KB-1978 Record icons fail to render after applying a hotfix

Symptoms

Record icons fails to render after applying a hotfix released in May 2019 or later.

The following error is observed in the application server log:

<Error> <HTTP> <BEA-101020> <[ServletContext@1165446757[app:suite module:suite path:null spec-version:3.1]] Servlet failed with an Exception
org.springframework.security.web.firewall.RequestRejectedException: The request was rejected because the URL contained a potentially malicious String ";"
 at org.springframework.security.web.firewall.StrictHttpFirewall.rejectedBlacklistedUrls(StrictHttpFirewall.java:265)
 at org.springframework.security.web.firewall.StrictHttpFirewall.getFirewalledRequest(StrictHttpFirewall.java:245)
 at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:193)
 at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:177)
 at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:347)

Cause

This error will occur if the environment is configured to use spring security and the override files are not merged with the changes introduced in the hotfix.

The hotfix released in May 2019 has the following line added to the spring-security-01-common.xml file: <sec:http-firewall ref="httpFirewall"/>

Action

Add the following line to the spring-security-01-common-override.xml file and restart the application server: <sec:http-firewall ref="httpFirewall"/>

Affected Versions

This article applies to Appian 18.1 Hotfix O, 18.2 Hotfix M, 18.3 Hotfix J or later.

Last Reviewed: August 2019