{ "User":{ "@database":"POSTGRESQL", "@explain":true }, "ok":false, "code":500, "msg":"Connection to localhost:5432 refused. Check that the hostname and port are correct and that the postmaster is accepting TCP/IP connections.", "debug:info|help":"浏览器打开以下链接查看解答 \n\n【Google】：\n https://www.google.com/search?q=Connection+to+localhost%3A5432+refused.+Check+that+the+hostname+and+port+are+correct+and+that+the+postmaster+is+accepting+TCP%2FIP+connections. \n\n【百度】：\n https://www.baidu.com/s?ie=UTF-8&wd=Connection+to+localhost%3A5432+refused.+Check+that+the+hostname+and+port+are+correct+and+that+the+postmaster+is+accepting+TCP%2FIP+connections.\n\n【APIAuto】： \n http://apijson.cn/api?type=JSON&url=http%3A%2F%2Fapijson.cn%3A8080%2Fget&json=%7B%22User%22%3A%7B%22%40database%22%3A%22POSTGRESQL%22%2C%22%40explain%22%3Atrue%7D%7D \n\n【GitHub】： \n https://www.google.com/search?q=site%3Agithub.com%2FTencent%2FAPIJSON+++Connection+to+localhost%3A5432+refused.+Check+that+the+hostname+and+port+are+correct+and+that+the+postmaster+is+accepting+TCP%2FIP+connections. \n\n都没找到答案？打开这个链接 \n https://github.com/Tencent/APIJSON/issues/new?assignees=&labels=&template=--bug.md \n然后提交问题，推荐用以下模板修改，注意要换行保持清晰可读。 \n【标题】：Connection to localhost:5432 refused. Check that the hostname and port are correct and that the postmaster is accepting TCP/IP connections. \n【内容】： **环境信息** \n 系统: Linux 5.10.134-19.1.al8.x86_64 \n 数据库: POSTGRESQL 9.6.15 \n JDK: 17.0.2 amd64 \n APIJSON: 8.0.2\n\n**问题描述**\nConnection to localhost:5432 refused. Check that the hostname and port are correct and that the postmaster is accepting TCP/IP connections. \n\n \n\nPOST http://apijson.cn:8080/get \n发送请求 Request JSON：\n ```js \n 请填写，例如 { \"Users\":{} } \n``` \n\n返回结果 Response JSON：\n ```js \n 请填写，例如 { \"Users\": {}, \"code\": 401, \"msg\": \"Users 不允许 UNKNOWN 用户的 GET 请求！\" } \n```", "time":1774460196642, "sql:generate|cache|execute|maxExecute":"1|0|1|2000", "depth:count|max":"1|5", "time:start|duration|end|parse|sql":"1774460196620|22|1774460196642|22|0", "trace:throw":"org.postgresql.util.PSQLException", "trace:stack":[ "org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:346)", "org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java:54)", "org.postgresql.jdbc.PgConnection.(PgConnection.java:273)", "org.postgresql.Driver.makeConnection(Driver.java:446)", "org.postgresql.Driver.connect(Driver.java:298)", "java.sql/java.sql.DriverManager.getConnection(DriverManager.java:681)", "java.sql/java.sql.DriverManager.getConnection(DriverManager.java:229)", "apijson.orm.AbstractSQLExecutor.getConnection(AbstractSQLExecutor.java:1304)", "apijson.demo.DemoSQLExecutor.getConnection(DemoSQLExecutor.java:173)", "apijson.orm.AbstractSQLExecutor.getStatement(AbstractSQLExecutor.java:1216)", "apijson.orm.AbstractSQLExecutor.executeQuery(AbstractSQLExecutor.java:1500)", "apijson.orm.SQLExecutor.executeQuery(SQLExecutor.java:69)", "apijson.orm.AbstractSQLExecutor.execute(AbstractSQLExecutor.java:285)", "apijson.demo.DemoSQLExecutor.execute(DemoSQLExecutor.java:263)", "apijson.demo.DemoSQLExecutor.execute(DemoSQLExecutor.java:59)", "apijson.orm.AbstractParser.executeSQL(AbstractParser.java:2106)", "apijson.demo.DemoParser.executeSQL(DemoParser.java:144)", "apijson.demo.DemoParser.executeSQL(DemoParser.java:39)", "apijson.orm.AbstractObjectParser.onSQLExecute(AbstractObjectParser.java:1158)", "apijson.orm.AbstractObjectParser.executeSQL(AbstractObjectParser.java:993)", 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"org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1089)", "org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:979)", "org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1014)", "org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:903)", "jakarta.servlet.http.HttpServlet.service(HttpServlet.java:527)", "org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:885)", "jakarta.servlet.http.HttpServlet.service(HttpServlet.java:614)", "org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:206)", "org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:150)", "org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)", "org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:175)", "org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:150)", "org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)", "org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)", "org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:175)", "org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:150)", "org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)", "org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)", "org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:175)", "org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:150)", "org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)", "org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)", "org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:175)", "org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:150)", "org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:167)", "org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)", "org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)", "org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:115)", "org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)", "org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)", "org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:344)", "org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:391)", "org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)", "org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:896)", "org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1736)", "org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)", "org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)", "org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)", "org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63)", "java.base/java.lang.Thread.run(Thread.java:833)" ], "@link":"http://apijson.cn:8080/api/index.html?send=false&redirect=false&type=JSON&decode=true&url=http%3A%2F%2Fapijson.cn%3A8080%2Fget&json=%7B%22User%22%3A%7B%22%40database%22%3A%22POSTGRESQL%22%2C%22%40explain%22%3Atrue%7D%7D" }