Correct version is 1.0.9
although extension/vectortiles's pom.xml depends on java-vector-tiles 1.0.9
<dependency>
<groupId>no.ecc.vectortile</groupId>
<artifactId>java-vector-tile</artifactId>
<version>1.0.9</version>
</dependency>
version 1.0.8 is being bundled in the .zip. This is likely due to a 1.0.8 in community/script/groovey/pom.xml
<dependency>
<!-- this dependency taken from geoscript-groovy pom but upgraded to 1.0.8 -->
<groupId>no.ecc.vectortile</groupId>
<artifactId>java-vector-tile</artifactId>
<version>1.0.8</version>
<!-- Exclude protobuf here so gt-geobuf can pull in a more recent version -->
<exclusions>
<exclusion>
<groupId>com.google.protobuf</groupId>
<artifactId>protobuf-java</artifactId>
</exclusion>
</exclusions>
</dependency>