOOP-6132. RPC client create an extra connection because of incorrect
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key for connection cache. (Kan Zhang via rangadi)
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Release 0.20.1 - Unreleased
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INCOMPATIBLE CHANGES
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@ -197,13 +197,16 @@ public class RPC {
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private static ClientCache CLIENTS=new ClientCache();
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private static class Invoker implements InvocationHandler {
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private Class<? extends VersionedProtocol> protocol;
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private InetSocketAddress address;
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private UserGroupInformation ticket;
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private Client client;
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private boolean isClosed = false;
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public Invoker(InetSocketAddress address, UserGroupInformation ticket,
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Configuration conf, SocketFactory factory) {
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public Invoker(Class<? extends VersionedProtocol> protocol,
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InetSocketAddress address, UserGroupInformation ticket,
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Configuration conf, SocketFactory factory) {
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this.protocol = protocol;
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this.address = address;
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this.ticket = ticket;
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this.client = CLIENTS.getClient(conf, factory);
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@ -219,7 +222,7 @@ public class RPC {
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ObjectWritable value = (ObjectWritable)
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client.call(new Invocation(method, args), address,
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method.getDeclaringClass(), ticket);
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protocol, ticket);
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if (logDebug) {
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long callTime = System.currentTimeMillis() - startTime;
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LOG.debug("Call: " + method.getName() + " " + callTime);
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@ -283,7 +286,8 @@ public class RPC {
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}
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}
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public static VersionedProtocol waitForProxy(Class protocol,
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public static VersionedProtocol waitForProxy(
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Class<? extends VersionedProtocol> protocol,
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long clientVersion,
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InetSocketAddress addr,
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Configuration conf
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@ -301,7 +305,8 @@ public class RPC {
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* @return the proxy
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* @throws IOException if the far end through a RemoteException
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*/
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static VersionedProtocol waitForProxy(Class protocol,
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static VersionedProtocol waitForProxy(
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Class<? extends VersionedProtocol> protocol,
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long clientVersion,
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InetSocketAddress addr,
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Configuration conf,
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@ -334,7 +339,8 @@ public class RPC {
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}
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/** Construct a client-side proxy object that implements the named protocol,
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* talking to a server at the named address. */
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public static VersionedProtocol getProxy(Class<?> protocol,
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public static VersionedProtocol getProxy(
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Class<? extends VersionedProtocol> protocol,
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long clientVersion, InetSocketAddress addr, Configuration conf,
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SocketFactory factory) throws IOException {
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UserGroupInformation ugi = null;
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@ -348,14 +354,15 @@ public class RPC {
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/** Construct a client-side proxy object that implements the named protocol,
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* talking to a server at the named address. */
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public static VersionedProtocol getProxy(Class<?> protocol,
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public static VersionedProtocol getProxy(
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Class<? extends VersionedProtocol> protocol,
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long clientVersion, InetSocketAddress addr, UserGroupInformation ticket,
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Configuration conf, SocketFactory factory) throws IOException {
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VersionedProtocol proxy =
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(VersionedProtocol) Proxy.newProxyInstance(
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protocol.getClassLoader(), new Class[] { protocol },
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new Invoker(addr, ticket, conf, factory));
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new Invoker(protocol, addr, ticket, conf, factory));
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long serverVersion = proxy.getProtocolVersion(protocol.getName(),
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clientVersion);
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if (serverVersion == clientVersion) {
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@ -376,7 +383,8 @@ public class RPC {
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* @return a proxy instance
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* @throws IOException
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*/
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public static VersionedProtocol getProxy(Class<?> protocol,
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public static VersionedProtocol getProxy(
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Class<? extends VersionedProtocol> protocol,
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long clientVersion, InetSocketAddress addr, Configuration conf)
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throws IOException {
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