Compiling and Installing Spring Framework

Download the Spring Framework source code.

       
            cd /home
git config --global http.sslVerify false
git clone https://github.com/spring-projects/spring-framework.git

If the git clone command fails to be executed, replace github.com with github.com.cnpmjs.org.

Go to the source code directory and switch to the specified version. (v5.2.x can be v5.2.2 or v5.2.6.)
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cd spring-framework git checkout v5.2.x.RELEASE

Configure Gradle.

Open the gradle-wrapper.properties file.

         
              vim gradle/wrapper/gradle-wrapper.properties

Press i to go to the insert mode, comment out line 3, and add the following content to line 4:
```
distributionUrl=gradle-5.6.4-bin.zip
```
Press Esc, type :wq!, and press Enter to save the file and exit.

Download the Gradle source code.

         
              wget https://services.gradle.org/distributions/gradle-5.6.4-bin.zip --no-check-certificate

Move the gradle-5.6.4-bin.zip source package to the gradle/wrapper/ directory.

         
              mv gradle-5.6.4-bin.zip gradle/wrapper/

Optional: Configure Cntlm.
If a proxy is required for the server to access the Internet, configure Cntlm. For details, see Configuring Cntlm.

Perform the compilation.

cd /home/spring-framework
./gradlew build

If BUILD SUCCESSFUL is displayed, the compilation is successful.

On CentOS 7.6/openEuler 20.03:

If an error message is displayed stating "validity check failed", see "certificate signed by unknown authority" Displayed When Installing Gox and Importing the Certificate.

If an error message is displayed stating "unable to find valid certification path to requested target", see "certificate signed by unknown authority" Displayed When Installing Gox and Importing the Certificate. If the error message persists, restart the server and run the following commands:

           
                /opt/cntlm/bin/cntlm -c /opt/cntlm/etc/cntlm.conf
source /etc/profile

If an error message is displayed stating "OutOfMemoryError thrown from UncaughtExceptionHandler", see OutOfMemoryError Reported When Compiling Spring Framework.

On CentOS 8.1:

During the compilation, an error is reported due to gradle-enterprise-conventions.jar. For details about how to handle the error, see gradle-enterprise-conventions Error Reported When Compiling Spring-framework.

Parent topic: Spring-Framework Porting Guide