启动elasticsearch warning

Question

OpenJDK Server VM warning: You have loaded library /home/xyz/Downloads/elasticsearch-1.2.1/lib/sigar/libsigar-x86-linux.so which might have disabled stack guard. The VM will try to fix the stack guard now.
It's highly recommended that you , or link it with '-z noexecstack'.

./bin/elasticsearch 可以正常起来老是有上面的提示, 谁遇到过这样的情况帮忙解决一下谢谢

Answer 1

是不是没有用default port（9200或者9300）？

Answer 2

需要jdk版本 1.7以上吧