sqldeveloper建立新的连接是出现Status : Failure -Test failed: IO Error: The Network Adapter could not establish the connection

Status : Failure -Test failed: IO Error: The Network Adapter could not establish the connection解决办法:

启动监听器时[oracle@localhost ~]$lsntctl start  出现The listener supports no services

Linux命令行运行  [oracle@localhost bin]$ netmgr  打开Oracle Net Manager,添加Database Service ,name设置为ORCL即可

sqldeveloper建立新的连接是出现Status : Failure -Test failed: IO Error: The Network Adapter could not establish the connection

完成后重新启动监听,再重新连接,问题解决。

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