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From "Bryan Pendleton (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DERBY-5806) Trying to prepare statement with no text causes DRDA protocol exception
Date Sat, 09 Jun 2012 16:34:42 GMT
Bryan Pendleton created DERBY-5806:
--------------------------------------

             Summary: Trying to prepare statement with no text causes DRDA protocol exception
                 Key: DERBY-5806
                 URL: https://issues.apache.org/jira/browse/DERBY-5806
             Project: Derby
          Issue Type: Bug
          Components: Network Client, Network Server
    Affects Versions: 10.10.0.0
            Reporter: Bryan Pendleton
            Priority: Minor


I accidentally stumbled into a rather awkward bit of error handling.

On an IJ session running client/server, I tried:

ij> connect 'jdbc:derby://localhost:1527/brydb';
ij> prepare seeMenu as '';
ERROR 08006: A network protocol error was encountered and the connection has been terminated:
A PROTOCOL Data Stream Syntax Error was detected.  Reason: 0x9,236. Plaintext connection attempt
to an SSL enabled server?

On the Network Server side, I see:

Sat Jun 09 09:28:51 PDT 2012 : Execution failed because of a Distributed Protocol Error: 
DRDA_Proto_SYNTAXRM; CODPNT arg  = 2414; Error Code Value = e. Plaintext connection attempt
from an SSL enabled client?
org.apache.derby.impl.drda.DRDAProtocolException: Execution failed because of a Distributed
Protocol Error:  DRDA_Proto_SYNTAXRM; CODPNT arg  = 2414; Error Code Value = e. Plaintext
connection attempt from an SSL enabled client?
	at org.apache.derby.impl.drda.DRDAConnThread.throwSyntaxrm(DRDAConnThread.java:537)
	at org.apache.derby.impl.drda.DRDAConnThread.missingCodePoint(DRDAConnThread.java:567)
	at org.apache.derby.impl.drda.DRDAConnThread.parsePRPSQLSTTobjects(DRDAConnThread.java:3858)
	at org.apache.derby.impl.drda.DRDAConnThread.parsePRPSQLSTT(DRDAConnThread.java:3788)
	at org.apache.derby.impl.drda.DRDAConnThread.processCommands(DRDAConnThread.java:831)
	at org.apache.derby.impl.drda.DRDAConnThread.run(DRDAConnThread.java:295)

It seems like the error handling could be improved here, for what is essentially a syntax
error on my part.

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