[jboss-jira] [JBoss JIRA] (AS7-5873) Servlet response contains DOS-style EOL characters

[Cheng Fang (JIRA)]

     [ https://issues.jboss.org/browse/AS7-5873?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Cheng Fang updated AS7-5873:
----------------------------

    Attachment: test.war


Attaching a test war.  To run it,

curl http://localhost:8080/test/ > a.txt
vi a.txt
                
> Servlet response contains DOS-style EOL characters
> --------------------------------------------------
>
>                 Key: AS7-5873
>                 URL: https://issues.jboss.org/browse/AS7-5873
>             Project: Application Server 7
>          Issue Type: Bug
>          Components: Web
>    Affects Versions: 7.0.2.SP1
>         Environment: Mac OS
>            Reporter: Cheng Fang
>            Assignee: Remy Maucherat
>         Attachments: test.war
>
>
> I'm running AS7 on Mac, but found sometimes my servlet PrintWriter produces output with dos-style eol.  When opening the output in vi, there are a couple of ^M at end of line.
> This does not always happen.  After trying out a few samples, I found if the line already contains line.separator, then its eol will be ^M.  For example,
> {code:java}
> PrintWriter out = response.getWriter();
> out.println("From " + System.getProperty("line.separator") + this);
> {code}
> {noformat}
> From
> test.TestServlet at 180ab18^M
> {noformat}
> If line.separator is not used when constructing servlet output, then everything looks normal.
> My guess is the servlet container may first apply a dos-style eol, then does some sort of replacing with native eol by searching for the first occurrence of line.separator.

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