在启动tomcat的时分提示8080端口被占用，厥后经过查找发明如下结论：
将oracle与tomcat、jboss等别的占用8080端口的效劳器安装在一台机械上，会泛起8080端口被占用的错误。
 
一、首先搜检8080端口的运用状态
[root@olivenan root]# lsof -i :8080 -n
COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME
tnslsnr 1031 oracle 12u IPv4 2013 TCP *:webcache (LISTEN)
[root@olivenan root]# lsof -i tcp:8080 -n
COMMAND PID USER FD TYPE DEVICE SIZE NODE NAME
tnslsnr 1031 oracle 12u IPv4 2013 TCP *:webcache (LISTEN)
发明8080端口被oracle运用，把稳lsof号令参数的运用。
[root@olivenan root]# lsof -i udp:8080 -n
[root@olivenan root]# lsof -i|grep 8080
[root@olivenan root]# netstat -tln|grep 8080
tcp 0 0 0.0.0.0:8080 0.0.0.0:* LISTEN
[root@olivenan root]#
 
二、处置办法一
 
查找处置办法
将*.dispatchers='(PROTOCOL=TCP) (SERVICE=orclXDB)'
批改为#*.dispatchers='(PROTOCOL=TCP) (SERVICE=orclXDB)'
[oracle@olivenan dbs]$ sqlplus "/as sysdba"
SQL*Plus: Release 9.2.0.4.0 - Production on Fri Jul 6 10:37:32 2007
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
 
Connected to:
Oracle9i Enterprise Edition Release 9.2.0.4.0 - Production
With the Partitioning, OLAP and Oracle Data Mining options
JServer Release 9.2.0.4.0 - Production
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> create spfile from pfile;
File created.
SQL> startup
ORACLE instance started.
Total System Global Area 236000356 bytes
Fixed Size 451684 bytes
Variable Size 201326592 bytes
Database Buffers 33554432 bytes
Redo Buffers 667648 bytes
Database mounted.
Database opened.
SQL> exit
[root@olivenan root]# lsof -i :8080 -n
[root@olivenan root]
成效端口8080停止被占用
 
三、处置办法二
 
将xmlDB的端口转换为别的端口，此例转换为8082
SQL> call dbms_xdb.cfg_update(updateXML(dbms_xdb.cfg_get(), '/xdbconfig/sysconfig/protocolconfig/httpconfig/http-port/text
()', 8082));
Call completed.
SQL> exec dbms_xdb.cfg_refresh;
PL/SQL procedure successfully completed.
将ftp端口由2100转换为2111
SQL> call dbms_xdb.cfg_update(updateXML(dbms_xdb.cfg_get(), '/xdbconfig/sysconfig/protocolconfig/ftpconfig/ftp-port/text
()',2111));
Call completed.
SQL> commit;
Commit complete.
SQL> exec dbms_xdb.cfg_refresh;
PL/SQL procedure successfully completed.
SQL>
SQL> select dbms_xdb.cfg_get from dual;
CFG_GET
--------------------------------------------------------------------------------
$ @serverendp.ssh admin 4321 4322 -register
$ exit
就能把副本的8080换成4321，把9090换成4322.
 
 
来自: 新客网(www.xker.com) 详文参考：http://www.xker.com/page/e2007/0723/28035.html

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