Solutions

Why does my subscriber report multiple liveliness change events when I kill my publisher?

Note: Applies to RTI Connext 4.x and above. Upon changing the liveliness lease duration of both the DataReader and DataWriter , and instrumenting the on_liveliness_changed() listener callback on the reader side, you will see the callback is called twice when you kill the publishing application. ...
gianpiero
Thu, 01/17/2013 - 12:23
6825 reads — 0 comments

What does it mean when RTI Monitor shows only DomainParticipants and a "Topics" category with no actual Topics listed under it?

When RTI Monitor is not getting updates from RTI Monitoring Library, the left-hand Physical View looks similar to the following, showing one or more DomainParticipants and a Topics category, but no DataReaders, DataWriters, or Topics listed under the Topics category: This indicates that RTI Monitor ...
ken
Thu, 01/17/2013 - 12:23
10333 reads — 1 comment

Can I use a (gcc) compiler version different from what is listed in the Release Notes?

The short answer is that only the platforms listed in the Release Notes are supported. A platform is defined by a CPU architecture, an operating system and its version, and a compiler version. For example, i86Linux2.6gcc4.1.1 means Linux 2.6 on an Intel processor with version 4.1.1of the gcc ...
dstockdill
Thu, 01/17/2013 - 12:23
4575 reads — 0 comments

Can I run my RTI Connext application in a virtual machine?

Yes, you can run your RTI Connext-based application on a virtual machine. Make sure that any time synchronization or jumps occur before starting your RTI Connext application. In versions 4.4b and higher, we have improved support for virtual machines by introducing a feature to specify which clock ...
abhi
Thu, 01/17/2013 - 12:22
3824 reads — 0 comments

What might cause a segmentation fault while reading data? Why do I see an unexpected data sequence length?

Note: Applies to RTI Data Distribution Service 4.1 and 4.2 If a non-keyed DataReader calls take() or read() while max_samples (in the ResourceLimitsQosPolicy ) is LENGTH_UNLIMITED (the default), and, the available data is greater than max_samples_per_read (in the DataReaderResourceLimitsQosPolicy ...
alex
Thu, 01/17/2013 - 12:21
4229 reads — 0 comments

How can I prevent deadlocks while invoking the RTI APIs from a Listener?

Note: Applies to RTI Connext 4.2 and above To prevent deadlocks, RTI uses mutexes to coordinate access to critical data and operations between threads. Mutexes are grouped in Exclusive Areas (EAs) code based on the regions they protect. However, deadlocks are still possible if you try to use ...
elaine
Thu, 01/17/2013 - 12:19
7067 reads — 0 comments

How do I minimize the memory footprint and avoid dynamic memory allocation?

Note: Applies to RTI Connext 4.x and above. The first and foremost step to reducing the memory footprint is an architectural review. The number of topics, the queue sizes, whether or not you use keys, the number of domains, or the usage of partitions have a great impact on the memory footprint of ...
gianpiero
Thu, 01/17/2013 - 12:19
8589 reads — 0 comments

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