Tomcat报错:
严重: A child container failed during start
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/myApp]]

1、截图说明

2、Console输出

  1. 三月 14, 2018 2:48:58 下午 org.apache.tomcat.util.digester.SetPropertiesRule begin
  2. 警告: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:myApp' did not find a matching property.
  3. 三月 14, 2018 2:48:58 下午 org.apache.catalina.startup.VersionLoggerListener log
  4. 信息: Server version: Apache Tomcat/8.0.50
  5. 三月 14, 2018 2:48:58 下午 org.apache.catalina.startup.VersionLoggerListener log
  6. 信息: Server built: Feb 7 2018 20:06:05 UTC
  7. 三月 14, 2018 2:48:58 下午 org.apache.catalina.startup.VersionLoggerListener log
  8. 信息: Server number: 8.0.50.0
  9. 三月 14, 2018 2:48:58 下午 org.apache.catalina.startup.VersionLoggerListener log
  10. 信息: OS Name: Windows 10
  11. 三月 14, 2018 2:48:58 下午 org.apache.catalina.startup.VersionLoggerListener log
  12. 信息: OS Version: 10.0
  13. 三月 14, 2018 2:48:58 下午 org.apache.catalina.startup.VersionLoggerListener log
  14. 信息: Architecture: amd64
  15. 三月 14, 2018 2:48:58 下午 org.apache.catalina.startup.VersionLoggerListener log
  16. 信息: Java Home: C:\MyDev\Java\jdk1.8.0_131\jre
  17. 三月 14, 2018 2:48:58 下午 org.apache.catalina.startup.VersionLoggerListener log
  18. 信息: JVM Version: 1.8.0_131-b11
  19. 三月 14, 2018 2:48:58 下午 org.apache.catalina.startup.VersionLoggerListener log
  20. 信息: JVM Vendor: Oracle Corporation
  21. 三月 14, 2018 2:48:58 下午 org.apache.catalina.startup.VersionLoggerListener log
  22. 信息: CATALINA_BASE: C:\MyDev\Tomcat\apache-tomcat-8.0.50
  23. 三月 14, 2018 2:48:58 下午 org.apache.catalina.startup.VersionLoggerListener log
  24. 信息: CATALINA_HOME: C:\MyDev\Tomcat\apache-tomcat-8.0.50
  25. 三月 14, 2018 2:48:58 下午 org.apache.catalina.startup.VersionLoggerListener log
  26. 信息: Command line argument: -Dmaven.multiModuleProjectDirectory=$MAVEN_HOME
  27. 三月 14, 2018 2:48:58 下午 org.apache.catalina.startup.VersionLoggerListener log
  28. 信息: Command line argument: -Dcatalina.base=C:\MyDev\Tomcat\apache-tomcat-8.0.50
  29. 三月 14, 2018 2:48:58 下午 org.apache.catalina.startup.VersionLoggerListener log
  30. 信息: Command line argument: -Dcatalina.home=C:\MyDev\Tomcat\apache-tomcat-8.0.50
  31. 三月 14, 2018 2:48:58 下午 org.apache.catalina.startup.VersionLoggerListener log
  32. 信息: Command line argument: -Dwtp.deploy=C:\MyDev\Tomcat\apache-tomcat-8.0.50\webapps
  33. 三月 14, 2018 2:48:58 下午 org.apache.catalina.startup.VersionLoggerListener log
  34. 信息: Command line argument: -Djava.endorsed.dirs=C:\MyDev\Tomcat\apache-tomcat-8.0.50\endorsed
  35. 三月 14, 2018 2:48:58 下午 org.apache.catalina.startup.VersionLoggerListener log
  36. 信息: Command line argument: -Dfile.encoding=UTF-8
  37. 三月 14, 2018 2:48:58 下午 org.apache.catalina.core.AprLifecycleListener lifecycleEvent
  38. 信息: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\MyDev\Java\jdk1.8.0_131\bin;C:\WINDOWS\Sun\Java\bin;C:\WINDOWS\system32;C:\WINDOWS;C:/MyDev/Java/jre1.8.0_131/bin/server;C:/MyDev/Java/jre1.8.0_131/bin;C:/MyDev/Java/jre1.8.0_131/lib/amd64;C:\ProgramData\Oracle\Java\javapath;C:\windows\system32;C:\Program Files (x86)\Skype\Phone\;C:\MyDev\Maven\apache-maven-3.5.2\bin;C:\MyDev\Java\jdk1.7.0_67\bin;"C:\MyDev\Java\jdk1.7.0_67\jre\bin;";C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\MyDev\Git\cmd;C:\MyDev\nodejs\;C:\Users\zjp\AppData\Local\Microsoft\WindowsApps;C:\Users\zjp\AppData\Roaming\npm;C:\MyDev\eclipse-jee-luna-SR2-win32-x86_64;;.
  39. 三月 14, 2018 2:48:58 下午 org.apache.coyote.AbstractProtocol init
  40. 信息: Initializing ProtocolHandler ["http-nio-8080"]
  41. 三月 14, 2018 2:48:59 下午 org.apache.tomcat.util.net.NioSelectorPool getSharedSelector
  42. 信息: Using a shared selector for servlet write/read
  43. 三月 14, 2018 2:48:59 下午 org.apache.coyote.AbstractProtocol init
  44. 信息: Initializing ProtocolHandler ["ajp-nio-8009"]
  45. 三月 14, 2018 2:48:59 下午 org.apache.tomcat.util.net.NioSelectorPool getSharedSelector
  46. 信息: Using a shared selector for servlet write/read
  47. 三月 14, 2018 2:48:59 下午 org.apache.catalina.startup.Catalina load
  48. 信息: Initialization processed in 1416 ms
  49. 三月 14, 2018 2:48:59 下午 org.apache.catalina.core.StandardService startInternal
  50. 信息: Starting service Catalina
  51. 三月 14, 2018 2:48:59 下午 org.apache.catalina.core.StandardEngine startInternal
  52. 信息: Starting Servlet Engine: Apache Tomcat/8.0.50
  53. 三月 14, 2018 2:49:06 下午 org.apache.catalina.core.ContainerBase startInternal
  54. 严重: A child container failed during start
  55. java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/myApp]]
