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From George Ciubotaru <>
Subject RE: Using RowMutations with super columns
Date Fri, 01 Apr 2011 08:24:15 GMT

The exception from the previous email was caused by a mistake of mine, sorry for that. I've
fixed it, no more exceptions of the client (bulk loader) side but I'm getting now an exception
in Cassandra. My configuration is simple: I have a single Cassandra instance running and I
launch the bulk loader from a different box (using version 0.7.0).

ERROR 00:20:17,877 Fatal exception in thread Thread[MutationStage:33,5,main]
java.lang.RuntimeException: Invalid localDeleteTime read: 0
        at org.apache.cassandra.db.BinaryVerbHandler.doVerb(
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$ Source)
        at Source)
Caused by: Invalid localDeleteTime read: 0
        at org.apache.cassandra.db.SuperColumnSerializer.deserialize(
        at org.apache.cassandra.db.SuperColumnSerializer.deserialize(
        at org.apache.cassandra.db.ColumnFamilySerializer.deserializeColumns(
        at org.apache.cassandra.db.ColumnFamilySerializer.deserialize(
        at org.apache.cassandra.db.RowMutationSerializer.defreezeTheMaps(
        at org.apache.cassandra.db.RowMutationSerializer.deserialize(
        at org.apache.cassandra.db.RowMutationSerializer.deserialize(
        at org.apache.cassandra.db.RowMutationMessageSerializer.deserialize(
        at org.apache.cassandra.db.BinaryVerbHandler.doVerb(
        ... 4 more

I have found some other discussion thread with e similar error but unfortunately no concrete


From: aaron morton []
Sent: 31 March 2011 14:03
Subject: Re: Using RowMutations with super columns

The CassandraBulkLoader example is written to use Super Columns, so seems odd.

Do you have the rest of the error stack ?


On 31 Mar 2011, at 04:54, George Ciubotaru wrote:


I'm using (
as base to build a bulk loader. Everything works fine for standard column families but it
fails when trying to insert data in super columns throwing this exception:

Exception in thread "main" java.lang.UnsupportedOperationException: This operation is not
supported for Super Columns.
                at org.apache.cassandra.db.SuperColumn.timestamp(
                at org.apache.cassandra.db.ColumnSerializer.serialize(
                at org.apache.cassandra.db.ColumnSerializer.serialize(
                at org.apache.cassandra.db.ColumnFamilySerializer.serializeForSSTable(
                at org.apache.cassandra.db.ColumnFamilySerializer.serializeWithIndexes(

Any idea here?

Thank you,

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