'Re: Unable to start application'

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List:       tomcat-user
Subject:    Re: Unable to start application
From:       "John Dale (DB2DOM)" <jcdwrrc () gmail ! com>
Date:       2023-03-21 17:48:40
Message-ID: CAN9Wfx3Ei9OJ=NHA7vYdUcMh0gag8qx0jsTjHpFS4pUo9xcakw () mail ! gmail ! com
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"WTH" - holy heck!  :D

Polymorphism, abstraction of interfaces .. standar OO, but definitely
not kids stuff to get everything to spec/standard (including the SQL
or proc invocations)!

:)

JDBC has been a very good interface despite/after O/R M challenges met.

Sysadmin is my second language to database design and JSON morphism.


On 3/21/23, Christopher Schultz <chris@christopherschultz.net> wrote:
> Kevin,
>
> On 3/20/23 20:12, Kevin Huntly wrote:
>> I actually fixed (well, figured out) the MySQL problem - it looks like
>> it's
>> hard coded to a 2048b DH key, but I configured my servers for CIS level 2
>> which wants a minimum 3072. I can update the openssl config to utilize a
>> lower security level and it works just fine.
>
> When you say "hard coded" what exactly do you mean? You can change the
> key+cert at any time.
>
>> I don't want to do that, but I don't want to have a nonsecure instance
>> either. so im probably going to go with an ssh tunnel since this is just
>> dev and it won't be going to production (our prod is db2)
>
> Sounds like:
> 1. This is dev, so you should fix your key+cert instead of hacking stunnel
> 2. You are using different databases in different environments. WTH?
>
> -chris
>
>> On Mon, Mar 20, 2023, 20:09 Christopher Schultz <
>> chris@christopherschultz.net> wrote:
>>
>>> Kevin,
>>>
>>> On 3/18/23 19:04, Kevin Huntly wrote:
>>>> I can't use tomcat 10 because of the switch to jakarta for the servlet
>>>> container - I'd have to rewrite a lot of code. That being said, I got
>>>> it
>>>> fixed:
>>>>
>>>> All JDBC and JNDI lookups were prefixed with "java:comp/env/" and
>>>> things
>>>> worked. Clearly, IBM's WebSphere does this for you, since that's
>>> primarily
>>>> what I develop against...
>>>
>>> I had to read the whole thread to find this ^^^. You are correct, Tomcat
>>> gives you an initial context that is rooted at, well, the root of the
>>> JNDI tree. IMHO any product that locks you into java:comp/env is doing
>>> you a disservice.
>>>
>>> It wasn't clear to me whether you were using Tomcat's "global naming
>>> resources" or per-context resources. Your posted snippets have all
>>> expired so I couldn't look at them.
>>>
>>> But it looks like you have everything working, so ... great!
>>>
>>> You mentioned having a MySQL/MariaDB admin question. Please post that
>>> separately (different thread, different subject) and annotate it with a
>>> "[OT]" prefix to indicate that it's off-topic. We may have answers for
>>> you (I know a lot about MySQL/MariaDB) but this isn't the "correct"
>>> forum for such questions, hence the "off-topic" moniker.
>>>
>>> -chris
>>>
>>>> ________________________________________________
>>>>
>>>> Kevin Huntly
>>>> Email: kmhuntly@gmail.com
>>>> Cell: 716/424-3311
>>>> ________________________________________________
>>>>
>>>> -----BEGIN GEEK CODE BLOCK-----
>>>> Version: 1.0
>>>> GCS/IT d+ s a C++ UL+++$ P+(++) L+++ E---
>>>> W+++ N+ o K(+) w--- O- M-- V-- PS+ PE Y(+)
>>>> PGP++(+++) t+ 5-- X-- R+ tv+ b++  DI++ D++
>>>> G++ e(+) h--- r+++ y+++*
>>>> ------END GEEK CODE BLOCK------
>>>>
>>>>
>>>> On Sat, Mar 18, 2023 at 6:31 PM John Dale (DB2DOM) <jcdwrrc@gmail.com>
>>>> wrote:
>>>>
>>>>> Here's what I use for development:
>>>>>
>>>>> apache-tomcat-10.0.6
>>>>>
>>>>> java --version
>>>>> openjdk 11.0.9.1 2020-11-04
>>>>> OpenJDK Runtime Environment (build 11.0.9.1+1-post-Raspbian-1deb10u2)
>>>>> OpenJDK Server VM (build 11.0.9.1+1-post-Raspbian-1deb10u2, mixed
>>>>> mode)
>>>>>
>>>>> I have tremendous success running this combination.
>>>>>
>>>>> For production ..
>>>>>
>>>>> Raspbian flows through to ubuntu/debian with practically no issues
>>>>> except Pi has a problem with ipchainining and NAT.
