Hi Gonzalo, Thanks for the answer. My flume agent configuration is the following: agent.sources=avroSource agent.channels=channel1 agent.sinks=hbaseSink agent.sources.avroSource.type=avro agent.sources.avroSource.channels=channel1 agent.sources.avroSource.bind=0.0.0.0 agent.sources.avroSource.port=61621 agent.sources.avroSource.interceptors=i1 agent.sources.avroSource.interceptors.i1.type=timestamp #agent.sources.avroSource.interceptors.i1.payloadColumn= agent.channels.channel1.type=memory agent.channels.channel1.capacity=1000000 agent.channels.channel1.transactionCapacity=100000 #agent.channels.channel1.byteCapacityBufferPercentage=20 agent.channels.channel1.byteCapacity=134217728 agent.sinks.hbaseSink.type=hbase agent.sinks.hbaseSink.channel=channel1 agent.sinks.hbaseSink.channel.capacity=1000000 agent.sinks.hbaseSink.channel.transactionCapacity=100000 agent.sinks.hbaseSink.table=Test_Simulations_Data PayloadColumn is commented. Should I uncomment it and fill with any specific value? Thanks From: Gonzalo Herreros [mailto:gherreros@gmail.com] Sent: Wednesday, September 30, 2015 9:56 AM To: user@flume.apache.org Subject: Re: No columns to insert for #1 item My guess is that the HBase serializer is not filling the payload column correctly. i.e. an empty value in the property "payloadColumn" Can you share the sink configuration? Regards, Gonzalo On 29 September 2015 at 23:40, Tinte garcia, Miguel Angel > wrote: Hi, I am trying write data into HBase sending it through Flume agents, but some error appears in the during transaction: 2015-09-30 00:34:55,745 (SinkRunner-PollingRunner-DefaultSinkProcessor) [ERROR - org.apache.flume.sink.hbase.HBaseSink.process(HBaseSink.java:353)] Failed to commit transaction.Transaction rolled back. java.lang.IllegalArgumentException: No columns to insert for #1 item at org.apache.hadoop.hbase.client.AsyncProcess.submitAll(AsyncProcess.java:468) at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.processBatchCallback(HConnectionManager.java:2332) at org.apache.hadoop.hbase.client.HTable.batchCallback(HTable.java:842) at org.apache.hadoop.hbase.client.HTable.batchCallback(HTable.java:857) at org.apache.hadoop.hbase.client.HTable.batch(HTable.java:832) at org.apache.flume.sink.hbase.HBaseSink$3.run(HBaseSink.java:386) at org.apache.flume.sink.hbase.HBaseSink$3.run(HBaseSink.java:374) at org.apache.flume.sink.hbase.HBaseSink.runPrivileged(HBaseSink.java:427) at org.apache.flume.sink.hbase.HBaseSink.putEventsAndCommit(HBaseSink.java:374) at org.apache.flume.sink.hbase.HBaseSink.process(HBaseSink.java:344) at org.apache.flume.sink.DefaultSinkProcessor.process(DefaultSinkProcessor.java:68) at org.apache.flume.SinkRunner$PollingRunner.run(SinkRunner.java:147) Does anybody know what it could be caused for? 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