Getting errors after applying hotfix to v8.0.4

Problem Description:

After applying hotfix package to v8.0.4, jasperserver would not start.  You might be getting some missing jars related Jackson or the following error in localhost.log.

25-Jan-2024 12:07:21.755 INFO [Catalina-utility-3] org.apache.catalina.core.ApplicationContext.log 1 Spring WebApplicationInitializers detected on classpath
25-Jan-2024 12:07:21.798 SEVERE [Catalina-utility-3] org.apache.catalina.core.StandardContext.listenerStart Error configuring application listener of class [net.sf.jasperreports.phantomjs.PhantomJSServletContextListener]
java.lang.ClassNotFoundException: net.sf.jasperreports.phantomjs.PhantomJSServletContextListener
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1407)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1215)
at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:539)
at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:520)
at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:150)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4691)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5230)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:728)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:700)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:696)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1185)
at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1933)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
25-Jan-2024 12:07:21.799 SEVERE [Catalina-utility-3] org.apache.catalina.core.StandardContext.listenerStart Skipped installing application listeners due to previous error(s)

Solution:

When applying the hotfix package for v8.0.4, there are the following sections,

Added files:

Modified files:

Deleted files:

IMPORTANT
If you plan to apply this hotfix to JasperReports Server Pro 8.0.1, 8.0.2, 8.0.3 or 8.0.4 additionally delete the following libraries if found:
WEB-INF/lib/athena-jdbc42-2.0.28.1000.jar
WEB-INF/lib/commons-fileupload-1.*.jar
WEB-INF/lib/jackson-annotations-2.1*.jar.... etc.

*** You must delete all the IMPORTANT files before applying the hotfix files, then delete the files in Deleted files.