Hi all,

I'm porting my application from Titan to JanusGraph.

I was able to define a custom serializer for certain Java types, for example, ArrayList.

I cannot get this to work in JanusGraph.

I have this in my configuration: 

root.attributes.custom.attribute1.attribute-class=java.util.HashMap

root.attributes.custom.attribute1.serializer-class=com.ibm.research.psyche.core.serializer.GenericSerializer

root.attributes.custom.attribute2.attribute-class = java.util.LinkedHashMap

root.attributes.custom.attribute2.serializer-class = com.ibm.research.psyche.core.serializer.GenericSerializer

root.attributes.custom.attribute3.attribute-class = java.util.ArrayList

root.attributes.custom.attribute3.serializer-class = com.ibm.research.psyche.core.serializer.GenericSerializer

root.attributes.custom.attribute4.attribute-class = java.util.LinkedList

root.attributes.custom.attribute4.serializer-class = com.ibm.research.psyche.core.serializer.GenericSerializer

I get this error when defining the property:

java.lang.IllegalArgumentException: Not a supported data type: class java.util.ArrayList

at com.google.common.base.Preconditions.checkArgument(Preconditions.java:120) ~[guava-15.0.jar:?]

at org.janusgraph.graphdb.types.StandardPropertyKeyMaker.make(StandardPropertyKeyMaker.java:93) ~[janusgraph-core-0.1.1.jar:?]

.....

Are custom attributes supported anymore?

Note that the Configuration Reference in the documentations says that the option name should be this: 

attributes.custom.[X].attribute-class

But you get this error: java.lang.IllegalStateException: Need to set configuration value: root.attributes.custom.attribute-class

Thanks!

That functionality works. I've ported my Titan example over to JanusGraph. You shouldn't have "root." on your properties.
Note that JanusGraph registers a standard serializer for HashMap, so an exception would have been thrown if you attempted to register one for it.

On Monday, September 11, 2017 at 5:42:02 PM UTC-4, J MacNaught wrote:

Hi all,

I'm porting my application from Titan to JanusGraph.

I was able to define a custom serializer for certain Java types, for example, ArrayList.

I cannot get this to work in JanusGraph.

I have this in my configuration: 

root.attributes.custom.attribute1.attribute-class=java.util.HashMap

root.attributes.custom.attribute1.serializer-class=com.ibm.research.psyche.core.serializer.GenericSerializer

root.attributes.custom.attribute2.attribute-class = java.util.LinkedHashMap

root.attributes.custom.attribute2.serializer-class = com.ibm.research.psyche.core.serializer.GenericSerializer

root.attributes.custom.attribute3.attribute-class = java.util.ArrayList

root.attributes.custom.attribute3.serializer-class = com.ibm.research.psyche.core.serializer.GenericSerializer

root.attributes.custom.attribute4.attribute-class = java.util.LinkedList

root.attributes.custom.attribute4.serializer-class = com.ibm.research.psyche.core.serializer.GenericSerializer

I get this error when defining the property:

java.lang.IllegalArgumentException: Not a supported data type: class java.util.ArrayList

at com.google.common.base.Preconditions.checkArgument(Preconditions.java:120) ~[guava-15.0.jar:?]

at org.janusgraph.graphdb.types.StandardPropertyKeyMaker.make(StandardPropertyKeyMaker.java:93) ~[janusgraph-core-0.1.1.jar:?]

.....

Are custom attributes supported anymore?

Note that the Configuration Reference in the documentations says that the option name should be this: 

attributes.custom.[X].attribute-class

But you get this error: java.lang.IllegalStateException: Need to set configuration value: root.attributes.custom.attribute-class

Thanks!

You can change it, just not through the properties file. You have to use the Management interface.   See  http://docs.janusgraph.org/latest/configuration.html#configuration-global

Robert Dale

On Wed, Sep 13, 2017 at 5:30 PM, J MacNaught <j...@...> wrote:

Thank you for the example, it helped to know it was supposed to work.  However, I couldn't get your example to work at first. I still got this error:

        java.lang.IllegalStateException: Need to set configuration value: root.attributes.custom.attribute-class

which is really not helpful because if you change the option name to "root.xxx" the error messages go away, but it's not really fixed.

Ultimately, the only way I could get it to work was to delete my cassandra database and start over.   I thought that options which were GLOBAL_OFFLINE could still be configured after DB initialization.

