RTI Core Libraries and Utilities

What causes this error: "COMMENDBeReaderService_onSubmessage:!get ber remoteWriter"

The following error during shutdown: COMMENDBeReaderService_onSubmessage:!get ber remoteWriter indicates that a DataReader has received a sample but the corresponding remote DataWriter has already been deleted. If you are shutting down your entire system, you can probably ignore this message. ...
belen
Thu, 01/08/2015 - 03:47
3387 reads — 0 comments

How can I reduce the discovery time?

For complex systems with hundreds of participants and endpoints, discovery may cause long startup times and high network utilization. There are several options that help increase discovery performance: 1) Reduce the size of discovery packets 1.1. You can configure the middleware to not send the ...
Juanjo Martin
Thu, 08/07/2014 - 03:00
61278 reads — 0 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
4381 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
10317 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
4212 reads — 0 comments

On VxWorks, an RTP application can not discover a kernel application over shared memory

When running two applications on the same WindRiver VxWorks target, one in kernel mode and the other in RTP mode, the two applications will not discover each other when using out of box settings in RTI Connext. The reason this occurs has to do with how RTI Connext internally marks the individual ...
bobby
Fri, 04/04/2014 - 14:05
6329 reads — 0 comments

Failure to Create a Participant due to Insufficient Shared Memory Kernel Settings

If you are running RTI Connext DDS 5.2.0 or later , you may get this error message when starting your application: [D0062|ENABLE]DDS_DomainParticipantPresentation_reserve_participant_index_entryports:!enable reserve participant index [D0062|ENABLE] ...
jmorales
Tue, 04/01/2014 - 13:53
24251 reads — 1 comment

Resources are not cleaned up when write() is called from a spawned thread

If the logic of your application requires to spawn new threads, and in those threads you are calling a DDS API such as write() , you may notice a memory growth. To ensure that all the resources allocated in that thread are correctly released, remember to call unregister_thread() right before ...
gianpiero
Fri, 03/14/2014 - 08:17
4827 reads — 0 comments

For a large or complex topic data type, why can't generic DDS applications such as Admin Console, DDS Spy and Recording Service get the data type information?

For a complex topic data type that has many fields or long field names, Admin Console may not be able to show the topic’s data type, DDS Spy may not be able to print the samples’ contents, Recording Service may not be able to record the data, and Analyzer may show the warning “Failed to create ...
xihui
Thu, 01/30/2014 - 16:46
12141 reads — 0 comments

How to configure apps for backward compatibility 5.1.0 to 5.0.0

We have changed the default transport settings for RTI Connext DDS 5.1.0 to support better out-of-the-box throughput. This gives better performance, and in some cases reduces the time of the discovery process. However, this means that you must change your applications' transport settings in order ...
rose
Fri, 01/17/2014 - 18:17
22631 reads — 1 comment

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