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https://issues.apache.org/jira/browse/WW-3564?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13029100#comment-13029100
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Dan Du commented on WW-3564:
----------------------------
To Johannes Geppert:
1.) Why is this Issue a Blocker?
Not all backup files ended with "bak" will cause a blocker.
Only path start with the same prefix:
====================================================
path.startsWith(resultPrefix)
====================================================
for example,if a directory contains two jsp files:
/WEB-INF/jsp/search.jsp
/WEB-INF/jsp/search.jsp.bak
An exception will be thrown,it's a blocker.Below is stack message:
"Unable to find a result type for extension"
2.) Yes, you are right.
> Unable to find a result type for extension
> ------------------------------------------
>
> Key: WW-3564
> URL: https://issues.apache.org/jira/browse/WW-3564
> Project: Struts 2
> Issue Type: Bug
> Components: Plugin - Convention
> Affects Versions: 2.2.1
> Environment: windows xp, spring 2.5, tomcat 5.0.28,
> struts2-convention-plugin-2.2.1.jar
> Reporter: Dan Du
> Assignee: Maurizio Cucchiara
> Priority: Minor
> Attachments: 1.jpg, 11.jpg, 2.jpg, DefaultResultMapBuilder.java
>
>
> I set a convention constant like this below:
> ==========================================================================================
> <constant name="struts.convention.result.path" value="/WEB-INF/jsp" />
> ==========================================================================================
> After I deployed my project to tomcat server, I backup a file "search.jsp"
> and named the backup file with "search.jsp.bak", There is a class named with
> "SearchAction"。The action's search method is annotated by @Action, like this:
> ==========================================================================================
> @Action(value = "search", results = { @Result(name = "search", location =
> "/WEB-INF/jsp/search.jsp") })
> ==========================================================================================
> When I startup tomcat server, I recieved some message:
> ==========================================================================================
> Unable to find a result type for extension [bak] in location attribute
> [/WEB-INF/jsp/search.jsp.bak]. - [unknown location]
> ==========================================================================================
> Then I checked org.apache.struts2.convention.DefaultResultMapBuilder.java, I
> found this exception throwing at line 527。
> I debug that snippet, At line 269, I found some
> problems,ServletContext.getResourcePaths() method will scan a directory and
> its sub-directory and return all files in these directories, If a file's
> extension is not jsp, jspx,vm,ftl,html or htm。 I would get the error。
> So I think this code need to be change to fix this problem。
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