{"id":23,"date":"2015-02-07T17:12:44","date_gmt":"2015-02-07T08:12:44","guid":{"rendered":"http:\/\/sd-office28.jp\/wordpress\/?p=23"},"modified":"2018-07-30T17:57:10","modified_gmt":"2018-07-30T08:57:10","slug":"%e3%81%af%e3%81%98%e3%82%81%e3%81%8c%e3%81%8d","status":"publish","type":"post","link":"https:\/\/esoro.jp\/?p=23","title":{"rendered":"\u4eca\u3069\u304d\u306eJavaRMI"},"content":{"rendered":"

\u3068\u3042\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u3092\u53bb\u5e74\u4f5c\u308a\u307e\u3057\u305f\u3002
\n\u30b7\u30b9\u30c6\u30e0\u69cb\u6210\u306fAP\u30b5\u30fc\u30d0\uff08Weblogic\uff09\u304c\u8907\u6570\u53f0\u69cb\u6210\u3067\u3001\u3042\u308b\u7279\u5b9a\u306e\u51e6\u7406\u3092\u540c\u671f\u51e6\u7406\u3067\uff11\u53f0\u306e\u30b5\u30fc\u30d0\u3060\u3051\u3067\u884c\u308f\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3068\u3044\u3046\u3082\u306e\u3067\u3001\u8a00\u8a9e\u3068\u5b9f\u884c\u74b0\u5883\u306f\u30aa\u30fc\u30ebJAVA\u3068\u306e\u6307\u5b9a\u3067\u3059\u3002
\n\u305d\u306e\u7279\u5b9a\u306e\u51e6\u7406\u3092\u884c\u3046\u30b5\u30fc\u30d0\u3068AP\u30b5\u30fc\u30d0\u9593\u306e\u901a\u4fe1\u3092\u3069\u3046\u3057\u3088\u3046\u304b\u306a\u3068\u8003\u3048\u307e\u3057\u305f\u304c\u3001\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u3068\u306f\u3044\u3048\u3001\u304b\u306a\u308a\u30df\u30c3\u30b7\u30e7\u30f3\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u304b\u3064\u5fdc\u7b54\u6027\u80fd\u3092\u6c42\u3081\u308b\u30b7\u30b9\u30c6\u30e0\u3067\u3001\u307e\u305f\u3001\u62e1\u5f35\u6027\u3084\u4ed6\u306e\u8a00\u8a9e\u304b\u3089\u306e\u547c\u3073\u51fa\u3057\u306a\u3069\u306f\u7121\u8996\u3057\u3066\u3088\u304b\u3063\u305f\u306e\u3067\u3001\u30b7\u30f3\u30d7\u30eb\u304b\u3064\u3001\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u30ec\u30d9\u30eb\u3067\u6614\u304b\u3089\u4f7f\u308f\u308c\u3066\u3044\u308bRMI\u3092\u63a1\u7528\u3057\u3066\u307f\u307e\u3057\u305f\u3002\u5b9f\u306f\u6700\u8fd1\u306e\u65b9\u5f0f\u3092\u3088\u304f\u77e5\u3089\u306a\u3044\u3060\u3051\u3060\u3063\u305f\u308a\u3057\u307e\u3059\u304c\u30fb\u30fb<\/p>\n

\u3053\u3093\u306a\u69cb\u6210\u3067\u3059\u3002<\/p>\n

\"RMI\"<\/a>
\n\u30bd\u30fc\u30b9\u7684\u306b\u306f\uff13\u3064\u306b\u5206\u304b\u308c\u307e\u3059<\/p>\n

\u2460\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u306a\u308bAP\u30b5\u30fc\u30d0\u3068\u3001\u300c\u3068\u3042\u308b\u51e6\u7406\u300d\u30b5\u30fc\u30d0\u3067\u52d5\u4f5c\u3055\u305b\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30bd\u30fc\u30b9\u306b\u542b\u307f\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u51e6\u7406\u8981\u6c42\u30fb\u5fdc\u7b54\u306fByte\u914d\u5217\u3092\u5f15\u6570\u30fb\u623b\u308a\u3068\u3057\u3066\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u30b5\u30fc\u30d0\u3078\u51e6\u7406\u8981\u6c42\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n

