[TINKERPOP-955] HashMap$Node not serializable

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.1.0-incubating
• Fix Version/s: 3.1.0-incubating
• Component/s: server
• Assignee: Stephen Mallette
• Reporter: Bob Briody
• Created: 11/Nov/15 15:13
• Updated: 13/Nov/15 14:58
• Resolved: 11/Nov/15 20:52

Description

The following code

m = g.V().groupCount().by(bothE().count()).next()
m

causes the following error when executed via gremlin server

java.util.concurrent.ExecutionException: org.apache.tinkerpop.gremlin.driver.ser.SerializationException: java.lang.IllegalArgumentException: Class is not registered: java.util.HashMap$Node
Note: To register this class use: kryo.register(java.util.HashMap$Node.class);