On Wednesday, September 13, 2017 at 2:42:44 PM UTC-4, Jason Plurad wrote:

That functionality works. I've ported my Titan example over to JanusGraph. You shouldn't have "root." on your properties.
Note that JanusGraph registers a standard serializer for HashMap, so an exception would have been thrown if you attempted to register one for it.

On Monday, September 11, 2017 at 5:42:02 PM UTC-4, J MacNaught wrote:

Hi all,

I'm porting my application from Titan to JanusGraph.

I was able to define a custom serializer for certain Java types, for example, ArrayList.

I cannot get this to work in JanusGraph.

I have this in my configuration: 

root.attributes.custom.attribute1.attribute-class=java.util.HashMap

root.attributes.custom.attribute1.serializer-class=com.ibm.research.psyche.core.serializer.GenericSerializer

root.attributes.custom.attribute2.attribute-class = java.util.LinkedHashMap

root.attributes.custom.attribute2.serializer-class = com.ibm.research.psyche.core.serializer.GenericSerializer

root.attributes.custom.attribute3.attribute-class = java.util.ArrayList

root.attributes.custom.attribute3.serializer-class = com.ibm.research.psyche.core.serializer.GenericSerializer

root.attributes.custom.attribute4.attribute-class = java.util.LinkedList

root.attributes.custom.attribute4.serializer-class = com.ibm.research.psyche.core.serializer.GenericSerializer

I get this error when defining the property:

java.lang.IllegalArgumentException: Not a supported data type: class java.util.ArrayList

at com.google.common.base.Preconditions.checkArgument(Preconditions.java:120) ~[guava-15.0.jar:?]

at org.janusgraph.graphdb.types.StandardPropertyKeyMaker.make(StandardPropertyKeyMaker.java:93) ~[janusgraph-core-0.1.1.jar:?]

.....

Are custom attributes supported anymore?

Note that the Configuration Reference in the documentations says that the option name should be this: 

attributes.custom.[X].attribute-class

But you get this error: java.lang.IllegalStateException: Need to set configuration value: root.attributes.custom.attribute-class

Thanks!

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You can change it, just not through the properties file. You have to use the Management interface.   See  http://docs.janusgraph.org/latest/configuration.html#configuration-global

Robert Dale

On Wed, Sep 13, 2017 at 5:30 PM, J MacNaught <j...@...> wrote:

Thank you for the example, it helped to know it was supposed to work.  However, I couldn't get your example to work at first. I still got this error:

        java.lang.IllegalStateException: Need to set configuration value: root.attributes.custom.attribute-class

which is really not helpful because if you change the option name to "root.xxx" the error messages go away, but it's not really fixed.

Ultimately, the only way I could get it to work was to delete my cassandra database and start over.   I thought that options which were GLOBAL_OFFLINE could still be configured after DB initialization.

On Wednesday, September 13, 2017 at 2:42:44 PM UTC-4, Jason Plurad wrote:

That functionality works. I've ported my Titan example over to JanusGraph. You shouldn't have "root." on your properties.
Note that JanusGraph registers a standard serializer for HashMap, so an exception would have been thrown if you attempted to register one for it.

On Monday, September 11, 2017 at 5:42:02 PM UTC-4, J MacNaught wrote:

Hi all,

I'm porting my application from Titan to JanusGraph.

I was able to define a custom serializer for certain Java types, for example, ArrayList.

I cannot get this to work in JanusGraph.

I have this in my configuration: 

root.attributes.custom.attribute1.attribute-class=java.util.HashMap

root.attributes.custom.attribute1.serializer-class=com.ibm.research.psyche.core.serializer.GenericSerializer

root.attributes.custom.attribute2.attribute-class = java.util.LinkedHashMap

root.attributes.custom.attribute2.serializer-class = com.ibm.research.psyche.core.serializer.GenericSerializer

root.attributes.custom.attribute3.attribute-class = java.util.ArrayList

root.attributes.custom.attribute3.serializer-class = com.ibm.research.psyche.core.serializer.GenericSerializer

root.attributes.custom.attribute4.attribute-class = java.util.LinkedList

root.attributes.custom.attribute4.serializer-class = com.ibm.research.psyche.core.serializer.GenericSerializer

I get this error when defining the property:

java.lang.IllegalArgumentException: Not a supported data type: class java.util.ArrayList

at com.google.common.base.Preconditions.checkArgument(Preconditions.java:120) ~[guava-15.0.jar:?]

at org.janusgraph.graphdb.types.StandardPropertyKeyMaker.make(StandardPropertyKeyMaker.java:93) ~[janusgraph-core-0.1.1.jar:?]

