org.apache.catalina.LifecycleException during upgrade to JRS v8.0

Problem Description:

If you see the following error during upgrading to v8.0, try the solution below.

22-Apr-2022 01:37:54.192 SEVERE [localhost-startStop-1] org.apache.catalina.core.ContainerBase.addChildInternal ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [standardEngine[Catalina].StandardHost[localhost].StandardContext[/jasperserver]] at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:753) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:727) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:695) at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1177) at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1925) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:829) Caused by: java.lang.IllegalArgumentException: More than one fragment with the name [spring_web] was found. This is not legal with relative ordering. See section 8.2.2 2c of the Servlet specification for details. Consider using absolute ordering. at org.apache.tomcat.util.descriptor.web.WebXml.orderWebFragments(WebXml.java:2205) at org.apache.tomcat.util.descriptor.web.WebXml.orderWebFragments(WebXml.java:2164) at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1083) at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:779) at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:299) at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5130) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ... 10 more

Solution:

Add <absolute-ordering /> in web.xml right under <display-name>: <display-name>JasperServer UI application</display-name> <absolute-ordering />