[daisy] Pointing Daisy at JAI

[Caleb Callaway]

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
> _______________________________________________
> 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
>

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