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From "Ravi Prakash (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7287) The OfflineImageViewer (OIV) can output invalid XML depending on the filename
Date Fri, 24 Oct 2014 20:31:33 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14183422#comment-14183422
] 

Ravi Prakash commented on HDFS-7287:
------------------------------------

Hi Haohui! I'm not familiar with CDATA, but the  wikipedia https://en.wikipedia.org/wiki/CDATA
entry says
{quote} But the text within a CDATA section is strictly limited to the characters available
in the encoding.
Because of this, using a CDATA section programmatically to quote data that could potentially
contain '&' or '<' characters can cause problems when the data happens to contain characters
that cannot be represented in the encoding
{quote}

> The OfflineImageViewer (OIV) can output invalid XML depending on the filename
> -----------------------------------------------------------------------------
>
>                 Key: HDFS-7287
>                 URL: https://issues.apache.org/jira/browse/HDFS-7287
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.0.0-alpha
>            Reporter: Ravi Prakash
>            Assignee: Ravi Prakash
>         Attachments: HDFS-7287.patch
>
>
> If the filename contains a character which is invalid in XML, TextWriterImageVisitor.write()
or PBImageXmlWriter.o() prints out the string unescaped. For us this was the character 0x0



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