Skip to main content

pgadmin 4 fatal error the application server could not be contacted Solved

 pgadmin 4 fatal error the application server could not be contacted Solved


For Detailed Process Watch Video::




Steps to solve the error


pgadmin 4 fatal error the application server could not be contacted

1 step :: go to control panal



2 step : click on program and fetures




3 step : click on postgreySQl




4 step::click on uninstall and change




5 step :: choose individual component




6 step :: choose pgadmin and click on next and wait until delete completed



7 step : download pgadmin:: 
    
https://www.postgresql.org/ftp/pgadmin/pgadmin4/v5.4/windows/

Labels:

Comments

Post a Comment

Popular posts from this blog

Servlet Project Book Shop Application in eclipse

 Servlet Project Book Shop Application in eclipse  For explanation watch video::: Note :: In this Project you must configure web server (for example tomcat) with eclipse ide Download Bootstrap  from ::         https://getbootstrap.com/docs/4.3/getting-started/download/ Download mysql jar file from :: https://mvnrepository.com/artifact/mysql/mysql-connector-java/8.0.22 adding MySQL Connector/J jar file in eclipse ide for jdbc video :: video link : https://youtu.be/4Fyd-k3eG_I Directory Structure:: web.xml <?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd" id="WebApp_ID" version="4.0">   <welcome-file-list>     <welcome-file>home.html</welcome-file>   </welcome-file-list>   <display-...
Post a Comment
Read more

JDBC basic example For Select Query

JDBC basic example For Select Query  For explanation watch video:  For Creating Table:: SQL> create table emp60(srno int,fname varchar2(10)); Table created. SQL> desc emp60;  Name                                      Null?    Type  ----------------------------------------- -------- ----------------------------  SRNO                                               NUMBER(38)  FNAME                                              VARCHAR2(10) SQL> insert into emp60 values(1,'allu'); 1 row created. SQL> insert into emp60 values(2,'vijay'); 1 row created. SQL> insert into emp60 values(3,'rajni'); 1 row created. SQL...
Post a Comment
Read more

JDBC Program to access table data from mysql database

 import java.sql.*; class MysqlCon  { public static void main(String[] args)  { try{ Connection con = DriverManager.getConnection("jdbc:mysql:///new","root","root"); Statement st = con.createStatement(); String query = "select * from login"; ResultSet rs = st.executeQuery(query); while(rs.next()){ System.out.println(rs.getString(1)+" "+rs.getString(2)); } con.close(); }catch(SQLException e){ System.out.println("Error"); }catch(Exception e){ } } }
Post a Comment
Read more