Новое в разработке httpservlet. Я исследовал это сообщение об ошибке, и большинство сообщений, похоже, указывают на конфликт версий в библиотеках, но я не уверен, что это так.HttpServlet не умеет обрабатывать исключения? org.apache.catalina.LifecycleException: Не удалось запустить компонент

Сообщение об ошибке:

18-Sep-2014 10:55:51.912 SEVERE [RMI TCP Connection(3)-127.0.0.1] org.apache.catalina.core.ContainerBase.addChildInternal ContainerBase.addChild: start: 
org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[]] 
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) 
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:724)

...

Мой код:

import com.fasterxml.jackson.databind.JsonNode; 
import com.github.fge.jsonschema.core.exceptions.ProcessingException; 
import com.github.fge.jsonschema.examples.Utils; 
import com.github.fge.jsonschema.main.JsonSchema; 
import com.github.fge.jsonschema.main.JsonSchemaFactory; 

import java.io.IOException; 
import java.io.PrintWriter; 

public class ServletTest extends javax.servlet.http.HttpServlet { 
    protected void doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) throws javax.servlet.ServletException, IOException { 

    } 

    protected void doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) throws javax.servlet.ServletException, IOException { 
     PrintWriter out = response.getWriter(); 

     final JsonSchemaFactory factory = JsonSchemaFactory.byDefault(); 
     final JsonNode _schema = Utils.loadResource("/res/test-schema.json"); 
     try { 
      final JsonSchema schema = factory.getJsonSchema(_schema); 
     } catch (ProcessingException e) { 
      out.println(e.getMessage()); 
      e.printStackTrace(); 
     } 

     out.println("Success"); 
    } 

}

Мой web.xml:

<?xml version="1.0" encoding="UTF-8"?> 
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" 
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
     xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" 
     version="3.1"> 
    <servlet> 
     <servlet-name>ServletTest</servlet-name> 
     <servlet-class>ServletTest</servlet-class> 
    </servlet> 
    <servlet-mapping> 
     <servlet-name>ServletTest</servlet-name> 
     <url-pattern>/test</url-pattern> 
    </servlet-mapping> 
</web-app>

Мои библиотеки:

сервлет-api.jar от Tomcat 8.0
com.githib.fge: JSON-схемы-валидатор: 2.2.5 от Maven
jdk1.8.0_05

Любая идея, что случилось ? Конечно, если я закомментировать пункт try...catch я получаю сообщение «Success»

EDIT 1:

Полный след ошибка:

18-Sep-2014 10:55:51.912 SEVERE [RMI TCP Connection(3)-127.0.0.1] org.apache.catalina.core.ContainerBase.addChildInternal ContainerBase.addChild: start: 
org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[]] 
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) 
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:724) 
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:700) 
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:714) 
    at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1588) 
    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:483) 
    at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300) 
[2014-09-18 10:55:51,927] Artifact CatalinaError:war exploded: Error during artifact deployment. See server log for details. 
    at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) 
    at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) 
    at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:463) 
    at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:413) 
    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:483) 
    at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300) 
    at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) 
    at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) 
    at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1466) 
    at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76) 
    at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1307) 
    at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1399) 
    at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:828) 
    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:483) 
    at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:323) 
    at sun.rmi.transport.Transport$1.run(Transport.java:178) 
    at sun.rmi.transport.Transport$1.run(Transport.java:175) 
    at java.security.AccessController.doPrivileged(Native Method) 
    at sun.rmi.transport.Transport.serviceCall(Transport.java:174) 
    at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:557) 
    at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:812) 
    at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:671) 
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
    at java.lang.Thread.run(Thread.java:745) 
Caused by: java.lang.NoClassDefFoundError: com/github/fge/jsonschema/core/exceptions/ProcessingException 
    at java.lang.Class.getDeclaredFields0(Native Method) 
    at java.lang.Class.privateGetDeclaredFields(Class.java:2570) 
    at java.lang.Class.getDeclaredFields(Class.java:1903) 
    at org.apache.catalina.util.Introspection.getDeclaredFields(Introspection.java:106) 
    at org.apache.catalina.startup.WebAnnotationSet.loadFieldsAnnotation(WebAnnotationSet.java:262) 
    at org.apache.catalina.startup.WebAnnotationSet.loadApplicationServletAnnotations(WebAnnotationSet.java:132) 
    at org.apache.catalina.startup.WebAnnotationSet.loadApplicationAnnotations(WebAnnotationSet.java:65) 
    at org.apache.catalina.startup.ContextConfig.applicationAnnotationsConfig(ContextConfig.java:331) 
    at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:770) 
    at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:302) 
    at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117) 
    at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90) 
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5074) 
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) 
    ... 40 more 
Caused by: java.lang.ClassNotFoundException: com.github.fge.jsonschema.core.exceptions.ProcessingException 
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1320) 
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1173) 
    ... 54 more 

