<plugin>
<groupId>com.google.cloud.tools</groupId>
<artifactId>appengine-maven-plugin</artifactId>
<version>2.2.0</version>
<configuration>
<!-- can be set w/ -DprojectId=myProjectId on command line -->
<projectId>taxideal</projectId>
<!-- set the GAE version or use "GCLOUD_CONFIG" for an autogenerated GAE version -->
<version>290.0.1</version>
</configuration>
</plugin>
What to added in version ? i havde added this but getting error
------------------
ERROR: (gcloud.app.deploy) argument --version/-v: Bad value [290.0.1]: May only contain lowercase letters, digits, and hyphens. Must begin and end with a letter or digit. Must not exceed 63 characters.