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2025-09-25 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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The The Network Adapter could not establish the connection network adapter could not create a connection
As a beginner, this problem has made me look for it many times. Every time I restart the computer, I can get the connection normally. After a while, I don't know what I have done, I will report an error again, and when I use pl/sql, I will log in and the user will not log in for half a day.
The configuration file is as follows:
The statement to get the connection is as follows
Public static Connection getConnection () {
String className = SmbmsProperties.getInstance () .getValue ("jdbc.class")
String user = SmbmsProperties.getInstance () .getValue ("jdbc.user")
String password= SmbmsProperties.getInstance () .getValue (jdbc.password)
String url = SmbmsProperties.getInstance () .getValue ("jdbc.url")
Connection connection=null
Try {
Class.forName (className); / / load driver
Connection=DriverManager.getConnection (url, user, password); / / obtain database connection
} catch (Exception e) {
E.printStackTrace ()
}
Return connection
}
The reason why I have this problem is that I turned on sharing wifi on my computer, which caused my mistake.
It should be a network conflict. Do not turn on the shared wifi after reboot and ok it.
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