Mika Riekkinen created LOG4J2-939:
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Summary: end of line not handled correctly by ThrowableProxy
Key: LOG4J2-939
URL: https://issues.apache.org/jira/browse/LOG4J2-939
Project: Log4j 2
Issue Type: Bug
Components: Core
Affects Versions: 2.1
Environment: Windows 7
Reporter: Mika Riekkinen
Priority: Minor
Noticed that EOL is not handled correctly on stacktraces. If a logfile is
opened with notepad, stacktraces are all printed on one line only, wihtout
linebreaks after each stacktrace element.
Made some digging, and indeed there seems to be some inconsistency how EOL is
handled.
ExtendedThrowablePatternConverter uses Constants.LINE_SEPARATOR to split
stacktrace into lines:
final String[] array = trace.split(Constants.LINE_SEPARATOR);
But a ThrowableProxy, that generates the trace above uses hardocoded
'\n' character throughout the source code.
Compiled a new version of ThrowableProxy, where each '\n' is replaced
with Constants.LINE_SEPARATOR, and stacktraces started to work ok.
I also had to change ExtendedThrowablePatternConverterTest, so that
generation of expected variable does not strip '\r' character:
final String expected = sw.toString();//.replaceAll("\r", Strings.EMPTY);
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