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https://issues.apache.org/jira/browse/LOG4J2-518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13884302#comment-13884302
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Brian commented on LOG4J2-518:
------------------------------
I am able to reproduce it with your code, after a slight modification. I found
the list has to be a certain length before this happens. I.e., just using your
code it does not happen, but once I make it 40 times longer with the same
strings, it does:
{code}
Logger log = LogManager.getLogger(PatternTestUTF8.class);
List<String> list = Arrays.asList("a", "hello \u65e5\u672c\u8a9e", "b",
"\u30c6\u30b9\u30c8", "c", "\u6f22\u5b57");
List<String> longList = new ArrayList<String>();
for (int i =0; i < 40; i++){
longList.addAll(list);
}
List<List<String>> listOfList = 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 file
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 logging 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 paste
> 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)
>
> But:
> LOG.info("Phrases: ");
> LOG.info(dataColumns.get(0));
> gives:
> [phrase, phrase, phrase, phrase, phrase モーター制御, phrase, ポップアップメニュー,
> (i.e., the correct Japanese).
> Appender used:
> {code:xml}
> <Console name="Console" target="SYSTEM_OUT">
> <PatternLayout>
> <pattern>%p %C{1.} [%t] %m%n</pattern>
> <charset>UTF-8</charset>
> </PatternLayout>
> </Console>
> {code}
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