From: | Dave Cramer <pg(at)fastcrypt(dot)com> |
---|---|
To: | Rob Sargent <robjsargent(at)gmail(dot)com> |
Cc: | "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: loading jdbc Driver in servlet |
Date: | 2018-12-16 16:30:43 |
Message-ID: | CADK3HHLOkkO0sid73E_peieeJyeXNMmA8wXyf_PH04pkJENa1w@mail.gmail.com |
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Thread: | |
Lists: | pgsql-general |
My guess is it has something to do with your servlet classpath loader.
Which servlet engine are you using ?
Dave Cramer
davec(at)postgresintl(dot)com
www.postgresintl.com
On Fri, 14 Dec 2018 at 16:04, Rob Sargent <robjsargent(at)gmail(dot)com> wrote:
>
>
> On Dec 14, 2018, at 2:02 PM, Rob Sargent <robjsargent(at)gmail(dot)com> wrote:
>
>
>
> On Dec 14, 2018, at 1:30 PM, Dave Cramer <pg(at)fastcrypt(dot)com> wrote:
>
> Strange, I wouldn't think so, but then I haven't used a raw servlet for so
> long I have no idea.
>
>
> Dave Cramer
>
> davec(at)postgresintl(dot)com
> www.postgresintl.com
>
>
> On Fri, 14 Dec 2018 at 13:29, Rob Sargent <robjsargent(at)gmail(dot)com> wrote:
>
>> Using java 1.8, postgresql-42.1.4.jar, embedded tomcat 9
>>
>> It appears to me that I need to make the call
>> "Class.forName("org.postgresql.Driver)" when the entry is in a servlet. Is
>> this expected, within a servlet, or is this just *post hoc ergo propter
>> hoc *at it finest and I changed something else (wittingly or not). Same
>> code outside of servlet does not need the forced loading of the class and
>> the manual claims it's not need after java 1.6
>>
> I too am suspicious. But the vagaries of javax are daunting.
> But if I comment it out, as just now, “No suitable driver found...”. I
> was days playing with configuration and such think that this very specific
> error message was telling me my CLASSPATH was wrong.
>
> I wonder if I have an old javax installation (which I put in place just
> recently).
>
>
> I’m using javax.servlet-api-3.1.0.jar
>
>
>
>
>
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