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https://issues.apache.org/jira/browse/CASSANDRA-8813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14323693#comment-14323693
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Chhavi Gangwal commented on CASSANDRA-8813:
-------------------------------------------
map is of type comments<int,text> and I am storing as well as retrieving int
.The map is stored by executing a query directly via cqlclient. The issue
occurs when I try to retrieve the map containing int value . My code looks
something like this
ByteBuffer valueByteBuffer = ByteBuffer.wrap((byte[]) columnValue);
MapType mapType = MapType.getInstance((AbstractType) keyClassInstance,
(AbstractType) valueClassInstance);
Map rawMap = new HashMap();
rawMap.putAll((Map) mapType.compose(valueByteBuffer));
> MapType.compose throws java.lang.IllegalArgumentException: null when either
> of the key or value pair in map type object is of type int (Int32Type)
> --------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-8813
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8813
> Project: Cassandra
> Issue Type: Bug
> Components: API, Drivers (now out of tree)
> Reporter: Chhavi Gangwal
> Fix For: 2.1.4
>
>
> {code}java.lang.IllegalArgumentException: null at
> java.nio.Buffer.limit(Buffer.java:267) ~[na:1.7.0] at
> org.apache.cassandra.utils.ByteBufferUtil.readBytes(ByteBufferUtil.java:543)
> ~[cassandra-all-2.1.2.jar:2.1.2] at
> org.apache.cassandra.serializers.CollectionSerializer.readValue(CollectionSerializer.java:122)
> ~[cassandra-all-2.1.2.jar:2.1.2] at
> org.apache.cassandra.serializers.MapSerializer.deserializeForNativeProtocol(MapSerializer.java:99)
> ~[cassandra-all-2.1.2.jar:2.1.2] at
> org.apache.cassandra.serializers.MapSerializer.deserializeForNativeProtocol(MapSerializer.java:28)
> ~[cassandra-all-2.1.2.jar:2.1.2] at
> org.apache.cassandra.serializers.CollectionSerializer.deserialize(CollectionSerializer.java:48)
> ~[cassandra-all-2.1.2.jar:2.1.2] at
> org.apache.cassandra.db.marshal.AbstractType.compose(AbstractType.java:66)
> ~[cassandra-all-2.1.2.jar:2.1.2]
> {code}
> The issue mainly occurs due to forced readBytes function in
> CollectionSerializer with version 3 for all collection types as well as UDT
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