xDM - Troubleshooting - Model and Application Design

How to resolve"null Pointer Exception" Error While Deploying a Model that Contains Database Views
After completing a patch upgrade of Semarchy xDM, administrators may encounter a NullPointerException: Null code error when attempting a model deployment op...
Wed, 23 Feb, 2022 at 12:31 AM
Advanced Technical Troubleshooting and Optimization for Slow Matching Performance
Matching performance is a complex issue. There could be many causes that lead to unsatisfactory integration job processing times, including poorly optimized...
Wed, 23 Feb, 2022 at 12:36 AM
Model Validation Issues
This article describes how to fix Data Model issues thanks to the Validation Report. At deployment time, Data Architects need to check the completeness ...
Mon, 14 Feb, 2022 at 8:40 PM
After deleting some entries from the deployment history, we get an "Unhandled event loop exception" error message when attempting to open a data location.
Fathia JamaSEMARCHY TEAM Sr. Customer Success Consultant at Semarchy Answered 26 days ago This error could be caused by an entry in the data locati...
Wed, 5 Jan, 2022 at 6:39 PM
Capture and Analyze SQL Queries Executed by Semarchy
Issue When investigating performance problems in xDM, it is often difficult to determine: What exact SQL query is being executed. What parameter val...
Tue, 10 Mar, 2026 at 10:53 AM
Can't open source data of an entity
Issue Sometimes, consulting source data on an entity does not show any data and throws an "Unexcepted server error: An internal server error occurred&q...
Mon, 13 Jan, 2025 at 2:57 PM
Troubleshooting multi-entities display privileges
Issue It is possible that, when connected as a user with low privileges (for instance, access to a single table of the model), you might not be able to...
Mon, 13 Jan, 2025 at 3:09 PM
Deployment Failure Due to Duplicate Function
Issue During model deployment, the following error appears "Duplicate Map Key Value <function_name>". The deployment process stops and pr...
Mon, 23 Feb, 2026 at 4:51 PM