{"id":77962,"date":"2026-02-25T19:50:40","date_gmt":"2026-02-25T11:50:40","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/77962.html"},"modified":"2026-02-25T19:50:40","modified_gmt":"2026-02-25T11:50:40","slug":"java%e8%bf%9e%e6%8e%a5opc%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%8a%a5access-denied%ef%bc%9f5%e6%ad%a5%e6%8e%92%e6%9f%a5dcom%e9%85%8d%e7%bd%ae%e9%97%ae%e9%a2%98%ef%bc%88%e9%99%84%e5%ae%8c%e6%95%b4%e6%97%a5","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/77962.html","title":{"rendered":"Java\u8fde\u63a5OPC\u670d\u52a1\u5668\u62a5Access denied\uff1f5\u6b65\u6392\u67e5DCOM\u914d\u7f6e\u95ee\u9898\uff08\u9644\u5b8c\u6574\u65e5\u5fd7\u5206\u6790\uff09"},"content":{"rendered":"<h2>Java\u8fde\u63a5OPC\u670d\u52a1\u5668DCOM\u6743\u9650\u95ee\u9898\u6df1\u5ea6\u6392\u67e5\u6307\u5357<\/h2>\n<p>\u5f53Java\u5e94\u7528\u7a0b\u5e8f\u901a\u8fc7DCOM\u534f\u8bae\u8fde\u63a5OPC\u670d\u52a1\u5668\u65f6&#xff0c;&#034;Access denied&#034;\u9519\u8bef\u53ef\u80fd\u662f\u6700\u4ee4\u4eba\u5934\u75bc\u7684\u95ee\u9898\u4e4b\u4e00\u3002\u8fd9\u4e2a\u770b\u4f3c\u7b80\u5355\u7684\u6743\u9650\u62d2\u7edd\u80cc\u540e&#xff0c;\u5f80\u5f80\u9690\u85cf\u7740Windows\u5b89\u5168\u4f53\u7cfb\u3001DCOM\u914d\u7f6e\u548c\u7f51\u7edc\u8ba4\u8bc1\u673a\u5236\u7684\u590d\u6742\u4ea4\u4e92\u3002\u4e0d\u540c\u4e8e\u666e\u901a\u7684\u6743\u9650\u95ee\u9898&#xff0c;DCOM\u8bbf\u95ee\u6d89\u53ca\u64cd\u4f5c\u7cfb\u7edf\u5e95\u5c42\u5b89\u5168\u7b56\u7565\u3001\u7f51\u7edc\u8eab\u4efd\u9a8c\u8bc1\u548c\u7ec4\u4ef6\u5bf9\u8c61\u6a21\u578b\u7684\u591a\u5c42\u6821\u9a8c&#xff0c;\u4efb\u4f55\u4e00\u73af\u914d\u7f6e\u4e0d\u5f53\u90fd\u53ef\u80fd\u5bfc\u81f4\u8fde\u63a5\u5931\u8d25\u3002<\/p>\n<h3>1. \u7406\u89e3DCOM\u5b89\u5168\u67b6\u6784\u57fa\u7840<\/h3>\n<p>DCOM&#xff08;\u5206\u5e03\u5f0f\u7ec4\u4ef6\u5bf9\u8c61\u6a21\u578b&#xff09;\u662f\u5fae\u8f6f\u7528\u4e8e\u8de8\u8fdb\u7a0b\u3001\u8de8\u673a\u5668\u901a\u4fe1\u7684\u6280\u672f\u57fa\u7840&#xff0c;\u5176\u5b89\u5168\u673a\u5236\u5efa\u7acb\u5728Windows\u5b89\u5168\u5b50\u7cfb\u7edf\u4e4b\u4e0a\u3002\u5f53Java\u5e94\u7528\u901a\u8fc7j-Interop\u7b49\u5e93\u8fde\u63a5OPC\u670d\u52a1\u5668\u65f6&#xff0c;\u5b9e\u9645\u4e0a\u662f\u5728\u8de8\u8d8a\u4e24\u4e2a\u5b89\u5168\u8fb9\u754c