.....

Are custom attributes supported anymore?

Note that the Configuration Reference in the documentations says that the option name should be this: 

attributes.custom.[X].attribute-class

But you get this error: java.lang.IllegalStateException: Need to set configuration value: root.attributes.custom.attribute-class

Thanks!

--
You received this message because you are subscribed to the Google Groups "JanusGraph users" group.
To unsubscribe from this group and stop receiving emails from it, send an email to janusgraph-use...@googlegroups.com.
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For more options, visit https://groups.google.com/d/optout.

I am getting below exception while running gremlin server.

Caused by: java.lang.IllegalArgumentException: Duplicate attribute registration: class java.util.HashMap and class java.util.HashMap

How to resolve this issue?

 Robert Dale wrote:

You can change it, just not through the properties file. You have to use the Management interface.   See  http://docs.janusgraph.org/latest/configuration.html#configuration-global

Robert Dale

On Wed, Sep 13, 2017 at 5:30 PM, J MacNaught <j...@...> wrote:

Thank you for the example, it helped to know it was supposed to work.  However, I couldn't get your example to work at first. I still got this error:

        java.lang.IllegalStateException: Need to set configuration value: root.attributes.custom.attribute-class

which is really not helpful because if you change the option name to "root.xxx" the error messages go away, but it's not really fixed.

Ultimately, the only way I could get it to work was to delete my cassandra database and start over.   I thought that options which were GLOBAL_OFFLINE could still be configured after DB initialization.

On Wednesday, September 13, 2017 at 2:42:44 PM UTC-4, Jason Plurad wrote:

That functionality works. I've ported my Titan example over to JanusGraph. You shouldn't have "root." on your properties.
Note that JanusGraph registers a standard serializer for HashMap, so an exception would have been thrown if you attempted to register one for it.

On Monday, September 11, 2017 at 5:42:02 PM UTC-4, J MacNaught wrote:

Hi all,

I'm porting my application from Titan to JanusGraph.

I was able to define a custom serializer for certain Java types, for example, ArrayList.

I cannot get this to work in JanusGraph.

I have this in my configuration: 

root.attributes.custom.attribute1.attribute-class=java.util.HashMap

root.attributes.custom.attribute1.serializer-class=com.ibm.research.psyche.core.serializer.GenericSerializer

root.attributes.custom.attribute2.attribute-class = java.util.LinkedHashMap

root.attributes.custom.attribute2.serializer-class = com.ibm.research.psyche.core.serializer.GenericSerializer

root.attributes.custom.attribute3.attribute-class = java.util.ArrayList

root.attributes.custom.attribute3.serializer-class = com.ibm.research.psyche.core.serializer.GenericSerializer

root.attributes.custom.attribute4.attribute-class = java.util.LinkedList

root.attributes.custom.attribute4.serializer-class = com.ibm.research.psyche.core.serializer.GenericSerializer

I get this error when defining the property:

java.lang.IllegalArgumentException: Not a supported data type: class java.util.ArrayList

at com.google.common.base.Preconditions.checkArgument(Preconditions.java:120) ~[guava-15.0.jar:?]

at org.janusgraph.graphdb.types.StandardPropertyKeyMaker.make(StandardPropertyKeyMaker.java:93) ~[janusgraph-core-0.1.1.jar:?]

.....

Are custom attributes supported anymore?

Note that the Configuration Reference in the documentations says that the option name should be this: 

attributes.custom.[X].attribute-class

But you get this error: java.lang.IllegalStateException: Need to set configuration value: root.attributes.custom.attribute-class

Thanks!

--
You received this message because you are subscribed to the Google Groups "JanusGraph users" group.
To unsubscribe from this group and stop receiving emails from it, send an email to janusgraph-use...@googlegroups.com.
To view this discussion on the web visit https://groups.google.com/d/msgid/janusgraph-users/f4aae20d-0702-40b3-add9-3ee43fbc6386%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

Do you have a stack trace? That would be helpful, as would more details on how you are registering your custom attribute serialization.

