本篇内容介绍了“通过lsnrctl stop、lsnrctl start无法启动Oracle dblink的监听怎么办”的有关知识，在实际案例的操作过程中，不少人都会遇到这样的困境，接下来就让小编带领大家学习一下如何处理这些情况吧！希望大家仔细阅读，能够学有所成！

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Oracle dblink监听不能简单重启监听。

通过lsnrctl stop、lsnrctl start无法启动Oracle dblink的监听。

dblink查询报错：

SQL> select count(*) from CUX_IMP_INTERFACE_HEADERS@MYODBC.BENLAILIFE.COM;

select count(*) from CUX_IMP_INTERFACE_HEADERS@MYODBC.BENLAILIFE.COM

*

ERROR at line 1:

ORA-28545: error diagnosed by Net8 when connecting to an agent

Unable to retrieve text of NETWORK/NCR message 65535

ORA-02063: preceding 2 lines from MYODBC

正确重启Oracle dblink监听方式：

[oraprod@erpdbp PROD_erpdbp]$ pwd

/u01/prod/db/12.1.0/appsutil/scripts/PROD_erpdbp

[oraprod@erpdbp PROD_erpdbp]$ /u01/prod/db/12.1.0/appsutil/scripts/PROD_erpdbp/addlnctl.sh stop PROD

[oraprod@erpdbp PROD_erpdbp]$ /u01/prod/db/12.1.0/appsutil/scripts/PROD_erpdbp/addlnctl.sh start PROD

[oraprod@erpdbp PROD_erpdbp]$ /u01/prod/db/12.1.0/appsutil/scripts/PROD_erpdbp/addlnctl.sh status PROD

Service "PROD" has 2 instance(s).

Instance "PROD", status UNKNOWN, has 1 handler(s) for this service...

Instance "PROD", status READY, has 1 handler(s) for this service...

Service "ebs_patch" has 1 instance(s).

Instance "PROD", status READY, has 1 handler(s) for this service...

Service "myodbc3" has 1 instance(s).

Instance "myodbc3", status UNKNOWN, has 1 handler(s) for this service...

Service "myodbc4" has 1 instance(s).

Instance "myodbc4", status UNKNOWN, has 1 handler(s) for this service...

The command completed successfully

SQL> set linesize 600

SQL> set pagesize 600

SQL> select owner,object_name from dba_objects where object_type='DATABASE LINK';

OWNER OBJECT_NAME

-------------------------------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------------------------------

PUBLIC DEV_LINK.BENLAILIFE.COM

PUBLIC GUOFANG.BENLAILIFE.COM

PUBLIC MYODBC.BENLAILIFE.COM

PUBLIC PROD_BAK_DBLINK.BENLAILIFE.COM

APPS TEST_TO_PROD.TEST.BENLAILIFE.COM

报错：

SQL> select count(*) from CUX_IMP_INTERFACE_HEADERS@MYODBC.BENLAILIFE.COM;

select count(*) from CUX_IMP_INTERFACE_HEADERS@MYODBC.BENLAILIFE.COM

*

ERROR at line 1:

ORA-28545: error diagnosed by Net8 when connecting to an agent

Unable to retrieve text of NETWORK/NCR message 65535

ORA-02063: preceding 2 lines from MYODBC

PS：

CUX_IMP_INTERFACE_HEADERS是MySQL的表。

监听正常后：

SQL> select count(*) from CUX_IMP_INTERFACE_HEADERS@MYODBC.BENLAILIFE.COM;

COUNT(*)

----------

2570886

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