本文共 4234 字，大约阅读时间需要 14 分钟。

作者：朱金灿

来源：

       在eclipse启动一个java web项目时出现

七月 24, 2019 7:04:01 下午 org.apache.catalina.core.ContainerBase startInternal

严重: A child container failed during start

java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost]]

         at java.util.concurrent.FutureTask.report(Unknown Source)

         at java.util.concurrent.FutureTask.get(Unknown Source)

         at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:945)

         at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)

         at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)

         at org.apache.catalina.core.StandardService.startInternal(StandardService.java:441)

         at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)

         at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:789)

         at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)

         at org.apache.catalina.startup.Catalina.start(Catalina.java:641)

         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

         at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

         at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

         at java.lang.reflect.Method.invoke(Unknown Source)

         at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:349)

         at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:483)

Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost]]

         at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)

         at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1410)

         at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1400)

         at java.util.concurrent.FutureTask.run(Unknown Source)

         at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)

         at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)

         at java.lang.Thread.run(Unknown Source)

Caused by: org.apache.catalina.LifecycleException: A child container failed during start

         at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:953)

         at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:871)

         at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)

         ... 6 more

七月 24, 2019 7:04:01 下午 org.apache.catalina.startup.Catalina start

严重: The required Server component failed to start so Tomcat is unable to start.

org.apache.catalina.LifecycleException: Failed to start component [StandardServer[8005]]

         at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)

         at org.apache.catalina.startup.Catalina.start(Catalina.java:641)

         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

         at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

         at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

         at java.lang.reflect.Method.invoke(Unknown Source)

         at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:349)

         at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:483)

Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardService[Catalina]]

         at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)

         at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:789)

         at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)

         ... 7 more

Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina]]

         at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162)

         at org.apache.catalina.core.StandardService.startInternal(StandardService.java:441)

         at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)

         ... 9 more

Caused by: org.apache.catalina.LifecycleException: A child container failed during start

         at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:953)

         at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)

         at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)

         ... 11 more

   开始是百思不得其解，因为同样的项目在同事机器上没有出现，后来想到我安装的是jdk1.8，用的tomcat 8.0，同事用的是toncat 9.0。后来我换为tomcat 9.0就好了。网上搜了下，原来jdk和tomcat是有对应关系的，具体见：。

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