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BI Publisher Report Output Not Rendered And Error In Log: IO Exception was thrown (Doc ID 2003717.1)

Last updated on AUGUST 23, 2020

Applies to:

BI Publisher (formerly XML Publisher) - Version to [Release 11.1]
Information in this document applies to any platform.


On BI Publisher upgraded from,
After the upgrade, the following occurs to some reports:

Actual Behavior
The BI Publisher report shows a blank page and the output is not displayed.

Expected Behavior
The BI Publisher report should display the output on screen.

The issue can be reproduced at will with the following steps:
1. Access Analytics page.
2. Invoke the BI Publisher report.
3. The report displays a blank page instead of the output with data.

The BI-Publisher.log shows following exception:

javax.servlet.ServletException: IO Exception was thrown![[ cannot be cast to
at oracle.xdo.servlet.XDOServlet.writeReport(
at oracle.xdo.servlet.XDOServlet.doGet(
at oracle.xdo.servlet.XDOServlet.doPost(
at javax.servlet.http.HttpServlet.service(


 BI Publisher upgraded from to


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