JanusGraph 0.3.2 + Scylla as storage.
gremlin> g.V(24624).valueMap(true) Invalid flag encountered in serialization: -96. Corrupted data. Type ':help' or ':h' for help. Display stack trace? [yN] java.lang.IllegalArgumentException: Invalid flag encountered in serialization: -96. Corrupted data. at com.google.common.base.Preconditions.checkArgument(Preconditions.java:145) at org.janusgraph.graphdb.database.serialize.StandardSerializer.readObjectInternal(StandardSerializer.java:257) at org.janusgraph.graphdb.database.serialize.StandardSerializer.readObject(StandardSerializer.java:238) at org.janusgraph.graphdb.database.EdgeSerializer.readPropertyValue(EdgeSerializer.java:205) at org.janusgraph.graphdb.database.EdgeSerializer.readPropertyValue(EdgeSerializer.java:195) at org.janusgraph.graphdb.database.EdgeSerializer.parseRelation(EdgeSerializer.java:129) at org.janusgraph.graphdb.database.EdgeSerializer.readRelation(EdgeSerializer.java:73) at org.janusgraph.graphdb.transaction.RelationConstructor.readRelation(RelationConstructor.java:70) at org.janusgraph.graphdb.transaction.RelationConstructor$1.next(RelationConstructor.java:57) at org.janusgraph.graphdb.transaction.RelationConstructor$1.next(RelationConstructor.java:45) at org.janusgraph.graphdb.query.LimitAdjustingIterator.next(LimitAdjustingIterator.java:94) at com.google.common.collect.Iterators$7.computeNext(Iterators.java:651) at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143) at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138) at org.janusgraph.graphdb.query.ResultSetIterator.nextInternal(ResultSetIterator.java:54) at org.janusgraph.graphdb.query.ResultSetIterator.<init>(ResultSetIterator.java:44)