Websphere Liberty EclipseLink Logging

14 May 2018

Websphere Liberty uses EclipseLink as the default JPA-implementation. How to log the SQL-commands from EclipseLink in the Websphere Liberty stdout/console?

First step is enabling the logging in the persistence.xml:

<properties>
    <property name="eclipselink.logging.level.sql" value="FINE" />
    <property name="eclipselink.logging.level" value="FINE" />
    <property name="eclipselink.logging.level.cache" value="FINE" />
</properties>

This is not sufficient to get any output on stdout.

Additionally, the following snippet needs to be added to the server.xml:

<logging traceSpecification="*=info:eclipselink.sql=all" traceFileName="stdout" traceFormat="BASIC"/>

Set traceFileName="trace.log" to get the statements printed to the trace.log instead.