在maven 构建javaweb java.nio.file.NoSuchFileException: E:xxxoutartifactsxxx_war_explodedWEB-INFl

Posted 2021-01-06 vs2015

java.nio.file.NoSuchFileException: 
E:\\xxx\\out\\artifacts\\xxx_war_exploded\\WEB-INF\\lib\\mybatis-3.2.2.jar
	at java.base/sun.nio.fs.WindowsException.translateToIOException(WindowsException.java:85)
	at java.base/sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:103)
	at java.base/sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:108)
	at java.base/sun.nio.fs.WindowsFileAttributeViews$Basic.readAttributes(WindowsFileAttributeViews.java:53)
	at java.base/sun.nio.fs.WindowsFileAttributeViews$Basic.readAttributes(WindowsFileAttributeViews.java:38)
	at java.base/sun.nio.fs.WindowsFileSystemProvider.readAttributes(WindowsFileSystemProvider.java:194)
	at java.base/java.nio.file.Files.readAttributes(Files.java:1755)
	at java.base/java.util.zip.ZipFile$Source.get(ZipFile.java:951)
	at java.base/java.util.zip.ZipFile.<init>(ZipFile.java:216)
	at java.base/java.util.zip.ZipFile.<init>(ZipFile.java:148)
	at java.base/java.util.jar.JarFile.<init>(JarFile.java:324)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:488)
	at org.apache.tomcat.util.compat.Jre9Compat.jarFileNewInstance(Jre9Compat.java:209)
	at org.apache.tomcat.util.compat.JreCompat.jarFileNewInstance(JreCompat.java:149)
	at org.apache.catalina.webresources.AbstractArchiveResourceSet.openJarFile(AbstractArchiveResourceSet.java:307)
	at org.apache.catalina.webresources.AbstractSingleArchiveResourceSet.getArchiveEntry(AbstractSingleArchiveResourceSet.java:97)
	at org.apache.catalina.webresources.AbstractArchiveResourceSet.getResource(AbstractArchiveResourceSet.java:256)
	at org.apache.catalina.webresources.StandardRoot.getResourceInternal(StandardRoot.java:281)
	at org.apache.catalina.webresources.Cache.getResource(Cache.java:62)
	at org.apache.catalina.webresources.StandardRoot.getResource(StandardRoot.java:216)
	at org.apache.catalina.webresources.StandardRoot.getClassLoaderResource(StandardRoot.java:225)
	at org.apache.catalina.loader.WebappClassLoaderBase.findClassInternal(WebappClassLoaderBase.java:2274)
	at org.apache.catalina.loader.WebappClassLoaderBase.findClass(WebappClassLoaderBase.java:833)
	at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1278)
	at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1138)
	at blog.control.RegisterServlet.<init>(RegisterServlet.java:19)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:488)
	at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:151)
	at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1032)
	at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:761)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:133)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:490)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:668)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:770)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1415)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	at java.base/java.lang.Thread.run(Thread.java:844)

　　出现异常 提示找不到mybatis文件

然后在WEB-INF文件中找到了mybatis文件 ，当不使用servlet时 直接测试mybatis正常 使用servlet后出现以上错误 

idea查看

 

 发现打包输出的lib文件夹为空

，(此时中的lib不为空，所以直接使用mybatis成功）

解决方法：

选中后右键

问题解决