Bug #54425 Unknown command when connecting to MySQL 5.1 with MysqlConnectionPoolDataSource
Submitted: 11 Jun 2010 11:00 Modified: 15 Apr 2011 15:30
Reporter: Martin Kirchner Email Updates:
Status: Closed Impact on me:
None 
Category:Connector / J Severity:S1 (Critical)
Version:5.1.12 + 5.1.13 + 5.1.14 + 5.1.15 OS:Any
Assigned to: CPU Architecture:Any

File: Maximum allowed size is 3MB.
Description:
Privacy:

If the data you need to attach is more than 3MB, you should create a compressed archive of the data and a README file that describes the data with a filename that includes the bug number (recommended filename: mysql-bug-data-54425.zip) and upload one to sftp.oracle.com. A free Oracle Web (SSO) account (the one you use to login bugs.mysql.com) and a client that supports SFTP are required in order to access the SFTP server.

To upload the file to sftp.oracle.com:

  1. Open an SFTP client and connect to sftp.oracle.com. Specify port 2021 and remote directory /support/incoming/.
  2. Log in with your newly created Oracle Web account (email address) and password.
  3. Upload the archive to /support/incoming.
  4. Once you have uploaded the file, add a comment to this bug to notify us about it.
Example: sftp -oPort=2021 -oUser=email sftp.oracle.com:/support/incoming

Usage Notes: This directory is unlistable, which means that once you have uploaded your file, you will not be able to see it. A file cannot be uploaded more than once with the same filename. The filename must be changed before attempting to upload the file again. The filename should always start with mysql-bug- prefix. Files are retained on the SFTP server for 7 days and then permanently removed.

[21 Jul 2010 13:56] Martin Kirchner
Traffic between Connector/J and MySQL 5.1

Attachment: Wireshark.txt (text/plain), 16.15 KiB.

[21 Jul 2010 13:58] Martin Kirchner
Change User command sent to the server

Attachment: ScreenShot 247 MySQL Bugs_ #54425_ Unknown command when connecting to MySQL 5.1 with MysqlConnectionPoolDataSource - Mozilla Firefox.png (image/png, text), 37.90 KiB.

[21 Jul 2010 13:59] Martin Kirchner
Response: Unknown command

Attachment: ScreenShot 248 MySQL Bugs_ #54425_ Unknown command when connecting to MySQL 5.1 with MysqlConnectionPoolDataSource - Mozilla Firefox.png (image/png, text), 37.47 KiB.

[26 Feb 2011 13:56] Martin Kirchner
traffic captured with Wireshark

Attachment: MySQL51.pcap (application/octet-stream, text), 9.16 KiB.