Cannot convert v[#12:0] - class org.apache.tinkerpop.gremlin.orientdb.OrientVertex to JSON

[a-marcel]

OrientDB Version: 3.0.2 tinkerpop

Java Version: 8

OS: Linux debian

Hello,

when i use the rest api with gremlin orientdb cannot convert a Vertex to Json.

Thanks
Marcel

Expected behavior

I would expect a correct path

Actual behavior

And errormessage:

java.lang.UnsupportedOperationException: Cannot convert v[#12:0] - class org.apache.tinkerpop.gremlin.orientdb.OrientVertex to JSON

Steps to reproduce

curl -s -XPOST https://<domain>/command/<database>/gremlin -d '{"command": "g.V().has(\"key\",\"123\").out().values(\"names\").path()"}' | jq '.'
{
  "errors": [
    {
      "reason": 501,
      "code": 501,
      "content": "java.lang.UnsupportedOperationException: Cannot convert v[#12:0] - class org.apache.tinkerpop.gremlin.orientdb.OrientVertex to JSON"
    }
  ]
}

curl -s -XPOST https://<domain>/command/<database>/gremlin -d '{"command": "g.V().has(\"key\",\"123\").out().out().values(\"names\").tree().sideEffect(System.out.&println)"}' | jq '.'
{
  "errors": [
    {
      "reason": 501,
      "code": 501,
      "content": "java.lang.UnsupportedOperationException: Cannot convert v[#12:0] - class org.apache.tinkerpop.gremlin.orientdb.OrientVertex to JSON"
    }
  ]
}

[wolf4ood]

Hi @marcelalburg

i've just pushed a fix. It will be available in 3.0.3.

Thanks