&#xff1a;Java\u865a\u62df\u673a\u4e0e\u672c\u5730\u64cd\u4f5c\u7cfb\u7edf\u4e4b\u95f4\u3001\u5ba2\u6237\u7aef\u673a\u5668\u4e0e\u670d\u52a1\u5668\u673a\u5668\u4e4b\u95f4&#xff08;\u5982\u679c\u662f\u8fdc\u7a0b\u8fde\u63a5&#xff09;\u3002<\/p>\n<p>\u5173\u952e\u5b89\u5168\u7ec4\u4ef6&#xff1a;<\/p>\n<ul>\n<li>\n<p>\u8eab\u4efd\u9a8c\u8bc1\u7ea7\u522b&#xff08;Authentication Level&#xff09;&#xff1a;\u63a7\u5236\u5982\u4f55\u9a8c\u8bc1\u8c03\u7528\u65b9\u8eab\u4efd&#xff0c;\u5e38\u89c1\u8bbe\u7f6e\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>RPC_C_AUTHN_LEVEL_NONE&#xff1a;\u65e0\u8ba4\u8bc1<\/li>\n<li>RPC_C_AUTHN_LEVEL_CONNECT&#xff1a;\u4ec5\u5728\u8fde\u63a5\u65f6\u8ba4\u8bc1<\/li>\n<li>RPC_C_AUTHN_LEVEL_PKT_INTEGRITY&#xff1a;\u9a8c\u8bc1\u6570\u636e\u5b8c\u6574\u6027<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u6a21\u62df\u7ea7\u522b&#xff08;Impersonation Level&#xff09;&#xff1a;\u51b3\u5b9a\u670d\u52a1\u5668\u80fd\u5728\u591a\u5927\u7a0b\u5ea6\u4e0a&#034;\u626e\u6f14&#034;\u5ba2\u6237\u7aef\u8eab\u4efd&#xff1a;<\/p>\n<ul>\n<li>RPC_C_IMP_LEVEL_ANONYMOUS&#xff1a;\u533f\u540d<\/li>\n<li>RPC_C_IMP_LEVEL_IDENTIFY&#xff1a;\u4ec5\u8bc6\u522b\u5ba2\u6237\u7aef<\/li>\n<li>RPC_C_IMP_LEVEL_IMPERSONATE&#xff1a;\u5141\u8bb8\u670d\u52a1\u5668\u4ee5\u5ba2\u6237\u7aef\u8eab\u4efd\u8bbf\u95ee\u672c\u5730\u8d44\u6e90<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5b89\u5168\u63cf\u8ff0\u7b26&#xff08;Security Descriptor&#xff09;&#xff1a;\u5305\u542bDCOM\u5bf9\u8c61\u7684\u8bbf\u95ee\u63a7\u5236\u5217\u8868(ACL)&#xff0c;\u51b3\u5b9a\u54ea\u4e9b\u8d26\u6237\u6709\u6743\u8bbf\u95ee<\/p>\n<\/li>\n<\/ul>\n<p>\u63d0\u793a&#xff1a;\u5728OPC\u573a\u666f\u4e2d&#xff0c;\u5efa\u8bae\u81f3\u5c11\u4f7f\u7528RPC_C_AUTHN_LEVEL_PKT_INTEGRITY\u548cRPC_C_IMP_LEVEL_IMPERSONATE\u7ea7\u522b\u4ee5\u4fdd\u8bc1\u57fa\u672c\u5b89\u5168\u6027\u3002<\/p>\n<h3>2. \u7cfb\u7edf\u65e5\u5fd7\u6df1\u5ea6\u5206\u6790\u65b9\u6cd5<\/h3>\n<p>Windows\u4e8b\u4ef6\u65e5\u5fd7\u662f\u8bca\u65adDCOM\u95ee\u9898\u7684\u7b2c\u4e00\u73b0\u573a\u3002\u5f53\u51fa\u73b0&#034;Access denied&#034;\u9519\u8bef\u65f6&#xff0c;\u5e94\u4f18\u5148\u68c0\u67e5\u4ee5\u4e0b\u65e5\u5fd7\u4f4d\u7f6e&#xff1a;<\/p>\n<li>\u5e94\u7528\u7a0b\u5e8f\u548c\u670d\u52a1\u65e5\u5fd7 &gt; Microsoft &gt; Windows &gt; DCOM-API<\/li>\n<li>Windows\u65e5\u5fd7 &gt; \u5b89\u5168&#xff08;\u9700\u542f\u7528\u5ba1\u6838\u7b56\u7565&#xff09;<\/li>\n<li>Windows\u65e5\u5fd7 &gt; \u7cfb\u7edf<\/li>\n<p>\u5178\u578b\u9519\u8bef\u65e5\u5fd7\u6a21\u5f0f&#xff1a;<\/p>\n<p>\u4e8b\u4ef6ID 10016&#xff1a;\u5e94\u7528\u7a0b\u5e8f\u7279\u5b9a \u6743\u9650\u8bbe\u7f6e\u672a\u5c06 COM \u670d\u52a1\u5668\u5e94\u7528\u7a0b\u5e8f(CLSID\u4e3a{&#8230;})\u7684 \u672c\u5730 \u6fc0\u6d3b \u6743\u9650\u6388\u4e88\u7528\u6237 Domain\\\\User SID (S-1-5-&#8230;)<\/p>\n<p>\u65e5\u5fd7\u5206\u6790\u6b65\u9aa4&#xff1a;<\/p>\n<li>\u786e\u8ba4\u9519\u8bef\u53d1\u751f\u7684\u786e\u5207\u65f6\u95f4\u70b9<\/li>\n<li>\u63d0\u53d6\u76f8\u5173\u7684\u4e8b\u4ef6ID\u548c\u9519\u8bef\u4ee3\u7801<\/li>\n<li>\u68c0\u67e5\u6d89\u53ca\u7684CLSID\u548c\u8d26\u6237\u4fe1\u606f<\/li>\n<li>\u6bd4\u5bf9\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u7684\u65f6\u95f4\u6233&#xff08;\u65f6\u95f4\u4e0d\u540c\u6b65\u4f1a\u5bfc\u81f4Kerberos\u8ba4\u8bc1\u5931\u8d25&#xff09;<\/li>\n<p>\u5e38\u89c1\u9519\u8bef\u4ee3\u7801\u89e3\u6790&#xff1a;<\/p>\n<table>\n<tr>\u9519\u8bef\u4ee3\u7801\u542b\u4e49\u53ef\u80fd\u539f\u56e0<\/tr>\n<tbody>\n<tr>\n<td>0x80070005<\/td>\n<td>E_ACCESSDENIED<\/td>\n<td>\u6743\u9650\u4e0d\u8db3\u6216ACL\u9650\u5236<\/td>\n<\/tr>\n<tr>\n<td>0x8000401A<\/td>\n<td>CO_E_WRONG_SERVER_IDENTITY<\/td>\n<td>\u670d\u52a1\u5668SPN\u914d\u7f6e\u95ee\u9898<\/td>\n<\/tr>\n<tr>\n<td>0x80090322<\/td>\n<td>SEC_E_LOGON_DENIED<\/td>\n<td>\u767b\u5f55\u5931\u8d25&#xff08;\u5bc6\u7801\u9519\u8bef\/\u8d26\u6237\u9501\u5b9a&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>0x8009030E<\/td>\n<td>SEC_E_NO_AUTHENTICATING_AUTHORITY<\/td>\n<td>\u57df\u63a7\u5236\u5668\u4e0d\u53ef\u8fbe<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>3. \u8d26\u6237\u4e0e\u6743\u9650\u914d\u7f6e\u5b9e\u6218<\/h3>\n<p>DCOM\u8bbf\u95ee\u6d89\u53ca\u591a\u5c42\u8d26\u6237\u4f53\u7cfb&#xff0c;\u6b63\u786e\u7684\u8d26\u6237\u914d\u7f6e\u662f\u89e3\u51b3\u95ee\u9898\u7684\u5173\u952e\u3002<\/p>\n<h4>3.1 \u8fd0\u884c\u8d26\u6237\u9009\u62e9\u7b56\u7565<\/h4>\n<p>\u6839\u636e\u73af\u5883\u4e0d\u540c&#xff0c;\u53ef\u9009\u62e9\u4ee5\u4e0b\u8d26\u6237\u7c7b\u578b&#xff1a;<\/p>\n<li>\n<p>\u4ea4\u4e92\u5f0f\u7528\u6237&#xff1a;\u9002\u5408\u5f00\u53d1\u6d4b\u8bd5\u73af\u5883<\/p>\n<ul>\n<li>\u4f18\u70b9&#xff1a;\u7b80\u5355\u76f4\u63a5<\/li>\n<li>\u7f3a\u70b9&#xff1a;\u8981\u6c42\u7528\u6237\u4fdd\u6301\u767b\u5f55\u72b6\u6001<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u7279\u5b9a\u7528\u6237\u8d26\u6237&#xff1a;\u751f\u4ea7\u73af\u5883\u63a8\u8350\u65b9\u6848<\/p>\n<p># \u521b\u5efa\u4e13\u7528\u670d\u52a1\u8d26\u6237<br \/>\nNew-LocalUser -Name &#034;OPCService&#034; -Description &#034;DCOM\u4e13\u7528\u8d26\u6237&#034; -Password (ConvertTo-SecureString &#034;P&#064;ssw0rd!&#034; -AsPlainText -Force)<\/p>\n<\/li>\n<li>\n<p>\u672c\u5730\u7cfb\u7edf\u8d26\u6237&#xff1a;\u6700\u9ad8\u6743\u9650\u4f46\u5b89\u5168\u6027\u4f4e<\/p>\n<ul>\n<li>\u4ec5\u9650\u53ef\u4fe1\u73af\u5883\u4f7f\u7528<\/li>\n<\/ul>\n<\/li>\n<h4>3.2 \u8de8\u673a\u5668\u8bbf\u95ee\u7684\u7279\u6b8a\u914d\u7f6e<\/h4>\n<p>\u5f53Java\u5e94\u7528\u4e0eOPC\u670d\u52a1\u5668\u4f4d\u4e8e\u4e0d\u540c\u673a\u5668\u65f6&#xff1a;<\/p>\n<li>\n<p>\u5de5\u4f5c\u7ec4\u73af\u5883&#xff1a;<\/p>\n<ul>\n<li>\u5728\u4e24\u53f0\u673a\u5668\u4e0a\u521b\u5efa\u540c\u540d\u8d26\u6237&#xff08;\u7528\u6237\u540d\u548c\u5bc6\u7801\u5fc5\u987b\u5b8c\u5168\u4e00\u81f4&#xff09;<\/li>\n<li>\u5728\u5ba2\u6237\u7aef\u4f7f\u7528\u663e\u5f0f\u51ed\u636e&#xff1a;JISession securitySession &#061; JISession.createSession(<br \/>\n    domain, username, password);<br \/>\nsecuritySession.useSessionSecurity(true);<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u57df\u73af\u5883&#xff1a;<\/p>\n<ul>\n<li>\u786e\u4fdd\u8ba1\u7b97\u673a\u52a0\u5165\u57df<\/li>\n<li>\u914d\u7f6eSPN\u9632\u6b62Kerberos\u964d\u7ea7&#xff1a;setspn -A HOST\/opcserver.domain.com domain\\\\serviceaccount\n<\/li>\n<\/ul>\n<\/li>\n<h3>4. DCOM\u7ec4\u4ef6\u670d\u52a1\u7cbe\u51c6\u914d\u7f6e<\/h3>\n<p>\u901a\u8fc7\u7ec4\u4ef6\u670d\u52a1\u7ba1\u7406\u5668&#xff08;dcomcnfg&#xff09;\u8fdb\u884c\u914d\u7f6e\u65f6&#xff0c;\u9700\u8981\u7279\u522b\u6ce8\u610f\u4ee5\u4e0b\u5173\u952e\u70b9&#xff1a;<\/p>\n<h4>4.1 \u9ed8\u8ba4\u6743\u9650\u8bbe\u7f6e<\/h4>\n<li>\u6253\u5f00&#034;\u7ec4\u4ef6\u670d\u52a1&#034; \u2192 &#034;\u8ba1\u7b97\u673a&#034; \u2192 &#034;\u6211\u7684\u7535\u8111&#034; \u2192 &#034;DCOM\u914d\u7f6e&#034;<\/li>\n<li>\u627e\u5230OPC\u670d\u52a1\u5668\u5bf9\u5e94\u7684\u5e94\u7528&#xff08;\u5982OPCEnum&#xff09;<\/li>\n<li>\u53f3\u952e\u9009\u62e9&#034;\u5c5e\u6027&#034; \u2192 &#034;\u5b89\u5168&#034;\u9009\u9879\u5361<\/li>\n<p>\u5fc5\u987b\u914d\u7f6e\u7684\u4e09\u4e2aACL&#xff1a;<\/p>\n<ul>\n<li>\u542f\u52a8\u548c\u6fc0\u6d3b\u6743\u9650<\/li>\n<li>\u8bbf\u95ee\u6743\u9650<\/li>\n<li>\u914d\u7f6e\u6743\u9650<\/li>\n<\/ul>\n<p>\u6ce8\u610f&#xff1a;\u4fee\u6539\u9ed8\u8ba4\u6743\u9650\u4f1a\u5f71\u54cd\u6240\u6709DCOM\u5e94\u7528&#xff0c;\u5efa\u8bae\u4f18\u5148\u8c03\u6574\u7279\u5b9a\u5e94\u7528\u7684\u6743\u9650\u3002<\/p>\n<h4>4.2 \u6ce8\u518c\u8868\u5173\u952e\u9879<\/h4>\n<p>\u5bf9\u4e8e\u9ad8\u7ea7\u914d\u7f6e&#xff0c;\u53ef\u80fd\u9700\u8981\u76f4\u63a5\u4fee\u6539\u6ce8\u518c\u8868&#xff1a;<\/p>\n<p>Windows Registry Editor Version 5.00<\/p>\n<p>[HKEY_LOCAL_MACHINE\\\\SOFTWARE\\\\Microsoft\\\\Ole]<br \/>\n&#034;DefaultLaunchPermission&#034;&#061;hex:01,00,04,80,&#8230;<\/p>\n<p>[HKEY_CLASSES_ROOT\\\\AppID\\\\{&#8230;}]<br \/>\n&#034;LaunchPermission&#034;&#061;hex:01,00,04,80,&#8230;<\/p>\n<p>\u5b89\u5168\u63cf\u8ff0\u7b26\u8bed\u6cd5&#xff1a;<\/p>\n<ul>\n<li>\u4f7f\u7528sc.exe\u5de5\u5177\u751f\u6210SDDL\u5b57\u7b26\u4e32&#xff1a;sc.exe sdshow OPCEnum\n<\/li>\n<\/ul>\n<h3>5. Java\u7aef\u914d\u7f6e\u4f18\u5316\u6280\u5de7<\/h3>\n<p>\u5728Java\u5e94\u7528\u5c42\u9762&#xff0c;\u53ef\u4ee5\u901a\u8fc7j-Interop\u5e93\u7684\u914d\u7f6e\u63d0\u5347\u8fde\u63a5\u7a33\u5b9a\u6027&#xff1a;<\/p>\n<li>\n<p>\u4f1a\u8bdd\u5b89\u5168\u8bbe\u7f6e&#xff1a;<\/p>\n<p>JISession session &#061; JISession.createSession(domain, user, password);<br \/>\nsession.useSessionSecurity(true);  \/\/ \u542f\u7528\u5b89\u5168\u4f1a\u8bdd<br \/>\nsession.setGlobalSocketTimeout(30000);  \/\/ \u8bbe\u7f6e\u8d85\u65f6<\/p>\n<\/li>\n<li>\n<p>\u8fde\u63a5\u6c60\u7ba1\u7406&#xff1a;<\/p>\n<p>JIComServer comServer &#061; new JIComServer(<br \/>\n    clsid,<br \/>\n    serverAddress,<br \/>\n    session);<br \/>\ncomServer.setRetryCount(3);  \/\/ \u8bbe\u7f6e\u91cd\u8bd5\u6b21\u6570<\/p>\n<\/li>\n<li>\n<p>\u5f02\u5e38\u5904\u7406\u6700\u4f73\u5b9e\u8df5&#xff1a;<\/p>\n<p>try {<br \/>\n    server.connect();<br \/>\n} catch (JIException e) {<br \/>\n    if (e.getErrorCode() &#061;&#061; 