Saving to new cluster returns error - orientdb

Question

I'm creating cluster dynamically in xtend/Java
for (int i : 0 ..< DistributorClusters.length) {
val clusterName = classnames.get(i) + clusterSuffix;
database.command(
new OCommandSQL('''ALTER CLASS «classnames.get(i)» ADDCLUSTER «clusterName»''')).execute();
}
Then I create I add the oRole and Grant the security to the new oRole
val queryOroleCreation = '''INSERT INTO orole SET name = '«clusterSuffix»', mode = 0, inheritedRole = (SELECT FROM orole WHERE name = 'Default')''';
val ODocument result = database.command(new OCommandSQL(queryOroleCreation)).execute();
for (int i : 0 ..< classnames.length) {
database.command(
new OCommandSQL(
'''GRANT ALL ON database.cluster.«classnames.get(i)»«clusterSuffix» TO «clusterSuffix»''')).
execute();
}
Finally I try to save a JsonObject to one of the newly created cluster. I checked in the database and the cluster exists.
val doc = new ODocument();
doc.fromJSON(jsonToSave.toString());
val savedDoc = database.save(doc, "ClassName"+clusterSuffix);
database.commit();
But Orient returns the following error :
SEVERE: java.lang.IllegalArgumentException: Cluster name 'cluster:ClassNameclusterSuffix' is not configured
My Question :
What causes that exception? And can you add values to new cluster created?
Edit
The doc object contains reference to other classes. i.e:
{
#class:"Customer",
#version:0,
name:"Kwik-E-Mart",
user : {
#class:"User",
#version:0,
username: "Apu",
firstName:"Apu",
lastName:"Nahasapeemapetilon"
}
}
The user gets created in the default cluster, but the customer throws the exception.

Answer 1

You should remove the "cluster:" part. The second parameter of the method is "Name of the cluster where to save", it doesn't need any special prefix.
So:
val savedDoc = database.save(doc, "ClassName"+clusterSuffix);
should just work

Answer 2

I find out that using a query works fine source.
The following code worked on the first try:
val query = '''INSERT INTO ClassNameCLUSTER «"ClassName"+clusterSuffix» CONTENT «jsonToSave.toString()»'''
val ODocument savedDoc = database.command(new OCommandSQL(query)).execute();