The following kmodule.xml and solver.xml combination is broken
When no ksession is defined in kmodule.xml and no ksessionName is set in solver.xml optaplanner should find the ksession called "defaultKieSession".

<?xml version="1.0" encoding="UTF-8"?>
<kmodule xmlns="http://www.drools.org/xsd/kmodule">
</kmodule>

<?xml version="1.0" encoding="UTF-8"?>
<!-- This file is copy pasted to another package in the KieContainer test to avoid false positive tests -->
<solver>
<scanAnnotatedClasses>
<packageInclude>testdata.kjar</packageInclude>
</scanAnnotatedClasses>

<!-- Score configuration -->
<scoreDirectorFactory>
<scoreDefinitionType>SIMPLE</scoreDefinitionType>
</scoreDirectorFactory>
</solver>