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openjdk-1.8.0
_service:tar_scm:8131600.patch
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File _service:tar_scm:8131600.patch of Package openjdk-1.8.0
From e546db5e9c81fabace719417cc77154e08355005 Mon Sep 17 00:00:00 2001 Date: Fri, 22 Jan 2021 11:37:38 +0800 Subject: Backport of JDK-8131600 Summary: JVM crashes when doing heapdump and handling a signal at a same time LLT: none Bug url: https://bugs.openjdk.java.net/browse/JDK-8131600 --- hotspot/src/share/vm/prims/jvmtiTagMap.cpp | 2 +- hotspot/src/share/vm/services/heapDumper.cpp | 5 +++++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/hotspot/src/share/vm/prims/jvmtiTagMap.cpp b/hotspot/src/share/vm/prims/jvmtiTagMap.cpp index 224cd21ad..dc600d8ea 100644 --- a/hotspot/src/share/vm/prims/jvmtiTagMap.cpp +++ b/hotspot/src/share/vm/prims/jvmtiTagMap.cpp @@ -2829,7 +2829,7 @@ inline bool VM_HeapWalkOperation::iterate_over_class(oop java_class) { if (klass->oop_is_instance()) { InstanceKlass* ik = InstanceKlass::cast(klass); - // ignore the class if it's has been initialized yet + // Ignore the class if it hasn't been initialized yet if (!ik->is_linked()) { return true; } diff --git a/hotspot/src/share/vm/services/heapDumper.cpp b/hotspot/src/share/vm/services/heapDumper.cpp index e9fd8946a..24c0830c5 100644 --- a/hotspot/src/share/vm/services/heapDumper.cpp +++ b/hotspot/src/share/vm/services/heapDumper.cpp @@ -990,6 +990,11 @@ void DumperSupport::dump_class_and_array_classes(DumpWriter* writer, Klass* k) { return; } + // Ignore the class if it hasn't been initialized yet + if (!ik->is_linked()) { + return; + } + writer->write_u1(HPROF_GC_CLASS_DUMP); // class ID -- 2.19.0
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