Re: Cannot load library *.so undefined symbol error

Would like to add to Karl's list of questions.
5) the Registration mof for the provider.

At the same time, it seems that the provider code has typo
*_ZTV26CIMSoftwareIdentityBuldier,*

*May be Subhra can check the code if it is really *Buidier or Builder. *



On Fri, Apr 11, 2014 at 9:02 PM, Johnny Hwang <[email protected]> wrote:

>  Karl got most of the tips. You can also try setting LD_LIBRARY_PATH and
> see if that does any good.
>
>
>  Sent via the Samsung Galaxy S(tm) III, an AT&T 4G LTE smartphone
>
>
>
> -------- Original message --------
> From: Karl Schopmeyer <[email protected]>
> Date:
> To: shubhra garg <[email protected]>,Johnny Hwang <
> [email protected]>,[email protected],[email protected]
> Subject: Re: Cannot load library *.so undefined symbol error
>
>
>  We need more information here.  It is clear that, however you are
> building, the resulting shared library has symbol problems and cannot
> resolve those symbols when it is loaded by OpenPegasus.  The errors
> themselves are probably coming from the loader when it
> tries to load the shared library as a provider. Pegasus is largely just
> interpreting information that is being returned by the loader.
>
> Obviously, at least the symbol *CIMSoftwareIdentityBuldier *is expected
> to be linked as part of the load and it does not exist
>
> By the way, did you mean to have Builder mispelled as buldier???
>
> Some questions:
> 1. OS your are building on
> 2. Tools you use to build your provider.
> 3. Language you are writing provider in and interface uses (C++, CMPI,
> etc.).
> 4. Compiler used and the cmd line options with which you are compiling the
> library.
>
> It is hard to dig to deep without looking further are your code and
> exactly what the environment is.
>
> There should be no problems in this are with OpenPegasus so lets leave
> that out.  Loading providers has been
>
> In general, I suggest that restart with very basic provider version that
> copies some other providercode that uses same tools compiler, etc. but does
> almost nothing, just loads.  It could even just return NOT_SUPPORTED for
> every function.  This will confirm that you
> can get the basics to load and with your provider name, etc.
>
> So rather than try to debug this code itself, recreate just the very
> basics of the provider and make  that successfully load.  No matter
> which of the above options you use, there should be an example you could
> borrow and create the basics in a couple of hours.
>
> Then go back to your provider and fix it up to match what does load but
> with the full set of provider app.
>
> Karl
>
> On4/11/2014 06:34 AM, shubhra garg wrote:
>
>     _SUPPORTEHi Johnny/Jim/Schopmeyer,
>
>  I need an urgent help.
>  Since, my mail are not reaching open pegasus community, so I am writing
> it to you.
>
>  I don't know how to debug and fix the issue. So, Kindly help.
>
>
>  I have written a cpp code.
>  When I am deploying that code after doing "make clean" and "make".
>  I am facing the below mentioned error:
>
>
> Ran command: where A/b is a directory and root/das is a namespace.
> =========================================================
>  ./cimcli -s -n root/das -l 10.1.20.121 -u admin -p admin ei
> das_SoftwareIdentity
> cimcli CIMException:  Cmd= ei Object= LHOS_SoftwareIdentity Code= 1
> CIM_ERR_FAILED: PGS04201: Provider LHOS_SoftwareIdentity_Provider in file
> /A/B/data/debug/lib/libLHOSProviderLib.so *cannot load library. * Error:
> /A/B/data/debug/lib/libLHOSProviderLib.so: undefined symbol:
> *_ZTV26CIMSoftwareIdentityBuldier.*
>
>  I did a little debugging and found the below:
> ==========================================
>
>  1 Step :
>   objdump -T /A/B/data/debug/lib/libLHOSProviderLib.so | grep
> _ZTV26CIMSoftwareIdentityBuilder
> 0000000000000000      D  *UND*  0000000000000000
> _ZTV26CIMSoftwareIdentityBuilder
>
>  2. Step: I ran the command ---->  ldd -r
> /A/B/data/debug/lib/libLHOSProviderLib.so
>
>
> *undefined symbol: *_ZTV26CIMSoftwareIdentityBuilder
> (/A/B/data/debu
> g/lib/libDASProviderLib.so)
> *undefined symbol:* _ZNK8LeftHand14CIMEnvironment9getCBLOpsEv
> (/A/B/d
> ata/debug/lib/libDASProviderLib.so)
> *undefined symbol:* _ZN8LeftHand14CIMEnvironmentD1Ev
> (/A/B/data/debu
> g/lib/libDASProviderLib.so)
> *undefined symbol:* _ZN8LeftHand14CIMEnvironmentC1Ev
> (/A/B/data/debu
> g/lib/libDASProviderLib.so)
> *undefined symbol:*_ZNK8LeftHand14CIMEnvironment19createCIMCBLContextERKSsS2_
> (
> /A/B/data/debug/lib/libLHOSProviderLib.so)
> *undefined symbol: *_ZN26CIMSoftwareIdentityBuilderC1EPN6cimple22Enum_Instances_Ha
> ndlerINS0_21DAS_SoftwareIdentityEEER11ICIMContext
> (/A/B/data/debu
> g/lib/libDASProviderLib.so)
>
>
>  Thanks and Regards,
>  Shubhra
>
>
>


-- 
Warm Regards
--Dev
OpenPegasus Developer

"I'm one of those people that think Thomas Edison and the light bulb
changed the world more than Karl Marx ever did," Steve Jobs