com.google.api.client.json.jackson.JacksonFactory; Google云端硬盘示例中缺少

可以在http://repo2.maven.org/maven2/com/google/http-client/google-http-client-
jackson/中
找到Jackson库

7月7日，Maven可获得最新版本。

<dependency>    <groupId>com.google.http-client</groupId>    <artifactId>google-http-client-jackson</artifactId>    <version>1.15.0-rc</version></dependency>

您可能还需要

<dependency>    <groupId>com.google.oauth-client</groupId>    <artifactId>google-oauth-client-java6</artifactId>    <version>1.15.0-rc</version></dependency>