new ConnectionFactory();异常

最新推荐文章于 2024-07-22 07:56:36 发布
原创 最新推荐文章于 2024-07-22 07:56:36 发布 · 1k 阅读 · 0 ·
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本文介绍了一个在运行RabbitMQ示例时遇到的问题：代码在newConnectionFactory后跳转到了finally分支，未捕获任何异常。通过添加slf4j jar包解决了这一问题，并分享了使用catch(Throwable e)来获取异常原因的小技巧。

运行rabbitMQ示例时, 遇到一个问题, 下面代码在newfactory后一直跳到finally分支, 看不到任何原因的exception.

其实是因为缺少slf4j jar包, 添加就可以了.  这里有一个小技巧, catch的时候 catch throwable类而不是Exception即可以看到异常原因.

        try {  

            factory = new ConnectionFactory();  
 factory.setHost("localhost");  
        } catch (Exception e) {  
            e.printStackTrace();  
        } catch (Throwable e) {  
            e.printStackTrace();  
        }finally{
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