[syslog-ng] Multi-line support issue

Balazs Scheidler bazsi77 at gmail.com
Sat Aug 3 09:38:49 CEST 2013


Hi,

I have just added regexp based multiline support to the 3.5 version. Just
grab the latest master, recompile, and you'll have these options:
multi-line-mode(regexp) multi-line-prefix(...) multi-line-garbage(...)




On Mon, Jul 22, 2013 at 11:23 PM, Balazs Scheidler <bazsi77 at gmail.com>wrote:

> Sorry, I was on holiday, wo access to emails. It would be nice to see what
> exactly log4j sends to syslog-ng.
>
> Can you make a packet dump using tcpdump/wireshark?
> On Jul 12, 2013 8:16 PM, "Satish Patel" <satish.txt at gmail.com> wrote:
>
>> Tomcat7 log4j sending logs to syslog-ng. I have installed 3.5. look like
>> log4j doesn't know about white space, do you have any experience with that?
>> but in syslog-ng documents they have mention you can use multi-line-prefix
>> to solve this issue but it seem that option doesn't available in 3.5 version
>>
>>
>> On Thu, Jul 11, 2013 at 5:03 PM, Balazs Scheidler <bazsi77 at gmail.com>wrote:
>>
>>> It's abailable in the git repo, Algernon (cc) may have published
>>> binaries.
>>>
>>> For syslog(transport(udp)) you don't need this flag, as UDP supports
>>> multiline just fine. The original sender decides whether it sends the
>>> message with newlines or not. What client sends you messages?
>>>  On Jul 11, 2013 6:54 PM, "Satish Patel" <satish.txt at gmail.com> wrote:
>>>
>>>> ah!!! where do i download 3.5 OpenSource? could you please point me
>>>> out.. also in my case i am using UDP port for source so my syntex would be
>>>> like following? right?
>>>>
>>>> source s_tomcat {
>>>>         syslog( transport("udp") multi-line-mode(indented));
>>>> };
>>>>
>>>>
>>>> On Thu, Jul 11, 2013 at 12:40 PM, Balazs Scheidler <bazsi77 at gmail.com>wrote:
>>>>
>>>>> My gosh, I incorrectly remembered a number of vital details, sorry for
>>>>> that.
>>>>>
>>>>> The syntax has been changed from the flags format, it's like this:
>>>>>
>>>>> file('tomcat.log' multi-line-mode(indented));
>>>>>
>>>>> I have actually tried this one, however I have one other bad news,
>>>>> this feature missed 3.4 so it's only available in the 3.5 branch. IIRC
>>>>> Algernon already published 3.5 binaries for Debian/Ubuntu distros.
>>>>>  On Jul 11, 2013 4:22 PM, "Satish Patel" <satish.txt at gmail.com> wrote:
>>>>>
>>>>>> This is my source declaration and i have put flags which you have
>>>>>> mentioned.
>>>>>>
>>>>>> source s_tomcat {
>>>>>>         syslog( transport("udp") flags(indent-multi-line));
>>>>>> };
>>>>>>
>>>>>> I got following error when i am trying to put flags
>>>>>>
>>>>>> Error parsing afsocket, Unknown flag indent-multi-line in
>>>>>> /usr/local/syslog-ng-3.4.2/etc/syslog-ng.conf at line 54, column 33:
>>>>>>
>>>>>>         syslog( transport("udp") flags(indent-multi-line) );
>>>>>>                                        ^^^^^^^^^^^^^^^^^
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Thu, Jul 11, 2013 at 7:53 AM, Balazs Scheidler <bazsi at balabit.hu>wrote:
>>>>>>
>>>>>>>
>>>>>>> I can't see the source declaration, it must be something along the
>>>>>>> lines
>>>>>>> of:
>>>>>>>
>>>>>>> source s_tomcat {
>>>>>>>     file("/var/log/tomcat/xxx.log" flags(indent-multi-line));
>>>>>>> };
>>>>>>>
>>>>>>> On Wed, 2013-07-10 at 12:54 -0400, Satish Patel wrote:
>>>>>>> > Hi Balazs,
>>>>>>> >
>>>>>>> >
>>>>>>> > what is your thought about my config? did you see?