  56. at java.util.concurrent.FutureTask.report(FutureTask.java:122)
  57. at java.util.concurrent.FutureTask.get(FutureTask.java:192)
  58. at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:943)
  59. at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:871)
  60. at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
  61. at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
  62. at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
  63. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  64. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
  65. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
  66. at java.lang.Thread.run(Thread.java:748)
  67. Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/myApp]]
  68. at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)
  69. ... 6 more
  70. Caused by: java.lang.IllegalArgumentException: Invalid <url-pattern> servlet/loginServlet in servlet mapping
  71. at org.apache.catalina.core.StandardContext.addServletMappingDecoded(StandardContext.java:3195)
  72. at org.apache.catalina.core.StandardContext.addServletMappingDecoded(StandardContext.java:3182)
  73. at org.apache.catalina.startup.ContextConfig.configureContext(ContextConfig.java:1384)
  74. at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1192)
  75. at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:782)
  76. at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:307)
  77. at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:95)
  78. at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
  79. at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5221)
  80. at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
  81. ... 6 more
  82.  
  83. 三月 14, 2018 2:49:06 下午 org.apache.catalina.core.ContainerBase startInternal
  84. 严重: A child container failed during start
  85. java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost]]
  86. at java.util.concurrent.FutureTask.report(FutureTask.java:122)
  87. at java.util.concurrent.FutureTask.get(FutureTask.java:192)
  88. at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:943)
  89. at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)
  90. at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
  91. at org.apache.catalina.core.StandardService.startInternal(StandardService.java:441)
  92. at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
  93. at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:789)
  94. at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
  95. at org.apache.catalina.startup.Catalina.start(Catalina.java:641)
  96. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  97. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  98. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  99. at java.lang.reflect.Method.invoke(Method.java:498)
  100. at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:349)
  101. at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:483)
  102. Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost]]
  103. at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)
  104. at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
  105. at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
  106. at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  107. at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
  108. at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
  109. at java.lang.Thread.run(Thread.java:748)
  110. Caused by: org.apache.catalina.LifecycleException: A child container failed during start
  111. at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:951)
  112. at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:871)
  113. at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
  114. ... 6 more
  115.  
  116. 三月 14, 2018 2:49:06 下午 org.apache.catalina.startup.Catalina start
  117. 严重: The required Server component failed to start so Tomcat is unable to start.
  118. org.apache.catalina.LifecycleException: Failed to start component [StandardServer[8005]]
  119. at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)
  120. at org.apache.catalina.startup.Catalina.start(Catalina.java:641)
  121. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  122. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  123. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  124. at java.lang.reflect.Method.invoke(Method.java:498)
  125. at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:349)
  126. at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:483)
  127. Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardService[Catalina]]
