#vulnerable code 
                                protected Fabric8ServiceHub getFabric8ServiceHub() {
        return new Fabric8ServiceHub.Builder()
                .log(log)
                .clusterAccess(clusterAccess)
                .dockerServiceHub(hub)
                .platformMode(mode)
                .build();
    } 
                            #location 4 
                            #vulnerability type THREAD_SAFETY_VIOLATION
#fixed code
                                protected Fabric8ServiceHub getFabric8ServiceHub() {
        return new Fabric8ServiceHub.Builder()
                .log(log)
                .clusterAccess(clusterAccess)
                .dockerServiceHub(hub)
                .platformMode(mode)
                .repositorySystem(repositorySystem)
                .build();
    }