10.4. What’s Fixed in 4.3.0

The following are fixes since Connext Micro 4.2.0.

[Critical]: System-stopping issue, such as a crash or data loss.
[Major]: Significant issue with no easy workaround.
[Minor]: Issue that usually has a workaround.
[Trivial]: Small issue, such as a typo in a log.

• 10.4.1. Discovery
  • 10.4.1.1. [Major] DomainParticipants did not use initial announcement configuration correctly
  • 10.4.1.2. [Minor] Periodic participant announcements not sent at expected rate
  • 10.4.1.3. [Trivial] Possible error when DPSE and participant_discovery_by_name are enabled
• 10.4.2. Usability
  • 10.4.2.1. [Major] Network interfaces could not have non-ASCII characters in their name
• 10.4.3. Transports
  • 10.4.3.1. [Major] Zero Copy v1 limited the total number of shared memory segments to 500
  • 10.4.3.2. [Trivial] UDP registration documented incorrectly
  • 10.4.3.3. [Trivial] Internal UDP pings failed to send
• 10.4.4. Reliability Protocol and Wire Representation
  • 10.4.4.1. [Minor] DataWriter resent already-acknowledged samples when responding to ACKNACK on a lossy network
• 10.4.5. Callbacks and Waitsets
  • 10.4.5.1. [Major] on_before callbacks could cause DataReader to stop receiving data
  • 10.4.5.2. [Minor] DataWriter did not invoke on_offered_incompatible_qos listener when data representations were incompatible
• 10.4.6. Security Plugins SDK
  • 10.4.6.1. [Minor] Incorrect block count calculation for key rotation
  • 10.4.6.2. [Minor] OpenSSL PSK PSL implementation had NULL function pointers with no safeguards
• 10.4.7. Content Filters and Query Conditions
  • 10.4.7.1. [Major] Possible failure to deliver samples when prior samples were filtered
• 10.4.8. Logging
  • 10.4.8.1. [Trivial] MAG logged Java version warning on Windows systems
• 10.4.9. APIs (C or Traditional C++)
  • 10.4.9.1. [Major] Possible stack buffer overflow due to DGRAM interface name length
  • 10.4.9.2. [Major] Setting large max sequence size would produce integer overflow
  • 10.4.9.3. [Major] DataWriter’s _w_timestamp operations did not detect non-normalized timestamp inputs
  • 10.4.9.4. [Major] Undefined DDS_TIME_INVALID variables
  • 10.4.9.5. [Minor] Misspelled OSAPI_LogProperty_INIITALIZER
  • 10.4.9.6. [Minor] DDS_Time_is_zero was not performing the correct evaluation
  • 10.4.9.7. [Minor] Low resolution timestamps could cause Zero Copy samples to remain visible longer than expected
  • 10.4.9.8. [Minor] Initializing discovery property with NULL value incorrectly returned PRECONDITION_NOT_MET
  • 10.4.9.9. [Minor] DDS_Entity_get_entity_kind was declared and documented but not defined
  • 10.4.9.10. [Trivial] LatencyBudget was missing from the API documentation
  • 10.4.9.11. [Trivial] False positive error messages when reattaching a condition to a WaitSet
• 10.4.10. Generated Code (C, Traditional C++, and Modern C++)
  • 10.4.10.1. [Major] Type registration API did not consistently report errors
  • 10.4.10.2. [Minor] Build error when generating an IDL that contained a long double on unsupported systems
  • 10.4.10.3. [Minor] Superflous parent member generated in a derived C++ class when using -interpreted 0
  • 10.4.10.4. [Minor] Generated AUTOSAR files placed in the wrong folder for AUTOSAR_CDD
  • 10.4.10.5. [Trivial] Code Generator did not find Java when run from default directory
• 10.4.11. Generated Code (Multiple Languages)
  • 10.4.11.1. [Major] Invalid generated code when type was inside modules with duplicate names
• 10.4.12. OMG Specification Compliance
  • 10.4.12.1. [Minor] DDS_DURATION_INFINITE not compliant with OMG DDS specification
• 10.4.13. Instances
  • 10.4.13.1. [Major] Possible failure to send dispose/unregister messages when using async publication
