我正在研究YouTube broadcast
示例示例。我創建了一個樣本Java Project
&添加了所需的罐子。但是,當我嘗試運行該項目時會拋出異常。java.lang.NoClassDefFoundError:com/fasterxml/jackson/core/JsonFactory
例外:
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.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
... 3 more
我從this GitHub repository下載的項目。
你使用maven運行它嗎? – Nitek
看起來像com.fasterxml.jackson.core:在pom.xml中缺少jackson-core依賴項 – Pro
您在運行時遺漏了一些在編譯時使用的jar。 –