Getting Help

Need help with ORC? Try these resources.

Mailing Lists

The best option is to send email to the user list, which is for user discussions. All of the historic traffic is available in the archive. To subscribe to the user list, please send email to

Bug Reports

Please file any issues you encounter or fixes you’d like on the ORC Jira. We welcome patches!


StackOverflow is a wonderful resource for any developer. Take a look over there to see if someone has answered your question.

Browse the code

One of the advantages of open source software is that you can browse the code. The code is available on github.