I am facing one issue with janusgraph version 0.6.0 where I am upgrading my janusgraph console/server/embedded from 0.5.2 to 0.6.0 version. Please see below stacktrace for the same.
Please note that the same graph configuration was working on 0.5.2 version.
Suggest how can i recover it.
Stacktrack -
5858 [main] WARN org.apache.tinkerpop.gremlin.server.util.DefaultGraphManager - 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:84) at org.apache.tinkerpop.gremlin.structure.util.GraphFactory.open(GraphFactory.java:72) at org.apache.tinkerpop.gremlin.structure.util.GraphFactory.open(GraphFactory.java:106) at org.apache.tinkerpop.gremlin.server.util.DefaultGraphManager.addGraph(DefaultGraphManager.java:63) at java.util.LinkedHashMap.forEach(LinkedHashMap.java:684) at org.apache.tinkerpop.gremlin.server.util.DefaultGraphManager.<init>(DefaultGraphManager.java:58) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at org.apache.tinkerpop.gremlin.server.util.ServerGremlinExecutor.<init>(ServerGremlinExecutor.java:84) at org.apache.tinkerpop.gremlin.server.GremlinServer.<init>(GremlinServer.java:124) at org.apache.tinkerpop.gremlin.server.GremlinServer.<init>(GremlinServer.java:87) at org.janusgraph.graphdb.server.JanusGraphServer.start(JanusGraphServer.java:85) at org.janusgraph.graphdb.server.JanusGraphServer.main(JanusGraphServer.java:53) Caused by: java.lang.reflect.InvocationTargetException 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:498) at org.apache.tinkerpop.gremlin.structure.util.GraphFactory.open(GraphFactory.java:80) ... 14 more Caused by: java.lang.IllegalArgumentException: Could not instantiate implementation: org.janusgraph.diskstorage.cql.CQLStoreManager at org.janusgraph.util.system.ConfigurationUtil.instantiate(ConfigurationUtil.java:79) at org.janusgraph.diskstorage.Backend.getImplementationClass(Backend.java:525) at org.janusgraph.diskstorage.Backend.getStorageManager(Backend.java:489) at org.janusgraph.graphdb.configuration.builder.GraphDatabaseConfigurationBuilder.build(GraphDatabaseConfigurationBuilder.java:64) at org.janusgraph.core.JanusGraphFactory.open(JanusGraphFactory.java:176) at org.janusgraph.core.JanusGraphFactory.open(JanusGraphFactory.java:147) at org.janusgraph.core.JanusGraphFactory.open(JanusGraphFactory.java:127) ... 19 more Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at org.janusgraph.util.system.ConfigurationUtil.instantiate(ConfigurationUtil.java:73) ... 25 more Caused by: org.janusgraph.diskstorage.PermanentBackendException: Couldn't initialize CQLStoreManager at org.janusgraph.diskstorage.cql.CQLStoreManager.<init>(CQLStoreManager.java:155) at org.janusgraph.diskstorage.cql.CQLStoreManager.<init>(CQLStoreManager.java:116) ... 30 more Caused by: com.datastax.oss.driver.api.core.servererrors.UnauthorizedException: Unauthorized. User graph_user has no CREATE permission on <all keyspaces> or any of its parents CREATE KEYSPACE IF NOT EXISTS graphDataTable WITH replication={'replication_factor':1,'class':'SimpleStrategy'} ^^^^^^ (ql error -4) at com.datastax.oss.driver.api.core.servererrors.UnauthorizedException.copy(UnauthorizedException.java:49) at com.datastax.oss.driver.internal.core.util.concurrent.CompletableFutures.getUninterruptibly(CompletableFutures.java:149) at com.datastax.oss.driver.internal.core.cql.CqlRequestSyncProcessor.process(CqlRequestSyncProcessor.java:53) at com.datastax.oss.driver.internal.core.cql.CqlRequestSyncProcessor.process(CqlRequestSyncProcessor.java:30) at com.datastax.oss.driver.internal.core.session.DefaultSession.execute(DefaultSession.java:230) at com.datastax.oss.driver.api.core.cql.SyncCqlSession.execute(SyncCqlSession.java:54) at org.janusgraph.diskstorage.cql.CQLStoreManager.initializeKeyspace(CQLStoreManager.java:191) at org.janusgraph.diskstorage.cql.CQLStoreManager.<init>(CQLStoreManager.java:142) ... 31 more