首页 \ 问答 \ 什么会使单个任务执行程序停止处理任务？(what would make a single task executor stop processing tasks?)

什么会使单个任务执行程序停止处理任务？(what would make a single task executor stop processing tasks?)

 我使用通过调用Executors.newSingleThreadExecutor()获得的java.util.concurrent.ExecutorService 。 这个ExecutorService有时可以停止处理任务，即使它没有关闭并且继续接受新的任务而不会抛出异常。 最终，它会建立足够的队列，使我的应用程序关闭OutOfMemoryError异常。  
 该文档似乎表明，这个单线程执行程序应该通过启动一个新的工作线程来解决任务处理错误，以便替换已经死亡的线程。 我错过了什么吗？ 

I'm using a java.util.concurrent.ExecutorService that I obtained by calling Executors.newSingleThreadExecutor(). This ExecutorService can sometimes stop processing tasks, even though it has not been shutdown and continues to accept new tasks without throwing exceptions. Eventually, it builds up enough of a queue that my app shuts down with OutOfMemoryError exceptions. 
The documentation seem to indicate that this single thread executor should survive task processing errors by firing up a new worker thread if necessary to replace one that has died. Am I missing something?

原文：https://stackoverflow.com/questions/344788

更新时间：2022-07-04 06:07

最满意答案

 将正则表达式用于XML并不是一个好主意。 根据语言，您应该使用一些XML库。  
 在这种情况下，正则表达式非常简单：  
        string s = "hello <div>bye bye</div> marco <img />";

        Regex rgx = new Regex("(<div>[^<]*</div>)|(<img */>)");
        s = rgx.Replace(s, "");

It is not a good idea to use regex for XML. Depending on the language you should use some XML library. 
In this case the regex is pretty simple, though: 
        string s = "hello <div>bye bye</div> marco <img />";

        Regex rgx = new Regex("(<div>[^<]*</div>)|(<img */>)");
        s = rgx.Replace(s, "");

什么会使单个任务执行程序停止处理任务？(what would make a single task executor stop processing tasks?)

最满意答案

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