{"blog_url":"https://drambuie.hatenadiary.org/","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/drambuie/","published":"2008-07-18 00:00:01","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdrambuie.hatenadiary.org%2Fentry%2F20080718%2Fp2\" title=\"Struts\u3067\u753b\u9762\u306b\u4f55\u3082\u5165\u529b\u3057\u306a\u3044\u3068\u52dd\u624b\u306b0\u304c\u5165\u308b  - drambuie\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"drambuie\u306e\u65e5\u8a18","title":"Struts\u3067\u753b\u9762\u306b\u4f55\u3082\u5165\u529b\u3057\u306a\u3044\u3068\u52dd\u624b\u306b0\u304c\u5165\u308b ","provider_name":"Hatena Blog","width":"100%","image_url":null,"description":"Struts\u3067\u4f7f\u3063\u3066\u3044\u308bbeanutils\u306eIntegerConverter\u30670\u306b\u3057\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u3002 ConvertUtils.register(new IntegerConverter(null), Integer.class);\u306e\u3088\u3046\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u3092null\u306b\u3059\u308b\u3088\u3046\u306b\u767b\u9332\u3059\u308c\u3070\u3088\u3044\u3002 ActionServlet\u306bconvertNull=true\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u540c\u69d8\u306e\u3053\u3068\u304c\u53ef\u80fd\u3002 \u305d\u306e\u5834\u5408\u306b\u306f\u3001web.xml\u306b\u4ee5\u4e0b\u3092\u6307\u5b9a\u3059\u308b\u3002 \u4eca\u307e\u3067\u52d5\u4f5c\u3057\u3066\u3044\u305f\u51e6\u7406\u3067NullPointerException\u304c\u767a\u751f\u3059\u308b\u5371\u967a\u6027\u306f\u3042\u308a\u3002 <servlet> <servlet-name>action</servl\u2026","height":"190","type":"rich","author_name":"drambuie","categories":[],"version":"1.0","url":"https://drambuie.hatenadiary.org/entry/20080718/p2"}