Resouce Finder Page error - [en - Unable to process request - Server or Network error]

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Article ID: 210413

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Updated On:

Products

Clarity PPM On Premise Clarity PPM SaaS

Issue/Introduction

When a user tries to scroll to the next page on 'Find Resources' page the following error gets generated. [en - Unable to process request - Server or Network error]

Cause

1. Open a Project and go to 'Team - Staff' page. 
2. Click on Resource Finder icon to open the 'Find Resources' portlet
3. Click on 'Show All' button so that the results displayed is over multiple pages
4. Click on 'Next Page' icon to display second page.

Expected: 

The  Next page gets displayed.

Actual:

An error gets displayed - [en - Unable to process request - Server or Network error]

Environment

Release : 15.9.1

Component : CA PPM RESOURCE MANAGEMENT

Resolution

Logged as defect id: DE60072 which is under review

Additional Information

These errors would be generated in the app-ca.log file

ERROR 2021-03-12 13:15:23,105 [ajp-nio-127.0.0.1-8009-exec-4] vxml.VXMLService (clarity:admin:26262039__6B314B03-02CA-42B4-9F7D-650DECB005CE:resource.resourceFinderSearch) Exception in processing
com.niku.union.web.WebException: Portlet view processing failed for portlet: resource.resourceFinderSearch
 at com.niku.union.web.XMLPageProcessor.processPage(XMLPageProcessor.java:242)
 at com.niku.union.web.XMLPageProcessor.processPage(XMLPageProcessor.java:83)
 at com.ca.clarity.uif.service.vxml.Evolution3PageProcessor.retrievePage(Evolution3PageProcessor.java:165)

Caused by: com.niku.union.web.WebException: com.niku.union.web.WebException: net.sf.saxon.trans.DynamicError: A sequence of more than one item is not allowed as the second argument of concat()
 at com.niku.union.web.XMLPageProcessor.transformDataToView(XMLPageProcessor.java:682)
 at com.niku.union.web.XMLPageProcessor.processPortletXSL(XMLPageProcessor.java:875)
 at com.niku.union.web.XMLPageProcessor.processPage(XMLPageProcessor.java:193)
 ... 57 more
Caused by: com.niku.union.web.WebException: net.sf.saxon.trans.DynamicError: A sequence of more than one item is not allowed as the second argument of concat()