Put this in OutageListService.java....

package org.opennms.web.svclayer.outage;

import java.util.Collection;
import java.util.List;


import org.opennms.netmgt.model.OnmsOutage;

@Transactional(readOnly = true)
public interface OutageListService {
	public List theTable(Collection<OnmsOutage> foundOutages);
}

.... and change the definition for OutageListBuilder to ....


public class OutageListBuilder implements OutageListService {