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8078221: java/rmi/Naming/DefaultRegistryPort.java fails intermittently

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Reviewed-by: rriggs
This commit is contained in:
Hamlin Li 2018-04-13 09:06:37 +08:00
parent f5a681373f
commit 0ee5e92ddd
1 changed files with 28 additions and 61 deletions
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89
test/jdk/java/rmi/Naming/DefaultRegistryPort.java
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@ -1,5 +1,5 @@
/* /*
* Copyright (c) 1999, 2016, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 1999, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* *
* This code is free software; you can redistribute it and/or modify it * This code is free software; you can redistribute it and/or modify it
@ -39,10 +39,7 @@
/* /*
* Ensure that the default registry port for java.rmi.Naming URLs * Ensure that the default registry port for java.rmi.Naming URLs
* is 1099. Test creates a registry on port 1099 and then does a * is 1099. Test creates a registry on port 1099 and then does a
* lookup with a Naming URL that uses the default port. Test fails * lookup with a Naming URL that uses the default port.
* if the lookup yields a NotBoundException. If the registry could
* not be created, a fallback strategy of using an existing one is
* tried.
*/ */
import java.rmi.Naming; import java.rmi.Naming;
@ -52,67 +49,37 @@ import java.rmi.registry.Registry;
public class DefaultRegistryPort { public class DefaultRegistryPort {
public static void main(String args[]) { public static void main(String args[]) throws Exception {
Registry registry = null; Registry registry = null;
try { System.err.println("Starting registry on default port REGISTRY_PORT="
+ Registry.REGISTRY_PORT);
System.err.println( final int NUM = 10;
"Starting registry on default port REGISTRY_PORT=" + for (int loop = 0; loop < NUM; loop++) {
Registry.REGISTRY_PORT); System.err.println("in loop: " + loop);
registry = LocateRegistry.createRegistry(Registry.REGISTRY_PORT);
System.err.println("Created registry=" + registry);
} catch(java.rmi.RemoteException e) {
try { try {
registry = LocateRegistry.createRegistry(Registry.REGISTRY_PORT);
System.err.println( System.err.println("Created registry=" + registry);
"Failed to create a registry, try using existing one"); break;
registry = LocateRegistry.getRegistry(); } catch(java.rmi.RemoteException e) {
String err = e.getMessage();
System.err.println("Found registry=" + registry); if (err.contains("Address already in use")
|| err.contains("Port already in use")) {
} catch (Exception ge) { try {
Thread.sleep((long)(TestLibrary.getTimeoutFactor() * 100));
TestLibrary.bomb( } catch (InterruptedException ignore) { }
"Test Failed: cound not find or create a registry"); continue;
}
TestLibrary.bomb(e);
} }
}
} if (registry == null) {
throw new RuntimeException("can not create registry at "
try { + Registry.REGISTRY_PORT + " after trying " + NUM + "times");
if (registry != null) {
registry.rebind("myself", registry);
Remote myself = Naming.lookup("rmi://localhost/myself");
System.err.println("Test PASSED");
} else {
TestLibrary.bomb(
"Test Failed: cound not find or create a registry");
}
} catch(java.rmi.NotBoundException e) {
TestLibrary.bomb(
"Test Failed: could not find myself");
} catch(Exception e) {
e.printStackTrace();
TestLibrary.bomb(
"Test failed: unexpected exception");
} }
registry.rebind("myself", registry);
Remote myself = Naming.lookup("rmi://localhost/myself");
System.err.println("Test PASSED");
} }
} }