Conversion Assistant from Oracle Reports to BI Publisher Throws java.lang.ClassCastException: oracle.xdo.dataengine.queryparser.QueryBuilder$SetOperation cannot be cast to java.lang.String
(Doc ID 2438744.1)
Last updated on AUGUST 31, 2023
Applies to:
BI Publisher (formerly XML Publisher) - Version 12.2 to 12.2 [Release 12.2]Information in this document applies to any platform.
Symptoms
On : 12.2 version, Enterprise: User Interface
When attempting to run the Oracle Reports Conversion Assistant (https://www.oracle.com/technetwork/middleware/bi-publisher/converttobip-1599273.html) the following error occurs.
ERROR
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java.lang.ClassCastException: oracle.xdo.dataengine.queryparser.QueryBuilder$SetOperation cannot be cast to java.lang.String
at oracle.xdo.rdfparser.DataTemplateGenerator.getUnionQuery(DataTemplateGenerator.java:3466)
at oracle.xdo.rdfparser.DataTemplateGenerator.getQuery(DataTemplateGenerator.java:3528)
STEPS
-----------------------
The issue can be reproduced at will with the following steps:
Run the utility on a complex report.
Due to this issue, users cannot automatically convert complex Oracle Reports to BI Publisher and may need to re-build the report manually, increasing the migration effort.
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |