Hi,
dependency information to pom.xml gives error. Below i smy pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
<modelVersion>4.0.0</modelVersion>
<groupId>com.mycompany</groupId>
<artifactId>DB1mav</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-j</artifactId>
<version>8.0.xx</version>
</dependency>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>11</maven.compiler.source>
<maven.compiler.target>11</maven.compiler.target>
<exec.mainClass>com.mycompany.db1mav.DB1mav</exec.mainClass>
</properties>
</project>
I am getting th efollowing error message:
[ERROR] Some problems were encountered while processing the POMs:
Malformed POM /home/zulfi/NetBeansProjects/DB1mav/pom.xml:
Unrecognised tag: 'dependency' (position: START_TAG seen
...</packaging>\n <dependency>... @8:17) @
/home/zulfi/NetBeansProjects/DB1mav/pom.xml, line 8, column 17
@
The build could not read 1 project -> [Help 1]
The project com.mycompany:DB1mav:1.0-SNAPSHOT
(/home/zulfi/NetBeansProjects/DB1mav/pom.xml) has 1 error
Malformed POM /home/zulfi/NetBeansProjects/DB1mav/pom.xml:
Unrecognised tag: 'dependency' (position: START_TAG seen
...</packaging>\n <dependency>... @8:17) @
/home/zulfi/NetBeansProjects/DB1mav/pom.xml, line 8, column 17 -> [Help 2]
To see the full stack trace of the errors, re-run Maven with the -e
switch.
Re-run Maven using the -X switch to enable full debug logging.
For more information about the errors and possible solutions, please
read the following articles:
[Help 1]
http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException
[Help 2]
http://cwiki.apache.org/confluence/display/MAVEN/ModelParseException
Somebody please guide me.
Zulfi.
On Tuesday, August 22, 2023 at 02:10:34 PM CDT, Greenberg, Gary
<ggree...@visa.com.invalid> wrote:
In your maven project check if you have:
1. Proper dependency for the MySQL driver in your pom.xml file. I.e.
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.xx</version>
</dependency>
2. After the build check you .m2/repository/mysql directory to see if
the jar file was downloaded
3. Open this jar file with tar, 7-zip or any other proper utility and
find if your driver class is there.
*From:* Zulfi Khan <zulfi6...@yahoo.com.INVALID>
*Sent:* Monday, August 21, 2023 9:42 PM
*To:* NetBeans Mailing List <users@netbeans.apache.org>
*Subject:* Re: mysql connectivity problem with ApachNetbeans
18:Exception: com.mysql.jdbc.Driver
Hi,
Thanks for your response.
(a)Mavern Project:
I have started a mavern project “DB1mav”. I have attached an image of
the execution screen (file: ExecutionScreen of Mavern Project.png)
which shows the messages:
Starts1...
Starts2…
java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
at
java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581)
at
java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
at java.base/java.lang.Class.forName0(Native Method)
t at java.base/java.lang.Class.forName(Class.java:315)
at com.mycompany.db1mav.Dbconnect.connect(DB1ConnectMav.java:22)
:
:
This means I still have no clue for ClassNotFoundException
(b)Catch Block Code Changed:
I have replaced the command for error messsage in both the catch
blocks as shown below :
} catch(Exception e) {
//System.err.println("Exception: " + e.getMessage());
e.printStackTrace(System.err);
} finally {
try {
if (con != null){
con.close();
return true;
}
} catch(SQLException e) {//System.err.println("Exception2: " +
e.getMessage());
e.printStackTrace(System.err);
(c)Class path:
I have checked your images. The small image shows the folders which I
also have instead of Libraries. I have shown this in my image “No
libraries folder in project and in properties.png”. The image also
contains properties popped up screen (i.e., screen which I popped on
the project properties) i.e. categories. Items in my categories are
different. The popped up screen (i.e., categories) show Javascript
libraries option but no libraries option.
I am not able to set Class path because I don’t have Libraries folder
in my mavern project. Please guide me. I hae different stuff than your
first black image.
(d) Red connection failed message (i.e., in file connection failed.png)
I have also attached the image which shows the “connection failed
access denied message...” in the Connectionfailed.png file. The red
message if you can’t read in the image is ,given below:
Connection failed: Access denied for user
'root@localhost'(jdbc:mysql://localhost:3306/mysql?zeroDateTimeBehavior=CONVERT_TO_NULL
using com.mysql.cj.jdbc.Driver)
What I have to do for this red message? Should I try to delete the
drivers which I installed in the Ant project?
(e) Jar file
I tried to add the jar in the path. Hence I clicked on the Services.
It showed me Databases folder and two folders under it:
MySQL Server at localhost:3306[root](disconnected),
Java DB
and below this was:
Drivers and below at 5^th position I saw
MySDL(Connector/ J Driver)
Please guide me.
Zulfi.
On Monday, August 14, 2023 at 12:36:44 PM CDT, Juan Algaba
<jalg...@colef.mx> wrote:
Don't print your exceptions this way:
System.err.println("Exception: " + e.getMessage());
This will hide the type of the original exception, and the root
exception (if any). A better way is
e.printStackTrace(System.err);
Which will show that it's a ClassNotFoundException, the exact line
where the exception happened and where it was called from. The more
information you give people trying to help you the better.
The tutorial is using Java with Ant to set up the project. I
recommend Java with Maven otherwise less people will be able to help
you because less people use Ant, and the type of project greatly
affects how dependencies (libraries) are added to the project. But
that's beside the point.
The issue seems to be that you added the *folder* containing the jar
file, not the jar file itself. Here are some screenshots to show you
the difference:
You can manage the classpath from the project properties
Hope it helps
On Sat, Aug 12, 2023 at 10:00 PM Zulfi Khan
<zulfi6...@yahoo.com.invalid> wrote:
Hi,
I checked it in the video my code is right. If any file not
included kindly let me know explicitly. Please guide me how to
include classpath.
|*video:*|
|*https://www.youtube.com/watch?v=rgF-5CwTZeE
<https://www.youtube.com/watch?v=rgF-5CwTZeE>*|
|*Hi,*|
|*I was watching this video:Java Database Connectivity || How to
connect MYSQL and NetBeans 18 || #jdbc #jdbctutorial#jdbcinjava
<https://www.youtube.com/watch?v=rgF-5CwTZeE> *|
Image removed by sender.
Java Database Connectivity || How to connect MYSQL and
NetBeans 18 || #j...
Image removed by sender.
Java Database Connectivity || How to connect MYSQL and
NetBeans 18 || #j...
*Error! Filename not specified.*
|*and then I downloaded the driver:*|
|*mysql-connector-j-8.1.0 but I also installed:
mysql-connector-j-8.0.33-1ubuntu18.004_all and is also part of my
project’s library.*|
|*I am getting the following output:*|
|*Starts1...*|
|*Exception: com.mysql.jdbc.Driver*|
|*Starts2...*|
|*BUILD SUCCESSFUL (total time: 32 seconds)*|
|*I have attached the following images, R1..., R2…., R3….:*|
|*R1: shows ubuntu driver attached to my project’s library, I am
trying to remove it but the option is greyed.*|
|*R2:shows installation of another mysql-connector-j*|
|*R3:shows the poped window when I clicked the services window*|
|*I have put my question on the reddit forum but they are not able
to guide me.*|
*
*
|*Please solve my problem.*|
*
*
|*Zulfi.*|
On Saturday, August 12, 2023 at 11:57:17 PM CDT, Zulfi Khan
<zulfi6...@yahoo.com> wrote:
Hi,
I checked it in the video my code is right. If any file not
included kindly let me know explicitly. Please guide me how to
include classpath.
|*video:*|
|*https://www.youtube.com/watch?v=rgF-5CwTZeE
<https://www.youtube.com/watch?v=rgF-5CwTZeE>*|
|*Hi,*|
|*I was watching this video:Java Database Connectivity || How to
connect MYSQL and NetBeans 18 || #jdbc #jdbctutorial#jdbcinjava
<https://www.youtube.com/watch?v=rgF-5CwTZeE> *|
Image removed by sender.
Java Database Connectivity || How to connect MYSQL and
NetBeans 18 || #j...
|*and then I downloaded the driver:*|
|*mysql-connector-j-8.1.0 but I also installed:
mysql-connector-j-8.0.33-1ubuntu18.004_all and is also part of my
project’s library.*|
|*I am getting the following output:*|
|*Starts1...*|
|*Exception: com.mysql.jdbc.Driver*|
|*Starts2...*|
|*BUILD SUCCESSFUL (total time: 32 seconds)*|
|*I have attached the following images, R1..., R2…., R3….:*|
|*R1: shows ubuntu driver attached to my project’s library, I am
trying to remove it but the option is greyed.*|
|*R2:shows installation of another mysql-connector-j*|
|*R3:shows the poped window when I clicked the services window*|
|*I have put my question on the reddit forum but they are not able
to guide me.*|
*
*
|*Please solve my problem.*|
*
*
|*Zulfi.*|*
*
On Wednesday, August 9, 2023 at 11:37:35 AM CDT, Greenberg, Gary
<ggree...@visa.com.invalid> wrote:
1. This is not a netbeans question you are asking.
2. There is not enough info, but IMHO you did not include MySQL
jar file in you dependencies in your project.
*From:*Zulfi Khan <zulfi6...@yahoo.com.INVALID>
*Sent:* Tuesday, August 8, 2023 9:23 PM
*To:* NetBeans Mailing List <users@netbeans.apache.org>
*Subject:* mysql connectivity problem with ApachNetbeans
18:Exception: com.mysql.jdbc.Driver
Hi,
Mysql driver error on Apachi netbeans 18.0
Hi,
I am working on ubuntu 18.04. mysql version is:
mysql Ver 14.14 Distrib 5.7.42, for Linux (x86_64) using EditLine
wrapper
I have written the following code for connecting with database:
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.*;
public class Dbconnect {
boolean connect(){
Connection con = null;
System.out.println("Starts1...");
try {
System.out.println("Starts2...");
Class.forName("com.mysql.jdbc.Driver");
con = DriverManager.getConnection("jdbc:mysql://ebookshop",
"root", "");
System.out.println("Starts3...");
if (!con.isClosed()){
System.out.println("Successfully connected to MySQL server...");
Statement stmt = con.createStatement();
String sql = "select * from books";
ResultSet rs = stmt.executeQuery(sql);
String title;
String author;
float price;
int qty;
while(rs.next()){
title = rs.getString("title");
author = rs.getString("author");
price = rs.getFloat("price");
System.out.println("title ="+title+"author="+author+"price="+price);
}
}
} catch(Exception e) {
System.err.println("Exception: " + e.getMessage());
} finally {
try {
if (con != null){
con.close();
return true;
}
} catch(SQLException e) {}
}
return false;
}
I am getting the following error:
Starts1...
Exception: com.mysql.jdbc.Driver
Starts2...
BUILD SUCCESSFUL (total time: 13 seconds)
Somebody, please guide me.
Zulfi.
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