flume TimestampInterceptor


Expected timestamp in the Flume event headers, but it was null 1

Error Scenario: Expected timestamp in the Flume event headers, but it was null – NullPointerException This error message is received in ~/logs/flume.log file when starting a flume agent with HDFS sink with format escape sequences.(%Y, %M, %D, %H, %M, %S).

If a sink expects a header but does not find it, events will become stuck in the channel and Flume will log NullPointer and EventDelivery exceptions. Root Cause: We receive […]


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Dharmeswaran ETL / Hadoop Developer Spark Nov 2016 September 21, 2017

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