今天公司springboot項目準備部署到測試服務器上進行測試，打包好war后放到tomcat里面啟動后，前端文件能訪問到，但是接口請求一直是404，一直找了很久的原因，tomcat啟動是成功的，war打包的時候也提示build success了，tomcat啟動日志發現報錯：

java.lang.IllegalStateException: 啟動子級時出錯
  at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:720)
  at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:690)
  at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:705)
  at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:978)
  at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1848)
  at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
  at java.util.concurrent.FutureTask.run(Unknown Source)
  at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
  at java.util.concurrent.AbstractExecutorService.submit(Unknown Source)
  at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:773)
  at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:427)
  at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1576)
  at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:309)
  at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
  at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:423)
  at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:366)
  at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:936)
  at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841)
  at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
  at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384)
  at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374)
  at java.util.concurrent.FutureTask.run(Unknown Source)
  at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
  at java.util.concurrent.AbstractExecutorService.submit(Unknown Source)
  at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909)
  at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)
  at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
  at org.apache.catalina.core.StandardService.startInternal(StandardService.java:421)
  at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
  at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:930)
  at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
  at org.apache.catalina.startup.Catalina.start(Catalina.java:738)
  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:342)
  at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:473)
 Caused by: org.apache.catalina.LifecycleException: 初始化組件[org.apache.catalina.webresources.JarResourceSet@67d48005]失敗。
  at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440)
  at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:139)
  at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:173)
  at org.apache.catalina.webresources.StandardRoot.startInternal(StandardRoot.java:726)
  at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
  at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:4792)
  at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4928)
  at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
  at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:717)
  ... 37 more
 Caused by: java.lang.IllegalArgumentException: java.util.zip.ZipException: error in opening zip file
  at org.apache.catalina.webresources.AbstractSingleArchiveResourceSet.initInternal(AbstractSingleArchiveResourceSet.java:143)
  at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:136)
  ... 44 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>(Unknown Source)
  at java.util.zip.ZipFile.<init>(Unknown Source)
  at java.util.jar.JarFile.<init>(Unknown Source)
  at java.util.jar.JarFile.<init>(Unknown Source)
  at org.apache.tomcat.util.compat.JreCompat.jarFileNewInstance(JreCompat.java:221)
  at org.apache.tomcat.util.compat.JreCompat.jarFileNewInstance(JreCompat.java:206)
  at org.apache.catalina.webresources.AbstractSingleArchiveResourceSet.initInternal(AbstractSingleArchiveResourceSet.java:140)
  ... 45 more

一直在關注：啟動子級時出錯，找了很久沒有解決！后面關注到下面的zip錯誤問題，然后再回去考慮打包的問題，終于發現打包的時候出現了問題，雖然最后是build success，但是前面提示了有error沒注意到，截圖如下：

這就是問題所在，怎么解決的呢？

解決方法：

將報錯的jar包從maven倉庫中刪除掉，然后重新下載打包，發現這一次沒有報錯error，然后扔到tomcat里面啟動沒有錯誤日志了，訪問也正常了！

謹以此文章記錄提醒以后自己多關注一下項目執行、打包等過程和日志等！

總結

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