ADDITIONAL SYSTEM INFORMATION :
openjdk version "10.0.2" 2018-07-17
OpenJDK Runtime Environment 18.3 (build 10.0.2+13)
OpenJDK 64-Bit Server VM 18.3 (build 10.0.2+13, mixed mode)

3.10.0-693.5.2.el7.x86_64 #1 SMP Fri Oct 20 20:32:50 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

A DESCRIPTION OF THE PROBLEM :
The only non-daemon thread on the java side is :
"DestroyJavaVM" #1676 prio=5 os_prio=0 tid=0x0000000005495800 nid=0x27865 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE

And here is it's gstack:

#0 0x00007fb21cf98945 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x00007fb21bf94a1b in os::PlatformEvent::park() () from /d/sw/java64/jdk-10.0.2/lib/server/libjvm.so
#2 0x00007fb21bf50d8f in Monitor::IWait(Thread*, long) () from /d/sw/java64/jdk-10.0.2/lib/server/libjvm.so
#3 0x00007fb21bf51bee in Monitor::wait(bool, long, bool) () from /d/sw/java64/jdk-10.0.2/lib/server/libjvm.so
#4 0x00007fb21ba8ffbf in ConcurrentGCThread::stop() () from /d/sw/java64/jdk-10.0.2/lib/server/libjvm.so
#5 0x00007fb21bba24e1 in G1ConcurrentRefine::stop() () from /d/sw/java64/jdk-10.0.2/lib/server/libjvm.so
#6 0x00007fb21bb84c48 in G1CollectedHeap::stop() () from /d/sw/java64/jdk-10.0.2/lib/server/libjvm.so
#7 0x00007fb21bca2b82 in before_exit(JavaThread*) () from /d/sw/java64/jdk-10.0.2/lib/server/libjvm.so
#8 0x00007fb21c10da40 in Threads::destroy_vm() () from /d/sw/java64/jdk-10.0.2/lib/server/libjvm.so
#9 0x00007fb21bccc608 in jni_DestroyJavaVM () from /d/sw/java64/jdk-10.0.2/lib/server/libjvm.so
#10 0x00007fb21cd81c5b in JavaMain () from /d/sw/java64/jdk-10.0.2/bin/../lib/jli/libjli.so
#11 0x00007fb21cf94e25 in start_thread () from /lib64/libpthread.so.0
#12 0x00007fb21c8af34d in clone () from /lib64/libc.so.6


FREQUENCY : rarely