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发表于 2018-1-4 11:30:16
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本帖最后由 _style 于 2018-1-4 11:31 编辑
刷新页面提示以下错误...
控制台提示
- 2018-01-04 11:21:12 DataUtils.getConnection:java:comp/env/dz,jdbc:mysql://127.0.0.1:3306/dz, UserName=root@localhost, MySQL Connector Java
- java.lang.NullPointerException
- at com.justep.baas.servlet.BaasServlet.execService(Unknown Source)
- at com.justep.baas.servlet.BaasServlet.service(Unknown Source)
- at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
- at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
- at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
- at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
- at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
- at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
- at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
- at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
- at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
- at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
- at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
- at java.lang.Thread.run(Thread.java:745)
- 一月 04, 2018 11:21:12 上午 org.apache.catalina.core.StandardWrapperValve invoke
- 严重: Servlet.service() for servlet WeX5_Baas_Servlet threw exception
- java.lang.NullPointerException
- at com.justep.baas.servlet.BaasServlet.execService(Unknown Source)
- at com.justep.baas.servlet.BaasServlet.service(Unknown Source)
- at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
- at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
- at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
- at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
- at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
- at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
- at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
- at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
- at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
- at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
- at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
- at java.lang.Thread.run(Thread.java:745)
复制代码
下面是JAVA
- public static JSONObject postlist(JSONObject params, ActionContext context) throws SQLException, NamingException, java.sql.SQLException {
-
- //String postid = params.getString("postid");
- List<Object> sqlParams = new ArrayList<Object>();
-
- Table table = null;
- Connection conn = context.getConnection("dz");
- String sql = "";
- try{
- sql = "SELECT a.*,b.* from postData a left join userData b on a.fid = b.id";
- table = DataUtils.queryData(conn, sql, sqlParams, null, null, null);
- System.out.println("fuck you");
- return Transform.tableToJson(table);
- } finally {
- conn.close();
- }
- }
- }
复制代码
前端调用
- Model.prototype.postdataCustomRefresh = function(event){
- justep.Baas.sendRequest({
- "url" : "/dz/DZ",
- "action" : "postlist",
- "async" : false,
- "success" : function(postitem) {
- data.loadData(postitem);
- }
- });
- };
复制代码
请问是怎么回事,T-T。还望能够给予解答,非常感谢!~谢谢!~
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