  • 10.4.13.2. [Minor] Instance state transition inconsistent with Connext Professional
• 10.4.14. Crashes
  • 10.4.14.1. [Major] Content-filtered DataWriter could crash or fail to send messages
  • 10.4.14.2. [Major] Potential crash from malformed data fragments
  • 10.4.14.3. [Minor] XML parsing errors with special characters in comments
• 10.4.15. Hangs
  • 10.4.15.1. [Critical] Potential deadlock when deleting a DomainParticipant that used the Flow Controller
  • 10.4.15.2. [Critical] Asynchronous DataWriter could silently stop sending samples and hang on deletion
  • 10.4.15.3. [Major] DataWriters stalled indefinitely when sharing flow controller
• 10.4.16. Memory Leaks/Growth
  • 10.4.16.1. [Major] Possible memory leaks in CDR_WstringSeq_set_maximum
  • 10.4.16.2. [Major] Possible memory leaks in CDR_WstringSeq_copy
  • 10.4.16.3. [Major] DDS_DomainParticipantFactory_get_instance() not memory safe on some architectures
  • 10.4.16.4. [Major] Possible memory leak from failed write of a new instance
  • 10.4.16.5. [Minor] Possible memory leak when finalizing Publishers or Subscribers with Partition QoS
  • 10.4.16.6. [Minor] Possible memory leak when Entities experienced errors on topic creation
• 10.4.17. Data Corruption
  • 10.4.17.1. [Minor] Creating new DomainParticipant while receiving data could cause undefined behavior
  • 10.4.17.2. [Minor] DDS_WstringSeq instance could be returned in an inconsistent state when set_maximum failed
• 10.4.18. Platform and Build Changes
  • 10.4.18.1. [Major] Possible transmission failure when SocketOwner was configured
  • 10.4.18.2. [Trivial] Not possible to disable thread semaphores
  • 10.4.18.3. [Trivial] rtime-make would not compile Lightweight Security Plugin outside of source directory
  • 10.4.18.4. [Trivial] Excluing DDS flow control and fragmentation resulted in compile time error
• 10.4.19. Shipped Examples
  • 10.4.19.1. [Minor] Cert example template used undesirable code constructs
  • 10.4.19.2. [Trivial] The C++ example would attempt to delete invalid memory on specific failure conditions
• 10.4.20. Interoperability
  • 10.4.20.1. [Critical] Failure to ignore vendor-specific PIDS
  • 10.4.20.2. [Critical] NULL pointer access in AUTOSAR Classic when a ping message received from Connext Professional 7.3.0 or higher
  • 10.4.20.3. [Major] KeyFlag for fragmented data interpreted incorrectly
  • 10.4.20.4. [Major] Samples of mutable types may have been dropped when bit FLAG_MUST_UNDERSTAND was set on key members
• 10.4.21. Vulnerabilities
  • 10.4.21.1. [Critical] Potential stack buffer underflow in Connext Micro during message processing
  • 10.4.21.2. [Critical] Potential out-of-bounds read in Connext Micro during message processing
  • 10.4.21.3. [Minor] Potential-man-in-the-middle attack in Micro Application Generator when using Socket Appender in Apache Log4j™
• 10.4.22. Other
  • 10.4.22.1. [Critical] No communication on AUTOSAR systems with multiple IP addresses
  • 10.4.22.2. [Major] Corrected ARXML reference generation for basic types
  • 10.4.22.3. [Major] DataReader could stop receiving samples due to resource miscount
  • 10.4.22.4. [Minor] Participant GUIDs generated on big-endian platforms may have reduced entropy
  • 10.4.22.5. [Minor] Errors in checksum documentation
  • 10.4.22.6. [Minor] Incorrect max size calculation for primitive array with CDR_LONG_DOUBLE_TYPE
  • 10.4.22.7. [Minor] DataWriter silently stopped sending data when flow controller token budget was smaller thanfragment size
  • 10.4.22.8. [Trivial] Possible warning during DomainParticipant shutdown
  • 10.4.22.9. [Trivial] rtime-make and rtiddsgen script errors when running from a directory with a space in its name
  • 10.4.22.10. [Trivial] Formatting errors in help printout for rtime-make.bat