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Samebug tips

  1. ,

    Check if there is no nexus running. If not, delete sonatype-work/nexus/nexus.lock .

  2. ,

    checkState() is Static convenience methods that help a method or constructor check whether it was invoked correctly (whether its preconditions have been met). This occurs when the precondition does not met.

Solutions on the web

via GitHub by manjunath-s
, 1 year ago
GraphFactory could not instantiate this Graph implementation [class com.thinkaurelius.titan.core.TitanFactory]
via GitHub by joebernard
, 2 years ago
GraphFactory could not instantiate this Graph implementation [class com.thinkaurelius.titan.core.TitanFactory]
via GitHub by joebernard
, 7 months ago
GraphFactory could not instantiate this Graph implementation [class com.thinkaurelius.titan.core.TitanFactory]
via GitHub by manjunath-s
, 7 months ago
GraphFactory could not instantiate this Graph implementation [class com.thinkaurelius.titan.core.TitanFactory]
via GitHub by joebernard
, 1 year ago
GraphFactory could not instantiate this Graph implementation [class com.thinkaurelius.titan.core.TitanFactory]
via Google Groups by anton...@gmail.com, 2 years ago
GraphFactory could not instantiate this Graph implementation [class com.thinkaurelius.titan.core.TitanFactory]
java.lang.IllegalStateException: Need to set configuration value: 
root.attributes.custom.attribute-class	at com.google.common.base.Preconditions.checkState(Preconditions.java:197)	at com.thinkaurelius.titan.diskstorage.configuration.ConfigOption.get(ConfigOption.java:216)	at com.thinkaurelius.titan.diskstorage.configuration.BasicConfiguration.get(BasicConfiguration.java:56)	at com.thinkaurelius.titan.graphdb.configuration.GraphDatabaseConfiguration.(GraphDatabaseConfiguration.java:1390)	at com.thinkaurelius.titan.core.TitanFactory.open(TitanFactory.java:94)	at com.thinkaurelius.titan.core.TitanFactory.open(TitanFactory.java:74)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:497)	at org.apache.tinkerpop.gremlin.structure.util.GraphFactory.open(GraphFactory.java:78)	at org.apache.tinkerpop.gremlin.structure.util.GraphFactory.open(GraphFactory.java:70)	at org.apache.tinkerpop.gremlin.structure.util.GraphFactory.open(GraphFactory.java:104)	at org.apache.tinkerpop.gremlin.server.GraphManager.lambda$new$27(GraphManager.java:50)	at java.util.LinkedHashMap$LinkedEntrySet.forEach(LinkedHashMap.java:663)	at org.apache.tinkerpop.gremlin.server.GraphManager.(GraphManager.java:48)	at org.apache.tinkerpop.gremlin.server.util.ServerGremlinExecutor.(ServerGremlinExecutor.java:94)	at org.apache.tinkerpop.gremlin.server.GremlinServer.(GremlinServer.java:88)	at org.apache.tinkerpop.gremlin.server.GremlinServer.main(GremlinServer.java:290)