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HBASE-10637 rpcClient: Setup the iostreams when writing 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1574110 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
nkeywal 2014-03-04 14:33:57 +00:00
parent 50f857944e
commit ddfc421a7d
2 changed files with 21 additions and 21 deletions
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36
hbase-client/src/main/java/org/apache/hadoop/hbase/ipc/RpcClient.java
View File

@ -877,10 +877,15 @@ public class RpcClient {
}
protected synchronized void setupIOstreams() throws IOException {
if (socket != null || shouldCloseConnection.get()) {
if (socket != null) {
// The connection is already available. Perfect.
return;
}
if (shouldCloseConnection.get()){
throw new IOException("This connection is closing");
}
if (failedServers.isFailedServer(remoteId.getAddress())) {
if (LOG.isDebugEnabled()) {
LOG.debug("Not trying to connect to " + server +
@ -926,6 +931,7 @@ public class RpcClient {
}
});
} catch (Exception ex) {
ExceptionUtil.rethrowIfInterrupt(ex);
if (rand == null) {
rand = new Random();
}
@ -952,12 +958,14 @@ public class RpcClient {
return;
}
} catch (Throwable t) {
failedServers.addToFailedServers(remoteId.address);
IOException e;
if (t instanceof IOException) {
e = (IOException)t;
} else {
e = new IOException("Could not set up IO Streams", t);
IOException e = ExceptionUtil.asInterrupt(t);
if (e == null) {
failedServers.addToFailedServers(remoteId.address);
if (t instanceof IOException) {
e = (IOException) t;
} else {
e = new IOException("Could not set up IO Streams to " + server, t);
}
}
markClosed(e);
close();
@ -1064,6 +1072,8 @@ public class RpcClient {
if (priority != 0) builder.setPriority(priority);
RequestHeader header = builder.build();
setupIOstreams();
// Now we're going to write the call. We take the lock, then check that the connection
// is still valid, and, if so we do the write to the socket. If the write fails, we don't
// know where we stand, we have to close the connection.
@ -1445,8 +1455,7 @@ public class RpcClient {
Message returnType, User ticket, InetSocketAddress addr, int callTimeout, int priority)
throws IOException, InterruptedException {
Call call = new Call(md, param, cells, returnType, callTimeout);
Connection connection =
getConnection(ticket, call, addr, this.codec, this.compressor);
Connection connection = getConnection(ticket, call, addr, this.codec, this.compressor);
CallFuture cts = null;
if (connection.callSender != null){
@ -1553,15 +1562,6 @@ public class RpcClient {
}
}
//we don't invoke the method below inside "synchronized (connections)"
//block above. The reason for that is if the server happens to be slow,
//it will take longer to establish a connection and that will slow the
//entire system down.
//Moreover, if the connection is currently created, there will be many threads
// waiting here; as setupIOstreams is synchronized. If the connection fails with a
// timeout, they will all fail simultaneously. This is checked in setupIOstreams.
connection.setupIOstreams();
return connection;
}

6
hbase-common/src/main/java/org/apache/hadoop/hbase/util/ExceptionUtil.java
View File

@ -28,7 +28,7 @@ import java.nio.channels.ClosedByInterruptException;
* - InterruptedException
* - InterruptedIOException (inherits IOException); used in IO
* - ClosedByInterruptException (inherits IOException)
* , - SocketTimeoutException inherits InterruptedIOException but is not a real
* - SocketTimeoutException inherits InterruptedIOException but is not a real
* interruption, so we have to distinguish the case. This pattern is unfortunately common.
*/
public class ExceptionUtil {
@ -39,7 +39,7 @@ public class ExceptionUtil {
public static boolean isInterrupt(Throwable t) {
if (t instanceof InterruptedException) return true;
if (t instanceof SocketTimeoutException) return false;
return (t instanceof InterruptedIOException);
return (t instanceof InterruptedIOException || t instanceof ClosedByInterruptException);
}
/**
@ -58,7 +58,7 @@ public class ExceptionUtil {
if (t instanceof InterruptedIOException) return (InterruptedIOException) t;
if (t instanceof InterruptedException) {
if (t instanceof InterruptedException || t instanceof ClosedByInterruptException) {
InterruptedIOException iie = new InterruptedIOException();
iie.initCause(t);
return iie;