Solutions

Error using RTI Connext Professional free or Express license with older versions of Connext

In some cases, you may receive the wrong version of an RTI Connext Professional free trial or Connext Express license. If you do, you will receive the following error: RTI Connext DDS feature license not found: RTI_LICENSE_FILE = /home/my_user/rti_license57814.dat. Please contact support@rti.com ...
rrodriguez
Wed, 05/21/2025 - 03:23
48 reads — 0 comments

How do I restrict and prioritize interfaces for RTI Connext to use?

(This article expands on the community post: How do I restrict RTI Connext to use only a subset of interfaces? ) On a machine with multiple NICs, users can restrict RTI Connext® traffic to a subset of the available network interfaces (NICs). RTI’s Connext DDS 7.3 introduced the capability to ...
mmohr
Tue, 12/17/2024 - 10:00
988 reads — 0 comments

Why do I see the WARNING message “PRESCstReaderCollator_getKey:instance not found”?

When processing a metadata sample that indicates the instance transition change to NOT_ALIVE_NO_WRITERS or NOT_ALIVE_DISPOSED, you may see the following WARNING messages when calling the get_key_value API: WARNING PRESCstReaderCollator_getKey:instance not found WARNING PRESPsReader_getKey:!collator ...
afernandez
Tue, 12/17/2024 - 07:10
455 reads — 0 comments

Why do I get an OSSL_STORE API error and crash when creating a secure participant on Linux?

On Linux systems, if you are creating a DomainParticipant with Security Plugins enabled, and your application is linked to both TensorFlow and OpenSSL , you may see errors like this: RTI_Security_Util_uriToStringOssl:OpenSSL function PEM_write_bio_X509 failed with error: error:0c00009b:ASN.1 ...
grayson
Tue, 11/12/2024 - 10:05
627 reads — 0 comments

License error when using Real-Time WAN Transport

When using the Real-Time WAN Transport, you may see a license error that looks like this: RTI Real-Time WAN Transport feature license not found: NDDSHOME = C:\Program Files\rti_connext_dds-7.3.0/rti_license.dat. Please contact support@rti.com with any questions or comments. ERROR [0x01012400, ...
grayson
Mon, 10/14/2024 - 08:20
828 reads — 0 comments

Why do I see error 0x69 when using the multicast_mapping QoS?

When using the multicast_mapping QoS, you may encounter this error: NDDS_Transport_UDP_share_recvresource_rrEA:setsockopt(ADD_MEMBERSHIP) error 0X69 This error usually indicates that you've exhaused the kernel parameter called igmp_max_memberships on Linux-like operating systems. The default for ...
grayson
Wed, 08/14/2024 - 10:21
754 reads — 0 comments

RTI Admin Console 7.3.0 fails to open on Apple Silicon (M1)

Although Admin Console runs natively on Macs using Apple silicon, there is a bug in the way RTI_AdminConsole.app file is generated. This causes the system to think it is not native and, therefore, requires Rosetta 2 to execute the application. If Rosetta 2 is not installed you will get the ...
jcpulido
Mon, 05/20/2024 - 06:38
1085 reads — 0 comments

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