If using the Derby Client to connect to the Derby Network Server, there are some cases where an invalid URL will cause a protocol exception instead of throwing a proper error. The two cases I've found are as follow:
1) Use of a colon to separate attributes:
When connecting to the server with JCC, a colon is required to demarcate the Derby attributes from the JCC attributes. For the Derby Client, however, the colon is not a valid part of the URL, so use of it should return an error. However, the result is a protocol exception:
ij> connect 'jdbc:
derby://localhost:1528/sample:user=someUsr;password=somePwd';
agentThread[DRDAConnThread_9,5,main]
ERROR (no SQLState): A communication error has been detected. Communication protocol being used: Reply.fill(). Communication API being used: InputStream.read(). Location where the error was detected:
insufficient data. Communication function detecting the error: *. Protocol specific error codes(s) TCP/IP SOCKETS
2) Use of double-quotes to specify a full path to a database.
The use of double-quotes around a database path is required when connecting to the server with JCC, but should be optional when using the Derby Client. However, attempts to use the double-quotes doesn't work--on the contrary, it throws a protocol exception:
ij> connect 'jdbc:
derby://localhost:1528/"C:/myDBs/sample"';
agentThread[DRDAConnThread_11,5,main]
ERROR (no SQLState): A communication error has been detected. Communication protocol being used: Reply.fill(). Communication API being used: InputStream.read(). Location where the error was detected:
insufficient data. Communication function detecting the error: *. Protocol specific error codes(s) TCP/IP SOCKETS
Without quotes, the above example will work as expected.
I'm not sure if the problem is with the Derby client or the Network Server (more investigation required).
Bug
Closed
Major
Invalid URL with Derby Client when connecting to Network Server causes protocol exception.
Open
