Added mixing humble and jazzy section to troubleshooting #432
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roni-kreinin
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hilary-luo,
jhiggins-cpr,
rhysfaultless-cpr and
tonybaltovski
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| ## Mixing ROS 2 Humble and Jazzy | ||
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| Communication between Humble and Jazzy devices is not supported due to differences in middleware versions. Attempting to communicate with a Humble robot using a Jazzy computer or vice versa will trigger errors such as `eprosima::fastcdr::exception::NotEnoughMemoryException`, causing nodes and services to fail. |
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Can we also add add:
''Bad alloc' exception deserializing message of type rmw_dds_common::msg::dds_::ParticipantEntitiesInfo_., at ./src/type_support_common.cpp:123'
This purely happens on the computer.
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'Fast CDR exception deserializing message of type rmw_dds_common::msg::dds_::ParticipantEntitiesInfo_., at ./src/type_support_common.cpp:118'
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For what it is worth these errors will show up by having the systems on the same network visible to each other over DDS, they don't have to actually be trying to communicate between them. Maybe we can make that distinction when mentioning the error messages part.
hilary-luo
approved these changes
Jul 10, 2025
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