JVM's are getting auto restarted and as per analysis from logs by middleware team, below mentioned

#

# A fatal error has been detected by the Java Runtime Environment:

#

#  SIGSEGV (0xb) at pc=0xffffffff7c3019d8, pid=7008, tid=0x00000000000000e6

»»»»»»»»»>Error

#

# JRE version: Java(TM) SE Runtime Environment (8.0_391) (build 1.8.0_391-b26)

# Java VM: Java HotSpot(TM) 64-Bit Server VM (25.391-b26 mixed mode solaris-sparc compressed oops)

# Problematic frame:

# C  [libc.so.1+0x2019d8]  _memcpy%sun4v-hwcap3+0x984 »»»»»»»»»>Error

#

# Core dump written. Default location: /weblogic_brnc_config12c/Oracle/Middleware/user_projects/domains/BRNTXN_domain/core or core.7008

#

# An error report file with more information is saved as:

# /weblogic_brnc_config12c/Oracle/Middleware/user_projects/domains/BRNTXN_domain/hs_err_pid7008.log