ConfigurationBuilder.internalProtocolVersion is not initialized by default to PROTOCOL_VERSION_12. This results in no Codec found in RemoteCacheManagerImpl and leads to segfault later when the first Ping is executed.

There is no error handling for NULL when the Codec is retrieved.

Constant PROTOCOL_VERSION_12 is defined three times: in include/Configuration.xxx, src/hotrod/impl/configuration/Configuration.xxx and src/hotrod/impl/configuration/ConfigurationBuilder.xxx