有这样的信息，这是什么意思？
A fatal error has been detected by the Java Runtime Environment:
SIGSEGV (0xb) at pc=0x00007f309d0693fa, pid=3899, tid=0x00007f3058ab1700
JRE version: OpenJDK Runtime Environment (8.0_76-b198) (build 1.8.0_76-release-b198)
Java VM: OpenJDK 64-Bit Server VM (25.76-b198 mixed mode linux-amd64 compressed oops)
Problematic frame:
v ~BufferBlob::jni_fast_GetLongField
Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
如果您想提交错误报告，请访问： http://bugreport.java.com/bugreport/crash.jsp 崩溃发生在Java虚拟机外部的本机代码中。 查看有问题的框架，了解报告错误的位置。
--------------- T H R E A D ---------------
Current thread (0x00007f30ac885800): JavaThread "AWT-XAWT" daemon [_thread_in_native, id=3919, stack(0x00007f30589b1000,0x00007f3058ab2000)]
siginfo: si_signo: 11 (SIGSEGV), si_code: 1 (SEGV_MAPERR), si_addr: 0x0000000000000000
Registers:
RAX=0x00007f30b2ae01a0, RBX=0x00007f30ac8859e0, RCX=0x00007f30b35342c0, RDX=0x0000000000000042
RSP=0x00007f3058ab06a8, RBP=0x00007f3058ab06d0, RSI=0x0000000000000000, RDI=0x00007f30ac8859e0
R8 =0x00000000e2c43150, R9 =0x0000000000000000, R10=0x000000000000244c, R11=0x0000000000000320
R12=0x00007f3032cd8a90, R13=0x0000000000000000, R14=0x00007f305b1d27e0, R15=0x00007f30ac885800
RIP=0x00007f309d0693fa, EFLAGS=0x0000000000010246, CSGSFS=0x0000000000000033, ERR=0x0000000000000004
TRAPNO=0x000000000000000e