Thread 288 (Thread 0x7f3738352700 (LWP 42687)):
#0  0x00007f3736cb92ba in InstanceKlass::oop_follow_contents(ParCompactionManager*, oopDesc*) () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#1  0x00007f3736fe5612 in ParCompactionManager::follow_marking_stacks() () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#2  0x00007f3736fcb325 in StealMarkingTask::do_it(GCTaskManager*, unsigned int) () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#3  0x00007f3736c3dfef in GCTaskThread::run() () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#4  0x00007f3736f8fa28 in java_start(Thread*) () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#5  0x00007f3735122e25 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f3734e5034d in clone () from /lib64/libc.so.6
Thread 287 (Thread 0x7f2f19d53700 (LWP 42688)):
#0  0x00007f3736f6b8c1 in ObjArrayKlass::oop_follow_contents(ParCompactionManager*, oopDesc*) () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#1  0x00007f3736fe5612 in ParCompactionManager::follow_marking_stacks() () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#2  0x00007f3736fcb325 in StealMarkingTask::do_it(GCTaskManager*, unsigned int) () from /usr/java/default/jre/lib/amd64/server/libjvm.so
--
Thread 286 (Thread 0x7f2f19c52700 (LWP 42689)):
#0  0x00007f3736f6b8c1 in ObjArrayKlass::oop_follow_contents(ParCompactionManager*, oopDesc*) () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#1  0x00007f3736fe5612 in ParCompactionManager::follow_marking_stacks() () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#2  0x00007f3736fcb325 in StealMarkingTask::do_it(GCTaskManager*, unsigned int) () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#3  0x00007f3736c3dfef in GCTaskThread::run() () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#4  0x00007f3736f8fa28 in java_start(Thread*) () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#5  0x00007f3735122e25 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f3734e5034d in clone () from /lib64/libc.so.6
Thread 285 (Thread 0x7f2f19b51700 (LWP 42690)):
#0  0x00007f3736cb92b3 in InstanceKlass::oop_follow_contents(ParCompactionManager*, oopDesc*) () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#1  0x00007f3736fe5612 in ParCompactionManager::follow_marking_stacks() () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#2  0x00007f3736fcb365 in StealMarkingTask::do_it(GCTaskManager*, unsigned int) () from /usr/java/default/jre/lib/amd64/server/libjvm.so
--
Thread 284 (Thread 0x7f2f19a50700 (LWP 42691)):
#0  0x00007f3736cb932c in InstanceKlass::oop_follow_contents(ParCompactionManager*, oopDesc*) () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#1  0x00007f3736fe5612 in ParCompactionManager::follow_marking_stacks() () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#2  0x00007f3736fcb325 in StealMarkingTask::do_it(GCTaskManager*, unsigned int) () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#3  0x00007f3736c3dfef in GCTaskThread::run() () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#4  0x00007f3736f8fa28 in java_start(Thread*) () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#5  0x00007f3735122e25 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f3734e5034d in clone () from /lib64/libc.so.6
Thread 283 (Thread 0x7f2f1994f700 (LWP 42692)):
#0  0x00007f3736fedd38 in ParallelCompactData::add_obj(HeapWord*, unsigned long) () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#1  0x00007f3736cb92fd in InstanceKlass::oop_follow_contents(ParCompactionManager*, oopDesc*) () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#2  0x00007f3736fe5612 in ParCompactionManager::follow_marking_stacks() () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#3  0x00007f3736fcb325 in StealMarkingTask::do_it(GCTaskManager*, unsigned int) () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#4  0x00007f3736c3dfef in GCTaskThread::run() () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#5  0x00007f3736f8fa28 in java_start(Thread*) () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#6  0x00007f3735122e25 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f3734e5034d in clone () from /lib64/libc.so.6
Thread 282 (Thread 0x7f2f1984e700 (LWP 42693)):
#0  0x00007f3736fa7736 in ParMarkBitMap::mark_obj(HeapWord*, unsigned long) () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#1  0x00007f3736cb92e3 in InstanceKlass::oop_follow_contents(ParCompactionManager*, oopDesc*) () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#2  0x00007f3736fe5612 in ParCompactionManager::follow_marking_stacks() () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#3  0x00007f3736fcb365 in StealMarkingTask::do_it(GCTaskManager*, unsigned int) () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#4  0x00007f3736c3dfef in GCTaskThread::run() () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#5  0x00007f3736f8fa28 in java_start(Thread*) () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#6  0x00007f3735122e25 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f3734e5034d in clone () from /lib64/libc.so.6
Thread 281 (Thread 0x7f2f1974d700 (LWP 42694)):
#0  0x00007f3736fe55a4 in ParCompactionManager::follow_marking_stacks() () from /usr/java/default/jre/lib/amd64/server/libjvm.so
#1  0x00007f3736fcb325 in StealMarkingTask::do_it(GCTaskManager*, unsigned int) () from /usr/java/default/jre/lib/amd64/server/libjvm.so