CXF interceptor fixing memory leak by removing attachments

ClearAttachmentsOutInterceptor.java

import org.apache.cxf.binding.soap.SoapMessage;
import org.apache.cxf.binding.soap.interceptor.AbstractSoapInterceptor;
import org.apache.cxf.endpoint.ClientImpl;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.phase.Phase;

/**
 * Fix CXF memory leak by removing attachments once the SOAP message was sent.
 */
public class ClearAttachmentsOutInterceptor extends AbstractSoapInterceptor {

    public ClearAttachmentsOutInterceptor() {
        super(Phase.SETUP_ENDING);
    }

    @Override
    public void handleMessage(SoapMessage message) throws Fault {
        message.getExchange().getOutMessage().setContent(
                org.apache.cxf.attachment.AttachmentSerializer.class, null);
    }
}