0x80070005) {<br \/>\n        \/\/ \u5904\u7406\u6743\u9650\u95ee\u9898<br \/>\n        logger.error(&#034;DCOM\u8bbf\u95ee\u88ab\u62d2\u7edd&#xff0c;\u8bf7\u68c0\u67e5\u8d26\u6237\u6743\u9650&#034;);<br \/>\n    } else if (e.getErrorCode() &#061;&#061; 0x800706BA) {<br \/>\n        \/\/ \u5904\u7406RPC\u670d\u52a1\u5668\u4e0d\u53ef\u7528<br \/>\n        logger.error(&#034;RPC\u670d\u52a1\u5668\u4e0d\u53ef\u8fbe&#xff0c;\u68c0\u67e5\u7f51\u7edc\u548c\u9632\u706b\u5899&#034;);<br \/>\n    }<br \/>\n}<\/p>\n<\/li>\n<p>\u6027\u80fd\u4e0e\u5b89\u5168\u5e73\u8861\u5efa\u8bae&#xff1a;<\/p>\n<ul>\n<li>\u751f\u4ea7\u73af\u5883\u907f\u514d\u9891\u7e41\u521b\u5efa\/\u9500\u6bc1\u4f1a\u8bdd<\/li>\n<li>\u5bf9\u654f\u611f\u64cd\u4f5c\u542f\u7528\u6d3b\u52a8\u76ee\u5f55\u5ba1\u8ba1<\/li>\n<li>\u5b9a\u671f\u8f6e\u6362\u670d\u52a1\u8d26\u6237\u5bc6\u7801<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Java\u8fde\u63a5OPC\u670d\u52a1\u5668DCOM\u6743\u9650\u95ee\u9898\u6df1\u5ea6\u6392\u67e5\u6307\u5357<br \/>\n\u5f53Java\u5e94\u7528\u7a0b\u5e8f\u901a\u8fc7DCOM\u534f\u8bae\u8fde\u63a5OPC\u670d\u52a1\u5668\u65f6&#xff0c;\\&#8221;Access denied\\&#8221;\u9519\u8bef\u53ef\u80fd\u662f\u6700\u4ee4\u4eba\u5934\u75bc\u7684\u95ee\u9898\u4e4b\u4e00\u3002\u8fd9\u4e2a\u770b\u4f3c\u7b80\u5355\u7684\u6743\u9650\u62d2\u7edd\u80cc\u540e&#xff0c;\u5f80\u5f80\u9690\u85cf\u7740Windows\u5b89\u5168\u4f53\u7cfb\u3001DCOM\u914d\u7f6e\u548c\u7f51\u7edc\u8ba4\u8bc1\u673a\u5236\u7684\u590d\u6742\u4ea4\u4e92\u3002\u4e0d\u540c\u4e8e\u666e\u901a\u7684\u6743\u9650\u95ee\u9898&#xff0c;DCOM\u8bbf\u95ee\u6d89\u53ca\u64cd\u4f5c\u7cfb\u7edf\u5e95\u5c42\u5b89\u5168\u7b56\u7565\u3001\u7f51\u7edc\u8eab\u4efd\u9a8c\u8bc1\u548c\u7ec4\u4ef6\u5bf9\u8c61\u6a21\u578b\u7684\u591a\u5c42\u6821\u9a8c&#xff0c;\u4efb\u4f55\u4e00\u73af\u914d\u7f6e\u4e0d\u5f53\u90fd\u53ef\u80fd\u5bfc\u81f4\u8fde\u63a5\u5931\u8d25\u3002<br \/>\n1. \u7406\u89e3DCOM<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[8560,8370,99,4806],"topic":[],"class_list":["post-77962","post","type-post","status-publish","format-standard","hentry","category-server","tag-dcom","tag-8370","tag-java","tag-opc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - 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