tinkerpop - 在 Tinkerpop3 中安装 Giraph-Gremlin 时出现错误：No FileSystem for scheme:file

Question

我正在尝试在 Tinkerpop3 中安装 Giraph-Gremlin：

$ bin/gremlin.sh

       \,,,/
         (o o)
-----oOOo-(3)-oOOo-----
plugin activated: server
plugin activated: utilities
gremlin> :install com.tinkerpop giraph-gremlin 3.0.0.M1
==>loaded: [com.tinkerpop, giraph-gremlin, 3.0.0.M1] - restart the console to use [giraph]
gremlin> :q
$ bin/gremlin.sh

         \,,,/
         (o o)
-----oOOo-(3)-oOOo-----
plugin activated: server
plugin activated: utilities
gremlin> :plugin use giraph
No FileSystem for scheme: file 

任何帮助将不胜感激。