「org.springframework.batch.core.repository.JobInstanceAlreadyCompleteException: A job instance already exists and is complete for parameters」「ジョブの同一インスタンスが既に存在しているため。具体的には同じパラメータの内容を渡すとエラーになる」
"Sphinx is a free, dual-licensed search server. Sphinx is written in C++, and focuses on query performance and search relevance.", "Additionally, basic HTTP/JSON API and native APIs for a number of languages (PHP, Python, Ruby, C, Java) are provided."