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TROUBLESHOOTING.md

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Troubleshooting

This document compiles the known compatibility issues with other Shapes Demo implementations and the possible solutions.

Two instances in the same computer

When using eProsima ShapesDemo and RTI Shapes Demo in the same computer the file RTI_SHAPES_DEMO_QOS_PROFILES.xml needs to be modified to force RTI to only use UDPv4 as transport. The user should add the following lines inside the Shapes_Default_Profile qos_profile tag.

<participant_qos>
	<transport_builtin><mask>UDPv4</mask></transport_builtin>
		<discovery_config>
			<builtin_discovery_plugins>SDP</builtin_discovery_plugins>
			<participant_liveliness_lease_duration>
				<sec>30</sec>
				<nanosec>0</nanosec>
	             	</participant_liveliness_lease_duration>
		</discovery_config>
</participant_qos>

This setting is necessary to avoid the use of Shared Memory as transport (disabling the loopback), a feature that is not yet implemented in Fast RTPS.