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

[Cheng Fang (JIRA)]

Cheng Fang created AS7-5873:
-------------------------------

             Summary: 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


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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