Bill Lucy created MYFACES-4107:
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Summary: StringIndexOutOfBoundsException in getResourceVersion
Key: MYFACES-4107
URL: https://issues.apache.org/jira/browse/MYFACES-4107
Project: MyFaces Core
Issue Type: Bug
Affects Versions: 2.2.12, 2.1.18, 2.0.24
Environment: WebSphere Liberty
Reporter: Bill Lucy
Assignee: Bill Lucy
Priority: Minor
Attachments: MYFACES-4107.patch
I've run into a case where, given an incorrect context parameter, a
StringIndexOutOfBoundsException is thrown. This occurs in WebSphere Liberty
because the server normalizes the external context resource paths during app
initialization.
For example, this parameter:
<context-param>
<param-name>javax.faces.WEBAPP_RESOURCES_DIRECTORY</param-name>
<param-value>/META-INF/resources</param-value>
</context-param>
throws:
java.lang.StringIndexOutOfBoundsException: String index out of range: 35
at java.lang.String.substring(String.java:1377)
at
org.apache.myfaces.shared.resource.ExternalContextResourceLoader.getResourceVersion(ExternalContextResourceLoader.java:81)
That parameter value is not allowed to have a leading slash. However, the
current exception is not very helpful, and can be easily avoided.
I'll attach a patch which avoids the StringIndexOutOfBoundsException in
getResourceVersion(); we already have this logic in getLibraryVersion().
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