com.atlassian.oai.validator.model.SimpleRequest.getFromMapOrEmptyList(SimpleRequest.java:100): java.lang.IncompatibleClassChangeError

Issue

The following error(s) are being seen in the Contrast Java agent logs when trying to instrument your application:

OBJ:java.lang.StringBuilder[java.lang.IncompatibleClassChangeError with message "class com/goo...rest.handlers.basket.BootsBasketHandler@a7759f05 with parameters [11352, null, null]]*1161278355.append

RET:java.lang.Appendable[java.lang.IncompatibleClassChangeError with message "class com/goo...rest.handlers.basket.BootsBasketHandler@a7759f05 with parameters [11352, null, null]]*1161278355

OBJ:java.lang.StringBuilder[java.lang.IncompatibleClassChangeError with message "class com/google/commo...ache.wink.server.internal.servlet.RestServlet.service(RestServlet.java:119)]*1161278355.toString

Cause

Java agent is added into the Websphere with older Java builds.

Resolution

Upgrade to a java runtime >= 8.0.6.25

Reference:
https://www.ibm.com/support/pages/apar/IJ29137