The error message “Not provider of Jakarta.mail.util.StreamProvider was found” typically occurs when there is an issue with the email library configuration. This error commonly arises when using Jakarta Mail (formerly JavaMail) for sending emails in a Java application.
TL;DR – Learn How to Fix ‘Not provider of jakarta.mail.util.StreamProvider was found’ error.
Take a look at the following few steps to rectify this error:
1. Ensure that you have the required dependencies added to your project. In your project’s `pom.xml` file (if you are using Maven), make sure you have the following dependency:
<dependency>
<groupId>com.sun.mail</groupId>
<artifactId>jakarta.mail</artifactId>
<version>2.0.1</version>
</dependency>
2. Check for conflicting dependencies. Make sure that there are no other conflicting email libraries or versions in your project. These conflicts can cause issues and lead to errors like the one you encountered.
3. Clean and rebuild your project. Sometimes, the issue can be resolved by performing a clean build of your project, which ensures that all dependencies are correctly resolved and the classpath is set up properly.
4. Verify the classpath and runtime environment. Ensure that the Jakarta Mail library is present in your classpath when running the application. If you’re using an application server or container, make sure the Jakarta Mail library is properly deployed and accessible to your application.
5. Check the packaging and deployment process. If you’re using a framework or deploying the application to a server, verify that the packaging and deployment process includes the necessary libraries and resources required by Jakarta Mail.
Another solution:
Artifact Jakarta Mail is a way to make email-related things work in our programs. Jakarta Mail API is like a helper that we use when writing our code.
We only need it when we are writing our program, not when we are using it. So, we use the link above to download jakarta.mail.jar and remove jakarta.mail-api.jar if you have any. Then, we add the jakarta.mail.jar to our program build path.
Another Problem: If you are using older version as shown below, use above dependency mentioned in step 1: It will fix the issue
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<dependency>
<groupId>jakarta.mail</groupId>
<artifactId>jakarta.mail-api</artifactId>
<version>2.1.1</version>
<scope>provided</scope>
</dependency>
<!-- github.com/eclipse-ee4j/angus-mail -->
<dependency>
<groupId>org.eclipse.angus</groupId>
<artifactId>jakarta.mail</artifactId>
<version>1.0.0</version>
</dependency>By following these steps, you should be able to resolve the “Not provider of Jakarta.mail.util.StreamProvider was found” error. Make sure to review your project configuration, dependencies, and runtime environment to ensure everything is set up correctly for Jakarta Mail.
FAQ:
The error “Not provider of jakarta.mail.util.StreamProvider was found” occurs when there’s an issue with the email library configuration in a Java application using Jakarta Mail (formerly JavaMail). It typically happens when required dependencies or configurations are missing or incorrectly set up.
To fix the error, follow these steps:
a) Add the correct Jakarta Mail dependency in your pom.xml (Maven).
b) Check for conflicting email libraries or versions.
c) Clean and rebuild your project.
d) Verify the classpath and runtime environment.
f) Ensure proper packaging and deployment.
To check for conflicting dependencies, review your project’s pom.xml file to identify any duplicate or incompatible versions of email libraries. Removing or updating older or conflicting versions of these dependencies can resolve errors like “Not provider of jakarta.mail.util.StreamProvider was found.”
Cleaning and rebuilding your project ensures that all dependencies are correctly resolved and that the classpath is properly set up. This can fix issues caused by outdated or missing library files and help clear any build artifacts causing errors.
To verify the Jakarta Mail library is in your classpath, check if it’s included in your project’s build path, particularly when deploying to an application server. If it’s missing, you may need to add the necessary Jakarta Mail dependency to your pom.xml or ensure that it’s correctly included in your server’s runtime environment.
You can download the jakarta.mail.jar file from the official Jakarta Mail repository or include it in your project as a dependency through Maven. Avoid using outdated or unnecessary versions like jakarta.mail-api.jar.
Jakarta Mail is an API used for sending and receiving emails in Java applications. It provides classes and methods for handling email communication, such as composing, sending, and processing messages, using different email protocols like SMTP and IMAP.
To ensure Jakarta Mail is properly deployed, check the server’s deployment process to ensure the Jakarta Mail library is included. This may involve verifying your build tools, packaging settings, and ensuring the appropriate version of Jakarta Mail is deployed with the application.
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