我使用的时候遇到同样问题,只要是JDBC连接的都是会超时的。无论是使用mac 还是windows 10,无论连接的是myqlhai还是postgres数据库
以下是通过在mac上运行tcpdump -a的结果,192.168.43.120是客户端ip,192.168.6.97是数据库端ip。
listening on pktap, link-type PKTAP (Apple DLT_PKTAP), capture size 262144 bytes
18:53:58.380850 IP 192.168.43.120.58117 > 192.168.6.97.postgresql: Flags [S], seq 3965090928, win 65535, options [mss 1460,nop,wscale 5,nop,nop,TS val 522596597 ecr 0,sackOK,eol], length 0
.4.....\..Kc..E..@..@.@.g...+x...a...8.V|p.......................
.&0.........
18:53:58.492069 IP 192.168.6.97.postgresql > 192.168.43.120.58117: Flags [S.], seq 155625297, ack 3965090929, win 14480, options [mss 1400,sackOK,TS val 13851123 ecr 522596597,nop,wscale 9], length 0
.\..Kc.4......E..<..@.>......a..+x.8.. F.Q.V|q..8........x...
..Y..&0....
18:53:58.492119 IP 192.168.43.120.0.58117 > 192.168.6.97.postgresql: Flags [.], ack 1, win 4120, options [nop,nop,TS val 522596706 ecr 13851123], length 0
.4.....\..Kc..E..40.@.@.V...+x...a...8.V|q F.R...........
.&1b..Y.
18:53:58.492360 IP 192.168.43.120.58117 > 192.168.6.97.postgresql: Flags [P.], seq 1:105, ack 1, win 4120, options [nop,nop,TS val 522596706 ecr 13851123], length 104
.4.....\..Kc..E...j.@.@..y..+x...a...8.V|q F.R.....3.....
.&1b..Y....h....user.postgres.database.GEMPILE_DATA.client_encoding.UNICODE.DateStyle.ISO.extra_float_digits.2..
18:53:58.531899 IP 192.168.6.97.postgresql > 192.168.43.120.58117: Flags [.], ack 105, win 29, options [nop,nop,TS val 13851143 ecr 522596706], length 0
.\..Kc.4......E..4.U@.>..D...a..+x.8.. F.R.V|............
..Z..&1b
18:53:58.531912 IP 192.168.6.97.postgresql > 192.168.43.120.58117: Flags [.], ack 105, win 29, options [nop,nop,TS val 13851143 ecr 522596706], length 0
.\..Kc.4......E..4.V@.>..C...a..+x.8.. F.R.V|........... |