CommunicationException s are thrown with the message 'Error while reading line from the server' from time to time. The Predis part of an example stack trace: We couldn't find anything in common in the affected scripts. Some errors are from a local Redis server, some from a remote one. An example that sometimes generates this error: The script is run by Apache, browsers call it directly by URL, so there can be a lot of instances running at once.
Static-A static character is someone who does not change over time; his or her personality does not transform or evolve. Round-A rounded character is anyone who has a complex personality; he or she is often portrayed as a conflicted and contradictory person. Flat-A flat character is the opposite of a round character.
That is, dynamic characters are not necessarily better, in narrative art, than static ones. In fact, it is precisely because change in identity can be good or bad, depending on circumstances and on the framework of evaluation, that it is often useful to classify plot in terms of characterization.