java - Unexpected extraneous bytes after map value -

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i have table in cassandra has column of type map (i.e) source_id_map map

i using kundera orm cassandra. during select, below exception

cassandra version : 2.1.8

any ideas, possible cause ?

error while setting fieldsourceidmap value via cql, caused by: . org.apache.cassandra.serializers.marshalexception: unexpected extraneous bytes after map value @ org.apache.cassandra.serializers.mapserializer.deserializefornativeprotocol(mapserializer.java:110) @ com.impetus.client.cassandra.schemamanager.cassandradatatranslator$maptypebuilder.decompose(cassandradatatranslator.java:1177)


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