[jbosstools-issues] [JBoss JIRA] Commented: (JBIDE-4686) "Server returned HTTP response code: 503" warning during HTML/XHTML validation

[Max Rydahl Andersen (JIRA)]

    [ https://jira.jboss.org/jira/browse/JBIDE-4686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12478324#action_12478324 ] 

Max Rydahl Andersen commented on JBIDE-4686:
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Is that dtd not listed in the xml catalog under preferences ? Eclipse caches these and we add a good bunch in there too.

Plus even if we did it would never generate excessive traffic unless you are opening 100's of documents everyminute ?

unless of course we somehow have a bad piece of code that reads the xhtml without using that catalog....but that would be weird since this is the first time ive seen this error in the 2 years we have had validation....

Does your error have any stacktrace so we might spot what code is causing it ?


> "Server returned HTTP response code: 503" warning during HTML/XHTML validation
> ------------------------------------------------------------------------------
>
>                 Key: JBIDE-4686
>                 URL: https://jira.jboss.org/jira/browse/JBIDE-4686
>             Project: Tools (JBoss Tools)
>          Issue Type: Bug
>    Affects Versions: 3.1.0.M2
>            Reporter: Alex Savitsky
>            Priority: Minor
>
> All HTML/XHTML files are validated with a warning "Server returned HTTP response code: 503 for URL: http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd". W3C site (the one that hosts the referenced XHTML/HTML DTDs) has the following explanation: http://www.w3.org/blog/systeam/2008/02/08/w3c_s_excessive_dtd_traffic. Basically, they now block IPs for machines that request their DTDs too often, and recommend to cache the DTD instead of requesting it every time. Apparently, the JBoss Tools validator is one of the affected ones.
> The solution is simple - please cache the DTDs, given that they're highly unlikely to EVER change.
> Upd: affects M2 version of JBoss Tools as well, not just M1

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