\/**\r\n* \u3068\u3042\u308b\u51e6\u7406\u306eRMI\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\r\n* *\/\r\npublic interface RequestReciever extends Remote {\r\n\u3000\u3000\/** \u51e6\u7406\u8981\u6c42\r\n\u3000\u3000* @param b \u9001\u4fe1\u30d0\u30a4\u30c8\u914d\u5217\r\n\u3000\u3000* @return \u5fdc\u7b54\u7d50\u679c\u30d0\u30a4\u30c8\u914d\u5217\r\n\u3000\u3000* *\/\r\n\u3000\u3000public byte[] req(byte[] b) throws RemoteException;\r\n<\/pre>\n
\u4ee5\u4e0b\u5fc5\u8981\u306a\u51e6\u7406\u3092\u3064\u3089\u3064\u3089\u66f8\u3044\u3066\u307e\u3059\u304c\u7701\u7565<\/p>\n
\u2461AP\u30b5\u30fc\u30d0\u5074\u306e\u547c\u3073\u51fa\u3057\u90e8\u5206\u629c\u7c8b\u3067\u3059\u3002<\/p>\n
Registry registry;\r\nregistry = LocateRegistry.getRegistry({\u3068\u3042\u308b\u51e6\u7406\u30b5\u30fc\u30d0\u306eIP\u30a2\u30c9\u30ec\u30b9}, {\u5f85\u53d7\u30dd\u30fc\u30c8\u756a\u53f7});\r\nRequestReciever stub = (RequestReciever) registry.lookup(\"{\u3068\u3042\u308b\u51e6\u7406\u3092\u793a\u3059\u540d\u524d}\");\r\n{\u7d50\u679c\u30d0\u30a4\u30c8\u914d\u5217} = stub.req({\u6e21\u3059\u30d0\u30a4\u30c8\u914d\u5217});\r\n<\/pre>\n
\u5fc5\u8981\u306a\u306e\u306f\u3053\u308c\u3060\u3051<\/p>\n
\u2462\u300c\u3068\u3042\u308b\u51e6\u7406\u300d\u30b5\u30fc\u30d0\u5074\u306e\u30bd\u30fc\u30b9\u3067\u3059<\/p>\n
public class toaruPrcServer extends UnicastRemoteObject implements RequestReciever {\r\n\u30fb\u30fb\u30fb\u4e2d\u7565\r\n public toaruPrcServer() throws RemoteException {\r\n\u3000\u3000public static void main(String[] args) {\r\n\u3000\u3000\u3000\u30fb\u30fb\u30fb\u4e2d\u7565\r\n\u3000\u3000\u3000toaruPrcServer server = new toaruPrcServer();\r\n\u3000\u3000\u3000\/\/Start RMI server\r\n\u3000\u3000\u3000Registry registry = LocateRegistry.createRegistry({\u5f85\u53d7\u30dd\u30fc\u30c8\u756a\u53f7});\r\n\u3000\u3000\u3000registry.rebind(\"{\u3068\u3042\u308b\u51e6\u7406\u3092\u793a\u3059\u540d\u524d}\", server);\r\n\u3000\u3000}\r\n\u3000\u3000@Override\r\n\u3000\u3000public byte[] req(byte[] b) throws RemoteException{\r\n\u3000\u3000\u3000byte[] res;\r\n\u3000\u3000\u3000\u3053\u3053\u306b\u51e6\u7406\u3092\u66f8\u304d\u307e\u3059\r\n\u3000\u3000\u3000return res;\r\n\u3000\u3000}\r\n\u4ee5\u4e0b\u3001\u7701\u7565\r\n\u3000}\r\n}\r\n<\/pre>\n
\u3053\u308c\u3060\u3051\u3067\u30db\u30f3\u30c8\u306b\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002
\n\u6614\u306f\u30ea\u30e2\u30fc\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3068\u304bRMI\u30ec\u30b8\u30b9\u30c8\u30ea\u8d77\u52d5\u3068\u304b\u8a33\u304c\u89e3\u3089\u306a\u3044\u3044\u308d\u3044\u308d\u306a\u524d\u63d0\u304c\u3042\u3063\u305f\u307f\u305f\u3044\u306a\u3093\u3067\u3059\u304c\u3001\u4eca(\u4f7f\u3063\u3066\u3044\u308b\u306e\u306fjdk1.8)\u3067\u306f\u305a\u3044\u3076\u3093\u3059\u3063\u304d\u308a\u3057\u3066\u3044\u308b\u307f\u305f\u3044\u3067\u3059\u3002
