Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource Spring

Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource Spring


Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource Spring

Failed to configure a DataSource: ‘url’ attribute is not specified and no embedded datasource Spring

APPLICATION FAILED TO START
*************************** spring boot error
Description:
Failed to configure a DataSource: ‘url’ attribute is not specified and no embedded datasource could be configured.
Reason: Failed to determine a suitable driver class

Codes to fix the issue put the code in application.properties


spring.datasource.url=jdbc:mysql://localhost:3306/yourdb
spring.datasource.username=yourusername
spring.datasource.password=yourpassword

spring.jpa.hibernate.ddl-auto=update


How do you resolve failed to configure a DataSource URL attribute is not specified and no embedded DataSource could be configured?
You need to configure the database driver and the JDBC connection properties to fix this exception Failed to configure a DataSource: ‘url’ attribute is not specified and no embedded datasource could be configured.


How does Spring Boot define DataSource?
Spring Boot provides a very good support to create a DataSource for Database. We need not write any extra code to create a DataSource in Spring Boot. Just adding the dependencies and doing the configuration details is enough to create a DataSource and connect the Database.

How do you set up a DataSource?
You can configure as many data sources as you require.


Run the ODBC Data Source Administrator provided on Windows. …
Select the User DSN or the System DSN tab, depending on your requirements, and click Add. …
Select the Ingres driver and click Finish. …
Fill in the necessary fields in the Ingres ODBC Administrator.

How do you create a DataSource in Java?
To create and deploy a DataSource object, you need to perform these tasks: Create an instance of the appropriate DataSource implementation. Set the properties of the DataSource object. Register the object with the Java Naming and Directory Interface (JNDI) naming service.

How do I know if my spring boot is connected to a database?

How do you configure a DataSource in spring?
To configure your own DataSource , define a @Bean of that type in your configuration. Spring Boot reuses your DataSource anywhere one is required, including database initialization. If you need to externalize some settings, you can bind your DataSource to the environment (see “Section 25.8.
The easiest way to test the database connection from Spring boot is to start the application and by checking to debug logs.

Updating the Spring Boot Project Step by Step

Step 1 - Add a Dependency for Your Database Connector to pom. xml. …
Step 2 - Remove H2 Dependency From pom.xml. Or at least make its scope as test. …
Step 3 - Setup Your MySQL Database. …
Step 4 - Configure Your Connection to Your Database. …
Step 5 - Restart and You Are Ready!

What is connection pool in spring boot?




The default connection pool in Spring Boot 2 is HikariCP. It provides enterprise-ready features and better performance. HikariCP is a JDBC DataSource implementation that provides a connection pooling mechanism. If the HikariCP is present on the classpath, the Spring Boot automatically configures it.


How do you handle a spring boot exception?
Exception Handler

The @ExceptionHandler is an annotation used to handle the specific exceptions and sending the custom responses to the client. Define a class that extends the RuntimeException class. You can define the @ExceptionHandler method to handle the exceptions as shown.
How do I use custom DataSource in spring boot?
To configure your own DataSource , define a @Bean of that type in your configuration. Spring Boot reuses your DataSource anywhere one is required, including database initialization. If you need to externalize some settings, you can bind your DataSource to the environment (see “Section 24.8.


How do I use multiple DataSource in spring boot?

Which database is best for spring boot?
MongoDB is an open-source NoSQL document database that uses a JSON-like schema instead of traditional table-based relational data. Spring Boot offers several conveniences for working with MongoDB, including the spring-boot-starter-data-mongodb ‘Starter’.
So, to use multiple data sources, we need to declare multiple beans with different mappings within Spring’s application context. The configuration for the data sources must look like this: spring: datasource: todos: url: … username:

What is @autowired annotation in spring boot?
The @Autowired annotation provides more fine-grained control over where and how autowiring

How do I change my default server in spring boot?
Spring Boot Change Port

The Spring Boot framework provides the default embedded server (Tomcat) to run the Spring Boot application. …
We recommend you to use the application. …
application.properties.
application.properties.
Similarly, we can also change the default port by using a yml file. …
application.ymlshould be accomplished. Java springboot202


