He's leaking stacktraces on error BTW:

no SMTP Server defined
at railo.runtime.net.smtp.SMTPClient.send(SMTPClient.java:676):676
at railo.runtime.tag.Mail.doEndTag(Mail.java:519):519
at wheels.global.cfml_cfm$cf._1(/root/sqlfiddle/src/main/webapp/wheels/global/cfml.cfm:93):93
at wheels.global.cfml_cfm$cf.udfCall(/root/sqlfiddle/src/main/webapp/wheels/global/cfml.cfm):-1
at railo.runtime.type.UDFImpl.implementation(UDFImpl.java:215):215
at railo.runtime.type.UDFImpl._call(UDFImpl.java:434):434
at railo.runtime.type.UDFImpl.callWithNamedValues(UDFImpl.java:377):377
at railo.runtime.util.VariableUtilImpl.callFunctionWithNamedValues(VariableUtilImpl.java:774):774
at railo.runtime.PageContextImpl.getFunctionWithNamedValues(PageContextImpl.java:1495):1495
at wheels.events.onerror_cfm$cf.udfCall(/root/sqlfiddle/src/main/webapp/wheels/events/onerror.cfm:42):42
at railo.runtime.type.UDFImpl.implementation(UDFImpl.java:215):215
at railo.runtime.type.UDFImpl._call(UDFImpl.java:434):434
at railo.runtime.type.UDFImpl.callWithNamedValues(UDFImpl.java:377):377
at railo.runtime.tag.Invoke.doFunction(Invoke.java:224):224
at railo.runtime.tag.Invoke.doEndTag(Invoke.java:191):191
at wheels.global.cfml_cfm$cf._1(/root/sqlfiddle/src/main/webapp/wheels/global/cfml.cfm:44):44
at wheels.global.cfml_cfm$cf.udfCall(/root/sqlfiddle/src/main/webapp/wheels/global/cfml.cfm):-1
at railo.runtime.type.UDFImpl.implementation(UDFImpl.java:215):215
at railo.runtime.type.UDFImpl._call(UDFImpl.java:434):434
at railo.runtime.type.UDFImpl.callWithNamedValues(UDFImpl.java:377):377
at railo.runtime.util.VariableUtilImpl.callFunctionWithNamedValues(VariableUtilImpl.java:774):774
at railo.runtime.PageContextImpl.getFunctionWithNamedValues(PageContextImpl.java:1495):1495
at wheels.events.onerror_cfm$cf.udfCall(/root/sqlfiddle/src/main/webapp/wheels/events/onerror.cfm:14):14
at railo.runtime.type.UDFImpl.implementation(UDFImpl.java:215):215
at railo.runtime.type.UDFImpl._call(UDFImpl.java:434):434
at railo.runtime.type.UDFImpl.call(UDFImpl.java:384):384
at railo.runtime.ComponentImpl._call(ComponentImpl.java:615):615
at railo.runtime.ComponentImpl._call(ComponentImpl.java:502):502
at railo.runtime.ComponentImpl.call(ComponentImpl.java:1815):1815
at railo.runtime.listener.ModernAppListener.call(ModernAppListener.java:349):349
at railo.runtime.listener.ModernAppListener.onError(ModernAppListener.java:336):336
at railo.runtime.PageContextImpl.execute(PageContextImpl.java:2045):2045
at railo.runtime.PageContextImpl.execute(PageContextImpl.java:2002):2002
at railo.runtime.engine.CFMLEngineImpl.serviceCFML(CFMLEngineImpl.java:297):297
at railo.loader.servlet.CFMLServlet.service(CFMLServlet.java:32):32
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722):722
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305):305
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210):210
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225):225
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169):169
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168):168
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98):98
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118):118
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407):407
at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:200):200
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:565):565
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:307):307
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source):-1
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source):-1
at java.lang.Thread.run(Unknown Source):-1