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8064909: FragmentMetaspace.java got OutOfMemoryError

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Increased heap size to prevent "java.lang.OutOfMemoryError: Java heap space" exception

Reviewed-by: jmasa, dfazunen, jwilhelm
This commit is contained in:
Michail Chernov 2014-12-10 13:58:30 +00:00 committed by Igor Ignatyev
parent b83ddbef42
commit 56db4f28c9
1 changed files with 16 additions and 7 deletions
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23
hotspot/test/runtime/Metaspace/FragmentMetaspace.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2013, 2014, 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 +25,7 @@
* @test
* @library /runtime/testlibrary
* @build GeneratedClassLoader
* @run main/othervm/timeout=200 FragmentMetaspace
* @run main/othervm/timeout=200 -Xmx300m FragmentMetaspace
*/
import java.io.IOException;
@ -38,25 +38,34 @@ import java.io.IOException;
*/
public class FragmentMetaspace {
public static Class<?> c;
public static void main(String... args) {
runGrowing(Long.valueOf(System.getProperty("time", "80000")));
runGrowing(Long.valueOf(System.getProperty("time", "80000")),
Integer.valueOf(System.getProperty("iterations", "200")));
// try to clean up and unload classes to decrease
// class verification time in debug vm
System.gc();
}
private static void runGrowing(long time) {
private static void runGrowing(long time, int iterations) {
long startTime = System.currentTimeMillis();
for (int i = 0; System.currentTimeMillis() < startTime + time; ++i) {
for (int i = 0; System.currentTimeMillis() < startTime + time && i < iterations; ++i) {
try {
GeneratedClassLoader gcl = new GeneratedClassLoader();
Class<?> c = gcl.getGeneratedClasses(i, 100)[0];
// getGeneratedClasses throws a RuntimeException in cases where
// the javac exit code is not 0. If the original reason for the exception is
// a "java.lang.OutOfMemoryError: Java heap space",
// increase the heap size in the @run tag and rerun the test.
// The heap can be exhausted by this test, but heap exhaustion
// is not a failure mode of this test and should be ignored.
c = gcl.getGeneratedClasses(i, 100)[0];
c.newInstance();
c = null;
gcl = null;
} catch (IOException|InstantiationException|IllegalAccessException ex) {
} catch (IOException | InstantiationException | IllegalAccessException ex) {
throw new RuntimeException(ex);
}
}