ERROR: MATLAB R2017a cannot run RTI Connext Shapes Demo

DDS.import('ShapeType.idl','matlab', 'f')
Warning: DDS.Utilities.getRtiPaths: Unable to obtain mex compiler info. rtiddsgen preprocessor is being disabled.  To correct, run mex -setup 
> In DDS.Utilities.getRtiPaths
  In DDS.Utilities.convertIDLtoXML
  In DDS.import 
INFO com.rti.ndds.nddsgen.Main Running rtiddsgen version 2.5.0, please wait ...
INFO com.rti.ndds.nddsgen.Main Done

Error using DDS.Utilities.convertDDStoMathWorksType
DDSType: int32

Error in DDS.internal.readTypesXML.Member

Error in DDS.internal.readTypesXML.Struct

Error in DDS.internal.readTypesXML.readTypesXML/readType

Error in DDS.internal.readTypesXML.readTypesXML

Error in DDS.import

[Walter Roberson]

RTI Connext Shapes Demo appears to be https://www.rti.com/downloads/shapes-demo

Notice that the Windows version there is for 32 bit Windows.

Unfortunately I do not see a date on https://www.mathworks.com/videos/matlab-and-the-dds-support-package-107760.html or https://www.mathworks.com/videos/simulink-and-the-dds-support-package-107761.html but I do see http://blogs.rti.com/2017/02/23/use-matlab-to-leverage-your-live-iot-data is for R2016b (which would be 64 bit)

Ah, https://www.mathworks.com/videos/installing-the-dds-support-package-r2017a-and-later--1489171911502.html is specifically R2017a or later; perhaps the instructions there will help?

[Humza Wali]

I was following the same video series (https://www.mathworks.com/videos/installing-the-dds-support-package-r2017a-and-later--1489171911502.html) until i got stuck in the tutorial videos. I just installed the same rti DDS support package on the latest R2017b release and its still giving an error:

>> mex -setup C++
MEX configured to use 'Microsoft Visual C++ 2015' for C++ language compilation.
Warning: The MATLAB C and Fortran API has changed to support MATLAB
   variables with more than 2^32-1 elements. You will be required
   to update your code to utilize the new API.
   You can find more information about this at:
   http://www.mathworks.com/help/matlab/matlab_external/upgrading-mex-files-to-use-64-bit-api.html.
>> clear;
DDS.import('ShapeType.idl','matlab', 'f')
ERROR: Cannot determine the location of the VS Common Tools folder.
INFO com.rti.ndds.nddsgen.Main Running rtiddsgen version 2.5.0, please wait ...
ERROR com.rti.ndds.nddsgen.Main Fail:  java.lang.Exception: The preprocessor 'CL.EXE' cannot be found in your path.
If your IDL file contains preprocessor directives, be sure that 'CL.EXE'
is in your path or specify an alternative preprocessor through the use of the
flag -ppPath.
If your IDL file doesn't contain preprocessor directives you can disable the
use of the preprocessor using the flag -ppDisable
INFO com.rti.ndds.nddsgen.Main Done (failures)

Error using DDS.Utilities.convertIDLtoXML
rtiddsgen failure

Error in DDS.import

>> DDS.version

ans = 

    struct with fields:

         major: 5
         minor: 3
       release: 0
      revision: 0

[Walter Roberson]

mex -setup C

might be required.

See also https://stackoverflow.com/questions/31953769/visual-studio-doesnt-have-cl-exe

Also note that MATLAB R2017a for MS Windows supports VS 2015 Professional but not VS 2015 Community.

[Humza Wali]

Yes it's VS 2015 Professional and has C++ compiler.

I ran the command:

>> mex -setup C
MEX configured to use 'Microsoft Visual C++ 2015 (C)' for C language compilation.
Warning: The MATLAB C and Fortran API has changed to support MATLAB
   variables with more than 2^32-1 elements. You will be required
   to update your code to utilize the new API.
   You can find more information about this at:
   http://www.mathworks.com/help/matlab/matlab_external/upgrading-mex-files-to-use-64-bit-api.html.

[Ibrahim Nemer]

Sorry Sir, Did you find any solution for this kind of error? It's almost same to your error.

