严重: A child containerfailed during start
java.util.concurrent.ExecutionException:org.apache.catalina.LifecycleException: Failed to start component[StandardEngine[Tomcat].StandardHost[localhost].StandardContext[]]
atjava.util.concurrent.FutureTask.report(FutureTask.java:122)
atjava.util.concurrent.FutureTask.get(FutureTask.java:192)
atorg.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1123)
atorg.apache.catalina.core.StandardHost.startInternal(StandardHost.java:800)
atorg.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
atorg.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
atorg.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
atjava.util.concurrent.FutureTask.run(FutureTask.java:266)
atjava.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
atjava.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
atjava.lang.Thread.run(Thread.java:745)
Caused by:org.apache.catalina.LifecycleException: Failed to start component
看到这个问题的时候，真心有点蒙圈了呀，之前从来没有见识过这类的错误，踏下心来仔细看了看控制台爆出的问题，猜测问题出在了spring配置的环节中。
问题是这样硬着头皮就解决了，这个错误坑了我不少时间，我就默默的对自己说，认真点吧，孩纸。