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> > On Mon, Jul 8, 2013 at 12:30 PM, Satish Patel <
>>>>>>> satish.txt at gmail.com>
>>>>>>> > wrote:
>>>>>>> >         This is what i have configured and no luck with it.. can
>>>>>>> you
>>>>>>> >         suggest what i am missing?
>>>>>>> >
>>>>>>> >         destination d02_tc74_log
>>>>>>> >         {
>>>>>>> file("/logs/server1/tomcat7.4/catalina_$YEAR$MONTH$DAY.log"
>>>>>>> >         template("$(indent-multi-line ${MESSAGE})\n")
>>>>>>> >         template(t_tomcatlog) owner("root") group("root")
>>>>>>> perm(0644)
>>>>>>> >         dir_perm(0755) create_dirs(yes)); };
>>>>>>> >         filter server1 { host("server1.example.com") };
>>>>>>> >         log {
>>>>>>> >           source (s_tomcat);
>>>>>>> >           filter (server1);
>>>>>>> >           filter (tomcat7_4);
>>>>>>> >           destination (d02_tc74_log);
>>>>>>> >         };
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >         On Mon, Jul 8, 2013 at 12:08 PM, Satish Patel
>>>>>>> >         <satish.txt at gmail.com> wrote:
>>>>>>> >                 How do i use indented-multi-line ? I meant where
>>>>>>> do i
>>>>>>> >                 configure it? I tried but my syslog-ng doesn't
>>>>>>> >                 recognizing this option i have syslog-ng 3.3.7
>>>>>>>  could
>>>>>>> >                 you give me example where and how do i check
>>>>>>> whether
>>>>>>> >                 it is supported or not
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >                 On Sat, Jul 6, 2013 at 2:12 AM, Balazs Scheidler
>>>>>>> >                 <bazsi77 at gmail.com> wrote:
>>>>>>> >                         This looks.like the format that should be
>>>>>>> >                         supported by indented-multi-line
>>>>>>> >
>>>>>>> >                         On Jul 5, 2013 9:33 PM, "Satish Patel"
>>>>>>> >                         <satish.txt at gmail.com> wrote:
>>>>>>> >                                 Here is my tomcat catalina.out log
>>>>>>> >                                 file sample. See there is a tab
>>>>>>> space
>>>>>>> >                                 in logs
>>>>>>> >
>>>>>>> >                                 2013-06-27 05:30:00,065
>>>>>>> >                                 [EDISN-Scheduler_Worker-2] ERROR
>>>>>>> >                                 com.example.edisn.sftp.SftpSession
>>>>>>> -
>>>>>>> >                                 Exception attempting to work with
>>>>>>> an
>>>>>>> >                                 SFTP Session: connection is closed
>>>>>>> by
>>>>>>> >                                 foreign host
>>>>>>> >                                 2013-06-27 05:30:00,066
>>>>>>> >                                 [EDISN-Scheduler_Worker-2] ERROR
>>>>>>> >                                 org.quartz.core.JobRunShell - Job
>>>>>>> >                                 EDISN.CTMS_Upload threw an
>>>>>>> unhandled
>>>>>>> >                                 Exception:
>>>>>>> >
>>>>>>> com.example.edisn.EdisnRuntimeException: Exception attempting to work with
>>>>>>> an SFTP Session: connection is closed by foreign host
>>>>>>> >                                         at
>>>>>>> >
>>>>>>> com.example.edisn.sftp.SftpSession.doSession(SftpSession.java:64)
>>>>>>> >                                         at
>>>>>>> >
>>>>>>> com.example.edisn.EdisnSession.exec(EdisnSession.java:13)
>>>>>>> >                                         at
>>>>>>> >
>>>>>>> com.example.ctms.CtmsScheduledJob.executeInternal(CtmsScheduledJob.java:27)
>>>>>>> >                                         at
>>>>>>> >
>>>>>>> org.springframework.scheduling.quartz.QuartzJobBean.execute(QuartzJobBean.java:86)
>>>>>>> >                                         at
>>>>>>> >
>>>>>>> org.quartz.core.JobRunShell.run(JobRunShell.java:202)
>>>>>>> >                                         at
>>>>>>> >                                 org.quartz.simpl.SimpleThreadPool
>>>>>>> >
>>>>>>> $WorkerThread.run(SimpleThreadPool.java:525)
>>>>>>> >                                 Caused by:
>>>>>>> >                                 com.jcraft.jsch.JSchException:
>>>>>>> >                                 connection is closed by foreign
>>>>>>> host
>>>>>>> >                                         at
