$ netca
Oracle Net Services Configuration:
JVMDG217: Dump Handler is Processing Signal 11 - Please Wait.
JVMDG303: JVM Requesting Java core file
JVMDG304: Java core file written to /u01/app/oracle/product/10.2.0/db_1/network/tools/javacore21130.1432714051.txt
JVMDG215: Dump Handler has Processed Exception Signal 11.
/u01/app/oracle/product/10.2.0/db_1/bin/netca[190]: 21130 Segmentation fault(coredump)
原因：hosts里面没有配置主机名
解决方法：vi /etc/hosts
在最下方添加 ip地址 主机名
修改后立即生效
本文出自 “Sunny” 博客，请务必保留此出处http://dbasunny.blog.51cto.com/9192126/1655692
natca 报错Segmentation fault(coredump)
原文：http://dbasunny.blog.51cto.com/9192126/1655692