当插入新的war文件时，Tomcat webapp文件夹被破坏

问题描述

通常，当我在Tomcat的webapps文件夹中添加一个更新的war文件时，相应的webapp会自动更新。

但是有时候，当我更新一个war文件时，发生一个奇怪的事情：除了一些随机的文件集合外，大部分webapp的文件夹被删除。在这种情况下，webapp不再有效。为了使其工作，我必须停止Tomcat，完全删除该webapp的文件夹，然后重新启动Tomcat。

我尝试从Tomcat管理器中停止webapp，然后再放入在webapps中的war文件 - 这没有帮助。

我试图将autodeploy和/或unpackwars更改为false，但是webapp没有被更新所有的时候我把新的warfile。

我也试图使用Jenkins的部署插件，但同样的问题发生。

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解决方案

根据Tomcat 7配置指南：

可能的问题是，自动部署者仍然没有完成删除扩展目录，而另一个线程开始重新部署它。

我的解决方法是删除旧的war文件，等到目录被删除，然后才能放入新的war文件，因为：

Usually, when I put an updated war file in Tomcat's webapps folder, the appropriate webapp is automatically updated.

But sometimes, when I put an updated war file, a strange thing happens: most of that webapp's folder is deleted, except some random collection of files. Of course in this case the webapp no longer works. To make it work, I must stop Tomcat, delete the folder of that webapp entirely, then restart Tomcat.

I tried to stop the webapp from the Tomcat manager before putting the war file in webapps - it didn't help.

I tried to change "autodeploy" and/or "unpackwars" to false, but then the webapp was not updated at all when I put the new warfile.

I also tried to use Jenkins' deployment plugin, but the same problem happened.

System spec: Tomcat 7 on Windows 2003.

解决方案

According to Tomcat 7 configuration guide: http://tomcat.apache.org/tomcat-7.0-doc/config/host.html#Automatic%20Application%20Deployment

Probably, the problem is that the auto-deployer still hasn't finished to remove the expanded directory, while another thread started re-deploying it.

My workaround is to delete the old war-file, wait until the directory is removed, and only then put the new war-file, since:

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