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8152949: Jigsaw crash when Klass in _fixup_module_field_list is unloaded

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During start up anonymous classes must be kept alive until after their mirror's module field is patched with java.base

Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Reviewed-by: coleenp, hseigel
This commit is contained in:
Per Liden 2016-04-21 09:23:04 -04:00 • committed by Lois Foltan
parent 4adb7c0788
commit 48892f6f68
6 changed files with 31 additions and 6 deletions
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5
hotspot/src/share/vm/classfile/modules.cpp
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@ -277,6 +277,11 @@ static void define_javabase_module(jobject module, jstring version,
{
MutexLocker m1(Module_lock, THREAD);
if (ModuleEntryTable::javabase_defined()) {
THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
"Module java.base is already defined");
}
// Verify that all java.base packages created during bootstrapping are in
// pkg_list. If any are not in pkg_list, than a non-java.base class was
// loaded erroneously pre java.base module definition.