maven管理jar包,tomcat启动的时候,一直报错:Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/dao]]
十一月 10, 2017 3:04:11 下午 org.apache.catalina.core.ContainerBase startInternal 严重: A child container failed during start java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/dao]] at java.util.concurrent.FutureTask.report(Unknown Source) at java.util.concurrent.FutureTask.get(Unknown Source) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:943) at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:871) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/dao]] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162) ... 6 more Caused by: org.apache.catalina.LifecycleException: Failed to start component [org.apache.catalina.webresources.StandardRoot@5504e0d4] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:162) at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:4969) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5102) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145) ... 6 more Caused by: org.apache.catalina.LifecycleException: Failed to initialize component [org.apache.catalina.webresources.JarResourceSet@17217302] at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:107) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:135) at org.apache.catalina.webresources.StandardRoot.startInternal(StandardRoot.java:722) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145) ... 9 more Caused by: java.lang.IllegalArgumentException: java.util.zip.ZipException: invalid LOC header (bad signature) at org.apache.catalina.webresources.AbstractSingleArchiveResourceSet.initInternal(AbstractSingleArchiveResourceSet.java:113) at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102) ... 12 more Caused by: java.util.zip.ZipException: invalid LOC header (bad signature) at java.util.zip.ZipFile.read(Native Method) at java.util.zip.ZipFile.access$1400(Unknown Source) at java.util.zip.ZipFile$ZipFileInputStream.read(Unknown Source) at java.util.zip.ZipFile$ZipFileInflaterInputStream.fill(Unknown Source) at java.util.zip.InflaterInputStream.read(Unknown Source) at sun.misc.IOUtils.readFully(Unknown Source) at java.util.jar.JarFile.getBytes(Unknown Source) at java.util.jar.JarFile.getManifestFromReference(Unknown Source) at java.util.jar.JarFile.getManifest(Unknown Source) at org.apache.catalina.webresources.AbstractSingleArchiveResourceSet.initInternal(AbstractSingleArchiveResourceSet.java:111) ... 13 more
怎么解决了,看了网上的web.xml等,测试了很多都没用,看到别人说jar的问题,最后测试发现是mysql的依赖包有问题。只要加入这个包就报错。
<!-- mysql驱动包 --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.35</version> </dependency>但是始终想不出问题,最后我看了以前的项目,我以前的mysql的jar包是5.0.4的版本。最后修改了版本号,tomcat就可以启动了,运行正常。
所以最后总结是:1、jar包冲突 2、jar的版本问题。
我是第一次用maven管理项目之类的,所以很多的依赖都是网上copy的,版本号也没有研究,还有以上是拙见,能帮到大家很好,有错误也希望大家指正。