>>>>>>> >
>>>>>>> com.jcraft.jsch.Session.connect(Unknown Source)
>>>>>>> >                                         at
>>>>>>> >
>>>>>>> com.jcraft.jsch.Session.connect(Unknown Source)
>>>>>>> >                                         at
>>>>>>> >
>>>>>>> com.example.edisn.sftp.SftpSession.doSession(SftpSession.java:45)
>>>>>>> >                                         ... 5 more
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >                                 On Fri, Jul 5, 2013 at 3:27 PM,
>>>>>>> Balazs
>>>>>>> >                                 Scheidler <bazsi77 at gmail.com>
>>>>>>> wrote:
>>>>>>> >                                         No, I implemented a
>>>>>>> different
>>>>>>> >                                         multiline style support
>>>>>>> first
>>>>>>> >                                         (that is not in pe), where
>>>>>>> >                                         continuation lines are
>>>>>>> >                                         indicated by indentation,
>>>>>>> like
>>>>>>> >                                         mime.
>>>>>>> >
>>>>>>> >                                         Iirc tomcat has this kind
>>>>>>> of
>>>>>>> >                                         log file. Can you show a
>>>>>>> >                                         sample log entry?
>>>>>>> >
>>>>>>> >                                         The infrastructure for
>>>>>>> >                                         multiline-prefix is also
>>>>>>> there
>>>>>>> >                                         but not added yet.
>>>>>>> >
>>>>>>> >                                         Let me see the sample, I'll
>>>>>>> >                                         tell if the current
>>>>>>> solution
>>>>>>> >                                         works or not.
>>>>>>> >
>>>>>>> >                                         On Jul 5, 2013 8:24 PM,
>>>>>>> >                                         "Satish Patel"
>>>>>>> >                                         <satish.txt at gmail.com>
>>>>>>> wrote:
>>>>>>> >                                                 Thanks for reply
>>>>>>> >                                                 Balazs,
>>>>>>> >
>>>>>>> >
>>>>>>> >                                                 You mean say this
>>>>>>> >                                                 feature is
>>>>>>> available
>>>>>>> >                                                 in Open Source
>>>>>>> Edition
>>>>>>> >                                                 (OSE) 3.4? Once
>>>>>>> after
>>>>>>> >                                                 specifying flag
>>>>>>> >
>>>>>>> "indented-multi-line"
>>>>>>> >                                                 i can use
>>>>>>> >                                                 multi-line-prefix?
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >                                                 On Fri, Jul 5,
>>>>>>> 2013 at
>>>>>>> >                                                 1:26 PM, Balazs
>>>>>>> >                                                 Scheidler
>>>>>>> >                                                 <bazsi77 at gmail.com
>>>>>>> >
>>>>>>> >                                                 wrote:
>>>>>>> >                                                         You have
>>>>>>> found
>>>>>>> >                                                         the PE
>>>>>>> >
>>>>>>> documentation
>>>>>>> >                                                         but I have
>>>>>>> >                                                         already
>>>>>>> ported
>>>>>>> >                                                         this to the
>>>>>>> >                                                         OSE tree
>>>>>>> and
>>>>>>> >                                                         has been
>>>>>>> >                                                         released as
>>>>>>> >                                                         part of
>>>>>>> 3.4.
>>>>>>> >
>>>>>>> >                                                         You have to
>>>>>>> >                                                         specify
>>>>>>> >
>>>>>>> indented-multi-line as a flag to the file source.
