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https://issues.apache.org/jira/browse/DOXIA-554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15906308#comment-15906308
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Marc Campbell commented on DOXIA-554:
-------------------------------------
[~vsch] The following can be added to
"doxia-modules/doxia-module-markdown/pom.xml" to set the enforcer
enforceBytecodeVersion to 1.7 for the doxia-module-markdown.
{code:xml}
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-enforcer-plugin</artifactId>
<executions>
<execution>
<id>enforce-bytecode-version</id>
<goals>
<goal>enforce</goal>
</goals>
<configuration>
<rules>
<enforceBytecodeVersion>
<maxJdkVersion>1.7</maxJdkVersion>
</enforceBytecodeVersion>
</rules>
<fail>true</fail>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<!-- ... ->
{code}
I checked a build with the addition of the above code to
[https://github.com/vsch/maven-doxia]. After the enforcer
enforceBytecodeVersion is updated to maxJdkVersion 1.7, the next apparent
hurdle is licensing.
The automatic license checker {{org.apache.rat:apache-rat-plugin:0.11:check
(rat-check)}} found the licenses to be "Unapproved: 2 unknown: 2 generated: 0
approved: 8".
Two files in question appear to be ones that Vladimir, as the original code
author and copyright holder, could adjust. {{MarkdownDoxiaNodeRenderer.java}}
and {{MarkdownDoxiaExtension.java}} have:
{code:java}
/* Copyright (c) 2015-2016 Vladimir Schneider <...>, all rights reserved.
*
* This code is private property of the copyright holder and cannot be used
without
* having obtained a license or prior written permission of the of the
copyright holder.
{code}
>From the report it appears the 2 unknown licenses are also the unapproved
>licences. Building the module with the above enforcer change will provide the
>{{rat.txt}} licensing report.
> Parsing time for Markdown documents can take very long and hang site
> generation
> -------------------------------------------------------------------------------
>
> Key: DOXIA-554
> URL: https://issues.apache.org/jira/browse/DOXIA-554
> Project: Maven Doxia
> Issue Type: Bug
> Components: Module - Markdown
> Affects Versions: 1.7
> Reporter: Michael Benz
> Attachments: maven-pom-sample-pegdown-performance.zip
>
>
> The parsing time for Markdown documents can take very long and hang site
> generation when e.g. long tables are being generated.
> The author of pegdown has marked the pegdown project deprecated since
> 2016-12-14 [pegdown.org|https://github.com/sirthias/pegdown/] and advises to
> switch to [flexmark-java|https://github.com/vsch/flexmark-java].
> {quote}
> The project is essentially unmaintained with tickets piling up and crucial
> bugs not being fixed.
> pegdown's parsing performance isn't great. In some cases of pathological
> input runtime can even become exponential, which means that the parser either
> appears to "hang" completely or abort processing after a time-out.
> {quote}
> Since the parsing timeout was increased in DOXIA-498 it is now possible to
> "hang" the site creation with a longer table like the one in this example.
> In case this sample is rendered using version 3.3 of the maven site
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