問(wèn)題 通過(guò)JDBC對(duì)MySQL進(jìn)行數(shù)據(jù)查詢時(shí),有個(gè)很容易踩的坑,以下面代碼為例: 這段代碼在查詢結(jié)果數(shù)據(jù)條數(shù)較大時(shí)則會(huì)出現(xiàn)內(nèi)存溢出OOM問(wèn)題: 為了更容易模擬錯(cuò)誤,可將jvm...
docker: Got permission denied while trying to connect to the Docker daemon socket at un...