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https://issues.apache.org/jira/browse/MYFACES-4292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16858859#comment-16858859
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Bill Lucy commented on MYFACES-4292:
------------------------------------
I was able to reproduce this by following along with
[https://github.com/OpenLiberty/open-liberty/issues/5898]
What's happening is a similar case to the existing comment - so I think the
patch is fine.
_// This can happen if the classloader provided us a URL that it thinks exists_
_// but really doesn't. In particular, if a JAR contains META-INF/MANIFEST.MF_
_// but not META-INF/, some classloaders may incorrectly report that META-INF/_
_// exists and we'll end up here. Just ignore this case._
> String Out of Bounds Exception Thrown
> -------------------------------------
>
> Key: MYFACES-4292
> URL: https://issues.apache.org/jira/browse/MYFACES-4292
> Project: MyFaces Core
> Issue Type: Bug
> Components: JSR-344
> Affects Versions: 2.2.12
> Reporter: Volodymyr Siedlecki
> Priority: Minor
> Fix For: 2.2.13
>
> Attachments: MYFACES-4292.diff
>
>
> When deploying an application, the placement of the MANIFEST.MF file in a
> loose application xml can cause a java.lang.StringIndexOutOfBoundsException
> during MyFaces initialization. This problem occurs with the following path:
> /tmp/war/MANIFEST.MF
> This issue was solved in JSF 2.3 with MYFACES-4273, but not in JSF 2.2.
> By moving the catch block to the outer try block in
> myfaces/view/facelets/util/Classpath.java, the
> StringIndexOutOfBoundsException will be caught, and the faces initialization
> will continue normally.
> Stack Trace:
> Caused by: java.lang.StringIndexOutOfBoundsException: String index out of
> range: 0
> at java.base/java.lang.String.substring(String.java:2628)
> at
> org.apache.myfaces.view.facelets.util.Classpath._searchFromURL(Classpath.java:246)
> at
> org.apache.myfaces.view.facelets.util.Classpath._searchResource(Classpath.java:119)
> at
> org.apache.myfaces.view.facelets.util.Classpath.search(Classpath.java:69)
> at
> org.apache.myfaces.config.DefaultFacesConfigResourceProvider.getMetaInfConfigurationResources(DefaultFacesConfigResourceProvider.java:90)
> at
> org.apache.myfaces.config.DefaultFacesConfigurationProvider.getClassloaderFacesConfig(DefaultFacesConfigurationProvider.java:312)
> … 21 more
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