18-Sep-2014 10:55:51.914 SEVERE [RMI TCP Connection(3)-127.0.0.1] org.apache.tomcat.util.modeler.BaseModelMBean.invoke Exception invoking method manageApp 
java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[]] 
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:727) 
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:700) 
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:714) 
    at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1588) 
    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:483) 
    at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300) 
    at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) 
    at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) 
    at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:463) 
    at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:413) 
    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:483) 
    at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300) 
    at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) 
    at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) 
    at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1466) 
    at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76) 
    at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1307) 
    at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1399) 
    at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:828) 
    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:483) 
    at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:323) 
    at sun.rmi.transport.Transport$1.run(Transport.java:178) 
    at sun.rmi.transport.Transport$1.run(Transport.java:175) 
    at java.security.AccessController.doPrivileged(Native Method) 
    at sun.rmi.transport.Transport.serviceCall(Transport.java:174) 
    at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:557) 
    at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:812) 
    at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:671) 
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
    at java.lang.Thread.run(Thread.java:745) 

18-Sep-2014 10:55:51.915 SEVERE [RMI TCP Connection(3)-127.0.0.1] org.apache.tomcat.util.modeler.BaseModelMBean.invoke Exception invoking method createStandardContext 
javax.management.RuntimeOperationsException: Exception invoking method manageApp 
    at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:308) 
    at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) 
    at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) 
    at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:463) 
    at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:413) 
    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:483) 
    at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300) 
    at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819) 
    at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801) 
    at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1466) 
    at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76) 
    at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1307) 
    at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1399) 
    at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:828) 
    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:483) 
    at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:323) 
    at sun.rmi.transport.Transport$1.run(Transport.java:178) 
    at sun.rmi.transport.Transport$1.run(Transport.java:175) 
    at java.security.AccessController.doPrivileged(Native Method) 
    at sun.rmi.transport.Transport.serviceCall(Transport.java:174) 
    at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:557) 
    at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:812) 
    at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:671) 
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
    at java.lang.Thread.run(Thread.java:745) 
Caused by: java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[]] 
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:727) 
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:700) 
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:714) 
    at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1588) 
    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:483) 
    at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300) 
    ... 31 more

источник

2014-09-18 phaedo

Не останавливайтесь на первом исключении, которое вы видите. Для журналов гораздо больше, чем того, что вы разместили. –

поиск вызванный в вашем журнале – kirti

ok только что отредактированный с полной ошибкой ошибки ... (и что-то нужно сказать о бесконечных загадочных сообщениях об ошибках java!) – phaedo

Тайна решена библиотека JSON-схемы-валидатор не хватало артефакт. Сейчас все работает нормально. Извините, что

источник

2014-09-19 15:59:54 phaedo

вы должны отметить это как ответ –

HttpServlet не умеет обрабатывать исключения? org.apache.catalina.LifecycleException: Не удалось запустить компонент

EDIT 1:

ответ

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