1) mvn clean install -Pwildfly -Dit.test=org.kie.server.integrationtests.jbpm.UserTaskServiceIntegrationTest 2) the exception below is thrown Caused by: java.lang.RuntimeException: Unable to build kie service url = jar: file:/Users/lmolteni/.m2/repository/org/optaplanner/optaplanner-core/7.45.0-SNAPSHOT/optaplanner-core-7.45.0-SNAPSHOT.jar!/META-INF/kie.conf at org.kie.server.integrationtests.jbpm.UserTaskServiceIntegrationTest.buildAndDeployArtifacts(UserTaskServiceIntegrationTest.java:73) Caused by: java.lang.RuntimeException: Cannot create instance of class: org.optaplanner.core.impl.solver.kie.KieSolverAssemblerService at org.kie.server.integrationtests.jbpm.UserTaskServiceIntegrationTest.buildAndDeployArtifacts(UserTaskServiceIntegrationTest.java:73) Caused by: java.lang.ClassNotFoundException: org.optaplanner.core.impl.solver.kie.KieSolverAssemblerService at org.kie.server.integrationtests.jbpm.UserTaskServiceIntegrationTest.buildAndDeployArtifacts(UserTaskServiceIntegrationTest.java:73)