报错信息：
2019-07-06 19:18:38,398 ERROR [org.apache.catalina.core.ContainerBase] - <A child container failed during start>
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost].TomcatEmbeddedContext[/cas]]
at java.util.concurrent.FutureTask.report(Unknown Source) ~[?:1.8.0_212]
at java.util.concurrent.FutureTask.get(Unknown Source) ~[?:1.8.0_212]
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:939) ~[tomcat-embed-core-8.5.24.jar!/:8.5.24]
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:872) ~[tomcat-embed-core-8.5.24.jar!/:8.5.24]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) ~[tomcat-embed-core-8.5.24.jar!/:8.5.24]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1419) ~[tomcat-embed-core-8.5.24.jar!/:8.5.24]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1409) ~[tomcat-embed-core-8.5.24.jar!/:8.5.24]
at java.util.concurrent.FutureTask.run(Unknown Source) ~[?:1.8.0_212]
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) ~[?:1.8.0_212]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) ~[?:1.8.0_212]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_212]
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost].TomcatEmbeddedContext[/cas]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:167) ~[tomcat-embed-core-8.5.24.jar!/:8.5.24]
... 6 more
Caused by: java.lang.IllegalStateException: java.util.zip.ZipException: invalid entry CRC (expected 0xab3786ef but got 0x6f219bea)
at org.apache.catalina.webresources.JarWarResourceSet.getArchiveEntries(JarWarResourceSet.java:148) ~[tomcat-embed-core-8.5.24.jar!/:8.5.24]
at org.apache.catalina.webresources.AbstractArchiveResourceSet.getResource(AbstractArchiveResourceSet.java:262) ~[tomcat-embed-core-8.5.24.jar!/:8.5.24]
at org.apache.catalina.webresources.StandardRoot.getResourcesInternal(StandardRoot.java:327) ~[tomcat-embed-core-8.5.24.jar!/:8.5.24]
at org.apache.catalina.webresources.CachedResource.validateResources(CachedResource.java:127) ~[tomcat-embed-core-8.5.24.jar!/:8.5.24]
at org.apache.catalina.webresources.Cache.getResources(Cache.java:147) ~[tomcat-embed-core-8.5.24.jar!/:8.5.24]
at org.apache.catalina.webresources.StandardRoot.getResources(StandardRoot.java:315) ~[tomcat-embed-core-8.5.24.jar!/:8.5.24]
at org.apache.catalina.webresources.StandardRoot.getClassLoaderResources(StandardRoot.java:231) ~[tomcat-embed-core-8.5.24.jar!/:8.5.24]
at org.apache.catalina.util.ExtensionValidator.validateApplication(ExtensionValidator.java:147) ~[tomcat-embed-core-8.5.24.jar!/:8.5.24]
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5015) ~[tomcat-embed-core-8.5.24.jar!/:8.5.24]
... 7 more
Caused by: java.util.zip.ZipException: invalid entry CRC (expected 0xab3786ef but got 0x6f219bea)
at java.util.zip.ZipInputStream.readEnd(Unknown Source) ~[?:1.8.0_212]
at java.util.zip.ZipInputStream.read(Unknown Source) ~[?:1.8.0_212]
at java.util.jar.JarInputStream.read(Unknown Source) ~[?:1.8.0_212]
at java.util.zip.ZipInputStream.closeEntry(Unknown Source) ~[?:1.8.0_212]
at java.util.zip.ZipInputStream.getNextEntry(Unknown Source) ~[?:1.8.0_212]
at java.util.jar.JarInputStream.getNextEntry(Unknown Source) ~[?:1.8.0_212]
at java.util.jar.JarInputStream.getNextJarEntry(Unknown Source) ~[?:1.8.0_212]
at org.apache.catalina.webresources.JarWarResourceSet.getArchiveEntries(JarWarResourceSet.java:117) ~[tomcat-embed-core-8.5.24.jar!/:8.5.24]
at org.apache.catalina.webresources.AbstractArchiveResourceSet.getResource(AbstractArchiveResourceSet.java:262) ~[tomcat-embed-core-8.5.24.jar!/:8.5.24]
at org.apache.catalina.webresources.StandardRoot.getResourcesInternal(StandardRoot.java:327) ~[tomcat-embed-core-8.5.24.jar!/:8.5.24]
at org.apache.catalina.webresources.CachedResource.validateResources(CachedResource.java:127) ~[tomcat-embed-core-8.5.24.jar!/:8.5.24]
问题原因：CAS版本的问题
解决办法：
修改pom.xml文件中的CAS版本
例如：将<cas.version>5.2.2</cas.version>改为<cas.version>5.3.9</cas.version>
