{"provider_name":"Hatena Blog","blog_title":"\u8a2d\u8a08\u3068\u5b9f\u88c5\u306e\u72ed\u9593\u3067\u3002","width":"100%","author_name":"taichitaichi","height":"190","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftaichitaichi.hatenadiary.org%2Fentry%2F20050119%2Fp2\" title=\" - \u8a2d\u8a08\u3068\u5b9f\u88c5\u306e\u72ed\u9593\u3067\u3002\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"","provider_url":"https://hatena.blog","categories":["Seasar"],"blog_url":"https://taichitaichi.hatenadiary.org/","author_url":"https://blog.hatena.ne.jp/taichitaichi/","url":"https://taichitaichi.hatenadiary.org/entry/20050119/p2","image_url":null,"type":"rich","description":"CommandContextPropertyAccessor\u306e20\u884c\u76ee\u3067 NullPointerException\u304c\u767a\u751f\u3059\u308b\u4e8b\u304c\u3042\u308b\u3089\u3057\u3044\u3067\u3059\u3002 \u518d\u73fe\u6027\u306f\u9650\u308a\u306a\u304f0\u306b\u8fd1\u3044\u306e\u3067\u3059\u304c\u2026\u3002 \u3068\u3044\u3046\u304b\u3001\u8ca0\u8377\u30c6\u30b9\u30c8\u4e2d\u306b\u3001\uff11\u5ea6\u3057\u304b\u767a\u751f\u3057\u3066\u3044\u306a\u3044\u3002 \u30a4\u30de\u30a4\u30c1\u3069\u306e\u3088\u3046\u306a\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u767a\u751f\u3059\u308b\u306e\u304b\u3088\u304f\u5206\u308a\u307e\u305b\u3093\u3002 Sql\u30d5\u30a1\u30a4\u30eb\u306eIF\u6587\u3092\u30d1\u30fc\u30b9\u3057\u3066\u3044\u308b\u6700\u4e2d\u306e\u3088\u3046\u3067\u3059\u304c\u2026\u3001\u3053\u308c\u304b\u3089\u8abf\u67fb\u3059\u308b\u3067\u3059\u3002\u3061\u306a\u307f\u306b\u3001\u305d\u306e\u90e8\u5206\u306e\u30b3\u30fc\u30c9\u306f\u3001\u3053\u3093\u306a\u3067\u3059\u3002 String argName = name.toString();null\u306b\u306a\u308a\u3046\u308b\u5909\u6570\u304c1\u3064\u3057\u304b\u3042\u308a\u307e\u305b\u3093\u3002 \u3053\u3044\u3064\u306f\u30e1\u30bd\u30c3\u30c9\u306e\u5f15\u6570\u3068\u3057\u3066\u5165\u3063\u3066\u304f\u308b\u3084\u3064\u3067\u3059\u3002OGNL\u3082\u30bb\u30c3\u30c8\u3067\u2026","published":"2005-01-19 00:00:01"}