ClassNotFoundException exception when trying to start new created gradle project via Initializr [SPR-15904]

[spring-projects-issues]

Milan Adamovic opened SPR-15904 and commented

When i create simple Spring gradle project via Spring Initializr and try to run it in Intellij every time i get:
ClassNotFoundException: org.springframework.boot.SpringApplication

If i use same setup but instead gradle project i choose maven, then everything works great.

Steps to reproduce:

1. Go to Spring Initializr, choose gradle project.
2. Set some random names or keep demo.
3. Add Web and Rest as dependencies.
4. Download and import in Intellij as gradle project.
5. Go to run settings (Edit Configurations.. -> + -> Applications), set Main class and module, click save and close dialog.
6. Run!

Expected:
Everything works fine exactly like maven generated project.

Actual:
You get exception:
ClassNotFoundException: org.springframework.boot.SpringApplication

Spring version: latest
Intellj version: IntelliJ IDEA 2016.1.4
Build #IC-145.2070,
JRE: 1.8.0_76-release-b198 x86_64
JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o

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No further details from SPR-15904

[spring-projects-issues]

Stéphane Nicoll commented

This issue tracker is not meant to tackle Spring Boot or Spring Initializr request. Both have a dedicate tracker (Spring Boot, Spring Initializr).

Questions are to be asked on StackOverflow or Gitter. If that works with Maven but not Gradle, this is a setup problem on your side (as Gradle is tested in numerous places and works fine). This problem usually happens when a jar was corrupted when it was downloaded. Remove Spring Boot from your Gradle cache and try again.