java.lang.NoClassDefFoundError: com/fasterxml/jackson/core/JsonFactory

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我正在研究 YouTube 广播 示例示例.我创建了一个示例 Java 项目 &添加了所需的罐子.但是，当我尝试运行该项目时，它会抛出异常.

I am working on YouTube broadcast sample examples. I have created a sample Java Project & added required jars. But, when I try to run the project it throws exception.

异常:

Throwable: com/fasterxml/jackson/core/JsonFactory java.lang.NoClassDefFoundError: com/fasterxml/jackson/core/JsonFactory at com.google.api.client.json.jackson2.JacksonFactory.<init>(JacksonFactory.java:44) at com.google.api.services.samples.youtube.cmdline.live.Auth.<clinit>(Auth.java:35) at com.google.api.services.samples.youtube.cmdline.live.CreateBroadcast.main(CreateBroadcast.java:55) Caused by: java.lang.ClassNotFoundException: com.fasterxml.jackson.core.JsonFactory at java.URLClassLoader$1.run(URLClassLoader.java:366) at java.URLClassLoader$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(Native Method) at java.URLClassLoader.findClass(URLClassLoader.java:354) at java.lang.ClassLoader.loadClass(ClassLoader.java:425) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) at java.lang.ClassLoader.loadClass(ClassLoader.java:358) ... 3 more

我从这个 GitHub 存储库下载了该项目.

推荐答案

将以下依赖添加到您的 pom.xml

Add the following dependency to your pom.xml

<dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> <version>2.5.2</version> </dependency>