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https://issues.apache.org/jira/browse/IO-302?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gary D. Gregory closed IO-302.
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Version 2.2 has been released and addresses this issue.
> ArrayIndexOutOfBoundsException in BOMInputStream when reading a file without
> BOM multiple times
> -----------------------------------------------------------------------------------------------
>
> Key: IO-302
> URL: https://issues.apache.org/jira/browse/IO-302
> Project: Commons IO
> Issue Type: Bug
> Components: Streams/Writers
> Affects Versions: 2.1
> Environment: Win7 64bit, Java 6 32bit
> Reporter: Jan Steuerwald
> Assignee: Gary D. Gregory
> Fix For: 2.2
>
> Attachments: IO-302.patch, Test.java, testfileBOM.xml,
> testfileNoBOM.xml
>
>
> Resetting the BOMInputStream doesn't reset the _fbLength_ member variable.
> This causes _fbLength_ to grow bigger than the _firstBytes_ array (when the
> file doesn't contain a BOM), which leads to an ArrayIndexOutOfBoundsException
> in the _readFirstBytes_ method.
> The attached test case reveals the problem.
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