https://issues.apache.org/bugzilla/show_bug.cgi?id=50085
Summary: SyslogAppender does not split stack traces correctly
Product: Log4j
Version: 1.2
Platform: PC
OS/Version: Linux
Status: NEW
Severity: major
Priority: P2
Component: Appender
AssignedTo: [email protected]
ReportedBy: [email protected]
The SyslogAppender does not seem to handle the stack traces correctly. The
symptoms are strange looking log files created by syslog. An example:
--cut--
2010-10-13T13:42:14+02:00 the.correct.hostname.com stdout WARN [http-8080-1]
a.b.c.d:
2010-10-13T13:42:14+02:00 the.correct.hostname.com
java.lang.NullPointerException
2010-10-13T13:42:14+02:00 localhost.localdomain the.correct.hostname.com at
a.b.c.d.e.f.G.h(G.java:672)
2010-10-13T13:42:14+02:00 localhost.localdomain the.correct.hostname.com at
a.b.c.d.e.f.G.h(G.java:852)
--cut--
The hostname of the first two log entries seems okay but the next ones (the
stacktrace) use localhost.localdomain which is wrong.
I guess the problem is in SyslogAppender.append which seems to handle the
layout message and the stack trace differently (the former going through
splitPacket, the latter going directly to sqw). I am not sure but it seems to
me that we need to first create the whole payload (including the stacktrace)
and then send it using splitPacket.
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