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From "Kathey Marsden (JIRA)" <derby-...@db.apache.org>
Subject [jira] Commented: (DERBY-374) Invalid URL with Derby Client when connecting to Network Server causes protocol exception.
Date Mon, 03 Oct 2005 16:46:07 GMT
    [ http://issues.apache.org/jira/browse/DERBY-374?page=comments#action_12331190 ] 

Kathey Marsden commented on DERBY-374:
--------------------------------------

I was thinking with this change that it would be good to check the problem url using the 

1)  10.1 client with the 10.2 server
2) 10.2 client with the 10.1 server.

Just to make sure it doesn't introduce a hang or anything worse than the protcol error we
were getting before.
Deepa, would you mind checking that out?


> Invalid URL with Derby Client when connecting to Network Server causes protocol exception.
> ------------------------------------------------------------------------------------------
>
>          Key: DERBY-374
>          URL: http://issues.apache.org/jira/browse/DERBY-374
>      Project: Derby
>         Type: Bug
>   Components: Network Client
>     Versions: 10.2.0.0, 10.1.1.0
>  Environment: Network Server running with Derby client on Windows 2000.
>     Reporter: A B
>     Assignee: Deepa Remesh
>      Fix For: 10.2.0.0
>  Attachments: derby-374-patch.diff, derby-374-patch.status
>
> 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).

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