[daisy] Pointing Daisy at JAI

[Caleb Callaway]

Caleb Callaway wrote:
> Andreas Deininger wrote:
>> 2007/7/4, Caleb Callaway <caleb at autometrix.com>:
>>> When trying to generate PDFs with PNG images, I'm getting a 500 error:
>>>
>>>
>>>         HTTP ERROR: 500
>>>
>>>     com/sun/media/jai/codec/FileCacheSeekableStream
>>>
>>> The log file says:
>>>
>>>     java.lang.NoClassDefFoundError:
>>>     com/sun/media/jai/codec/FileCacheSeekableStream
>>
>> There was a discussion thread on the mailing list regarding this issue
>> 5 weeks ago:
>>
>> http://lists.cocoondev.org/pipermail/daisy/2007-June/006829.html
>>
>> Maybe the information provided there can help to resolve that issue.
>>
>> Good luck!
>> Andreas
>>
>>> Obviously Daisy is not able to find JAI, but JAI *is* installed, and 
>>> the
>>> JARs are in the classpath settings of wrapper config files for both the
>>> repo and wiki. I've checked the permissions on the files--no problems
>>> there. What configuration parameter am I missing here?
>>>
>>> Thanks,
>>> -Caleb
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>>
>
> Thanks for the reply...I read through that thread, but there wasn't 
> anything there that was of use--this instance of JAI came pre-packaged 
> with SuSE, so as far as I know it's correctly installed. The PNGs 
> aren't exotic in anyway AFAIK--no progressive loading or anything. 
> Seems like I'd be getting an error other than "NoClassDefFoundError" 
> if it was an issue with advanced PNG features though.
>
> Here is the output of a jar listing:
>
>    $ jar tf /usr/java/jai-1_1_3/lib/jai_codec.jar | grep eCacheSeek
>    com/sun/media/jai/codec/FileCacheSeekableStream.class
>
> So the file definitely exists. I have the following settings in the 
> wrapper config for the Wiki:
>
>    wrapper.java.classpath.1=/usr/java/jai-1_1_3/lib/jai_core.jar
>    wrapper.java.classpath.2=/usr/java/jai-1_1_3/lib/jai_codec.jar
>
> As a side note, this issue appeared to crop up when I started running 
> the Daisy services as a restricted user. I've tried running them as 
> root again, though, and it doesn't affect anything...strange...
>
> -Caleb
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> daisy community mailing list
> Professional Daisy support: 
> http://outerthought.org/site/services/daisy/daisysupport.html
> mail to: daisy at lists.cocoondev.org
> list information: http://lists.cocoondev.org/mailman/listinfo/daisy
>
Fixed! Right after I sent the last mail I noticed there was another 
wrapper.java.classpath section in the config file that was over-riding 
the jars I'd added. Integrating the two sections and restarting the wiki 
solved the problem.

Thanks again,
-Caleb