我的maven webapp項目在tomcat7上成功啓動，但tomcat8失敗了，爲什麼？

Question

嚴重：子容器開始

java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/basic_struts]] 
    at java.util.concurrent.FutureTask.report(FutureTask.java:122) 
    at java.util.concurrent.FutureTask.get(FutureTask.java:192) 
    at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:915) 
    at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:871) 
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147) 
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1407) 
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1397) 
    at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
    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: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/basic_struts]] 
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:153) 
    ... 6 more 

Answer 1

重新啓動Tomcat過程中失敗，併發布您的應用。如果它再次出現。看看你的tomcat，看看這個jar是否缺少commons-digester3-3.2.jar。

而你的應用程序是一個maven網絡應用程序，如果該jar丟失。將這些行添加到您的pom.xml。

<dependency> 
    <groupId>commons-digester</groupId> 
    <artifactId>commons-digester</artifactId> 
    <version>2.1</version> 
</dependency> 

最後推薦Tomcat 7。