com.datastax.driver.core.exceptions.WriteTimeoutException: Cassandra timeout during write query at consistency TWO (2 replica were required but only 1 acknowledged the write)

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    com.datastax.driver.core.exceptions.WriteTimeoutException: Cassandra timeout during write query at consistency TWO (2 replica were required but only 1 acknowledged the write)
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    Root Cause Analysis

    1. com.datastax.driver.core.exceptions.WriteTimeoutException

      Cassandra timeout during write query at consistency TWO (2 replica were required but only 1 acknowledged the write)

      at com.datastax.driver.core.exceptions.WriteTimeoutException.copy()
    2. DataStax Java Driver for Apache Cassandra - Core
      AbstractSession.execute
      1. com.datastax.driver.core.exceptions.WriteTimeoutException.copy(WriteTimeoutException.java:73)
      2. com.datastax.driver.core.exceptions.WriteTimeoutException.copy(WriteTimeoutException.java:26)
      3. com.datastax.driver.core.DriverThrowables.propagateCause(DriverThrowables.java:37)
      4. com.datastax.driver.core.DefaultResultSetFuture.getUninterruptibly(DefaultResultSetFuture.java:245)
      5. com.datastax.driver.core.AbstractSession.execute(AbstractSession.java:64)
      5 frames