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8073080: TEST_BUG: sun/rmi/transport/tcp/DeadCachedConnection.java fails due to "ConnectException: Connection refused to host"

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Reviewed-by: rriggs
This commit is contained in:
Hamlin Li 2016-12-21 18:34:34 -08:00
parent 1414335f71
commit 6a35fe0f1b
2 changed files with 41 additions and 49 deletions
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2
jdk/test/java/rmi/testlibrary/RegistryRunner.java
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@ -36,7 +36,7 @@ public class RegistryRunner extends UnicastRemoteObject
implements RemoteExiter
{
private static final String PORT_LABEL_START = "RegistryRunner.port.start:";
private static final String PORT_LABEL_END = "RegistryRunner.port.end";
private static final String PORT_LABEL_END = ":RegistryRunner.port.end";
private static Registry registry = null;
private static RemoteExiter exiter = null;

88
jdk/test/sun/rmi/transport/tcp/DeadCachedConnection.java
View File

@ -29,7 +29,7 @@
* java.rmi/sun.rmi.server
* java.rmi/sun.rmi.transport
* java.rmi/sun.rmi.transport.tcp
* @build TestLibrary JavaVM
* @build TestLibrary REGISTRY RegistryRunner
* @run main/othervm DeadCachedConnection
*/
@ -60,73 +60,65 @@ import java.rmi.registry.*;
import java.rmi.server.*;
public class DeadCachedConnection {
static public final int regport = TestLibrary.getUnusedRandomPort();
static public void main(String[] argv)
throws Exception {
// establish the registry (we hope)
System.err.println ("Starting registry on port " + regport);
DeadCachedConnection.makeRegistry(regport);
// Get a handle to the registry
Registry reg = null;
System.err.println ("Locating just-started registry...");
try {
reg = LocateRegistry.getRegistry(regport);
} catch (RemoteException e) {
throw new InternalError ("Can't find registry after starting it.");
}
Registry reg = null;
int port = makeRegistry(0);
// Contact the registry by invoking something on it.
System.err.println ("Connecting to registry...");
String[] junk = reg.list();
// Get a handle to the registry
System.err.println ("Locating just-started registry...");
try {
reg = LocateRegistry.getRegistry(port);
} catch (RemoteException e) {
throw new InternalError ("Can't find registry after starting it.");
}
// Kill and restart the registry
System.err.println("Killing registry...");
DeadCachedConnection.killRegistry();
System.err.println("Restarting registry...");
DeadCachedConnection.makeRegistry(regport);
// Contact the registry by invoking something on it.
System.err.println ("Connecting to registry...");
String[] junk = reg.list();
// Try again (this is the test)
System.err.println("Trying to use registry in spite of stale cache...");
junk = reg.list();
// Kill and restart the registry
System.err.println("Killing registry...");
killRegistry();
System.err.println("Restarting registry...");
makeRegistry(port);
// we're happy
System.err.println("Test succeeded.");
try {
DeadCachedConnection.killRegistry();
} catch (Exception foo) {
// Try again (this is the test)
System.err.println("Trying to use registry in spite of stale cache...");
junk = reg.list();
System.err.println("Test succeeded.");
} catch (Exception e) {
TestLibrary.bomb(e);
} finally {
// dont leave the registry around to affect other tests.
killRegistry();
}
}
public static void makeRegistry(int p) {
// sadly, we can't kill a registry if we have too-close control
// over it. We must make it in a subprocess, and then kill the
// subprocess when it has served our needs.
public static int makeRegistry(int port) {
try {
JavaVM jvm =
new JavaVM("sun.rmi.registry.RegistryImpl", "", Integer.toString(p));
jvm.start();
DeadCachedConnection.subreg = jvm;
subreg = REGISTRY.createREGISTRY(System.out, System.err, "", port);
subreg.start();
int regPort = subreg.getPort();
System.out.println("Starting registry on port " + regPort);
return regPort;
} catch (IOException e) {
// one of these is summarily dropped, can't remember which one
System.out.println ("Test setup failed - cannot run rmiregistry");
TestLibrary.bomb("Test setup failed - cannot run test", e);
}
// Slop - wait for registry to come up. This is stupid.
try {
Thread.sleep (5000);
} catch (Exception whatever) {
}
return -1;
}
private static JavaVM subreg = null;
private static REGISTRY subreg = null;
public static void killRegistry() throws InterruptedException {
if (DeadCachedConnection.subreg != null) {
DeadCachedConnection.subreg.terminate();
if (subreg != null) {
subreg.shutdown();
subreg = null;
}
DeadCachedConnection.subreg = null;
}
}