There are server errors when deploying showcase or other sample apps using the icepush.jar library on Tomcat7:

Tomcat terminal window:
Jan 27, 2016 9:54:53 AM org.apache.catalina.startup.TaglibUriRule body
INFO: TLD skipped. URI: http://www.icepush.org/icepush/jsp/icepush.tld is already defined
Jan 27, 2016 9:54:53 AM org.apache.catalina.core.StandardContext startInternal
SEVERE: Error listenerStart
Jan 27, 2016 9:54:53 AM org.apache.catalina.core.StandardContext startInternal
SEVERE: Context [/showcase] startup failed due to previous errors

Tomcat localhost.YYY-MM-DD.log file:
Jan 27, 2016 3:24:01 PM org.apache.catalina.core.StandardContext listenerStart
SEVERE: Error configuring application listener of class org.icepush.EmailNotificationProvider$AutoRegister
java.lang.ClassNotFoundException: org.icepush.EmailNotificationProvider$AutoRegister
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1702)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1547)
at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:532)
at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:514)
at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:142)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4854)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5434)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633)
at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:983)
at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1660)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)