如何理解ABAP和Java的destination和JNDI

如何理解ABAP和Java的destination和JNDI，针对这个问题，这篇文章详细介绍了相对应的分析和解答，希望可以帮助更多想解决这个问题的小伙伴找到更简单易行的方法。

Netweaver里使用事务码SM59创建Destination：

Java

新建一个destination：

测试代码:

 try {            Context ctx = new InitialContext();            ConnectivityConfiguration configuration = (ConnectivityConfiguration) ctx.lookup("java:comp/env/connectivityConfiguration");            DestinationConfiguration destConfiguration = configuration.getConfiguration(destinationName); if (destConfiguration == null) {                response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,                        String.format("Destination %s is not found. Hint:" + " Make sure to have the destination configured.", destinationName)); return;            } // Get the destination URL String value = destConfiguration.getProperty("URL");            URL url = new URL(value + "xml?origins=Walldorf&destinations=Paris");            String proxyType = destConfiguration.getProperty("ProxyType");            Proxy proxy = getProxy(proxyType);            urlConnection = (HttpURLConnection) url.openConnection(proxy);            injectHeader(urlConnection, proxyType); // Copy content from the incoming response to the outgoing response InputStream instream = urlConnection.getInputStream();            OutputStream outstream = response.getOutputStream();            copyStream(instream, outstream);        } catch (Exception e) { // Connectivity operation failed String errorMessage = "Connectivity operation failed with reason: " + e.getMessage()                    + ". See " + "logs for details. Hint: Make sure to have an HTTP proxy configured in your " + "local environment in case your environment uses " + "an HTTP proxy for the outbound Internet " + "communication.";            LOGGER.error("Connectivity operation failed", e);            response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,                    errorMessage);        }

通过JNDI获得destination配置的url：

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