While testing Flume spooldir source, I am getting this error in flume logs. 28 Jun 2017 15:06:44,560 ERROR [pool-7-thread-1] (org.apache.flume.source.SpoolDirectorySource$SpoolDirectoryRunnable.run:280) - FATAL: Spool Directory source spooldir-source: { spoolDir: /data/src/input }: Uncaught exception in SpoolDirectorySource thread. Restart or reconfigure Flume to continue processing. java.lang.IllegalStateException: File has changed size since being read: /home/userapp/test/newfile_5_1.csv.gz at org.apache.flume.client.avro.ReliableSpoolingFileEventReader.retireCurrentFile(ReliableSpoolingFileEventReader.java:410) at org.apache.flume.client.avro.ReliableSpoolingFileEventReader.readEvents(ReliableSpoolingFileEventReader.java:326) at org.apache.flume.source.SpoolDirectorySource$SpoolDirectoryRunnable.run(SpoolDirectorySource.java:250) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Any pointers? ... View more