Error while verifying after configuring jasper reporting server with Identity Manager: java.lang.VerifyError: org/apache/http/params/SyncBasicHttpParams

Document ID : KB000007896
Last Modified Date : 14/02/2018
Show Technical Document Details

After configuring Jasper Reporting and selecting to verify, an error page occurs that says:

Exception During Page Display

java.lang.VerifyError: org/apache/http/params/SyncBasicHttpParams


This error is usually a result of conflicting versions between the version of apache used to compile the files and the version in use. Refer to the following matrix to make sure the version of tomcat you are using is supported: 

Another possible reason is the presence of multiple version of httpcore.jar in tomcat lib folder.