Nicolas Trangosi created TINKERPOP-2436:
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Summary: The gremlin server starts even if all graphs
instantiation has failed
Key: TINKERPOP-2436
URL: https://issues.apache.org/jira/browse/TINKERPOP-2436
Project: TinkerPop
Issue Type: Bug
Components: server
Affects Versions: 3.4.8
Reporter: Nicolas Trangosi
Sometimes the gremlin server fails to open the graph due to backend failure.
In this case, gremlin server starts even if could not serve any request as
gremlin-groovy GremlinScriptEngine is not initialized. I think that in this
case, gremlin server should stop (and be restarted in a kubernates cluster)
{{8 Oct 2020 12:35:51,923 8660 [gremlin-server-exec-1] ERROR
org.apache.tinkerpop.gremlin.jsr223.DefaultGremlinScriptEngineManager - Could
not create GremlinScriptEngine for gremlin-groovy}}
{{ java.lang.IllegalStateException: javax.script.ScriptException:
javax.script.ScriptException: groovy.lang.MissingPropertyException: No such
property: graph for class: Script1 }}
{noformat}
08 Oct 2020 12:35:45,228 1965 [main] WARN
org.apache.tinkerpop.gremlin.server.GremlinServer - Graph [graph] configured
at [/etc/opt/janusgraph/janusgraph.properties] could not be instantiated and
will not be available in Gremlin Server. GraphFactory message: GraphFactory
could not instantiate this Graph implementation [class
org.janusgraph.core.JanusGraphFactory]
08 Oct 2020 12:35:45,228 1965 [main] WARN
org.apache.tinkerpop.gremlin.server.GremlinServer - Graph [graph] configured
at [/etc/opt/janusgraph/janusgraph.properties] could not be instantiated and
will not be available in Gremlin Server. GraphFactory message: GraphFactory
could not instantiate this Graph implementation [class
org.janusgraph.core.JanusGraphFactory]
java.lang.RuntimeException: GraphFactory could not instantiate this Graph
implementation [class org.janusgraph.core.JanusGraphFactory]
at
org.apache.tinkerpop.gremlin.structure.util.GraphFactory.open(GraphFactory.java:81)
at
org.apache.tinkerpop.gremlin.structure.util.GraphFactory.open(GraphFactory.java:69)
at ...
{noformat}
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