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From: "Brian (JIRA)" <jira@apache.org>
To: log4j-dev@logging.apache.org
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Subject: [jira] [Commented] (LOG4J2-518) Logging of nested list uses
 incorrect charset
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    [ https://issues.apache.org/jira/browse/LOG4J2-518?page=3Dcom.atlassian=
.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=3D1388=
4302#comment-13884302 ]=20

Brian commented on LOG4J2-518:
------------------------------

I am able to reproduce it with your code, after a slight modification.  I f=
ound the list has to be a certain length before this happens.  I.e., just u=
sing your code it does not happen, but once I make it 40 times longer with =
the same strings, it does:

{code}
        Logger log =3D LogManager.getLogger(PatternTestUTF8.class);
        List<String> list =3D Arrays.asList("a", "hello \u65e5\u672c\u8a9e"=
, "b", "\u30c6\u30b9\u30c8", "c", "\u6f22\u5b57");
       =20
        List<String> longList =3D new ArrayList<String>();
       =20
        for (int i =3D0; i < 40; i++){
            longList.addAll(list);
        }
       =20
        List<List<String>> listOfList =3D Arrays.asList(longList, longList)=
;
        log.info(listOfList);
        log.info(longList);
        log.info(listOfList.get(0));
{code}

I display the console output in Eclipse.  When I switched to output to a fi=
le instead, there was no issue.  Maybe the problem is with the console (in =
this case Eclipse console) itself as opposed to the logger or console loggi=
ng in general?

> Logging of nested list uses incorrect charset
> ---------------------------------------------
>
>                 Key: LOG4J2-518
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-518
>             Project: Log4j 2
>          Issue Type: Bug
>          Components: Appenders, Layouts
>    Affects Versions: 2.0-beta9
>         Environment: Windows 7
>            Reporter: Brian
>            Priority: Minor
>              Labels: list, utf-8
>
> When I log a list that contains UTF-8 (japanese characters) it works fine=
 and displays correctly in the console.  However, when this list is nested =
in another list, it displays boxes with question marks.  When I copy and pa=
ste these characters elsewhere they display correctly.
> E.g.:
>    LOG.info("Data columns: ");
>    LOG.info(dataColumns);
> gives:
>    INFO c.m.s.r.t.f.d.ListDataLoaderTest [main] [[phrase, phrase, phrase,=
 phrase, phrase ??????, phrase, ??????????, ...
> (where "?" are surrounded by boxes in my actual console output)
>        =20
> But:
>    LOG.info("Phrases: ");
>    LOG.info(dataColumns.get(0));
> gives:
>    [phrase, phrase, phrase, phrase, phrase =E3=83=A2=E3=83=BC=E3=82=BF=E3=
=83=BC=E5=88=B6=E5=BE=A1, phrase, =E3=83=9D=E3=83=83=E3=83=97=E3=82=A2=E3=
=83=83=E3=83=97=E3=83=A1=E3=83=8B=E3=83=A5=E3=83=BC,=20
> (i.e., the correct Japanese).
> Appender used:
> {code:xml}
>    <Console name=3D"Console" target=3D"SYSTEM_OUT">
>       <PatternLayout>
>          <pattern>%p %C{1.} [%t] %m%n</pattern>
>          <charset>UTF-8</charset>
>       </PatternLayout>
>    </Console>
> {code}



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