Skip to main content

This content has been archived and is no longer being updated. Links may not function; however, this content may be relevant to outdated versions of the product.

Support Article

SQL error while reading blob during extraction



When running a BIX command line, exception appears in logs and the extract fails. 

Error Messages

2016-08-18 18:06:01,479 [xxxxxxxxxx] [ ] ( internal.access.ExtractImpl) ERROR - SQL error getting the next row to be extracted
2016-08-18 18:06:01,479 [xxxxxxxxxx] [ ] ( internal.access.ExtractImpl) ERROR - SQL error while reading the blob: errorCode = 17002 errorMessage:IO Error: Unexpected packet
2016-08-18 18:06:01,479 [xxxxxxxxxx] [ ] ( internal.access.ExtractImpl) DEBUG - SQL error while reading the blob: java.sql.SQLRecoverableException: IO Error: Unexpected packet

Steps to Reproduce

Run BIX extract from command line.

Root Cause

The issue was due to the JDBC driver version.


Update the driver version from to resolved the BLOB exception. 



Published October 21, 2016 - Updated December 2, 2021

Was this useful?

100% found this useful

Have a question? Get answers now.

Visit the Collaboration Center to ask questions, engage in discussions, share ideas, and help others.

Did you find this content helpful?

Want to help us improve this content?

We'd prefer it if you saw us at our best.

Pega Community has detected you are using a browser which may prevent you from experiencing the site as intended. To improve your experience, please update your browser.

Close Deprecation Notice
Contact us