Tomcat - 不会加载我的META-INF \services\javax.servlet.ServletContainerInitializer文件？ [英] Tomcat - won't load my META-INF\services\javax.servlet.ServletContainerInitializer file?

问题描述

我有一个Web项目，它有一个 \META-INF\services\javax.servlet.ServletContainerInitializer 文件，其内容指向完全限定名称一个实现ServletContainerInitializer接口的类。我基本上按照这里给出的例子： http://nullhaus.com/2011/03/using -servlets-3-0-servletcontainerinitializer /

我将调试行放在我的类中，实现了ServletContainerInitializer接口，并且它不会在那里。甚至没有默认构造函数...

我的应用程序文件夹结构如下：

 code> \MyApp 
 \META-INF\services\javax.servlet.ServletContainerInitializer 
 \WEB-INF \classes \ 
 ... [list的课程和包裹去这里] 
  

任何想法我需要检查??

注意1：我的Tomcat从包含我的应用程序的爆炸式外部文件夹发布

注意2：我从Eclipse启动了我的Tomcat - 如果这样做有所作为！

解决方案

嗯，我想你需要包装你的初始化器类相关的META-INF目录）转换为单独的* .jar，并将其放在 WEB-INF / lib 中。

这是一个JAR服务，所以我想这可能与* .war文件中发现服务的问题有关。此外，如果将META-INF目录放在 WEB-INF / classes 中并设置，那么不会您的Tomcat的 server.xml 中的unpackWAR = false 。

HTH。

I have a web project that has a \META-INF\services\javax.servlet.ServletContainerInitializer file with its content pointing to the fully qualified name of a class that implements the ServletContainerInitializer interface. I basically followed the example given here: http://nullhaus.com/2011/03/using-servlets-3-0-servletcontainerinitializer/

I put debug lines in my class that implements the ServletContainerInitializer interface and it never makes it there. Not even the default constructor...

My application folder structure is as follows:

\MyApp
      \META-INF\services\javax.servlet.ServletContainerInitializer
      \WEB-INF\classes\
                 ... [list of classes and packages go here]

Any ideas what I need to check for??

Note 1: My Tomcat publishes from an exploded external folder that contains my application

Note 2: I started my Tomcat from Eclipse - if that makes a difference!

解决方案

Well, I think that you'll need to wrap your initializer class (and it's services-related META-INF directory) into a separate *.jar and put it in the WEB-INF/lib.

This is a JAR service, so I guess it could have something to do with problems with discovering services in a *.war file. Moreover, it doesn't even help if you put your META-INF directory inside WEB-INF/classes and set unpackWAR=false in your Tomcat's server.xml.

HTH.

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