using In-Memory in JanusGraph Verison 0.5.2 Throws Exception

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krishna....@gmail.com

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Dec 18, 2020, 3:07:10 AM12/18/20
to JanusGraph users
Hi folks


i have updated janusgraph version from 0.4.1 to 0.5.2. all my previous unit testcases with inmemory config throws expection below. should i want to add any more particular dependency to my project for running inmemory graph?
can you please help me regarding this issue.

using below config for inmemory janusgraph instance.
graph = JanusGraphFactory.build().set("storage.backend", "inmemory")
.set("graph.timestamps",TimestampProviders.NANO) .open();

java.lang.IllegalArgumentException: Could not find implementation class: org.janusgraph.diskstorage.inmemory.InMemoryStoreManager
at org.janusgraph.util.system.ConfigurationUtil.instantiate(ConfigurationUtil.java:60)
at org.janusgraph.diskstorage.Backend.getImplementationClass(Backend.java:440)
at org.janusgraph.diskstorage.Backend.getStorageManager(Backend.java:411)
at org.janusgraph.graphdb.configuration.builder.GraphDatabaseConfigurationBuilder.build(GraphDatabaseConfigurationBuilder.java:50)
at org.janusgraph.core.JanusGraphFactory.open(JanusGraphFactory.java:161)
at org.janusgraph.core.JanusGraphFactory.open(JanusGraphFactory.java:132)
at org.janusgraph.core.JanusGraphFactory.open(JanusGraphFactory.java:122)
at org.janusgraph.core.JanusGraphFactory$Builder.open(JanusGraphFactory.java:261)


Thanks & Regards
Krishna Sailesh

Boxuan Li

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Dec 18, 2020, 3:16:09 AM12/18/20
to JanusGraph users
Make sure you have included janusgraph-inmemory in your dependency.

Cheers,
Boxuan

Nicolas Trangosi

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Dec 18, 2020, 8:50:37 AM12/18/20
to janusgra...@googlegroups.com
Hi,
Have you added the janusgraph-inmemory dependency in your pom.xml file? 

   <dependency>
     <groupId>org.janusgraph</groupId>
     <artifactId>janusgraph-inmemory</artifactId>
     <version>${janusgraph.version}</version>
     <scope>test</scope>
</dependency>


Regards,
Nicolas

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