Hi Dirk, I tried a clean install on new HDD and machine. src/ament/ament_tools/scripts/ament.py test_results build/osrf_pycommon/test_results/osrf_pycommon/nosetests.xunit.xml: 32 tests, 0 skipped, 0 errors, 1 failures build/pendulum_control/test_results/pendulum_control/test_demo_pendulum__rmw_connext_cpp.xunit.xml: 1 tests, 0 skipped, 1 errors, 0 failures Summary: 9962 tests, 1 errors, 1 failures, 24 skipped Also tried to run ./talker terminate called after throwing an instance of 'std::runtime_error' what(): could not create publisher: type support not from this implementation, at /path/src/ros2/rmw_fastrtps/rmw_fastrtps_cpp/src/functions.cpp:782, at /path/src/ros2/rcl/rcl/src/rcl/publisher.c:81 Aborted (core dumped) ran it with gdb turned on: Starting program: /path/install/bin/talker [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [New Thread 0x7ffff3ed9700 (LWP 25894)] [New Thread 0x7ffff36d8700 (LWP 25895)] [New Thread 0x7ffff2ed7700 (LWP 25896)] [New Thread 0x7ffff26d6700 (LWP 25897)] [New Thread 0x7ffff1ed5700 (LWP 25898)] [New Thread 0x7ffff16d4700 (LWP 25899)] [New Thread 0x7ffff0ed3700 (LWP 25900)] terminate called after throwing an instance of 'std::runtime_error' what(): could not create publisher: type support not from this implementation, at /path/src/ros2/rmw_fastrtps/rmw_fastrtps_cpp/src/functions.cpp:782, at /path/src/ros2/rcl/rcl/src/rcl/publisher.c:81 Thread 1 "talker" received signal SIGABRT, Aborted. 0x00007ffff6882428 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54 54 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory. (gdb) exit Also tried ./talker__rmw_connext_cpp terminate called after throwing an instance of 'std::runtime_error' what(): could not create publisher: type support handle implementation 'rosidl_typesupport_cpp' (0x7fa59d40a76d) does not match valid type supports ('rosidl_typesupport_connext_cpp' (0x7fa59cbbf650), 'connext_static_c' (0x7fa59cfc6659)), at /path/src/ros2/rmw_connext/rmw_connext_cpp/src/functions.cpp:225, at /path/src/ros2/rcl/rcl/src/rcl/publisher.c:81 Aborted (core dumped) With gdb turned on alker__rmw_connext_cpp [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [New Thread 0x7ffff34a1700 (LWP 25959)] [New Thread 0x7ffff2ca0700 (LWP 25960)] [New Thread 0x7ffff2205700 (LWP 25961)] [New Thread 0x7ffff1a04700 (LWP 25962)] [New Thread 0x7ffff1203700 (LWP 25963)] [New Thread 0x7ffff0a02700 (LWP 25964)] [New Thread 0x7fffe3fff700 (LWP 25965)] [New Thread 0x7fffe37fe700 (LWP 25966)] terminate called after throwing an instance of 'std::runtime_error' what(): could not create publisher: type support handle implementation 'rosidl_typesupport_cpp' (0x7ffff44d376d) does not match valid type supports ('rosidl_typesupport_connext_cpp' (0x7ffff3c88650), 'connext_static_c' (0x7ffff408f659)), at /path/src/ros2/rmw_connext/rmw_connext_cpp/src/functions.cpp:225, at /path/src/ros2/rcl/rcl/src/rcl/publisher.c:81 Thread 1 "talker__rmw_con" received signal SIGABRT, Aborted. 0x00007ffff5457428 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54 54 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory. (gdb) quit Thanks Vince --- [Visit Topic](https://discourse.ros.org/t/talker-example-issue-with-beta-1/992/10) or reply to this email to respond. If you do not want to receive messages from ros-users please use the unsubscribe link below. If you use the one above, you will stop all of ros-users from receiving updates. ______________________________________________________________________________ ros-users mailing list ros-users@lists.ros.org http://lists.ros.org/mailman/listinfo/ros-users Unsubscribe: