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The DDS reliability protocol uses Heartbeat messages and ACKNACK messages to ensure the receipt of data. A DataReader sends an ACKNACK message in response to a DataWriter’s Heartbeat; this ACKNACK message indicates which samples the reader received, and which samples it has yet to receive. For ...
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Endpoint Discovery uses either unicast or multicast, depending on the situation. First, some background: Endpoint Discovery is the process used by endpoints (that is, DataReaders and DataWriters ) to locate each other before they can begin to communicate user data. When a DomainParticipant is ...
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The following message is an internal debugging message that is printed at REMOTE verbosity level: COMMENDSrWriterService_onSubmessage:!ACK ignored: number of active RR is > 1, but sum of RR at is 0 Seeing this message is expected during normal operation and it does not indicate that something is ...
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When enabling RTI Monitoring library via the QoS file, a Connext DDS application might report a memory leak when using valgrind for memory usage analysis. An example of the valgrind output for this memory leak is found at the end of this article. Please see this Knowledge Base article for more ...
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Note : Applies to RTI Connext 5.2.x and above. When you run an RTI Connext DDS host installer, the installation directory will always be like this: <default install path or user defined installation path>/rti_connext_dds-x.x.x . The installer itself adds the “ rti_connext_dds-x.x.x ”. If you ...
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Note: Applies to RTI Connext DDS 5.3.x If Persistence Service closes ungracefully (via Ctrl-C or the kill -9 command), a new Persistence Service instance will not be able to run. It will show the following error message: Database is already in use by another RTI Persistence Service or was ...
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Starting with Connext DDS 5.3.0, all Connext DDS libraries for Windows platforms (static release/debug, dynamic release/debug) now link with the dynamic Windows C Runtime (CRT). If you have previous Windows projects that were linking with the Connext DDS static libraries, it will be necessary to ...
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