>>>>>
>>>>> Start firing away to jcdwrrc@gmail.com with questions regarding MySQL.
>>>>>
>>>>> I'll do what I can.
>>>>>
>>>>> John
>>>>>
>>>>>
>>>>> On 3/18/23, Kevin Huntly <kmhuntly@gmail.com> wrote:
>>>>>> Hey Everyone,
>>>>>>
>>>>>> Is this possibly happening because I'm using JDK19 and not 8 or 9?
>>>>>> ________________________________________________
>>>>>>
>>>>>> Kevin Huntly
>>>>>> Email: kmhuntly@gmail.com
>>>>>> Cell: 716/424-3311
>>>>>> ________________________________________________
>>>>>>
>>>>>> -----BEGIN GEEK CODE BLOCK-----
>>>>>> Version: 1.0
>>>>>> GCS/IT d+ s a C++ UL+++$ P+(++) L+++ E---
>>>>>> W+++ N+ o K(+) w--- O- M-- V-- PS+ PE Y(+)
>>>>>> PGP++(+++) t+ 5-- X-- R+ tv+ b++  DI++ D++
>>>>>> G++ e(+) h--- r+++ y+++*
>>>>>> ------END GEEK CODE BLOCK------
>>>>>>
>>>>>>
>>>>>> On Sat, Mar 18, 2023 at 5:10 PM Kevin Huntly <kmhuntly@gmail.com>
>>> wrote:
>>>>>>
>>>>>>> Hey John - if you're out there can you email me direct? I have a
>>>>>>> MySQL
>>>>>>> admin question if you have the time and the inclination
>>>>>>> ________________________________________________
>>>>>>>
>>>>>>> Kevin Huntly
>>>>>>> Email: kmhuntly@gmail.com
>>>>>>> Cell: 716/424-3311
>>>>>>> ________________________________________________
>>>>>>>
>>>>>>> -----BEGIN GEEK CODE BLOCK-----
>>>>>>> Version: 1.0
>>>>>>> GCS/IT d+ s a C++ UL+++$ P+(++) L+++ E---
>>>>>>> W+++ N+ o K(+) w--- O- M-- V-- PS+ PE Y(+)
>>>>>>> PGP++(+++) t+ 5-- X-- R+ tv+ b++  DI++ D++
>>>>>>> G++ e(+) h--- r+++ y+++*
>>>>>>> ------END GEEK CODE BLOCK------
>>>>>>>
>>>>>>>
>>>>>>> On Sat, Mar 18, 2023 at 1:40 PM Kevin Huntly <kmhuntly@gmail.com>
>>>>> wrote:
>>>>>>>
>>>>>>>> any other ideas guys? I want to migrate a bunch of really awful
>>>>>>>> apps
>>>>> off
>>>>>>>> our primary application server so they don't cause us headaches
>>>>> anymore.
>>>>>>>> if
>>>>>>>> I can't get one app working I have no hope of getting others to
>>>>>>>> work
>>>>> lol
>>>>>>>>
>>>>>>>> On Sat, Mar 18, 2023, 09:16 John Dale (DB2DOM) <jcdwrrc@gmail.com>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> Thanks Mark - are statics reloaded now, too?
>>>>>>>>>
>>>>>>>>> I touch web.xml and it's reloaded successfully hundreds of times.
>>>>>>>>>
>>>>>>>>> But I don't use war files so I can use git to version and transfer
>>> my
>>>>>>>>> builds ... maybe that's the reason?
>>>>>>>>>
>>>>>>>>> John
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On 3/18/23, Mark Thomas <markt@apache.org> wrote:
>>>>>>>>>> On 17/03/2023 23:18, John Dale (DB2DOM) wrote:
>>>>>>>>>>> ok - "mnet" should be "ment"
>>>>>>>>>>
>>>>>>>>>>    From the logs excerpt I saw earlier in the thread, that needs
>>>>> fixing
>>>>>>>>>> (although it was only a test element). I don't think it will
>>>>>>>>>> break
>>>>>>>>>> anything else but better to remove the noise from the logs.
>>>>>>>>>>
>>>>>>>>>>> I figured I'd spell that out and behave like a compiler.  :)
>>>>>>>>>>>
>>>>>>>>>>> I would also move that configuration into server.xml (it's a
>>>>>>>>>>> major
>>>>>>>>>>> difference between your configuration and mine).
>>>>>>>>>>
>>>>>>>>>> That configuration style is NOT recommended. It means you have no
>>>>>>>>> choice
>>>>>>>>>> but to restart Tomcat if you change the Context configuration. If
>>> it
>>>>>>>>>> is
>>>>>>>>>> in a separate Context file, Tomcat will reload the web
>>>>>>>>>> application
>>>>>>>>>> automatically if you change the Context file.
>>>>>>>>>>
>>>>>>>>>> Stick with:
>>>>>>>>>>
>>>>>>>>>
>>>>>
>>> /opt/Apache/Tomcat/apache-tomcat-9.0.73/conf/Catalina/localhost/esolutions.xml
>>>>>>>>>>
>>>>>>>>>> Do NOT specify a path attribute for the Context. It will be
>>> ignored.
>>>>>>>>>>
>>>>>>>>>> Where is the JDBC driver located? It needs to be in
>>>>>>>>> ${CATALINA_BASE}/lib
>>>>>>>>>> and not part of the WAR.
>>>>>>>>>>
>>>>>>>>>> Can we see the full logs from a clean start-up please?
>>>>>>>>>>
>>>>>>>>>> Mark
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> Lastly, maybe to help debug a future issue, did you compile your
>>>>>>>>>>> project files against the tomcat libs included with your
