Java – error running calendar API sample code

Attempt to implement from https://developers.google.com/google-apps/calendar/quickstart/java Started Google calendar code, but received the following error:

Exception in thread "main" java.lang.NoClassDefFoundError: org/mortbay/jetty/Handler
at CalendarQuickstart.authorize(CalendarQuickstart.java:76)
at CalendarQuickstart.getCalendarService(CalendarQuickstart.java:89)
at CalendarQuickstart.main(CalendarQuickstart.java:101)
Caused by: java.lang.ClassNotFoundException: org.mortbay.jetty.Handler
at java.net.urlclassloader$1.run(UnkNown Source)
at java.net.urlclassloader$1.run(UnkNown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.urlclassloader.findClass(UnkNown Source)
at java.lang.ClassLoader.loadClass(UnkNown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(UnkNown Source)
at java.lang.ClassLoader.loadClass(UnkNown Source)
... 3 more

This line is

Credential credential = new AuthorizationCodeInstalledApp(
        flow,new LocalServerReceiver()).authorize("user");

Before that, I just started https://developers.google.com/google-apps/calendar/quickstart/java The code is copied and a java project is created, and the two jar files are missing

import com.google.api.client.extensions.java6.auth.oauth2.AuthorizationCodeInstalledApp;
import com.google.api.client.extensions.jetty.auth.oauth2.LocalServerReceiver;

You get this error after importing these jar files Please help

Solution

Google Calendar API Java QuickStart works normally According to the error message you received, you seem to have missed one of the jetty dependencies If you are using the gradle Version (as shown here), please view the jar file - jetty-6.1.26.jar. Under your "gradle dependencies"

If you are missing a jetty dependency, open build. Exe Gradle and check to ensure that all dependencies listed below are included

dependencies {
     compile 'com.google.api-client:google-api-client:1.20.0'
     compile 'com.google.oauth-client:google-oauth-client-jetty:1.20.0'
     compile 'com.google.apis:google-api-services-calendar:v3-rev125-1.20.0'
}

Finally, build and run the gradle file to download the missing dependencies You should start running now!

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