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Decision Tree Model Cannot Be Viewed On A System With Turkish Regional Settings (Doc ID 1317052.1)

Last updated on MARCH 27, 2019

Applies to:

Oracle SQL Developer - Version 3.0 to 3.0 [Release 3]
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Information in this document applies to any platform.

Symptoms


Environment
------------
SQL Developer is 3.0.04.34
Data Mining

Problem
---------
Used the sample table and just run a decision tree model.
The tree model is successfully created but cannot display the results in a graphical interface.

Steps to reproduce the problem
---------------------------------
1. Add a data source and connect to the sample table.
2. Add a classification connect data source to this object and delete all models but decision tree (DT).
3. Run the work flow.
4. Right click on classification node and choose view models and choose DT.
5. It raises the error

Error
------
java.lang.Runtime.Exception: not instanceof RoundedTreeNode
at oracle.dmt.dataminer.myviewer.dtree.model.TreeNode.assignPropertyChangeListener

What works
---------------
- Creating Data Mining Flow
- Graphical User Interface with Regional Settings equal to English

What does not work
-------------------
Graphical User Interface with Regional Settings equal to Turkish

Cause

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In this Document
Symptoms
Cause
Solution
References


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