/** Closes the connection. */ void destroy() { ManagedConnection mConn = _mConn; _mConn = null; UserTransactionImpl transaction = _transaction; _transaction = null; if (mConn == null) return; _cm.removeItem(this, mConn); UserPoolItem userItem = _shareHead; if (log.isLoggable(Level.FINE)) log.fine("connection pool destroy " + this); try { while (userItem != null) { UserPoolItem next = userItem.getShareNext(); userItem.close(); userItem = next; } if (transaction != null) transaction.delistPoolItem(this, XAResource.TMFAIL); } catch (Throwable e) { log.log(Level.FINE, e.toString(), e); } try { mConn.destroy(); } catch (Exception e) { log.log(Level.FINE, e.toString(), e); } finally { _cm.getConnectionTimeProbe().end(_connectionStartTime); } }