>>>>>>>>>>> distribution,
>>>>>>>>>>> or did you drop them into this version of tomcat from another
>>>>>>>>>>> version?
>>>>>>>>>>>     Probably won't matter since you should be coded to the
>>>>> interfaces,
>>>>>>>>>>> but one never knows.
>>>>>>>>>>>
>>>>>>>>>>> John
>>>>>>>>>>>
>>>>>>>>>>> On 3/17/23, Kevin Huntly <kmhuntly@gmail.com> wrote:
>>>>>>>>>>>> no I think it has something to do with it but I'm not sure.
>>>>>>>>>>>> I'll
>>>>>>>>>>>> try
>>>>>>>>>>>> taking
>>>>>>>>>>>> out the environment values and see what happens
>>>>>>>>>>>>
>>>>>>>>>>>> On Fri, Mar 17, 2023, 19:11 John Dale (DB2DOM) <
>>> jcdwrrc@gmail.com
>>>>>>
>>>>>>>>>>>> wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>> In the log you sent below, I see a typo:
>>>>>>>>>>>>> Context/Environmnet
>>>>>>>>>>>>>
>>>>>>>>>>>>> Does that have something to do with it, or is this a typo in
>>>>>>>>>>>>> tomcat
>>>>>>>>>>>>> logging?
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> On 3/17/23, Kevin Huntly <kmhuntly@gmail.com> wrote:
>>>>>>>>>>>>>> yes, under Catalina/localhost
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> On Fri, Mar 17, 2023, 19:07 John Dale (DB2DOM)
>>>>>>>>>>>>>> <jcdwrrc@gmail.com>
>>>>>>>>>>>>> wrote:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Are you modifying a context.xml file in the conf folder?
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> On 3/17/23, Kevin Huntly <kmhuntly@gmail.com> wrote:
>>>>>>>>>>>>>>>> Also of note:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> 17-Mar-2023 17:25:42.113 INFO [main]
>>>>>>>>>>>>>>>> org.apache.catalina.startup.HostConfig.deployDescriptor
>>>>>>>>>>>>>>>> Deploying
>>>>>>>>>>>>>>>> deployment descriptor
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>
>>>>>
>>> [/opt/Apache/Tomcat/apache-tomcat-9.0.73/conf/Catalina/localhost/esolutions.xml]
>>>>>>>>>>>>>>>> 17-Mar-2023 17:25:42.174 WARNING [main]
>>>>>>>>>>>>>>>> org.apache.tomcat.util.digester.Digester.endElement No
>>>>>>>>>>>>>>>> rules
>>>>>>>>> found
>>>>>>>>>>>>>>> matching
>>>>>>>>>>>>>>>> [Context/Environmnet]
>>>>>>>>>>>>>>>> ________________________________________________
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Kevin Huntly
>>>>>>>>>>>>>>>> Email: kmhuntly@gmail.com
>>>>>>>>>>>>>>>> Cell: 716/424-3311
>>>>>>>>>>>>>>>> ________________________________________________
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> -----BEGIN GEEK CODE BLOCK-----
>>>>>>>>>>>>>>>> Version: 1.0
>>>>>>>>>>>>>>>> GCS/IT d+ s a C++ UL+++$ P+(++) L+++ E---
>>>>>>>>>>>>>>>> W+++ N+ o K(+) w--- O- M-- V-- PS+ PE Y(+)
>>>>>>>>>>>>>>>> PGP++(+++) t+ 5-- X-- R+ tv+ b++  DI++ D++
>>>>>>>>>>>>>>>> G++ e(+) h--- r+++ y+++*
>>>>>>>>>>>>>>>> ------END GEEK CODE BLOCK------
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> On Fri, Mar 17, 2023 at 5:24 PM Kevin Huntly
>>>>>>>>>>>>>>>> <kmhuntly@gmail.com
>>>>>>>>>>
>>>>>>>>>>>>>>>> wrote:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Here's my santized server.xml and context.xml
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> server.xml -> https://pastebin.com/Bj6Wh0qU
>>>>>>>>>>>>>>>>> context.xml -> https://pastebin.com/Z3dBf3eK
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>
>>> ---------------------------------------------------------------------
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>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>
>>> ---------------------------------------------------------------------
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>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
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>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
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>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
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>>>>>>>>>
>>>>>>
>>>>>
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>>>>>
>>>>>
>>>>
>>>
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>>>
>>
>
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