no support for tomcat 8

[drthornt]

lots of errors:

$ more catalina.out

• /usr/bin/java -Djava.util.logging.config.file=/usr/share/tomcat/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager -Dfile.encoding=UTF-8 -Dcatalina.logbase=/var/log/tomcat -XX:+DoEscapeAnalysis -XX:+UseConcMarkSweepGC -XX:+CMSClassUn
  loadingEnabled -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:PermSize=128m -XX:MaxPermSize=128m -Xms512m -Xmx512m -Djava.endorsed.dirs=/usr/share/tomcat/endorsed -classpath /usr/share/tomcat/bin/bootstrap.jar:/usr/share/tomcat/bin/tomcat-juli.jar -Dcatalina.base=/usr/
  share/tomcat -Dcatalina.home=/usr/share/tomcat -Djava.io.tmpdir=/usr/share/tomcat/temp org.apache.catalina.startup.Bootstrap start
  Oct 30, 2015 8:52:10 PM org.apache.tomcat.util.digester.Digester startElement
  SEVERE: Begin event threw exception
  java.lang.ClassNotFoundException: org.apache.catalina.core.JasperListener
  at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
  at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
  at java.security.AccessController.doPrivileged(Native Method)
  at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
  at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
  at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
  at org.apache.tomcat.util.digester.ObjectCreateRule.begin(ObjectCreateRule.java:116)
  at org.apache.tomcat.util.digester.Digester.startElement(Digester.java:1178)
  at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:509)
  at com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyElement(AbstractXMLDocumentParser.java:182)
  at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(XMLDocumentFragmentScannerImpl.java:1344)
  at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2787)
  at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:606)
  at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:510)
  at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:848)
  at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:777)
  at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141)
  at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1213)
  at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:642)
  at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1451)
  at org.apache.catalina.startup.Catalina.load(Catalina.java:551)
  at org.apache.catalina.startup.Catalina.load(Catalina.java:599)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.lang.reflect.Method.invoke(Method.java:606)
  at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:310)
  at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:484)

Oct 30, 2015 8:52:10 PM org.apache.catalina.startup.Catalina load
WARNING: Catalina.start using conf/server.xml: Error at (16, 67) : org.apache.catalina.core.JasperListener
Oct 30, 2015 8:52:10 PM org.apache.tomcat.util.digester.Digester startElement
SEVERE: Begin event threw exception
java.lang.ClassNotFoundException: org.apache.catalina.core.JasperListener
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
at org.apache.tomcat.util.digester.ObjectCreateRule.begin(ObjectCreateRule.java:116)
at org.apache.tomcat.util.digester.Digester.startElement(Digester.java:1178)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:509)
at com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyElement(AbstractXMLDocumentParser.java:182)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(XMLDocumentFragmentScannerImpl.java:1344)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2787)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:606)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:510)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:848)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:777)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1213)
at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:642)
at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1451)
at org.apache.catalina.startup.Catalina.load(Catalina.java:551)
at org.apache.catalina.startup.Catalina.start(Catalina.java:613)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:351)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:485)

Oct 30, 2015 8:52:10 PM org.apache.catalina.startup.Catalina load
WARNING: Catalina.start using conf/server.xml: Error at (16, 67) : org.apache.catalina.core.JasperListener
Oct 30, 2015 8:52:10 PM org.apache.catalina.startup.Catalina start
SEVERE: Cannot start server. Server instance is not configured.

[drthornt]

created a PR to fix this.

#33