如何解决错误 TNS-12541:TNS:没有侦听器,但 Windows TNS 侦听器服务已启动
不知何故,当没有修改任何 Oracle 服务器文件时,我们的数据库实例无法连接到数据库实例,如下所示:
数据库实例:UP,监听器:DOWN,到实例的代理连接:DOWN
版本为 Oracle Database 11g 第 2 版 (11.2.0.1)
当使用 sql plus 运行此命令时:
select value from v$parameter where name='service_names';
输出为:orcl1
这是我的 listener.ora (D:\Oracle\product\11.2.0\dbhome_1\NETWORK\ADMIN):
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = XXXDS1)(PORT = 1521))
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
)
)
ADR_BASE_LISTENER = c:\Oracle
tnsnames.ora :
ORCL1 =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.0.12)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SID = ORCL1)
(SERVICE_NAME = ORCL1)
)
)
<msg time='2021-02-20T09:19:24.203+07:00' org_id='oracle' comp_id='tnslsnr'
type='UNKNowN' level='16' host_id='XXXDS1'
host_addr='::1'>
<txt>20-FEB-2021 09:19:24 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=__jdbc__)(USER=XXXDS1$))(SERVICE_NAME=orcl1)) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.0.12)(PORT=56955)) * establish * orcl1 * 12560
</txt>
</msg>
<msg time='2021-02-20T09:19:34.343+07:00' org_id='oracle' comp_id='tnslsnr'
type='UNKNowN' level='16' host_id='XXXDS1'
host_addr='::1'>
<txt>TNS-12560: TNS:protocol adapter error
TNS-00530: Protocol adapter error
64-bit Windows Error: 53: UnkNown error
TNS-12518: TNS:listener Could not hand off client connection
TNS-12571: TNS:packet writer failure
TNS-12560: TNS:protocol adapter error
TNS-00530: Protocol adapter error
64-bit Windows Error: 54: UnkNown error
</txt>
</msg>
<msg time='2021-02-20T10:51:15.390+07:00' org_id='oracle' comp_id='tnslsnr'
type='UNKNowN' level='16' host_id='XXXDS1'
host_addr='::1'>
<txt>20-FEB-2021 10:51:15 * (CONNECT_DATA=(SID=orcl1)(CID=(PROGRAM=D:\Oracle\product\11.2.0\dbhome_1\bin\emagent.exe)(HOST=XXXDS1)(USER=SYstem))) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.0.12)(PORT=49401)) * establish * orcl1 * 12505
</txt>
</msg>
<msg time='2021-02-20T10:51:25.514+07:00' org_id='oracle' comp_id='tnslsnr'
type='UNKNowN' level='16' host_id='XXXDS1'
host_addr='::1'>
<txt>TNS-12505: TNS:listener does not currently kNow of SID given in connect descriptor
</txt>
</msg>
<msg time='2021-02-20T10:51:42.490+07:00' org_id='oracle' comp_id='tnslsnr'
type='UNKNowN' level='16' host_id='XXXDS1'
host_addr='::1'>
<txt>20-FEB-2021 10:51:35 * (CONNECT_DATA=(SID=orcl1)(CID=(PROGRAM=D:\Oracle\product\11.2.0\dbhome_1\perl\bin\perl.exe)(HOST=XXXDS1)(USER=SYstem))) * (ADDRESS=(PROTOCOL=tcp)(HOST=::1)(PORT=49406)) * establish * orcl1 * 12505
</txt>
</msg>
<msg time='2021-02-20T10:51:52.614+07:00' org_id='oracle' comp_id='tnslsnr'
type='UNKNowN' level='16' host_id='XXXDS1'
host_addr='::1'>
<txt>TNS-12505: TNS:listener does not currently kNow of SID given in connect descriptor
</txt>
</msg>
<msg time='2021-02-20T10:52:02.738+07:00' org_id='oracle' comp_id='tnslsnr'
type='UNKNowN' level='16' host_id='XXXDS1'
host_addr='::1'>
<txt>20-FEB-2021 10:52:02 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=__jdbc__)(USER=XXXDS1$))(SERVICE_NAME=orcl1)) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.0.12)(PORT=49408)) * establish * orcl1 * 12514
</txt>
</msg>
<msg time='2021-02-20T10:52:12.862+07:00' org_id='oracle' comp_id='tnslsnr'
type='UNKNowN' level='16' host_id='XXXDS1'
host_addr='::1'>
<txt>TNS-12514: TNS:listener does not currently kNow of service requested in connect descriptor
</txt>
</msg>
<msg time='2021-02-20T10:53:40.705+07:00' org_id='oracle' comp_id='tnslsnr'
type='UNKNowN' level='16' host_id='XXXDS1'
host_addr='::1'>
<txt>TNS-12571: TNS:packet writer failure
TNS-12560: TNS:protocol adapter error
TNS-00530: Protocol adapter error
64-bit Windows Error: 54: UnkNown error
TNS-12514: TNS:listener does not currently kNow of service requested in connect descriptor
</txt>
</msg>
<msg time='2021-02-20T10:53:50.844+07:00' org_id='oracle' comp_id='tnslsnr'
type='UNKNowN' level='16' host_id='XXXDS1'
host_addr='::1'>
<txt>Dynamic address is already listened on (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=XXXDS1.xxxad.local)(PORT=1521)))
</txt>
</msg>
这些错误被多次写入
lsnrctl 状态为 READY
这种情况怎么会突然发生以及如何解决?
真诚的
奥维迪延托
解决方法
好的,我找到了答案
我的 listener.log 文件是 4Gb。所以我更改了文件名,重新启动服务,它就可以工作了。 打开企业管理器时的速度性能也有所提高。
谢谢
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