Problem

Maven task fail with the following appears in the build log:

error	08-Mar-2019 09:19:15	Error: Could not find or load main class xxx.xxx.xxx

Cause

Maven executable in Agent Capabilities isn't configured with the real Maven Home, for example /usr (incorrect setting).

Resolution

1. Navigate to Administration > Build Resources > Agents
2. Click on the related agent name
3. In the Capabilities tab, edit the Maven executable path to the real Maven Home