On Wednesday, September 26, 2018 at 4:20:31 AM UTC-4, Rohit wrote:

I am getting below exception while running gremlin server.

Caused by: java.lang.IllegalArgumentException: Duplicate attribute registration: class java.util.HashMap and class java.util.HashMap

How to resolve this issue?

 Robert Dale wrote:

You can change it, just not through the properties file. You have to use the Management interface.   See  http://docs.janusgraph.org/latest/configuration.html#configuration-global

Robert Dale

On Wed, Sep 13, 2017 at 5:30 PM, J MacNaught <j...@...> wrote:

Thank you for the example, it helped to know it was supposed to work.  However, I couldn't get your example to work at first. I still got this error:

        java.lang.IllegalStateException: Need to set configuration value: root.attributes.custom.attribute-class

which is really not helpful because if you change the option name to "root.xxx" the error messages go away, but it's not really fixed.

Ultimately, the only way I could get it to work was to delete my cassandra database and start over.   I thought that options which were GLOBAL_OFFLINE could still be configured after DB initialization.

On Wednesday, September 13, 2017 at 2:42:44 PM UTC-4, Jason Plurad wrote:

That functionality works. I've ported my Titan example over to JanusGraph. You shouldn't have "root." on your properties.
Note that JanusGraph registers a standard serializer for HashMap, so an exception would have been thrown if you attempted to register one for it.

On Monday, September 11, 2017 at 5:42:02 PM UTC-4, J MacNaught wrote:

Hi all,

I'm porting my application from Titan to JanusGraph.

I was able to define a custom serializer for certain Java types, for example, ArrayList.

I cannot get this to work in JanusGraph.

I have this in my configuration: 

root.attributes.custom.attribute1.attribute-class=java.util.HashMap

root.attributes.custom.attribute1.serializer-class=com.ibm.research.psyche.core.serializer.GenericSerializer

root.attributes.custom.attribute2.attribute-class = java.util.LinkedHashMap

root.attributes.custom.attribute2.serializer-class = com.ibm.research.psyche.core.serializer.GenericSerializer

root.attributes.custom.attribute3.attribute-class = java.util.ArrayList

root.attributes.custom.attribute3.serializer-class = com.ibm.research.psyche.core.serializer.GenericSerializer

root.attributes.custom.attribute4.attribute-class = java.util.LinkedList

root.attributes.custom.attribute4.serializer-class = com.ibm.research.psyche.core.serializer.GenericSerializer

I get this error when defining the property:

java.lang.IllegalArgumentException: Not a supported data type: class java.util.ArrayList

at com.google.common.base.Preconditions.checkArgument(Preconditions.java:120) ~[guava-15.0.jar:?]

at org.janusgraph.graphdb.types.StandardPropertyKeyMaker.make(StandardPropertyKeyMaker.java:93) ~[janusgraph-core-0.1.1.jar:?]

.....

Are custom attributes supported anymore?

Note that the Configuration Reference in the documentations says that the option name should be this: 

attributes.custom.[X].attribute-class

But you get this error: java.lang.IllegalStateException: Need to set configuration value: root.attributes.custom.attribute-class

Thanks!

--
You received this message because you are subscribed to the Google Groups "JanusGraph users" group.
To unsubscribe from this group and stop receiving emails from it, send an email to janusgraph-use...@googlegroups.com.
To view this discussion on the web visit https://groups.google.com/d/msgid/janusgraph-users/f4aae20d-0702-40b3-add9-3ee43fbc6386%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

Hi

We might have define custom attribute serializer for same class.

I have the attribute via Java Client.

mgmt = graph.openManagement();

mgmt.set("attributes.custom.attribute68.attribute-class", "java.util.HashMap");

mgmt.set("attributes.custom.attribute68.serializer-class", "com.vz.attribute.serializer.HashMapSerializer");

 

mgmt.commit();

And I am getting the below line printed as well

*** HashMapSerializer constructor

For the serializer , I have taken inputs from Janusgraph documentation plus your github repo.

