· Cannot create JDBC driver of class '' for connect URL 'null' www.doorway.ruinterException. at www.doorway.rutocol(Unknown Source) at www.doorway.ruRL(Unknown Source) at www.doorway.rusURL(Unknown Source) at . Other threads similar to Cannot create JDBC driver of class '' for connect URL 'null' Tomcat. www.doorway.rutException: Name java: is not bound in this Context. 5 replies Tomcat. Solution Cannot create JDBC driver of class '' for connect URL 'null' 1 reply Tomcat. JDBC Exception in JNDI lookup. 32 replies. Unable to create class 'JDBC driver' to connect 'null' url: I don't understand this exception Why does it say a null URL and give an empty class '' in the exception when I specify the database URL? I am trying to connect to the derby database through a servlet when using Tomcat.
Basically, I have an error in Tomcat (both when running within Eclipse and via www.doorway.ru) that says this once data begins to be accessed by my dynamic web application: Cannot create JDBC driver of class '' for connect URL 'null' www.doorway.ruinterException at www.doorway.rutocol (www.doorway.ru) at www.doorway.ruRL (www.doorway.ru) at www.doorway.rusURL (www.doorway.ru). Cannot create JDBC driver of class '' for connect URL 'null'どうも www.doorway.ru で指定する "url" がうまく読み込めない場合にでるらしい。 なんで、上記が出たらまずそこをチェックするといいかも。 自分の場合は、www.doorway.ru を conte"n"www.doorway.ru をしてしまってたことが原因。. Unable to create class 'JDBC driver' to connect 'null' url: I don't understand this exception Why does it say a null URL and give an empty class '' in the exception when I specify the database URL? I am trying to connect to the derby database through a servlet when using Tomcat.
Cause: In order to connect to MySQL database, you need JDBC driver for MySQL. class provided as String argument and throw this error if its not able to. This helps us in creating and using DataSource connection pool with just few lines of Driver" url="jdbc:mysql://localhost/UserDB" username="pankaj". SQLException: Cannot load JDBC driver class 'null ' SQL state: null. Note that the auto-loading of drivers having the META-INF/service/www.doorway.ru class.
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