fluency_file_backup_size_0.txt

    16:14:47.771 WARN  [pool-2-thread-1] o.k.f.s.RetryableSender This sender is already closed
    16:14:47.771 WARN  [pool-2-thread-1] o.k.f.s.RetryableSender This sender is already closed
    16:14:47.771 WARN  [pool-2-thread-1] o.k.f.s.RetryableSender This sender is already closed
    16:14:47.772 ERROR [pool-2-thread-1] o.k.f.f.AsyncFlusher Failed to flush
    java.io.IOException: Failed to move retention buffer due to interruption
        at org.komamitsu.fluency.buffer.PackedForwardBuffer.moveRetentionBufferToFlushable(PackedForwardBuffer.java:178) ~[main/:na]
        at org.komamitsu.fluency.buffer.PackedForwardBuffer.moveRetentionBuffersToFlushable(PackedForwardBuffer.java:161) ~[main/:na]
        at org.komamitsu.fluency.buffer.PackedForwardBuffer.flushInternal(PackedForwardBuffer.java:192) ~[main/:na]
        at org.komamitsu.fluency.buffer.Buffer.flush(Buffer.java:88) ~[main/:na]
        at org.komamitsu.fluency.flusher.AsyncFlusher$1.run(AsyncFlusher.java:40) ~[main/:na]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_45]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_45]
        at java.lang.Thread.run(Thread.java:744) [na:1.7.0_45]
    Caused by: java.lang.InterruptedException: null
        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireInterruptibly(AbstractQueuedSynchronizer.java:1219) ~[na:1.7.0_45]
        at java.util.concurrent.locks.ReentrantLock.lockInterruptibly(ReentrantLock.java:340) ~[na:1.7.0_45]
        at java.util.concurrent.LinkedBlockingQueue.put(LinkedBlockingQueue.java:338) ~[na:1.7.0_45]
        at org.komamitsu.fluency.buffer.PackedForwardBuffer.moveRetentionBufferToFlushable(PackedForwardBuffer.java:174) ~[main/:na]
        ... 7 common frames omitted
    16:14:47.773 INFO  [pool-2-thread-1] o.k.f.b.Buffer Saving all buffers
    16:14:47.773 INFO  [pool-2-thread-1] o.k.f.b.Buffer Saving buffer: params=[foodb.bartbl], buffer=java.nio.DirectByteBuffer[pos=0 lim=0 cap=4194304]
    16:14:47.777 INFO  [pool-2-thread-1] o.k.f.b.Buffer Closing buffers
    16:14:52.766 INFO  [Test worker] o.k.f.FluencyTest Fluency is terminated successfull