public boolean isCorrupted() {
        return this.hasChecksum && this.checksum != checksum();
    }
Returns true when the log entry is corrupted, it means that the checksum is mismatch.
@since 1.2.6
@return true when the log entry is corrupted, otherwise returns false
jraft-core/src/main/java/com/alipay/sofa/jraft/entity/LogEntry.java