It seems to me like the JRobin is expected different methods, which feels like a difference in the java version, but docs say that tomcat with java 8 is supported. Any advice would be appreciated!

One of the more obvious errors occurs when a public Java class is named differently than the file that contains the class definition. This is demonstrated in the next screen snapshot.

To avoid or minimize network programming errors and exceptions in Java, it is best to use proper exception handling techniques like try-catch-finally blocks, throws clauses, and custom exceptions.

One of my favorite features of JavaFX 2 is the standard charts it provides in its javafx.scene.chart package. This package provides several different types of charts out-of-the-box.