每次我构建我的 maven 项目并运行应用程序时，它都会说
[INFO]
[INFO] Jan 07, 2015 5:23:37 PM com.google.apphosting.utils.jetty.JettyLogger warn
[INFO] WARNING: Failed to read file: C:\app\target\app-1.0\WEB-INF\lib\datanucleus-jpa-1.1.5.jar
[INFO] java.util.zip.ZipException: error in opening zip file
[INFO] at java.util.zip.ZipFile.open(Native Method)
[INFO] at java.util.zip.ZipFile.<init>(ZipFile.java:215)
[INFO] at java.util.zip.ZipFile.<init>(ZipFile.java:145)
[INFO] at java.util.jar.JarFile.<init>(JarFile.java:153)
[INFO] at java.util.jar.JarFile.<init>(JarFile.java:117)
[INFO] at org.mortbay.jetty.webapp.TagLibConfiguration.configureWebApp(TagLibConfiguration.java:174)
[INFO] at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1247)
[INFO] at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517)
[INFO] at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467)
[INFO] at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
[INFO] at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
[INFO] at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
[INFO] at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
[INFO] at org.mortbay.jetty.Server.doStart(Server.java:224)
[INFO] at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
[INFO] at com.google.appengine.tools.development.JettyContainerService.startContainer(JettyContainerService.java:255)
[INFO] at com.google.appengine.tools.development.AbstractContainerService.startup(AbstractContainerService.java:288)
[INFO] at …