Install Railo 4.2 Express on Mac

[dutchlab]

When trying to start Railo I get the following output.

Exception in thread "main" java.lang.UnsupportedClassVersionError: org/eclipse/jetty/start/Main : Unsupported major.minor version 51.0

at java.lang.ClassLoader.defineClass1(Native Method)

at java.lang.ClassLoader.defineClassCond(ClassLoader.java:637)

at java.lang.ClassLoader.defineClass(ClassLoader.java:621)

at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)

at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)

at java.net.URLClassLoader.access$000(URLClassLoader.java:58)

at java.net.URLClassLoader$1.run(URLClassLoader.java:197)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(URLClassLoader.java:190)

at java.lang.ClassLoader.loadClass(ClassLoader.java:306)

at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)

 at java.lang.ClassLoader.loadClass(ClassLoader.java:247)

I have installed java 7 update 65

[dutchlab]

I realized the installed only the JRE.  Now I have installed the JDK.  All seems better.

[Igal @ getRailo.org]

Railo runs on a standard JRE and does not require the JDK to run.

it's more likely that you were running Java 6 and that the Jetty version that you were trying to run requires Java 7.

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Igal Sapir
Railo Core Developer
http://getRailo.org/

[scott]

After installing the JRE, the Mac java console indicated that Java 7 was in use.  Not sure why but as soon as I installed the java 7 JDK it all seems to be working.

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