[logback-dev] [JIRA] Commented: (LBCLASSIC-180) XML/HTML tags haven't get escaped in HTMLLayout

Vladislav Rastrusny (JIRA) noreply-jira at qos.ch
Sun May 8 23:41:51 CEST 2011

    [ http://jira.qos.ch/browse/LBCLASSIC-180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12010#action_12010 ] 

Vladislav Rastrusny commented on LBCLASSIC-180:

Hey, guys? 

The bug is opened for a year already ;)

> XML/HTML tags haven't get escaped in HTMLLayout
> -----------------------------------------------
>                 Key: LBCLASSIC-180
>                 URL: http://jira.qos.ch/browse/LBCLASSIC-180
>             Project: logback-classic
>          Issue Type: Bug
>          Components: layout
>    Affects Versions: 0.9.18
>         Environment: Linux (Ubuntu), JavaSE 1.6
>            Reporter: Xu Hui Hui
>            Assignee: Ceki Gulcu
> View it here for a better looking: http://stackoverflow.com/questions/2069135/how-to-make-xml-get-escaped-in-htmllayout-of-logback
> I'm using logback (with slf4j) to do the logging, and I've got many XML content to be logged in both text files and HTML files (with HTMLLayout). However, logback just inserts the raw XML in the <TD> tags for the HTMLLayout, without any escaping or <pre> processing.
> Here is the snippet of my logback.xml:
> <appender name="ALL" class="ch.qos.logback.core.rolling.RollingFileAppender">     
> <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
>   <FileNamePattern>${DIR_ALL}/%d{yyyy-MM-dd}.%i.html</FileNamePattern>
>   <TimeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
>     <MaxFileSize>500KB</MaxFileSize>
>   </TimeBasedFileNamingAndTriggeringPolicy>
> </rollingPolicy>
> <layout class="ch.qos.logback.classic.html.HTMLLayout">
>   <pattern>%d{HH:mm:ss.SSS}%logger{1}%msg</pattern>
>   <cssBuilder class="ch.qos.logback.classic.html.UrlCssBuilder">
>     <url>${CSS_HREF}</url>
>   </cssBuilder>
>   <title>Logs (ALL)</title>
> </layout>
> And the following is what I got:
> <td class="Message">(DemoCall) parsing response failed. Details:
> <call><action>getmessage</action></call> 
> </td> 
> What I'm expecting:
> <td class="Message">(DemoCall) parsing response failed. Details:
> &lt;call&gt;&lt;action&gt;getmessage&lt;/action&gt;&lt;/call&gt;
> </td>
> Or better wrap the above message with a <pre> tag. Do I need to extend the HTMLLayout to archive that? Or is it my job to do a StringEscapeUtils.escapeHTML(msg) for each log statement (I'm not going to do that, since there also is a file appender for which the escaping is not needed).
> Thanks!

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