however , In the next step I getting below Error

java.lang.IllegalArgumentException: Encountered missing datatype registration for number: 68

at com.google.common.base.Preconditions.checkArgument(Preconditions.java:145) ~[guava-18.0.jar:na]

at org.janusgraph.graphdb.database.serialize.StandardSerializer.getDataType(StandardSerializer.java:192) ~[janusgraph-core-0.2.0.jar:na]

at org.janusgraph.graphdb.database.serialize.StandardSerializer.access$600(StandardSerializer.java:56) ~[janusgraph-core-0.2.0.jar:na]

at org.janusgraph.graphdb.database.serialize.StandardSerializer$ClassSerializer.getClass(StandardSerializer.java:432) ~[janusgraph-core-0.2.0.jar:na]

at org.janusgraph.graphdb.database.serialize.StandardSerializer$ClassSerializer.read(StandardSerializer.java:426) ~[janusgraph-core-0.2.0.jar:na]

at org.janusgraph.graphdb.database.serialize.StandardSerializer$ClassSerializer.read(StandardSerializer.java:410) ~[janusgraph-core-0.2.0.jar:na]

at org.janusgraph.graphdb.database.serialize.StandardSerializer.readObjectNotNullInternal(StandardSerializer.java:264) ~[janusgraph-core-0.2.0.jar:na]

at org.janusgraph.graphdb.database.serialize.StandardSerializer.readClassAndObject(StandardSerializer.java:273) ~[janusgraph-core-0.2.0.jar:na]

at org.janusgraph.graphdb.database.EdgeSerializer.readPropertyValue(EdgeSerializer.java:198) ~[janusgraph-core-0.2.0.jar:na]

at org.janusgraph.graphdb.database.EdgeSerializer.readPropertyValue(EdgeSerializer.java:193) ~[janusgraph-core-0.2.0.jar:na]

at org.janusgraph.graphdb.database.EdgeSerializer.parseRelation(EdgeSerializer.java:136) ~[janusgraph-core-0.2.0.jar:na]

at org.janusgraph.graphdb.database.EdgeSerializer.readRelation(EdgeSerializer.java:73) ~[janusgraph-core-0.2.0.jar:na]

at org.janusgraph.graphdb.transaction.RelationConstructor.readRelation(RelationConstructor.java:75) ~[janusgraph-core-0.2.0.jar:na]

at org.janusgraph.graphdb.transaction.RelationConstructor$1$1.next(RelationConstructor.java:60) ~[janusgraph-core-0.2.0.jar:na]

at org.janusgraph.graphdb.transaction.RelationConstructor$1$1.next(RelationConstructor.java:48) ~[janusgraph-core-0.2.0.jar:na]

at org.janusgraph.graphdb.types.vertices.JanusGraphSchemaVertex.getDefinition(JanusGraphSchemaVertex.java:87) ~[janusgraph-core-0.2.0.jar:na]

at org.janusgraph.graphdb.types.vertices.RelationTypeVertex.multiplicity(RelationTypeVertex.java:65) ~[janusgraph-core-0.2.0.jar:na]

at org.janusgraph.graphdb.types.vertices.PropertyKeyVertex.cardinality(PropertyKeyVertex.java:36) ~[janusgraph-core-0.2.0.jar:na]

at org.janusgraph.graphdb.tinkerpop.JanusGraphFeatures$JanusGraphVertexFeatures.getCardinality(JanusGraphFeatures.java:160) ~[janusgraph-core-0.2.0.jar:na]

at org.apache.tinkerpop.gremlin.structure.util.Attachable$Method.lambda$createVertex$12(Attachable.java:296) ~[gremlin-core-3.3.1.jar:3.3.1]

at java.util.Iterator.forEachRemaining(Unknown Source) ~[na:1.8.0_73]

at org.apache.tinkerpop.gremlin.structure.util.Attachable$Method.createVertex(Attachable.java:293) ~[gremlin-core-3.3.1.jar:3.3.1]

at org.apache.tinkerpop.gremlin.structure.util.Attachable$Method.lambda$create$10(Attachable.java:149) ~[gremlin-core-3.3.1.jar:3.3.1]

at org.apache.tinkerpop.gremlin.structure.util.Attachable.attach(Attachable.java:63) ~[gremlin-core-3.3.1.jar:3.3.1]

at org.apache.tinkerpop.gremlin.structure.io.graphson.GraphSONReader.lambda$readGraph$1(GraphSONReader.java:107) ~[gremlin-core-3.3.1.jar:3.3.1]

at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(Unknown Source) ~[na:1.8.0_73]

at java.util.stream.ReferencePipeline$3$1.accept(Unknown Source) ~[na:1.8.0_73]

at java.util.stream.ReferencePipeline$3$1.accept(Unknown Source) ~[na:1.8.0_73]