\n\u304c\u3001\u53e4\u3044\u60c5\u5831\u304c\u6df7\u5728\u3057\u3066\u3044\u3066\u3044\u307e\u3044\u3061\u4f55\u304c\u5fc5\u8981\u304b\u3084\u3063\u3066\u307f\u306a\u3044\u3068\u308f\u304b\u308a\u307e\u305b\u3093\u3002<\/p>\n
\u306a\u304a\u3001\u300c\u3068\u3042\u308b\u51e6\u7406\u300d\u306eJVM\u8d77\u52d5\u6642\u306b
\n-Djava.security.policy=\u30dd\u30ea\u30b7\u30fc\u30d5\u30a1\u30a4\u30eb
\n-Djava.rmi.server.hostname=\u5f85\u53d7\u5bfe\u8c61\u3068\u306a\u308bIP\uff08NIC\u304c\u8907\u6570\u3042\u308b\u5834\u5408\uff09
\n\u3092\u6307\u5b9a\u3057\u306a\u3044\u3068\u52d5\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002\uff08\u30dd\u30ea\u30b7\u30fc\u306f\u8981\u3089\u306a\u3044\u304b\u3082\u3057\u308c\u306a\u3044\u30fb\u30fb\uff09<\/p>\n
\u30dd\u30ea\u30b7\u30fc\u30d5\u30a1\u30a4\u30eb\u306f
\njava.net.SocketPermission
\n\u306b\u3064\u3044\u3066\u8a31\u53ef\u3059\u308c\u3070\u3088\u304b\u3063\u305f\u306f\u305a\u3002<\/p>\n
\u5f8c\u3067\u8ca0\u8377\u30c6\u30b9\u30c8\u3057\u305f\u3089\u79d2\u9593\u5343\u4ef6\u3092\u8d85\u3048\u308bRMI\u547c\u3073\u51fa\u3057\u3092\u884c\u3046\u3068\u300cToo many open files\u300d\u30a8\u30e9\u30fc\u304c\u591a\u767a\u3057\u307e\u3057\u305f\u3002
\n\u8abf\u3079\u305f\u3068\u3053\u308d\u3001Linux\u306e\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u5236\u9650\u304c\u5f71\u97ff\u3057\u3066\u3044\u3066\u3001open files\u306e\u5024\u3092\u5927\u304d\u304f\u3057\u306a\u304d\u3083\u306a\u3089\u306a\u3044\u307f\u305f\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u3068\u3042\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u3092\u53bb\u5e74\u4f5c\u308a\u307e\u3057\u305f\u3002 \u30b7\u30b9\u30c6\u30e0\u69cb\u6210\u306fAP\u30b5\u30fc\u30d0\uff08Web … \u7d9a\u304d\u3092\u8aad\u3080 →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,2],"tags":[],"_links":{"self":[{"href":"https:\/\/esoro.jp\/index.php?rest_route=\/wp\/v2\/posts\/23"}],"collection":[{"href":"https:\/\/esoro.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/esoro.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/esoro.jp\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/esoro.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=23"}],"version-history":[{"count":0,"href":"https:\/\/esoro.jp\/index.php?rest_route=\/wp\/v2\/posts\/23\/revisions"}],"wp:attachment":[{"href":"https:\/\/esoro.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=23"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/esoro.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=23"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/esoro.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=23"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}