MBeanClientInterceptor.java 文件源码

/**
 * Refresh the connection and retry the MBean invocation if possible.
 * <p>If not configured to refresh on connect failure, this method
 * simply rethrows the original exception.
 * @param invocation the invocation that failed
 * @param ex the exception raised on remote invocation
 * @return the result value of the new invocation, if succeeded
 * @throws Throwable an exception raised by the new invocation,
 * if it failed as well
 * @see #setRefreshOnConnectFailure
 * @see #doInvoke
 */
protected Object handleConnectFailure(MethodInvocation invocation, Exception ex) throws Throwable {
    if (this.refreshOnConnectFailure) {
        String msg = "Could not connect to JMX server - retrying";
        if (logger.isDebugEnabled()) {
            logger.warn(msg, ex);
        }
        else if (logger.isWarnEnabled()) {
            logger.warn(msg);
        }
        prepare();
        return doInvoke(invocation);
    }
    else {
        throw ex;
    }
}