我试图运行Cassandra，但每次都是给同样的错误，而连接。。。在配置文件或属性文件中有什么我需要编辑的吗
（'无法连接到任何服务器'，{127.0.0.1:9042'：错误（61，“尝试连接到[（'127.0.0.1'，9042）]。上一个错误：连接被拒绝（“）}）
启动cassandra时出错

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

# 

# SIGSEGV (0xb) at pc=0x0000000106116a8c, pid=27359, tid=0x0000000000006e03

# 

# JRE version: OpenJDK Runtime Environment (8.0_275) (build 1.8.0_275-bre_2020_11_16_16_16-b00)

# Java VM: OpenJDK 64-Bit Server VM (25.275-b00 mixed mode bsd-amd64 compressed oops)

# Problematic frame:

# V  [libjvm.dylib+0x564a8c]

# 

# Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again

# 

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

# /Users/sandhyasingh/hs_err_pid27359.log

# 

# If you would like to submit a bug report, please visit:

# http://bugreport.java.com/bugreport/crash.jsp

# 

Abort trap: 6