tomcat/fireside exception

gistfile1.txt

HTTP Status 500 - org/python/core/PyProxy : Unsupported major.minor version 51.0 (unable to load class org.python.core.PyProxy) (unable to load class org.python.tools.fireside.servlet.WSGIServlet)

type Exception report

message org/python/core/PyProxy : Unsupported major.minor version 51.0 (unable to load class org.python.core.PyProxy) (unable to load class org.python.tools.fireside.servlet.WSGIServlet)

description The server encountered an internal error that prevented it from fulfilling this request.

exception

java.lang.UnsupportedClassVersionError: org/python/core/PyProxy : Unsupported major.minor version 51.0 (unable to load class org.python.core.PyProxy) (unable to load class org.python.tools.fireside.servlet.WSGIServlet)
	org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2961)
	org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1210)
	org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1690)
	org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571)
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
	org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)
	org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
	org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:314)
	java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
	java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.lang.Thread.run(Thread.java:701)

note The full stack trace of the root cause is available in the Apache Tomcat/7.0.54 logs.