>> DDS.import('ShapeType.idl','matlab', 'f'); INFO com.rti.ndds.nddsgen.Main Running rtiddsgen version 2.5.2, please wait ... ERROR com.rti.ndds.nddsgen.Main Fail: java.lang.Exception: Error executing

Answer 1

[Walter Roberson]

You need to install a compiler suitable for your release, and run mex -setup

[Humza Wali]

Hi Walter! I installed a compiler on windows again but the issue wasn't resolved. Then I tried the same matlab release on Ubuntu 16.04 and I got the following error and its also related to MEX:

Error using DDS.version
Invalid MEX-file '/home/humza/Documents/MATLAB/Add-Ons/Toolboxes/DDS_Blockset/code/mexGetVersion.mexa64':
Missing symbol 'dlclose' required by
'/home/humza/rti_connext_dds-5.3.0/lib/x64Linux3gcc5.4.0/libnddscore.so->/home/humza/rti_connext_dds-5.3.0/lib/x64Linux3gcc5.4.0/libnddsc.so->/home/humza/Documents/MATLAB/Add-Ons/Toolboxes/DDS_Blockset/code/mexGetVersion.mexa64'
Missing symbol 'dlerror' required by
'/home/humza/rti_connext_dds-5.3.0/lib/x64Linux3gcc5.4.0/libnddscore.so->/home/humza/rti_connext_dds-5.3.0/lib/x64Linux3gcc5.4.0/libnddsc.so->/home/humza/Documents/MATLAB/Add-Ons/Toolboxes/DDS_Blockset/code/mexGetVersion.mexa64'
Missing symbol 'dlopen' required by
'/home/humza/rti_connext_dds-5.3.0/lib/x64Linux3gcc5.4.0/libnddscore.so->/home/humza/rti_connext_dds-5.3.0/lib/x64Linux3gcc5.4.0/libnddsc.so->/home/humza/Documents/MATLAB/Add-Ons/Toolboxes/DDS_Blockset/code/mexGetVersion.mexa64'
Missing symbol 'dlsym' required by
'/home/humza/rti_connext_dds-5.3.0/lib/x64Linux3gcc5.4.0/libnddscore.so->/home/humza/rti_connext_dds-5.3.0/lib/x64Linux3gcc5.4.0/libnddsc.so->/home/humza/Documents/MATLAB/Add-Ons/Toolboxes/DDS_Blockset/code/mexGetVersion.mexa64'
Missing symbol '_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9_M_assignERKS4_' required by
'/home/humza/rti_connext_dds-5.3.0/lib/x64Linux3gcc5.4.0/libnddscpp.so->/home/humza/Documents/MATLAB/Add-Ons/Toolboxes/DDS_Blockset/code/mexGetVersion.mexa64'
Missing symbol '_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9_M_createERmm' required by
'/home/humza/rti_connext_dds-5.3.0/lib/x64Linux3gcc5.4.0/libnddscpp.so->/home/humza/Documents/MATLAB/Add-Ons/Toolboxes/DDS_Blockset/code/mexGetVersion.mexa64'.

Error in DDS.Utilities.getRtiPaths

Error in DDS.Utilities.convertIDLtoXML

Error in DDS.import

[Humza Wali]

These are the compilers for matlab R2017a on ubuntu 16.04:

To choose a different language, select one from the following:
 mex -setup C++ 
 mex -setup FORTRAN
MEX configured to use 'g++' for C++ language compilation.
Warning: The MATLAB C and Fortran API has changed to support MATLAB
   variables with more than 2^32-1 elements. You will be required
   to update your code to utilize the new API.
   You can find more information about this at:
   http://www.mathworks.com/help/matlab/matlab_external/upgrading-mex-files-to-use-64-bit-api.html.
>> mex -setup FORTRAN
Error using mex
No supported compiler or SDK was found. For options, visit http://www.mathworks.com/support/compilers/R2017a/.

>> mex -setup FORTRAN
MEX configured to use 'gfortran' for FORTRAN language compilation.
Warning: The MATLAB C and Fortran API has changed to support MATLAB
   variables with more than 2^32-1 elements. You will be required
   to update your code to utilize the new API.
   You can find more information about this at:
   http://www.mathworks.com/help/matlab/matlab_external/upgrading-mex-files-to-use-64-bit-api.html.