[Lucene.Net] [jira] [Updated] (LUCENENET-450) Incorrect use of StreamReader in MoreLikeThis

["Prescott Nasser (Updated) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENENET-450?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Prescott Nasser updated LUCENENET-450:
--------------------------------------

    Attachment: Lucenenet-450.patch

Attached patch; also merged to the trunk
                
> Incorrect use of StreamReader in MoreLikeThis
> ---------------------------------------------
>
>                 Key: LUCENENET-450
>                 URL: https://issues.apache.org/jira/browse/LUCENENET-450
>             Project: Lucene.Net
>          Issue Type: Bug
>          Components: Lucene.Net Contrib
>    Affects Versions: Lucene.Net 2.9.2, Lucene.Net 2.9.4, Lucene.Net 3.x, Lucene.Net 2.9.4g
>            Reporter: Itamar Syn-Hershko
>         Attachments: Lucenenet-450.patch
>
>
> In the MoreLike this implementation (looking at the trunk), line 772 incorrectly creates a new StreamReader instead of using StringReader. This causes the following exception to be thrown, since the ctor expects a file path and not an input string:
> System.ArgumentException: Illegal characters in path.
>    at System.Security.Permissions.FileIOPermission.HasIllegalCharacters(String[] str)
>    at System.Security.Permissions.FileIOPermission.AddPathList(FileIOPermissionAccess access, AccessControlActions control, String[] pathListOrig, Boolean checkForDuplicates, Boolean needFullPath, Boolean copyPathList)
>    at System.Security.Permissions.FileIOPermission..ctor(FileIOPermissionAccess access, AccessControlActions control, String[] pathList, Boolean checkForDuplicates, Boolean needFullPath)
>    at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath)
>    at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, String msgPath, Boolean bFromProxy)
>    at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options)
>    at System.IO.StreamReader..ctor(String path, Encoding encoding, Boolean detectEncodingFromByteOrderMarks, Int32 bufferSize)
>    at System.IO.StreamReader..ctor(String path, Boolean detectEncodingFromByteOrderMarks)
>    at Similarity.Net.MoreLikeThis.RetrieveTerms(Int32 docNum) in MoreLikeThis.cs:line 773
>    at Similarity.Net.MoreLikeThis.Like(Int32 docNum) in MoreLikeThis.cs:line 507
> Simply replacing StreamReader with StringReader will do the job

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