Agent communication error: java.io.EOFException; check console log for any additional details

#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00007f6bed3b69c3, pid=21797, tid=21814
#
# JRE version: Java(TM) SE Runtime Environment (12.0) (build 12-internal+0-jdk12-jdk.1011)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (12-internal+0-jdk12-jdk.1011, mixed mode, tiered, compressed oops, g1 gc, linux-amd64)
# Problematic frame:
# V [libjvm.so+0x6769c3] nmethodBucket::next_not_unloading()+0x33
#
# Core dump will be written. Default location: /scratch/opt/mach5/mesos/work_dir/slaves/2dd962d0-8988-479b-a804-57ab764ada59-S1537/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/9ab6159d-55fe-4756-ba3a-3ddeb769c69e/runs/a3fc498e-e9b2-4673-837f-f1511fa4cf70/testOutput/test-support/jtreg_open_test_jdk_tier1_part2/scratch/0/core.21797
#
# If you would like to submit a bug report, please visit:
# http://bugreport.java.com/bugreport/crash.jsp
#