>>>>>>> >
>>>>>>> >                                                         On Jul 5,
>>>>>>> 2013
>>>>>>> >                                                         6:28 PM,
>>>>>>> >                                                         "Satish
>>>>>>> Patel"
>>>>>>> >                                                         <
>>>>>>> satish.txt at gmail.com> wrote:
>>>>>>> >
>>>>>>> >                                                                 We
>>>>>>> >
>>>>>>> have
>>>>>>> >
>>>>>>> tomcat
>>>>>>> >
>>>>>>> shop
>>>>>>> >
>>>>>>> and at
>>>>>>> >
>>>>>>> everyone know tomcat has a java call trace in logs with tab space but
>>>>>>> syslog-ng doesn't know about it and printing lines as a new line. I have
>>>>>>> read here syslog-ng 3.x does support multi-line logs
>>>>>>> http://www.balabit.com/sites/default/files/documents/syslog-ng-pe-4.0-guides/en/syslog-ng-pe-v4.0-guide-admin-en/html/reference_source_syslog.html
>>>>>>> >
>>>>>>> >
>>>>>>> >                                                                 But
>>>>>>> >
>>>>>>> does
>>>>>>> >
>>>>>>> this
>>>>>>> >
>>>>>>> feature available in Open Source syslog-ng? If yes then why its not working
>>>>>>> for me?
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> ______________________________________________________________________________
>>>>>>> >
>>>>>>> Member
>>>>>>> >
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>>>>>>> >
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>>>>>>> >
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>>>>>>> FAQ:
>>>>>>> >
>>>>>>> http://www.balabit.com/wiki/syslog-ng-faq
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> ______________________________________________________________________________
>>>>>>> >                                                         Member
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>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >
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>>>>>>> >
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>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >
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>>>>>>> >                                 Documentation:
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>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >
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>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> >
>>>>>>> ______________________________________________________________________________
>>>>>>> > Member info: https://lists.balabit.hu/mailman/listinfo/syslog-ng
>>>>>>> > Documentation:
>>>>>>> http://www.balabit.com/support/documentation/?product=syslog-ng
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>>>>>>> >
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
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>>>>>>> Member info: https://lists.balabit.hu/mailman/listinfo/syslog-ng
>>>>>>> Documentation:
>>>>>>> http://www.balabit.com/support/documentation/?product=syslog-ng
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>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> ______________________________________________________________________________
>>>>>> Member info: https://lists.balabit.hu/mailman/listinfo/syslog-ng
>>>>>> Documentation:
>>>>>> http://www.balabit.com/support/documentation/?product=syslog-ng
>>>>>> FAQ: http://www.balabit.com/wiki/syslog-ng-faq
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>> ______________________________________________________________________________
>>>>> Member info: https://lists.balabit.hu/mailman/listinfo/syslog-ng
>>>>> Documentation:
>>>>> http://www.balabit.com/support/documentation/?product=syslog-ng
>>>>> FAQ: http://www.balabit.com/wiki/syslog-ng-faq
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> ______________________________________________________________________________
>>>> Member info: https://lists.balabit.hu/mailman/listinfo/syslog-ng
>>>> Documentation:
>>>> http://www.balabit.com/support/documentation/?product=syslog-ng
>>>> FAQ: http://www.balabit.com/wiki/syslog-ng-faq
>>>>
>>>>
>>>>
>>>
>>> ______________________________________________________________________________
>>> Member info: https://lists.balabit.hu/mailman/listinfo/syslog-ng
>>> Documentation:
>>> http://www.balabit.com/support/documentation/?product=syslog-ng
>>> FAQ: http://www.balabit.com/wiki/syslog-ng-faq
>>>
>>>
>>>
>>
>>
>> ______________________________________________________________________________
>> Member info: https://lists.balabit.hu/mailman/listinfo/syslog-ng
>> Documentation:
>> http://www.balabit.com/support/documentation/?product=syslog-ng
>> FAQ: http://www.balabit.com/wiki/syslog-ng-faq
>>
>>
>>


-- 
Bazsi
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