.. _section-record_troubleshooting: Troubleshooting =============== Verbosity --------- Increase the verbosity from the command line to view information about which Topics have been discovered. For example, running with ``-verbosity 4`` shows that *Recording Service* has discovered a Square Topic. .. code-block:: bash [/recording_services/RecorderService/domain_participants/Participant0|STREAM_DISCOVERED name=Triangle] type_name=ShapeType [/recording_services/RecorderService/domain_participants/Participant0|STREAM_DISCOVERED name=Triangle|../../sessions/DefaultSession/topics/RecordAll@Triangle|CREATE] [/recording_services/RecorderService/domain_participants/Participant0|STREAM_DISCOVERED name=Triangle|../../sessions/DefaultSession/topics/RecordAll@Triangle|ENABLE] [/recording_services/RecorderService/sessions/DefaultSession/topics/RecordAll@Triangle|START] [/recording_services/RecorderService/sessions/DefaultSession/topics/RecordAll@Triangle|RUN] At verbosity level 4, it is also possible to see incompatible QoS. .. code-block:: bash [/recording_services/RecorderService/sessions/DefaultSession/topics/RecordAll@Triangle|START] [/recording_services/RecorderService/sessions/DefaultSession/topics/RecordAll@Triangle|RUN] PRESPsService_isRemoteWriterLocalReaderCompatible:incompatible ownership: writer 1 reader 0 [/routing_services/RecorderService/domain_routes/DomainRoute/sessions/DefaultSession/routes/RecordAll@Circle/inputs/DdsInput1] requested incompatible qos: policy id=6, name=Ownership