the problem encountered now is that the Aliyun security group used by the public network server cannot connect to the 9300 port server is allows all-1 Melissa 1 address fields to access 0.0.0.0amp 0 linux firewall also maps port 9300 9200 can use n...
1 A bean has multiple constructors injected into the spring. How does spring know which constructor to use to new the object? ...