All htmlpublisher links no longer work.

Relevant console output:
[htmlpublisher] Archiving HTML reports...
[htmlpublisher] Archiving at BUILD level /var/lib/jenkins/jobs/viper/workspace/build/api to /var/lib/jenkins/jobs/viper/builds/2013-09-03_18-31-39/htmlreports/API_Documentation
[htmlpublisher] Archiving at BUILD level /var/lib/jenkins/jobs/viper/workspace/build/code-browser to /var/lib/jenkins/jobs/viper/builds/2013-09-03_18-31-39/htmlreports/Code_Browser
[htmlpublisher] Archiving at BUILD level /var/lib/jenkins/jobs/viper/workspace/build/jsdoc to /var/lib/jenkins/jobs/viper/builds/2013-09-03_18-31-39/htmlreports/JSDoc_API_Report

Relevant chunk of config.xml:

<htmlpublisher.HtmlPublisher plugin="htmlpublisher@1.2">
<reportTargets>
<htmlpublisher.HtmlPublisherTarget>
<reportName>API Documentation</reportName>
<reportDir>build/api/</reportDir>
<reportFiles>index.xhtml</reportFiles>
<keepAll>true</keepAll>
<wrapperName>htmlpublisher-wrapper.html</wrapperName>
</htmlpublisher.HtmlPublisherTarget>
<htmlpublisher.HtmlPublisherTarget>
<reportName>Code Browser</reportName>
<reportDir>build/code-browser/</reportDir>
<reportFiles>index.html</reportFiles>
<keepAll>true</keepAll>
<wrapperName>htmlpublisher-wrapper.html</wrapperName>
</htmlpublisher.HtmlPublisherTarget>
<htmlpublisher.HtmlPublisherTarget>
<reportName>JSDoc API Report</reportName>
<reportDir>build/jsdoc/</reportDir>
<reportFiles>index.html</reportFiles>
<keepAll>true</keepAll>
<wrapperName>htmlpublisher-wrapper.html</wrapperName>
</htmlpublisher.HtmlPublisherTarget>
</reportTargets>
</htmlpublisher.HtmlPublisher>

All links in either the job or the build go to the appropriate URL which is now a "Status Code 404" page.