How to cancel the console printing message

[symphony]

Hello,

I have a new problem,when I create a new docx file to disk,the console print
a lot of information,I want it print nothing unless unusual.How can I do?

Cheers!

[jason]

The set of possible log4j levels are DEBUG, INFO, WARN, ERROR and FATAL

Use ERROR or FATAL for all categories.

[symphony]

Thank you!