Eclipse Tomcat custom connector (java.lang.NoClassDefFoundError: org/apache/coyote/http11/Http11NioProtocol)












0















I try to write a custom connector for Tomcat (v9.0). I thought it would be as simple as extending the present Http11NioProtocol and changing the protocol attribute of the connector in the server.xml.



I added my project containing the 'MyConnector' class (extending Http11NioProtocol) to the classpath of the Tomcat server.



But when I start the server I get this exception:



java.lang.NoClassDefFoundError: org/apache/coyote/http11/Http11NioProtocol
at java.lang.ClassLoader.findBootstrapClass(Native Method)
at java.lang.ClassLoader.findBootstrapClassOrNull(ClassLoader.java:1015)
at java.lang.ClassLoader.loadClass(ClassLoader.java:413)
at java.lang.ClassLoader.loadClass(ClassLoader.java:411)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
at java.lang.ClassLoader.loadClass(ClassLoader.java:411)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at org.apache.catalina.connector.Connector.<init>(Connector.java:101)
at org.apache.catalina.startup.ConnectorCreateRule.begin(ConnectorCreateRule.java:64)
at org.apache.tomcat.util.digester.Digester.startElement(Digester.java:1174)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:509)
at com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyElement(AbstractXMLDocumentParser.java:182)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(XMLDocumentFragmentScannerImpl.java:1339)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2784)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:602)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:505)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:842)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:771)
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:643)
at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1439)
at org.apache.catalina.startup.Catalina.load(Catalina.java:605)
at org.apache.catalina.startup.Catalina.load(Catalina.java:656)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:309)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:492)









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    0















    I try to write a custom connector for Tomcat (v9.0). I thought it would be as simple as extending the present Http11NioProtocol and changing the protocol attribute of the connector in the server.xml.



    I added my project containing the 'MyConnector' class (extending Http11NioProtocol) to the classpath of the Tomcat server.



    But when I start the server I get this exception:



    java.lang.NoClassDefFoundError: org/apache/coyote/http11/Http11NioProtocol
    at java.lang.ClassLoader.findBootstrapClass(Native Method)
    at java.lang.ClassLoader.findBootstrapClassOrNull(ClassLoader.java:1015)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:413)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:411)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:411)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:264)
    at org.apache.catalina.connector.Connector.<init>(Connector.java:101)
    at org.apache.catalina.startup.ConnectorCreateRule.begin(ConnectorCreateRule.java:64)
    at org.apache.tomcat.util.digester.Digester.startElement(Digester.java:1174)
    at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:509)
    at com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyElement(AbstractXMLDocumentParser.java:182)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(XMLDocumentFragmentScannerImpl.java:1339)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2784)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:602)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:505)
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:842)
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:771)
    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:643)
    at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1439)
    at org.apache.catalina.startup.Catalina.load(Catalina.java:605)
    at org.apache.catalina.startup.Catalina.load(Catalina.java:656)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:309)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:492)









    share|improve this question



























      0












      0








      0








      I try to write a custom connector for Tomcat (v9.0). I thought it would be as simple as extending the present Http11NioProtocol and changing the protocol attribute of the connector in the server.xml.



      I added my project containing the 'MyConnector' class (extending Http11NioProtocol) to the classpath of the Tomcat server.



      But when I start the server I get this exception:



      java.lang.NoClassDefFoundError: org/apache/coyote/http11/Http11NioProtocol
      at java.lang.ClassLoader.findBootstrapClass(Native Method)
      at java.lang.ClassLoader.findBootstrapClassOrNull(ClassLoader.java:1015)
      at java.lang.ClassLoader.loadClass(ClassLoader.java:413)
      at java.lang.ClassLoader.loadClass(ClassLoader.java:411)
      at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
      at java.lang.ClassLoader.loadClass(ClassLoader.java:411)
      at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
      at java.lang.Class.forName0(Native Method)
      at java.lang.Class.forName(Class.java:264)
      at org.apache.catalina.connector.Connector.<init>(Connector.java:101)
      at org.apache.catalina.startup.ConnectorCreateRule.begin(ConnectorCreateRule.java:64)
      at org.apache.tomcat.util.digester.Digester.startElement(Digester.java:1174)
      at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:509)
      at com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyElement(AbstractXMLDocumentParser.java:182)
      at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(XMLDocumentFragmentScannerImpl.java:1339)
      at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2784)
      at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:602)
      at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:505)
      at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:842)
      at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:771)
      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:643)
      at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1439)
      at org.apache.catalina.startup.Catalina.load(Catalina.java:605)
      at org.apache.catalina.startup.Catalina.load(Catalina.java:656)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:498)
      at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:309)
      at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:492)









      share|improve this question
















      I try to write a custom connector for Tomcat (v9.0). I thought it would be as simple as extending the present Http11NioProtocol and changing the protocol attribute of the connector in the server.xml.



      I added my project containing the 'MyConnector' class (extending Http11NioProtocol) to the classpath of the Tomcat server.



      But when I start the server I get this exception:



      java.lang.NoClassDefFoundError: org/apache/coyote/http11/Http11NioProtocol
      at java.lang.ClassLoader.findBootstrapClass(Native Method)
      at java.lang.ClassLoader.findBootstrapClassOrNull(ClassLoader.java:1015)
      at java.lang.ClassLoader.loadClass(ClassLoader.java:413)
      at java.lang.ClassLoader.loadClass(ClassLoader.java:411)
      at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
      at java.lang.ClassLoader.loadClass(ClassLoader.java:411)
      at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
      at java.lang.Class.forName0(Native Method)
      at java.lang.Class.forName(Class.java:264)
      at org.apache.catalina.connector.Connector.<init>(Connector.java:101)
      at org.apache.catalina.startup.ConnectorCreateRule.begin(ConnectorCreateRule.java:64)
      at org.apache.tomcat.util.digester.Digester.startElement(Digester.java:1174)
      at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:509)
      at com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyElement(AbstractXMLDocumentParser.java:182)
      at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(XMLDocumentFragmentScannerImpl.java:1339)
      at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2784)
      at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:602)
      at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:505)
      at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:842)
      at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:771)
      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:643)
      at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1439)
      at org.apache.catalina.startup.Catalina.load(Catalina.java:605)
      at org.apache.catalina.startup.Catalina.load(Catalina.java:656)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:498)
      at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:309)
      at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:492)






      java eclipse tomcat






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      edited Nov 15 '18 at 15:42







      Florian

















      asked Nov 15 '18 at 15:32









      FlorianFlorian

      12




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