1、使用命令 db2 get dbm cfg
找到"SVCENAME" 查找到TCP/IP 服务名
2、到系统配置文件里找到service name 对应的 port number
windows:查看 c:\windows\system32\drivers\etc\services                                                
aix:         查看 /etc/services
DB2_DB2              60000/tcp
DB2_DB2_1          60001/tcp
DB2_DB2_2          60002/tcp
DB2_DB2_END      60003/tcp
db2c_DB2             50000/tcp
3、使用 netstat -an 命令查找tcp/ip 服务的端口
如:db2c_DB2 50000/tcp
然后重启即OK  db2stop  db2start
In JDBC configurations for WPA, you have to specify the port that DB2 is listening on. I usually look for /etc/services or try one of 50000/50001 and it usually works. In SUSE Linux, both the solutions did not work and there was another process (Multithreaded routing toolkit aka mrt) was listening on port 50000.
So how do we find out the DB2 port in a reliable way? Read on...
Step 1: Set the DB2 environment.
$ . ~db2inst1/sqllib/db2profile
Step 2: Find the service name for DB2 instance. It basically involves running "db2 get dbm cfg" command and finding a line containing SVCENAME.
$ s=`db2 get dbm cfg | grep SVCENAME | cut -d= -f2 | awk '{print $1}'`
Step 3: Find the service name that you got from Step 2 in /etc/services or %SYSTEMROOT%\system32\drivers\etc\services. That is the port is listening on. $ grep $svc /etc/services
Hope you find this useful.