Solutions

How to use Request/Reply communication pattern in LabVIEW RTI DDS Toolkit for LabVIEW

This solution is only a workaround until the Request/Reply API is available in LabVIEW. This will only work for one Requester and one Replier. The Request/Reply communication pattern is pretty useful for industrial applications. It is quite normal to have an application requesting an action to ...
sara
Thu, 10/09/2014 - 10:11
19739 reads — 10 comments

What error can occur if a thread stack_size is not large enough?

If you create a large number of instances or entities and there is insufficient thread stack space, you can get the following error: REDAFastBufferPool_getBuffer:!precondition: pool==((void *)0) REDASkiplistNode_new:!create node REDASkiplist_assertNodeEA:!create node ...
bobby
Thu, 07/24/2014 - 23:27
4396 reads — 0 comments

Why does only one of my Reader VIs get the new samples?

A normal scenario in RTI Connext DDS is to have a Publisher that generates samples and several Subscribers that receive the generated data. In other words, the expected out-of-the-box behavior is for all Subscribers to get all the data. This is so because each Subscriber has its own DataReader for ...
sara
Thu, 07/24/2014 - 04:04
5596 reads — 0 comments

I Put My Machines In My Initial Peers Lists -- Why Don’t They Discover Each Other?

There are some situations in which two applications, even though they have been configured to have each other in their initial peers lists, will not discover each other. Two applications are on the same machine and have only either 127.0.0.1 or "localhost" in their initial peers lists AND ...
erin
Mon, 07/07/2014 - 14:26
10387 reads — 0 comments

Routing Service 5.1.0 shuts down suddenly while running in Windows

When running on Microsoft Windows, the Routing Service 5.1.0 can unexpectedly stop working with the following dialog being displayed: This can also occur when terminating the application with Ctrl-C. The problem might be caused by a bug in an optimization introduced in Routing Service 5.1.0 that ...
tsuhao
Fri, 05/30/2014 - 14:39
4436 reads — 0 comments

RTI Connext DDS and the OpenSSL Heartbleed Bug

Note: This solution applies to RTI Connext DDS 5.1.0. The Heartbleed bug, which causes a serious security threat, has been recently identified in certain versions of the OpenSSL cryptographic software library. More information about the bug can be found at www.heartbleed.com . OpenSSL is used for ...
bobby
Mon, 04/28/2014 - 16:47
4235 reads — 0 comments

Gaps in the publishing sequence number when viewing RTI Recording Service's recorded database

When viewing recorded data in a database created by RTI Recording Service, if you see gaps in the column of publishing sequence number, it might not indicate that there were samples lost during recording. This can happen when a DataWriter explicitly calls unregister_instance() with the QoS policy, ...
tsuhao
Tue, 04/15/2014 - 12:03
4494 reads — 0 comments

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