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src/hotspot/share/memory/heapShared.cpp
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@@ -390,10 +390,18 @@
int l = _level + 1;
Thread* THREAD = Thread::current();
// Archive the current oop before iterating through its references
archived = MetaspaceShared::archive_heap_object(obj, THREAD);
+ if (archived == NULL) {
+ ResourceMark rm;
+ tty->print("Failed to archive %s object ("
+ PTR_FORMAT "), size[" SIZE_FORMAT "] in sub-graph",
+ obj->klass()->external_name(), p2i(obj), (size_t)obj->size());
+ obj->print_on(tty);
+ vm_exit(1);
+ }
assert(MetaspaceShared::is_archive_object(archived), "must be archived");
log.print("=== archiving oop " PTR_FORMAT " ==> " PTR_FORMAT,
p2i(obj), p2i(archived));
// Following the references in the current oop and archive any
@@ -478,10 +486,19 @@
log.print("Start from: ");
f->print_on(out);
// get the archived copy of the field referenced object
oop af = MetaspaceShared::archive_heap_object(f, THREAD);
+ if (af == NULL) {
+ // Skip archiving the sub-graph referenced from the current entry field.
+ ResourceMark rm;
+ log_info(cds, heap)(
+ "Cannot archive the sub-graph referenced from %s object ("
+ PTR_FORMAT ") size[" SIZE_FORMAT "], skipped.",
+ f->klass()->external_name(), p2i(f), (size_t)f->size());
+ return;
+ }
if (!MetaspaceShared::is_archive_object(f)) {
WalkOopAndArchiveClosure walker(1, subgraph_info, f, af);
f->oop_iterate(&walker);
}
@@ -490,10 +507,14 @@
// information is restored from the archive at runtime.
subgraph_info->add_subgraph_entry_field(field_offset, af);
Klass *relocated_k = af->klass();
Klass *orig_k = f->klass();
subgraph_info->add_subgraph_object_klass(orig_k, relocated_k);
+ ResourceMark rm;
+ log_info(cds, heap)(
+ "Archived the sub-graph referenced from %s object " PTR_FORMAT,
+ f->klass()->external_name(), p2i(f));
} else {
// The field contains null, we still need to record the entry point,
// so it can be restored at runtime.
subgraph_info->add_subgraph_entry_field(field_offset, NULL);
}
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