public static void handleException(RestRequest request, RestResponse response, Throwable ex) {
Throwable rootCause = ExceptionUtils.getRootCause(ex);
rootCause = rootCause == null ? ex : rootCause;
logger.error("捕获到Rest异常：request={}", request, rootCause);
RestError restError = new RestError();
restError.setErrorCode(2);
if (ex instanceof RestServiceException) {
RestServiceException rse = (RestServiceException) ex;
if (rse.getErrorCode() != 0) {
restError.setErrorCode(rse.getErrorCode());
}
restError.setErrorInfo(rse.getMessage());
} else {
restError.setErrorInfo(RestApiConstants.DEFAULT_ERROR_INFO);
if (request.isDebug()) {
String stackTrace = ExceptionUtils.getStackTrace(rootCause);
// 截取有用的部分
stackTrace = StringUtils.substringBefore(stackTrace, RestApiConstants.STACK_TRACE_BEFORE);
response.setDebugInfo(stackTrace);
}
// 统计响应结果
recordToErrorCounter(request.getCmd());
}
response.setStatusCode(500);
response.setError(restError);
response.setResponseTime(new Date());
}
public void init() throws MQClientException {
nameServer = PropertyFileUtil.get("rocketmq.namesrv.domain");
if (StringUtils.isBlank(nameServer)) {
logger.warn("【MQ init】property rocketmq.namesrv.domain not found");
return;
}
if ("localTest".equals(nameServer)) {
logger.warn("【MQ init】localTest");
return;
}
if (StringUtils.isBlank(System.getProperty("rocketmq.namesrv.domain"))) {
System.setProperty("rocketmq.namesrv.domain", nameServer);
}
topicType = getTopic();
topic = RocketMqUtils.getTopic(topicType);
if (StringUtils.isBlank(group)) {
group = "S_" + topic.getTopic() + "_" + topic.getTags();
}
consumer = new DefaultMQPushConsumer(group);
consumer.setNamesrvAddr(nameServer);
consumer.setMessageModel(getMessageModel());
consumer.setConsumeThreadMin(minConsumeThread);
consumer.setConsumeThreadMax(maxConsumeThread);
// 可以不设置 设置后可以起多个 消费端
try {
consumer.setInstanceName("DEFAULT_CONSUMER-" + InetAddress.getLocalHost().getHostName());
} catch (UnknownHostException e) {
logger.error("getHostName error", e);
}
// 设置订阅的topic 设置订阅过滤表达式
if (StringUtils.isBlank(subExpression)) {
subExpression = topic.getTags();
consumer.subscribe(topic.getTopic(), subExpression);
} else {
consumer.subscribe(topic.getTopic(), subExpression);
}
try {
consumer.registerMessageListener(this);
consumer.start();
} catch (MQClientException e) {
logger.error(
"consumer start error!topic={},subExpression={},group={}",
topic.getTopic(),
subExpression,
group,
e);
}
logger.info(
"consumer start! topic={},subExpression={},group={}",
topic.getTopic(),
subExpression,
group);
}