[CALCITE-2155] upgrade slf4j

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 1.15.0
• Component/s: core
• Assignee: Unassigned
• Reporter: Alexey Roytman
• Created: 30/Jan/18 08:51
• Updated: 22/Feb/19 01:21

Description

Apache Calcite depends on slf4j-api version 1.7.13 which was released on 2015-11, more than two years ago.

We may wish to upgrade it to later version. For 2018-01-30, it's 1.7.25.

I hope that fixing pom.xml files and running tests is enough.