at java.util.ArrayList$Itr.forEachRemaining(Unknown Source) ~[na:1.8.0_73]

at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Unknown Source) ~[na:1.8.0_73]

at java.util.stream.AbstractPipeline.copyInto(Unknown Source) ~[na:1.8.0_73]

at java.util.stream.AbstractPipeline.wrapAndCopyInto(Unknown Source) ~[na:1.8.0_73]

at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(Unknown Source) ~[na:1.8.0_73]

at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(Unknown Source) ~[na:1.8.0_73]

at java.util.stream.AbstractPipeline.evaluate(Unknown Source) ~[na:1.8.0_73]

at java.util.stream.ReferencePipeline.forEach(Unknown Source) ~[na:1.8.0_73]

at org.apache.tinkerpop.gremlin.structure.io.graphson.GraphSONReader.readGraph(GraphSONReader.java:105) ~[gremlin-core-3.3.1.jar:3.3.1]

On Wednesday, September 26, 2018 at 8:45:28 PM UTC+5:30, Jason Plurad wrote:

Do you have a stack trace? That would be helpful, as would more details on how you are registering your custom attribute serialization.

On Wednesday, September 26, 2018 at 4:20:31 AM UTC-4, Rohit wrote:

I am getting below exception while running gremlin server.

Caused by: java.lang.IllegalArgumentException: Duplicate attribute registration: class java.util.HashMap and class java.util.HashMap

How to resolve this issue?

 Robert Dale wrote:

You can change it, just not through the properties file. You have to use the Management interface.   See  http://docs.janusgraph.org/latest/configuration.html#configuration-global

Robert Dale

On Wed, Sep 13, 2017 at 5:30 PM, J MacNaught <j...@...> wrote:

Thank you for the example, it helped to know it was supposed to work.  However, I couldn't get your example to work at first. I still got this error:

        java.lang.IllegalStateException: Need to set configuration value: root.attributes.custom.attribute-class

which is really not helpful because if you change the option name to "root.xxx" the error messages go away, but it's not really fixed.

Ultimately, the only way I could get it to work was to delete my cassandra database and start over.   I thought that options which were GLOBAL_OFFLINE could still be configured after DB initialization.

On Wednesday, September 13, 2017 at 2:42:44 PM UTC-4, Jason Plurad wrote:

That functionality works. I've ported my Titan example over to JanusGraph. You shouldn't have "root." on your properties.
Note that JanusGraph registers a standard serializer for HashMap, so an exception would have been thrown if you attempted to register one for it.

On Monday, September 11, 2017 at 5:42:02 PM UTC-4, J MacNaught wrote:

Hi all,

I'm porting my application from Titan to JanusGraph.

I was able to define a custom serializer for certain Java types, for example, ArrayList.

I cannot get this to work in JanusGraph.

I have this in my configuration: 

root.attributes.custom.attribute1.attribute-class=java.util.HashMap

root.attributes.custom.attribute1.serializer-class=com.ibm.research.psyche.core.serializer.GenericSerializer

root.attributes.custom.attribute2.attribute-class = java.util.LinkedHashMap

root.attributes.custom.attribute2.serializer-class = com.ibm.research.psyche.core.serializer.GenericSerializer

root.attributes.custom.attribute3.attribute-class = java.util.ArrayList

root.attributes.custom.attribute3.serializer-class = com.ibm.research.psyche.core.serializer.GenericSerializer

root.attributes.custom.attribute4.attribute-class = java.util.LinkedList

root.attributes.custom.attribute4.serializer-class = com.ibm.research.psyche.core.serializer.GenericSerializer

I get this error when defining the property:

java.lang.IllegalArgumentException: Not a supported data type: class java.util.ArrayList

at com.google.common.base.Preconditions.checkArgument(Preconditions.java:120) ~[guava-15.0.jar:?]

at org.janusgraph.graphdb.types.StandardPropertyKeyMaker.make(StandardPropertyKeyMaker.java:93) ~[janusgraph-core-0.1.1.jar:?]

.....

Are custom attributes supported anymore?

Note that the Configuration Reference in the documentations says that the option name should be this: 

attributes.custom.[X].attribute-class

But you get this error: java.lang.IllegalStateException: Need to set configuration value: root.attributes.custom.attribute-class

Thanks!

--
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For more options, visit https://groups.google.com/d/optout.