[logback-dev] [JIRA] Commented: (LBCLASSIC-146) SysLog Appender and Line Breaks = :(

[Ralph Goers (JIRA)]

    [ http://jira.qos.ch/browse/LBCLASSIC-146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12081#action_12081 ] 

Ralph Goers commented on LBCLASSIC-146:
---------------------------------------

There are two variations on the syslog specification. RFC 3164 is the original 'BSD' syslog spec and can be found at http://tools.ietf.org/html/rfc3164. It explicitly states that only printable characters and spaces are allowed.  

RFC 5424 is the new syslog spec and can be found at http://tools.ietf.org/html/rfc5424. This specification is much more extensive. It specifies this about the message portion:

"The syslog application SHOULD avoid octet values below 32 (the traditional US-ASCII control character range except DEL).  These values are legal, but a syslog application MAY modify these characters upon reception.  For example, it might change them into an escape sequence (e.g., value 0 may be changed to "\0").  A syslog application SHOULD NOT modify any other octet values."

Logback does not support RFC 5424.

> SysLog Appender and Line Breaks  =  :(
> --------------------------------------
>
>                 Key: LBCLASSIC-146
>                 URL: http://jira.qos.ch/browse/LBCLASSIC-146
>             Project: logback-classic
>          Issue Type: Bug
>          Components: appender
>         Environment: Debian 4 Etch, 64 Bit (most likely all enviroments)
>            Reporter: Ingo Siebert
>            Assignee: Logback dev list
>
> I'm using the SysLog appender and it works well.
> But I've problems with line breaks, especially for exceptions. Every strack trace line is written as new SysLog-Entry. Example:
> Aug 11 20:25:21 192.168.33.11 app2-cas org.osgi.framework.BundleException: The bundle class path entry "patch.jar"..."
> Aug 11 20:25:21 192.168.33.11 app2-cas ^Iat org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findClassPathEntry(ClasspathManager.java:168)
> Aug 11 20:25:21 192.168.33.11 app2-cas ^Iat org.eclipse.osgi.baseadaptor.loader.ClasspathManager.buildClasspath(ClasspathManager.java:145)
> Aug 11 20:25:21 192.168.33.11 app2-cas ^Iat org.eclipse.osgi.baseadaptor.loader.ClasspathManager.initialize(ClasspathManager.java:79)
> ...
> That's quire annoying if you want to filter or highlight entries.
> I think it's major, because there isn't a good workaround to filter/highlight syslog files.
> I'm using Logback 0.9.13, but I thinks it still exists in the trunk.

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