  128. at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)
  129. at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:789)
  130. at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
  131. ... 7 more
  132. Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina]]
  133. at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)
  134. at org.apache.catalina.core.StandardService.startInternal(StandardService.java:441)
  135. at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
  136. ... 9 more
  137. Caused by: org.apache.catalina.LifecycleException: A child container failed during start
  138. at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:951)
  139. at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)
  140. at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
  141. ... 11 more
  142.  
  143. 三月 14, 2018 2:49:06 下午 org.apache.coyote.AbstractProtocol pause
  144. 信息: Pausing ProtocolHandler ["http-nio-8080"]
  145. 三月 14, 2018 2:49:06 下午 org.apache.coyote.AbstractProtocol pause
  146. 信息: Pausing ProtocolHandler ["ajp-nio-8009"]
  147. 三月 14, 2018 2:49:06 下午 org.apache.catalina.core.StandardService stopInternal
  148. 信息: Stopping service Catalina
  149. 三月 14, 2018 2:49:06 下午 org.apache.coyote.AbstractProtocol destroy
  150. 信息: Destroying ProtocolHandler ["http-nio-8080"]
  151. 三月 14, 2018 2:49:06 下午 org.apache.coyote.AbstractProtocol destroy
  152. 严重: Failed to destroy end point associated with ProtocolHandler ["http-nio-8080"]
  153. java.lang.NullPointerException
  154. at org.apache.tomcat.util.net.NioEndpoint.releaseCaches(NioEndpoint.java:315)
  155. at org.apache.tomcat.util.net.NioEndpoint.unbind(NioEndpoint.java:491)
  156. at org.apache.tomcat.util.net.AbstractEndpoint.destroy(AbstractEndpoint.java:896)
  157. at org.apache.coyote.AbstractProtocol.destroy(AbstractProtocol.java:551)
  158. at org.apache.catalina.connector.Connector.destroyInternal(Connector.java:1023)
  159. at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:292)
  160. at org.apache.catalina.core.StandardService.destroyInternal(StandardService.java:589)
  161. at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:292)
  162. at org.apache.catalina.core.StandardServer.destroyInternal(StandardServer.java:879)
  163. at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:292)
  164. at org.apache.catalina.startup.Catalina.start(Catalina.java:645)
  165. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  166. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  167. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  168. at java.lang.reflect.Method.invoke(Method.java:498)
  169. at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:349)
  170. at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:483)
  171.  
  172. 三月 14, 2018 2:49:06 下午 org.apache.coyote.AbstractProtocol destroy
  173. 信息: Destroying ProtocolHandler ["ajp-nio-8009"]
  174. 三月 14, 2018 2:49:06 下午 org.apache.coyote.AbstractProtocol destroy
  175. 严重: Failed to destroy end point associated with ProtocolHandler ["ajp-nio-8009"]
  176. java.lang.NullPointerException
  177. at org.apache.tomcat.util.net.NioEndpoint.releaseCaches(NioEndpoint.java:315)
  178. at org.apache.tomcat.util.net.NioEndpoint.unbind(NioEndpoint.java:491)
  179. at org.apache.tomcat.util.net.AbstractEndpoint.destroy(AbstractEndpoint.java:896)
  180. at org.apache.coyote.AbstractProtocol.destroy(AbstractProtocol.java:551)
  181. at org.apache.catalina.connector.Connector.destroyInternal(Connector.java:1023)
  182. at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:292)
  183. at org.apache.catalina.core.StandardService.destroyInternal(StandardService.java:589)
  184. at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:292)
  185. at org.apache.catalina.core.StandardServer.destroyInternal(StandardServer.java:879)
  186. at org.apache.catalina.util.LifecycleBase.destroy(LifecycleBase.java:292)
  187. at org.apache.catalina.startup.Catalina.start(Catalina.java:645)
  188. at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  189. at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  190. at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  191. at java.lang.reflect.Method.invoke(Method.java:498)
  192. at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:349)
  193. at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:483)

3、报错分析

发生原因是:在部署描述符(web.xml)中配置的<url-pattern>出现问题,格式不正确,该格式必须符合url模式,要在前面加上"/"表示相对路径。

4、解决方法

修改成正确的url模式:"/servlet/loginServlet"

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