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Date: Tue, 24 Aug 2010 04:04:16 -0400 (EDT)
From: "Michal Dvorak (JIRA)" <dev@myfaces.apache.org>
To: dev@myfaces.apache.org
Subject: [jira] Commented: (MYFACES-2891) Empty url mapping prefix causes
 infinite loop in DefaultViewHandlerSupport.handlePrefixMapping
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    [ https://issues.apache.org/jira/browse/MYFACES-2891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12901762#action_12901762 ] 

Michal Dvorak commented on MYFACES-2891:
----------------------------------------

This happens probably only when using Spring, where viewId comes already resolved to /WEB-INF/... path, and prefix is empty string. I solved it simply by adding
if (prefix.length() == 0) viewId;
to the start of the method.

> Empty url mapping prefix causes infinite loop in DefaultViewHandlerSupport.handlePrefixMapping
> ----------------------------------------------------------------------------------------------
>
>                 Key: MYFACES-2891
>                 URL: https://issues.apache.org/jira/browse/MYFACES-2891
>             Project: MyFaces Core
>          Issue Type: Bug
>          Components: JSR-314
>    Affects Versions: 2.0.1
>         Environment: Weblogic 10.3, Sun JAVA 1.6, Spring Framework 3.0.3, Spring Webflow 2.1.1
>            Reporter: Michal Dvorak
>   Original Estimate: 0.5h
>  Remaining Estimate: 0.5h
>
> The loop
> while (uri.startsWith(prefix) || uri.startsWith("//")) ...
> cannot end when prefix is empty string (which should be valid value).

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