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Paul,
On 6/27/2014 1:25 PM, Paul Taylor wrote:
> On 27/06/2014 19:59, Christopher Schultz wrote:
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>> Paul,
>>
>> On 6/27/14, 8:34 AM, Paul Taylor wrote:
>>> I have a simple WAR based web application that uses lucene
>>> created indexes to provide search results in a xml format, the
>>> location of the indexes (outside of the war) are referred in
>>> the web.xml.
>>>
>>> It works fine locally but I want to deploy it using Elastic
>>> Beanstalk within Amazon Webservices but for it to work I need
>>> the data files within the war, then I can allow EB to create
>>> new instances when load balancing/scaling and it will work
>>> because the data fields are included in the war at deployment
>>> time. I have checked that EB does unjar the war so that when my
>>> code comes to use the files they will be real files not still
>>> contained within the War.
>>>
>>> With that in mind where could i put the data files so they not
>>> considered by tomcat as java classes , and supplementary
>>> question how do I modify my pom file to do this with maven
>> What?
>>
>> Java won't try to load random files as .class files.
> I tried putting the files into the resources directory of my maven
> project, when I deployed the resulting war it would start (did
> previously) and opening the war found the files were added under
> WEB-INF/classes, that is what I meant. So I need to put them
> somewhere else.
>
It sounds like you're not building these within the deployed
application, but adding them at build time.
Why can't your application read the files from WEB-INF/classes with
getResourceAsStream?
We put a bunch of configuration information in our web applications.
We tend to load these up with a servlet context listener at startup,
and then make the information available via a singleton. The
information isn't changed while the application is available.
>> Are you launching Lucene from within the startup process of your
>> webapp? I don't see any support for loading Lucene indexes from
>> within a ZIP file (e.g. WAR, JAR) so you might have to bootstrap
>> the following when deploying:
>>
>> 1. Know where your files are within the WAR 2. In a
>> ServletContextListener -- perhaps the one that actually sets-up
>> Lucene -- do the following:
>>
>> a. Unpack each file of your index into ${tmpdir}/lucene (or
>> whatever) b. Configure Lucene with an IndexReader that looks at
>> ${tmpdir}/lucene
>>
>> 3. Clean-up after yourself during undeploy
>>
> Actually I don't have a startup process as such, the first user
> request will just do a search which will cause the index to be
> accessed. But perhaps a startup proces is what is what I need. The
> data files are stored in amazon s3 so perhaps i could use servlet
> init to get the s3 file and put it somewhere relative to the
> deployed app and then use.
>
> Paul
/mde/
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