The following exception is thrown when a webapplication is started without mail.jar library in the classpath:
java.lang.NoClassDefFoundError: javax/mail/MessagingException
at org.icepush.EmailNotificationProvider$AutoRegister.contextInitialized(EmailNotificationProvider.java:99)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4600)
at org.apache.catalina.core.StandardContext$1.call(StandardContext.java:5097)
at org.apache.catalina.core.StandardContext$1.call(StandardContext.java:5092)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:680)
Caused by: java.lang.ClassNotFoundException: javax.mail.MessagingException
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1676)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1521)
... 9 more