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use withComputer IllegalArgumentException: Undefined type used in query"
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What you did should normally work (e.g. try https://docs.janusgraph.org/getting-started/basic-usage/), so I cannot see what is wrong in your setup.
Note that it does not really make sense to start an OLAP traversal with g.V(17525371056), because the OLAP mechanism retrieves all or a large subset of all vertices, see:
Op vrijdag 25 september 2020 om 06:06:46 UTC+2 schreef xi...@...:
I'm a newbie of Janusgraph. I try to connect to the Janusgraph clusters by starting a Gremlin Console on my mac and I try to use the `withComputer`. There are 3 servers of the clusters. And about a few hundred million nodes and a few thousand million edges in the database.
I typed on the gremlin console:
graph = JanusGraphFactory.open("conf/janusgraph-cql-es-server-inner-read.properties")
g = graph.traversal()
And everything is normal.
After I typed the following:
gcp = graph.traversal().withComputer()
org.janusgraph.diskstorage.keycolumnvalue.scan.Standard Scanner Executor - Exception processing row [200- 0- 12-150-172-171- 61-128]: java.lang.IllegalArgumentException: Undefined type used in query: gremlin.traversalVertexProgram.haltedTraversers
I can't stop it both on my gremlin console and the JanusGraph Server.
Finally, I restart the servers.
So, did I misunderstand `withComputer`? Why did it happen?
I will use `SparkGraphComputer` in the future after I get a feel for how the `WithComputer` work.
Thanks for any suggestions
-- Xiaoxi Wang
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