Status

Date

Doc Version

Applicable

Confidentiality

RELEASED

v1.2

WPE 1.3.x, 1.4.x, 1.5.x, PosApp, PosLib

PUBLIC


General Information

This document collects the Wirepas Positioning errata. The document is updated when new errata item is added, or the errata item is updated either work around or information on fix for Wirepas Positioning release. Revision history summarizes all the updates to this document.

Severity has three levels: Low, Medium and High. Severity is provided just for information to understand the impact on Wirepas Positioning functionality or performance. The workaround outlines if there is a way to overcome the bug visible in Affected Versions (Errata). The Fix Version (Errata) indicates the version where the errata item is resolved (possible workaround is not anymore needed).

Revision history summarizes all the updates to this document.

Errata Summary

Key

errata title

errata description

errata severity

affected versions (errata)

fix version (errata)

errata workaround exists?

errata workaround description

POS-360 

WPE: SSL error 

In some rare occasions ssl_transport_security.cc can trigger an error: OPENSSL_internal:WRONG_VERSION_NUMBER This is a known error of the gRPC library (open Issue #9538). The library will be updated once a fix for this issue exists. In case of occurring WPE will have to be restarted.

Low 

v1.3.1, v1.4.0, v1.5.0 


No 


POS-334 

WPE: TLS connection to MQTT does not work 

Setting up a TLS connection to MQTT from WPE does not work because of lack of CA root certificates in the WPE Docker image

Low 

v1.3.1 

v1.4.0 

No 


POS-327 

WPE: Area definition always requires "uid" field 

Area configuration does not allow to use only uuid (string) and requires that uid (uint64) field is also defined.

Low 

v1.3.1 

v1.4.0 

Yes 

The field uid must be defined

POS-298 

WPE: When configuration from WNT is disabled areas are still injected 

When configuration form WNT is disabled areas can still be injected by from WNT.

Low 

v1.3.1 

v1.4.0 

No 


POSAPP-62 

PositioningApp: incomplete measurements in autoscan mode 

Due to a potential race condition in autoscan mode the measurement set can in be incomplete in some random instants. This can result in higher position error than expected.

Medium 

v5.0.0 

v1.2.1.2 

Yes 

The recommended production mode for tags is NRLS and for anchor opportunistic. These modes are not affected by the error observed in autoscan mode.

5 issues 

Revision History

Date

Version

Notes

v1.0A

1st version of Wirepas Positioning Engine Errata document (with POSAPP-62)

v1.1

Added new errata: POS-298, POS-327, POS-334 and POS-360

v1.2

Updated POS-360 by adding v1.5.0 to the list of Affected Versions (Errata)

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