ERROR<53761> - Plugins - conn=-1 op=-1 msgId=-1 - Connection Bind through PTA failed (91). Retrying...

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LDAP6.3在DSCC控制台啟動執行個體完成，但是操作狀態顯示“意外錯誤”，查看日誌如下：

04/May/2016:21:10:39 +0800] - Sun-Java(tm)-System-Directory/6.3 B2008.0311.0224 (32-bit) starting up
[04/May/2016:21:10:39 +0800] - Listening on all interfaces port 11111 for LDAP requests
[04/May/2016:21:10:39 +0800] - Listening on all interfaces port 11112 for LDAPS requests
[04/May/2016:21:10:39 +0800] - slapd started.
[04/May/2016:21:10:39 +0800] - INFO: 0 entries in the directory database.
[04/May/2016:21:10:39 +0800] - INFO: add:0, modify:0, modrdn:0, search:0, delete:0, compare:0, bind:0 since startup.
[04/May/2016:21:10:40 +0800] - ERROR<53761> - Plugins - conn=-1 op=-1 msgId=-1 - Connection  Bind through PTA failed (91). Retrying...
[04/May/2016:21:10:40 +0800] - ERROR<53761> - Plugins - conn=-1 op=-1 msgId=-1 - Connection  Bind through PTA failed (91).
[04/May/2016:21:10:40 +0800] - ERROR<53761> - Plugins - conn=-1 op=-1 msgId=-1 - Connection  Bind through PTA failed (91). Retrying...
[04/May/2016:21:10:40 +0800] - ERROR<53761> - Plugins - conn=-1 op=-1 msgId=-1 - Connection  Bind through PTA failed (91).

 

檢查發現/etc/hosts設定檔有錯，127.0.0.1和::1後面的hostname寫到其它伺服器的主機名稱了。因為是/etc/hosts設定檔是從其它伺服器直接複製粘貼過來的，所以就錯了。修改為正確的，刪除原來的執行個體，重新建立後正常。

# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1       testldap210.com     testldap210
::1                testldap210.com     testldap210
……

參考資料：https://community.oracle.com/thread/2013701

ERROR<53761> - Plugins - conn=-1 op=-1 msgId=-1 - Connection Bind through PTA failed (91). Retrying...