严重：错误 filterStart ，当尝试将 Eclipse 中的 WAR 文件部署到 Tomcat 服务器时
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SEVERE: Error filterStart , when try to deploy WAR file in Eclipse to Tomcat server
提问by lakshman
I created java dynamic web application in tomcat server 7. it works fine when I run it from eclipse.
我在 tomcat 服务器 7 中创建了 java 动态 web 应用程序。当我从 eclipse 运行它时它工作正常。
I deployed it by right click on the project and export by following export dialog to the webapp directory of tomcat installation and start the tomcat server so that I can access
我通过右键单击项目并通过以下导出对话框导出到tomcat安装的webapp目录并启动tomcat服务器以便我可以访问
http://localhost:8080
but when I try to access
但是当我尝试访问时
http://localhost:8080/projectName.
I got below error.
我得到以下错误。
The requested resource (/projectName/) is not available.
I look into catalina.logfile. and found these lines
我查看catalina.log文件。并找到这些行
SEVERE: Error filterStart
SEVERE: Context [/projectName] startup failed due to previous errors
SEVERE: The web application [/projectName] appears to have started a thread named
[Abandoned connection cleanup thread] but has failed to stop it. This is very
likely to create a memory leak.
further my application is used struts2. I add struts2jars to the WEB-INF/libdirectory. why I can't access my application from war file?
进一步使用我的应用程序struts2。我将struts2jars添加到WEB-INF/lib目录中。为什么我无法从 war 文件访问我的应用程序？
采纳答案by lakshman
ok I figured it out my self. I searched the google for
好的，我自己弄明白了。我在谷歌上搜索
SEVERE: Error filterStart
and found, check the localhost_yyyy_mm_dd.logfile for more information about error.
并找到，检查localhost_yyyy_mm_dd.log文件以获取有关错误的更多信息。
In that file there was an error called java.lang.UnsupportedClassVersionError. The reason for that was my jdk and jre versions are different.
在那个文件中有一个错误叫做java.lang.UnsupportedClassVersionError. 原因是我的 jdk 和 jre 版本不同。
So I changed jdk and jre versions as same level from project properties. after that I built the project and exported the project to webApp again. I restart the tomcat server again. All errors are gone.
所以我从项目属性中将 jdk 和 jre 版本更改为相同级别。之后我构建了项目并将项目再次导出到webApp。我再次重新启动tomcat服务器。所有错误都消失了。
reference : Tomcat startup logs - SEVERE: Error filterStart how to get a stack trace?
回答by GowthamanSS
I think eclipse is not recognizing your project as a web app, To confirm this
我认为 Eclipse 没有将您的项目识别为 Web 应用程序，以确认这一点
Open to do open Java EE perspective on your Eclipse. If you open the project folder of your app, You should see (Deployment Descriptor)
打开以在您的 Eclipse 上打开 Java EE 透视图。如果您打开应用程序的项目文件夹，您应该看到 (Deployment Descriptor)
If you don't see it, your app is not web app as far as Eclipse is concerned, I have see this in case if you imported/created a maven command line project
如果您没有看到它，就 Eclipse 而言，您的应用程序不是网络应用程序，如果您导入/创建了一个 maven 命令行项目，我会看到这一点
To fix this, select Project ==> Properties ==> Project Facets ==> make sure Dynamic Web Module check box is checked
要解决此问题，请选择 Project ==> Properties ==> Project Facets ==> 确保选中 Dynamic Web Module 复选框
If you do that the local tomcat server will add your app when do add remove projects.
如果您这样做，本地 tomcat 服务器将在添加删除项目时添加您的应用程序。
