异常

在线上服务器无法启动tomcat，查看tomcat下的logs/catalina.out日志发现打印错误如下：

24-Dec-2021 10:58:54.874 SEVERE [localhost-startStop-1] org.apache.catalina.core.ContainerBase.addChildInternal ContainerBase.addChild: start: 
 org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/xxx]]
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:167)
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:752)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:728)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734)
	at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1107)
	at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1841)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.catalina.LifecycleException: Failed to start component [org.apache.catalina.webresources.StandardRoot@b5aad3]
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:167)
	at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:4860)
	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4992)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
	... 10 more
Caused by: org.apache.catalina.LifecycleException: Failed to initialize component [org.apache.catalina.webresources.JarResourceSet@581df8]
	at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:112)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:140)
	at org.apache.catalina.webresources.StandardRoot.startInternal(StandardRoot.java:709)
	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
	... 13 more
Caused by: java.lang.IllegalArgumentException: java.util.zip.ZipException: error in opening zip file
	at org.apache.catalina.webresources.AbstractSingleArchiveResourceSet.initInternal(AbstractSingleArchiveResourceSet.java:113)
	at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:107)
	... 16 more
Caused by: java.util.zip.ZipException: error in opening zip file
	at java.util.zip.ZipFile.open(Native Method)
	at java.util.zip.ZipFile.<init>(ZipFile.java:225)
	at java.util.zip.ZipFile.<init>(ZipFile.java:155)
	at java.util.jar.JarFile.<init>(JarFile.java:166)
	at java.util.jar.JarFile.<init>(JarFile.java:103)
	at org.apache.catalina.webresources.AbstractSingleArchiveResourceSet.initInternal(AbstractSingleArchiveResourceSet.java:110)
	... 17 more

24-Dec-2021 10:58:54.874 SEVERE [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Error deploying web application directory /home/apache-tomcat-8.5.13/webapps/xxx
 java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/xxx]]
	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:756)
	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:728)
	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734)
	at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1107)
	at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1841)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)

24-Dec-2021 10:58:54.875 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory /home/apache-tomcat-8.5.13/webapps/xxx has finished in 86 ms
24-Dec-2021 10:58:54.877 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio-8080"]
24-Dec-2021 10:58:54.883 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["ajp-nio-8009"]
24-Dec-2021 10:58:54.885 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in 116 ms

原因

我这里的原因是报错服务器上的第三方jar包不是最新版本（即与能正常运行服务器上相同jar的版本不一样），这里的版本不一定是指版本号最新，而是jar包的内容是否完全一致。

解决

检查报错服务器上的第三方jar包的版本是否与正常服务器上的第三方jar包版本是否一致，如果有版本则先检查版本号。如果没有版本号则检查jar包的上传时间和文件大小，如果不一致则更新为正确服务器上的最新版本。

更新完之后记得重新tomcat。