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Problem
You installed WebSpellChecker Server version 5.23.0.0, but it does not work and you noticed the 'Exception: Illegal Instruction' error in the Logs files. The files are located in the /<WSC_Installation_Path>/WSC/AppServer/Logs directory. Below is an example of the mentioned error:
| Warning |
|---|
09/12/22:00:00:16.332 #12786:0 Subsystem_General Error Illegal Instruction 09/12/22:00:01:16.332 #12786:0 Subsystem_General Fatal Caught a signal: Illegal Instruction |
Reason
The main reason why you received this error, might be that your server does not Your server doesn't support AVX2/AVX512 (Advanced Vector Extensions) instructions. If this is the case, that are required to load AI-based engines won't work as well as the software if you are downloading AI-based engines during the installation. * and autocomplete functionality that is also based on them.
| Info |
|---|
*The WebSpellChecker AI engine was built using modern approaches in Natural Language Processing (NLP). |
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It is based on the huge pre-trained language model. Thus, its accuracy is higher |
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compared with our classic rule-based engines. |
Solution
Option #1
Anyway, there are two options that we can suggest:
1. Change the server to the one which supports the AVX2/AVX512 instructions and reinstall the software from scratch.
2. If changing the server isn't an option, you can reinstall the software and don't choose AI-based languages and autocomplete functionality. To do so please follow the steps below:
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