JDK 9 RFR of JDK-8144880: Instrument intermittently failing test ConfigChanges.java

Martin Buchholz martinrb at google.com
Mon Dec 7 22:07:59 UTC 2015


Thanks!
I'm not seeing this fail recently.

On Mon, Dec 7, 2015 at 1:39 PM, joe darcy <joe.darcy at oracle.com> wrote:
> Hello,
>
> Please review the changes to address
>
>     JDK-8144880: Instrument intermittently failing test ConfigChanges.java
>
> The test
>
>     java/util/concurrent/ThreadPoolExecutor/ConfigChanges.java
>
> fails intermittently and uses randomness. In the patch below, It is marked
> accordingly and downgraded from tier 1 to tier 2 until the problem problem
> in bug JDK-8139237 is addressed.
>
> Thanks,
>
> -Joe
>
> diff -r dc3322ef23ff test/TEST.groups
> --- a/test/TEST.groups    Mon Dec 07 12:35:37 2015 +0100
> +++ b/test/TEST.groups    Mon Dec 07 13:39:12 2015 -0800
> @@ -32,6 +32,7 @@
>      :jdk_util \
>      -java/util/WeakHashMap/GCDuringIteration.java \
>      -java/util/concurrent/Phaser/Basic.java \
> +    -java/util/concurrent/ThreadPoolExecutor/ConfigChanges.java
>      sun/nio/cs/ISO8859x.java \
>      java/nio/Buffer \
>      com/sun/crypto/provider/Cipher \
> @@ -42,6 +43,7 @@
>      java/util/zip/TestLocalTime.java \
>      java/util/concurrent/Phaser/Basic.java \
>      java/util/WeakHashMap/GCDuringIteration.java \
> +    java/util/concurrent/ThreadPoolExecutor/ConfigChanges.java \
>      :jdk_io \
>      :jdk_nio \
>      -sun/nio/cs/ISO8859x.java \
> diff -r dc3322ef23ff
> test/java/util/concurrent/ThreadPoolExecutor/ConfigChanges.java
> --- a/test/java/util/concurrent/ThreadPoolExecutor/ConfigChanges.java Mon
> Dec 07 12:35:37 2015 +0100
> +++ b/test/java/util/concurrent/ThreadPoolExecutor/ConfigChanges.java Mon
> Dec 07 13:39:12 2015 -0800
> @@ -1,5 +1,5 @@
>  /*
> - * Copyright (c) 2007, 2014, Oracle and/or its affiliates. All rights
> reserved.
> + * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights
> reserved.
>   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
>   *
>   * This code is free software; you can redistribute it and/or modify it
> @@ -25,7 +25,10 @@
>   * @test
>   * @bug 6450200
>   * @summary Test proper handling of pool state changes
> + * @library /lib/testlibrary/
> + * @build jdk.testlibrary.RandomFactory
>   * @run main/othervm ConfigChanges
> + * @key randomness intermittent
>   * @author Martin Buchholz
>   */
>
> @@ -42,11 +45,12 @@
>  import java.util.concurrent.ThreadFactory;
>  import java.util.concurrent.ThreadPoolExecutor;
>  import java.util.concurrent.atomic.AtomicInteger;
> +import jdk.testlibrary.RandomFactory;
>
>  public class ConfigChanges {
>      static final ThreadGroup tg = new ThreadGroup("pool");
>
> -    static final Random rnd = new Random();
> +    static final Random rnd = RandomFactory.getRandom();
>
>      static void report(ThreadPoolExecutor tpe) {
>          try {
>



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