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Home » Language IDEs » C / C++ IDE (CDT) » An internal error occurred during: "Updating language mappings for project IAR PROJECT".(Could not initialize class com.sun.jna.Pointer)
An internal error occurred during: "Updating language mappings for project IAR PROJECT". [message #1809944] Fri, 26 July 2019 05:56 Go to next message
ZAFER SEN is currently offline ZAFER SENFriend
Messages: 4
Registered: July 2019
Junior Member
I installed the iar extension as described in (//eclipse-update.iar.com/plugin-manager-install).

When I try to import the project I created in IAR in eclipse, I get an error like the following. What can I do?

"An internal error occurred during: "Updating language mappings for project ADK_NCR_80".
Could not initialize class com.sun.jna.Pointer"

An error has occurred. See error log for more details.
Could not initialize class com.sun.jna.Pointer
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Re: An internal error occurred during: "Updating language mappings for project IAR PROJECT&quo [message #1809970 is a reply to message #1809944] Fri, 26 July 2019 16:26 Go to previous messageGo to next message
David VavraFriend
Messages: 1426
Registered: October 2012
Senior Member
The IAR plugin is third party from IAR Systems.
You should contact their support.
Re: An internal error occurred during: "Updating language mappings for project IAR PROJECT& [message #1810310 is a reply to message #1809970] Wed, 07 August 2019 13:02 Go to previous messageGo to next message
ZAFER SEN is currently offline ZAFER SENFriend
Messages: 4
Registered: July 2019
Junior Member
Hi. I don't think iar has a problem. Sounds like a problem with Eclipse. That's why I'm here.
Re: An internal error occurred during: "Updating language mappings for project IAR PROJECT& [message #1810314 is a reply to message #1810310] Wed, 07 August 2019 15:34 Go to previous message
Tauno Voipio is currently offline Tauno VoipioFriend
Messages: 742
Registered: August 2014
Senior Member
The Eclipse part for IAR (IAR plugin) is made by IAR.
It is definitively IAR's problem.


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Tauno Voipio
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