Content

2.8 -> hi everyone welcome to our new video today  we're going to show you how to fix if one of  
6.96 -> the errors in one of the most disturbing errors in  um springboard where um when i try to run this uh  
17.92 -> application of mine which i just started like  um i find a disturbing issue here which says  
25.52 -> failed to configure a data source url  distribute is not specified and not embedded  
35.52 -> data source no embedded data source could be  configured reason failed to determine a suitable  
46.64 -> driver class right the simple is simple so when  we were uh i was i was uh uh building this i  
56.48 -> told uh springboard that i need to use mysql  database then the stress is i did not give it  
65.68 -> that information so we're gonna see how to fix  that anyway this is gonna be you can see source  
73.04 -> this folder when i do it okay okay if i do  this um look for the folder called this other  
81.2 -> source sometimes it could be in something else  i may be using eclipse or using a different um
90.88 -> uh ide i'm using netbeans but still it's gonna  be the same thing so you go and look for your  
99.6 -> let me look for uh default packages then you look  for application dot properties there you double  
106.8 -> click uh we're gonna start typing the code which  gonna help us to fix the issue so it means you  
113.84 -> have to connect uh to mysql uh giving the uh the  what all the information about that so uh that's  
123.36 -> the reason why you find that issue so you're gonna  type in here uh spring dot data source spring
133.84 -> dot data source you can even control  uh and take your controller control  
141.68 -> spacebar then you say enter then i'm sure you can  you can go and delete this um the resource.url
154.8 -> okay then you say it's gonna be equals to then  there you're gonna give what they call jdbc  
161.68 -> drivers jtbc you can there's no suggestion there  you can see them uh jdbc is going to be mysql then
175.12 -> double slash day forward slash  local host local local host
187.92 -> right okay um once you have that in place you're  gonna put the port number i don't know what number  
197.28 -> you're using button the default one is  double three zero six uh then you say  
204.4 -> forward slash then you give what they call  the database name this is my database name
214.96 -> to be then you go down on the second page  you say spring um dot data source data source
230.48 -> dot uh it's gonna be dot what  user name it's gonna be user name  
237.92 -> then you give the username for  your database it's gonna be
245.92 -> it's gonna be admin might have made it admin  some of you you can it could be root or whatever  
253.28 -> then you go down and say spring
257.44 -> dot data
260.64 -> source dot password
266.32 -> right uh that's gonna be password  then you say equals to your password
277.76 -> i mean well i made some mr here up this should be  
282.72 -> equal sign it must be equal sign  yes once we're done with those  
290.48 -> you can as well create this line let me see  there's a line here which is going to be here
301.68 -> this line says spring
307.2 -> dot jpl dot dot hibernate i perfect okay ddl  dash auto so that can help you to create what  
324.8 -> a table automatically so you can create or you  can update or whatever so i'm gonna say update  
330.4 -> um table i'll just leave it like that  well that's fine i'm sure this can help us  
339.2 -> this first line it also fixes one of the  errors major issues if you don't put it  
345.28 -> uh you make sure that the port 8080 does not have  any service running on that because if it does  
352.48 -> springbok won't run because gonna find  someone who's already using that you get me so  
357.6 -> i use this port to just put server.port equals  to 8081 just to avoid any conflict on that well  
369.28 -> super fine so what's gonna go on now  i'm gonna run my application what i do  
374 -> okay you have to go here and save you can see  the application before you run it you can see  
380.16 -> down here you can really see there is that  message the one you have that nonsense message so  
388.48 -> what i'm gonna do i'm gonna go  back here my application and i run
403.36 -> still running
417.28 -> build was successful right we didn't see that  message but now there's some issue we have  
427.84 -> small issue this i don't know if spring can do  a pop-up it didn't do that it say error starting  
439.04 -> application to display the condition report run  your application with debug enable okay leave that  
446.88 -> what we're going to do i'm going to disable this  this could be the issue now because i'm trying to  
451.76 -> display j option pan uh leave it then i'm gonna  run the application to display just on the console  
459.92 -> okay i want this to say i win this time once you  see that message you just know that we won really
476.96 -> finished
480.32 -> and let me see if we can see  any issues or more issues
498.96 -> we have that which we not supposed to see
509.6 -> but the odd message is gone
513.6 -> okay you can see we don't see that old message  anymore but still have to make you be happy  
520.32 -> i'm gonna go back here and see what why  did i go wrong here uh mysql let me see
531.28 -> i'm gonna copy the code and paste it there maybe  
534.16 -> i did something and i don't want to  waste a lot of time for you [Music]
542.16 -> press that okay once i pasted that you can save
552.24 -> okay you can see
556.16 -> i can put the code in the description below uh  for you to just copy and paste okay let me run
566.32 -> my application again
570.24 -> i need to see this i win this time
590.32 -> it was successful
594 -> but i still can't see
597.2 -> the message
600.16 -> okay
603.44 -> oh that i understand you know what happens  here is uh the pot 81 springboard is using  
611.44 -> it's already running so we have to stop it  you get me so we stop that we stop that right  
619.52 -> so let me see start okay we can also do it  easily okay i was i was i was amazed and  
630.08 -> say why is it not working so it should work i  can even put it 82 okay then we go back here
642 -> and we start up the application let's  use it uh okay let's do this fine right
654.64 -> programming it needs patience you must be patient
668 -> there is an agent that  worked it was already used so  
675.12 -> don't worry about that what i'm gonna  do i'm gonna close the application
683.04 -> okay exit
688.16 -> yes after closing it give it few seconds so  that we want to close those pots then i go
698.32 -> i run it again
705.12 -> uh
727.2 -> well that's good i'm gonna click here
734.64 -> still compiling okay
740.56 -> other sources we go here okay
749.44 -> go to this i want to give it 81 again
755.04 -> h1 okay then we save
763.28 -> we go back here
768.4 -> i'm gonna start our application
791.04 -> ladies and gents we won you can see  what he tells us it says i win this time  
799.44 -> well that's good so if it gives you some  trouble restart it because of the ports  
803.6 -> you get me remember what i told you when i was  starting here i said when the port is occupied  
808.48 -> your application is not going to work but  uh arguing our argument here the reason why  
814.08 -> the application was not working because of this  only these four lines if you put in your four  
819.04 -> lines you're good to go you understand so that's  it guys thanks for watching if it worked for you  
828.08 -> subscribe comment share to you  can ask more questions about this  
835.68 -> i'm gonna make sure you get the code check into  the description below you will see the code if  
840.96 -> you can see them on the screen well thanks  for watching and see you in the next video

Source: https://www.youtube.com/watch?v=tI6osCDHZeo