android - Where would this maven dependency be coming from? -
i getting warning , error when tries download mysterious + version of gson. pom requesting version 2.3.1 not mysterious +. coming from? have similar issue android support v20 pom requesting v18 trying pull v20.
[warning] pom com.google.code.gson:gson:jar:+ missing, no dependency information available  org.eclipse.aether.resolution.artifactresolutionexception: following artifacts not resolved: com.google.code.gson:gson:jar:+, com.android.support:support-v4:jar:20.+: failure find com.google.code.gson:gson:jar:+ in file://c:\dev\git\myapp\main/../repo cached in local repository, resolution not reattempted until update interval of repo has elapsed or updates forced   i have tried force update doing mvn install -u didn't either.
in pom.xml
 <dependency>        <groupid>com.google.code.gson</groupid>        <artifactid>gson</artifactid>        <version>2.3.1</version>    </dependency>      
do
mvn clean   and then
mvn dependency:tree   and analyze pulling dependency