{"categories":["JavaEE"],"description":"JPA\u3092\u4f7f\u304a\u3046\u3068\u3057\u305f\u3089\u4f8b\u5916\u304c\u51fa\u305f\u306e\u3067\u539f\u56e0\u3092\u8abf\u67fb\u3057\u3066\u89e3\u6d88\u3092\u76ee\u6307\u3057\u307e\u3059\u3002 \u306a\u3093\u3067\u7d20\u76f4\u306b\u52d5\u4f5c\u3057\u3066\u304f\u308c\u306a\u3044\u3093\u3060\u308d\uff1f\u4f8b\u5916\u30b9\u30bf\u30c3\u30af\u30c8\u30ec\u30fc\u30b9\u306e\u809d\uff08\u3068\u601d\u308f\u308c\u308b\uff09\u306f\u4ee5\u4e0b\u3002 java.lang.IllegalStateException: Unable to retrieve EntityManagerFactory for unitName null at com.sun.enterprise.container.common.impl.EntityManagerWrapper.init(EntityManagerWrapper.java:121) at com.sun.enterprise.container\u2026","provider_name":"Hatena Blog","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fjabaraster.hatenadiary.org%2Fentry%2F20110206%2F1297000976\" title=\"JSF2.0+JPA2.0+eclipse \u69cb\u7bc9\u7de8\uff1aJPA\u3067\u306e\u4f8b\u5916\u306e\u89e3\u6d88\uff08\u305d\u306e\uff11\uff09 - \u3058\u3083\u3070\u3089\u306e\u624b\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2011-02-06 23:02:56","author_name":"jabaraster","blog_url":"https://jabaraster.hatenadiary.org/","provider_url":"https://hatena.blog","version":"1.0","author_url":"https://blog.hatena.ne.jp/jabaraster/","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/j/jabaraster/20110206/20110206225708.png","title":"JSF2.0+JPA2.0+eclipse \u69cb\u7bc9\u7de8\uff1aJPA\u3067\u306e\u4f8b\u5916\u306e\u89e3\u6d88\uff08\u305d\u306e\uff11\uff09","blog_title":"\u3058\u3083\u3070\u3089\u306e\u624b\u8a18","type":"rich","url":"https://jabaraster.hatenadiary.org/entry/20110206/1297000976","height":"190"}