{"id":404,"date":"2015-06-03T10:17:25","date_gmt":"2015-06-03T01:17:25","guid":{"rendered":"http:\/\/kei0310.info\/?p=404"},"modified":"2015-06-03T10:23:23","modified_gmt":"2015-06-03T01:23:23","slug":"post-404","status":"publish","type":"post","link":"http:\/\/kei0310.info\/?p=404","title":{"rendered":"[Java][Framework] Spring Boot\u306eJPA\u3067DB\u63a5\u7d9a\u3057\u305f\u969b\u306eEntity\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u30af\u30ea\u30a2\u65b9\u6cd5"},"content":{"rendered":"<h4>[\u6982\u8981]<\/h4>\n<p>Spring Boot\u306eJPA\u3067DB\u30a2\u30af\u30bb\u30b9\u3057\u305f\u969b\u306b\u3001\u51e6\u7406\u3092\u4e00\u5b9a\u91cf\u3053\u306a\u3059\u3068\u3001Heap\u304c\u8db3\u308a\u306a\u304f\u306a\u3063\u3066OutOfMemory\u3067\u30b3\u30b1\u308b\u4ef6\u3067\u30cf\u30de\u3063\u305f\u306e\u3067\u3001\u89e3\u6c7a\u6cd5\u3092\u30e1\u30e2\u3002<\/p>\n<p>\u3068\u306f\u3044\u3063\u3066\u3082\u5358\u7d14\u3067EntityManager\u3092\u6301\u3063\u3066\u304d\u3066\u3001\u30af\u30ea\u30a2\u3059\u308b\u3060\u3051\u3002<\/p>\n<p>Hibernate\u521d\u5fc3\u8005\u306e\u308f\u305f\u304f\u3057\u306b\u3068\u3063\u3066\u306f\u3001\u975e\u5e38\u306b\u96e3\u95a2\u3067\u3054\u3056\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u5177\u4f53\u7684\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30a8\u30e9\u30fc\u304c\u3067\u305f\u3089\u306e\u5bfe\u8c61\u6cd5\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h4>[\u30a8\u30e9\u30fc\u5185\u5bb9]<\/h4>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">java heap error<\/pre>\n<h4>[\u5bfe\u5fdc]<\/h4>\n<p>EntityManager\u3092\u53d6\u5f97\u3057\u3066\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u3060\u3051\u3067\u3059\u3002<br \/>\n\u6700\u521d\u306f\u3001\u3069\u3053\u304b\u306b\u30e1\u30bd\u30c3\u30c9\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c\u3042\u3063\u3066\u3001XXXX.getEntityManager()\u7684\u306a\u3082\u306e\u3067\u53d6\u5f97\u3059\u308b\u306e\u304b\u306a\u30fc\u3068\u601d\u3063\u3066\u3044\u307e\u3057\u305f\u304c\uff08\u53e4\u3044\uff09<br \/>\n\u6848\u306e\u5b9a\u305d\u3093\u306a\u3082\u306e\u306f\u306a\u304f\u3001\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u6307\u5b9a\u3057\u3066\u3001DI\u3067\u53d6\u5f97\u3059\u308b\u6587\u5316\u3067\u3057\u305f\u3002<\/p>\n<pre class=\"brush: java; title: ; notranslate\" title=\"\">\r\npublic class XxxxxLogic(){\r\n\r\n\t\/\/ EntityManager\u3092DI\r\n\t@PersistenceContext\r\n\tEntityManager entityManager;\r\n\r\n\tpublic void xxxxEntityCacheClear(){\r\n\t\t\/\/ cache\u30af\u30ea\u30a2\r\n\t\tentityManager.clear();\r\n\t}\r\n\r\n\u30fb\u30fb\u30fb\u30fb\u30fb\r\n}\r\n<\/pre>\n<p>\u3053\u308c\u3060\u3051\u3067\u3059\u3002\u7c21\u5358\u3067\u3059\u306d\u30fc\u3002<br \/>\nEntity\u3092\u6307\u5b9a\u3057\u3066\u30af\u30ea\u30a2\u3059\u308b\u65b9\u6cd5\u3082\u30cd\u30c3\u30c8\u30b5\u30fc\u30d5\u30a3\u30f3\uff08\u6b7b\u8a9e\uff09\u3057\u3066\u305f\u3089\u3042\u308a\u307e\u3057\u305f\u304c\u30011\u6b21\u30ad\u30e3\u30c3\u30b7\u30e5\u30682\u6b21\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u3042\u308b\u3089\u3057\u304f\u3001\u53c2\u7167\u304c\u6b8b\u3063\u3066\u3057\u307e\u3063\u3066\u3044\u3066\u3001\u3046\u307e\u304fGC\u5bfe\u8c61\u306b\u306a\u3089\u305aOutOfMemory\u304c\u76f4\u3089\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u307e\u3060\u308f\u304b\u3063\u3066\u307e\u305b\u3093\u3002<\/p>\n<p>\u308f\u304b\u3063\u305f\u3089\u8ffd\u8a18\u3057\u307e\u3063\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[\u6982\u8981] Spring Boot\u306eJPA\u3067DB\u30a2\u30af\u30bb\u30b9\u3057\u305f\u969b\u306b\u3001\u51e6\u7406\u3092\u4e00\u5b9a\u91cf\u3053\u306a\u3059\u3068\u3001Heap\u304c\u8db3\u308a\u306a\u304f\u306a\u3063\u3066OutOfMemory\u3067\u30b3\u30b1\u308b\u4ef6\u3067\u30cf\u30de\u3063\u305f\u306e\u3067\u3001\u89e3\u6c7a\u6cd5\u3092\u30e1\u30e2\u3002 \u3068\u306f\u3044\u3063\u3066\u3082\u5358\u7d14\u3067EntityManager\u3092 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[156,4],"tags":[167,172,171,170,169,183,168,13],"_links":{"self":[{"href":"http:\/\/kei0310.info\/index.php?rest_route=\/wp\/v2\/posts\/404"}],"collection":[{"href":"http:\/\/kei0310.info\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/kei0310.info\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/kei0310.info\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/kei0310.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=404"}],"version-history":[{"count":4,"href":"http:\/\/kei0310.info\/index.php?rest_route=\/wp\/v2\/posts\/404\/revisions"}],"predecessor-version":[{"id":408,"href":"http:\/\/kei0310.info\/index.php?rest_route=\/wp\/v2\/posts\/404\/revisions\/408"}],"wp:attachment":[{"href":"http:\/\/kei0310.info\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/kei0310.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=404"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/kei0310.info\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}