httpservices/src/main/java/ucar/httpservices/HTTPSession.java
static protected synchronized void kill()
    {
        if(sessionList != null) {
            for(HTTPSession session : sessionList) {
                session.close();
            }
            sessionList.clear();
            connmgr.close();
        }
    }
static protected synchronized void kill()
    {
        if(sessionList != null) {
            for(HTTPSession session : sessionList) {
                session.close();
            }
            sessionList.clear();
            connmgr.close();
        }
    }
obsolete