8064909: FragmentMetaspace.java got OutOfMemoryError
Increased heap size to prevent "java.lang.OutOfMemoryError: Java heap space" exception
Reviewed-by: jmasa, dfazunen, jwilhelm
diff --git a/hotspot/test/runtime/Metaspace/FragmentMetaspace.java b/hotspot/test/runtime/Metaspace/FragmentMetaspace.java
index 5e1a720..f44bce8 100644
--- a/hotspot/test/runtime/Metaspace/FragmentMetaspace.java
+++ b/hotspot/test/runtime/Metaspace/FragmentMetaspace.java
@@ -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 @@
*/
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);
}
}
