【问题标题】:Error when updating GAE application - missing appengine-web.xml更新 GAE 应用程序时出错 - 缺少 appengine-web.xml
【发布时间】:2015-08-08 19:36:09
【问题描述】:

早上好,

我正在使用一些端点创建 GAE 应用程序。我多次上传我的应用程序,一切正常,但发生了一些事情(我认为这是我的 pom.xml),现在我可以调用

 maven install

没有错误,但是当我打电话时

maven appengine:update 

控制台显示 FileNotFoundException,因为缺少 appengine-web.xml。

这是我的堆栈跟踪:

    com.google.apphosting.utils.config.AppEngineConfigException: Could not locate D:\Workspace\myProject\v0.6\myProject\target\myProject-0.0.1-SNAPSHOT\WEB-INF\appengine-web.xml
    at com.google.apphosting.utils.config.AppEngineWebXmlReader.getInputStream(AppEngineWebXmlReader.java:141)
    at com.google.apphosting.utils.config.AppEngineWebXmlReader.readAppEngineWebXml(AppEngineWebXmlReader.java:75)
    at com.google.appengine.tools.admin.Application.<init>(Application.java:185)
    at com.google.appengine.tools.admin.Application.readApplication(Application.java:322)
    at com.google.appengine.tools.admin.AppCfg.readWar(AppCfg.java:283)
    at com.google.appengine.tools.admin.AppCfg.readApplication(AppCfg.java:274)
    at com.google.appengine.tools.admin.AppCfg.<init>(AppCfg.java:212)
    at com.google.appengine.tools.admin.AppCfg.<init>(AppCfg.java:124)
    at com.google.appengine.tools.admin.AppCfg.main(AppCfg.java:120)
    at com.google.appengine.appcfg.AbstractAppCfgMojo.executeAppCfgCommand(AbstractAppCfgMojo.java:248)
    at com.google.appengine.appcfg.Update.execute(Update.java:32)
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:132)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
    at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:120)
    at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:355)
    at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:155)
    at org.apache.maven.cli.MavenCli.execute(MavenCli.java:584)
    at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:216)
    at org.apache.maven.cli.MavenCli.main(MavenCli.java:160)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: java.io.FileNotFoundException: D:\Workspace\myProject\v0.6\myProject\target\myProject-0.0.1-SNAPSHOT\WEB-INF\appengine-web.xml (Nie można odnaleźć określonego pliku)
    at java.io.FileInputStream.open(Native Method)
    at java.io.FileInputStream.<init>(FileInputStream.java:146)
    at java.io.FileInputStream.<init>(FileInputStream.java:101)
    at com.google.apphosting.utils.config.AppEngineWebXmlReader.getInputStream(AppEngineWebXmlReader.java:137)
    ... 31 more

我从这里复制了 pom.xml 中的“构建”部分: https://github.com/GoogleCloudPlatform/appengine-endpoints-helloendpoints-java-maven/blob/master/pom.xml

我当然不惊讶,因为在我的“target”目录中我只有“class”目录,但不知道为什么这个目录中的“WEB-INF”没有生成。

--编辑--

当然,我已经在我的 WEB-INF 目录中创建了 appengine-web.xml

【问题讨论】:

    标签: java xml maven google-app-engine


    【解决方案1】:

    这是我的错。我有

    <packaging>jar</packaging>
    

    而不是

    <packaging>war</packaging>
    

    在我的 pom.xml 中,所以项目没有正确生成。

    【讨论】:

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