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8217765: Internal Error (javaCalls.cpp:61) guarantee(thread->can_call_java()) failed

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Reviewed-by: rehn, redestad, coleenp
This commit is contained in:
David Holmes 2019-02-20 19:41:43 -05:00
parent 431b49663a
commit e2054e3c5d
1 changed files with 9 additions and 3 deletions
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12
src/hotspot/share/oops/instanceKlass.cpp
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@ -183,8 +183,14 @@ bool InstanceKlass::has_nest_member(InstanceKlass* k, TRAPS) const {
if (name == k->name()) {
log_trace(class, nestmates)("- Found it at nest_members[%d] => cp[%d]", i, cp_index);
// names match so check actual klass - this may trigger class loading if
// it doesn't match (but that should be impossible)
// Names match so check actual klass - this may trigger class loading if
// it doesn't match (though that should be impossible). But to be safe we
// have to check for a compiler thread executing here.
if (!THREAD->can_call_java() && !_constants->tag_at(cp_index).is_klass()) {
log_trace(class, nestmates)("- validation required resolution in an unsuitable thread");
return false;
}
Klass* k2 = _constants->klass_at(cp_index, CHECK_false);
if (k2 == k) {
log_trace(class, nestmates)("- class is listed as a nest member");
@ -296,7 +302,7 @@ InstanceKlass* InstanceKlass::nest_host(Symbol* validationException, TRAPS) {
error);
}
if (validationException != NULL) {
if (validationException != NULL && THREAD->can_call_java()) {
ResourceMark rm(THREAD);
Exceptions::fthrow(THREAD_AND_LOCATION,
validationException,