We have used the same compiler for both.
My main concern is "expected signature 41503234 but saw 00000000"
What could be the reason of signature 00000000?
This implies that no signature is generated in my case
Thanks & Regards
Ankit Singhal
Tata Consultancy Services
Mailto: singhal.ankit@xxxxxxx
Website: http://www.tcs.com
____________________________________________
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Consulting
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From: Eric Covener <covener@xxxxxxxxx>
To: users@xxxxxxxxxxxxxxxx
Date: 14-11-2018 15:58
Subject: Re: URGENT: Apache HTTP Migration from 1.3 to 2.0 UNIX Solaris
"External email. Open with Caution"
Do you use a "similar" compiler for httpd and the module?
On Wed, Nov 14, 2018 at 1:56 PM <singhal.ankit@xxxxxxx> wrote:
>
> Hi All,
>
> Thank you Rick and William for helping me out.
>
> As suggested I had use the apxs to build a module.
> Steps as follows:
>
> 1> I have commented my module and try to start the apache and it started.
>
> 2> I took the default example file that comes with httpd-2.4.34(httpd-2.4.34/modules/examples/mod_example_hooks.c) and compile it with apxs by following command:
> apxs -c mod_example_hooks.c
>
> 3> Above command automatically created a folder .libs and in this there is .so created(.libs/mod_example_hooks.so)
>
> 4> When I loaded the created module and try to start the apache then also it is giving the same error.
>
> quartz: /usr/local/apache2.4.34/conf/extra > apache2.4 start
> httpd: Syntax error on line 490 of /usr/local/apache2.4.34/conf/httpd.conf: Syntax error on line 6 of /usr/local/apache2.4.34/conf/extra/httpd-quartz.conf: API module structure 'example_hooks_module' in file /app/quartz/COMS/EAI_324/ph/http/src/.libs/mod_example_hooks.so is garbled - expected signature 41503234 but saw 00000000 - perhaps this is not an Apache module DSO, or was compiled for a different Apache version?
>
>
>
> Thanks & Regards
> Ankit Singhal
> Tata Consultancy Services
> Mailto: singhal.ankit@xxxxxxx
> Website: http://www.tcs.com
> ____________________________________________
> Experience certainty. IT Services
> Business Solutions
> Consulting
> ____________________________________________
>
>
>
>
> From: "Houser, Rick" <rick.houser@xxxxxxxxxxx>
> To: "users@xxxxxxxxxxxxxxxx" <users@xxxxxxxxxxxxxxxx>
> Date: 13-11-2018 14:40
> Subject: RE: URGENT: Apache HTTP Migration from 1.3 to 2.0 UNIX Solaris
> ________________________________
>
>
>
> "External email. Open with Caution"
>
> While that is one approach, I'm afraid it won't speed up your exercise; it is most
> direct to get 2.4 going.
>
>
> Something that will likely speed your transition is to split your task into as small of portions as possible, and tackle those one at a time from a higher level perspective. For example, if a module is doing some custom authentication, look at what’s available in 2.4 already and see if something now stock can do the job, or at least get you 90% of the way there and serve as an updated template for your code. For example, there are already modules for authentication providers like ldap, content caching, database access, etc.
>
> The time savings on the simplified troubleshooting steps are likely to be far from insignificant, and you would have the benefit of a more standardized/modern codebase. For example, get the server up and running with static content, then compile one module with apxs, get it to load, then work on the related config. Work through any issues you find with this, then move on to the next. This may be a good time to split one large config file up in many smaller ones with includes, etc. Trying to migrate an existing non-trivial site in one step is likely to be overwhelming for most, especially for a novice.
>
>
> Rick Houser
> Web Engineer
>
> From: William A Rowe Jr <wrowe@xxxxxxxxxxxxx>
> Sent: Tuesday, November 13, 2018 12:18
> To: users@xxxxxxxxxxxxxxxx
> Subject: Re: URGENT: Apache HTTP Migration from 1.3 to 2.0 UNIX Solaris
>
> EXTERNAL EMAIL
>
> On Tue, Nov 13, 2018 at 11:04 AM <singhal.ankit@xxxxxxx> wrote:
>
> Our main objective is to migrate to 2.4. Since I faced an issue while doing so, I thought it would be better to first migrate to 2.0 then to 2.2 and finally to 2.4.
>
> While that is one approach, I'm afraid it won't speed up your exercise; it is most
> direct to get 2.4 going.
>
> In 2.4 itself the error is same.
>
> The signature created turns out to be 00000000. I could not understand this part. I have gone through the internet and there are always some definite signature is available but in my case it turned out to be 0.
>
> It is not a loadable library object. Rather than fighting with cc's flags, review
> the helper utility;
>
> https://httpd.apache.org/docs/2.4/programs/apxs.html
>
> This will make your life much simpler for compiling and linking loadable modules. It retains the flags initially used for compiling httpd and modules, so that the results are consistent.
>
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