tomcat-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From e e <dade...@gmail.com>
Subject Re: URLStreamHandlerFactory
Date Thu, 17 Jan 2013 14:02:16 GMT
Can anyone please provide me this information please..... Sorry for being
persistent!!

I am still not clear why a URLStreamHandlerFactory is required for JNDI!!!
I thought Context.lookup() is what the web-apps will do! Why would the
web-apps want to use a new URL("jndi://...."); Where/why does tomcat have
to use jndi URLs to fetch resources??

Can you please elaborate on "It is because Tomcat uses "jndi://..." for
handling web application resources".

Sriram.



On Wed, Jan 16, 2013 at 1:50 PM, e e <daderam@gmail.com> wrote:

>
> Thanks for the response. I will move to Tomcat-7.
> But, I am still not clear why a URLStreamHandlerFactory is required for
> JNDI!!!
> I thought Context.lookup() is what the web-apps will do! Why would the
> web-apps want to use a new URL("jndi://...."); Where/why does tomcat have
> to use jndi URLs to fetch resources??
>
> Can you please elaborate on "It is because Tomcat uses "jndi://..." for
> handling web application resources".
>
> Sriram.
>
>
>
>
> On Wed, Jan 16, 2013 at 1:18 AM, Mark Thomas <markt@apache.org> wrote:
>
>> On 15/01/2013 19:09, Christopher Schultz wrote:
>> > Sriram,
>> >
>> > On 1/15/13 12:50 PM, e e wrote:
>> >> [I a]m trying to understand why WebAppLoader does a
>> >> URL.setURLStreamHandlerFactory().
>> >
>> > Presumably, it's important to handle URLs in a custom way for web
>> > applications.
>>
>> No. It is because Tomcat uses "jndi://..." for handling web
>> application resources.
>>
>> >> I see that a protocol handler is being set for "jndi://"
>> >> protocol. Our apps' do NOT use JNDI urls. I believe tomcat 6 has
>> >> NOT used the jndi url anywhere in its codebase.
>>
>> Wrong. See above.
>>
>> > Tomcat includes a lightweight JNDI that can be used for things like
>> > JDBC DataSources. So, if you configure a DataSource, your webapp
>> > will be able to fetch it using JNDI.
>>
>> Irrelevant to this issue.
>>
>> >> What [features] in tomcat will get affected if I set my factory
>> >> before tomcat sets it[?] ([note:] Factory can be set only once).
>> >> - What [features] will I lose if I set my factory[?]
>>
>> Pretty much everything.
>>
>> >> - I cannot change the webapp's code to use the overloaded
>> >> java.net.URL() which takes a URLStreamHandler as an argument.
>> >> (Will require code changes across 50 applications) - I cannot
>> >> set the "*java.protocol.handler.pkgs*" as these classes must be
>> >> present in the system classpath. (Classloader hierarchy of our
>> >> app-server makes it difficult) (We run tomcat as one of the
>> >> components in our server) (Similar to any j2ee server)
>>
>> You need to use Tomcat 7.
>> See https://issues.apache.org/bugzilla/show_bug.cgi?id=26701
>>
>> Mark
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org
>> For additional commands, e-mail: users-help@tomcat.apache.org
>>
>>
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message