Gen Java proxy with Liberty "SRVE0325E: Exceeding maximum parameters..."

Products

• Gen
• Gen - Run Time Distributed

Issue/Introduction

Testing Gen 8.6 Java Proxy sample deployed to Open Liberty which has a very large import repeating group view and see error on browser:
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SRgvTest32k

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An exception occurred calling SRgvTest32k.execute method

Exception: java.lang.IllegalArgumentException

Description: null

Stack Trace:

java.lang.IllegalArgumentException     at com.ibm.wsspi.webcontainer.util.RequestUtils.parseQueryString(RequestUtils.java:672)     at com.ibm.wsspi.webcontainer.util.RequestUtils.parseQueryString(RequestUtils.java:101)

*****

The Liberty Console and messages.log shows:
SRVE0325E: Exceeding maximum parameters allowed per request 10,000 ,current 10,000 , cannot add more.

Environment

Gen 8.6 Java Proxy
Open Liberty 24.0.0.8
WebSphere Liberty 24.0.0.8

Resolution

Add this line to the Liberty server.xml file to allow unlimited parameters:

<webContainer com.ibm.ws.webcontainer.maxparamperrequest="-1"/>

Additional Information

IBM Support - Enabling UNLIMITED parameter requests for large Workflow mappings