Exception in thread main java lang noclassdeffounderror spring boot

Exception in thread " main" java. NoClassDefFoundError: org/ springframework/ boot/ SpringApplication at com. NoClassDefFoundError: org/ springframework/ context/ ApplicationContext at cats. < description> Demo project for Spring Boot< / description> < parent> < groupId> org. boot< / groupId>. I' m new to Spring and Maven. I' m trying to run the jar of a simple application but I' m receiving the following error: java - jar target/ gs- rest- service- 0. jar Exception in thread " main" java. SpringApplication; import org. SpringBootApplication; public class Application { public static void main( String[ ] args). You need to set build attribute. < build> < plugins> < plugin> < groupId> org. boot< / groupId> < artifactId> spring- boot- maven- plugin< / artifactId > < / plugin> < / plugins> < / build>. Maybe run Maven - > Update project ( so dependencies will be downloaded) If maven update fails then your settings.

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    Java lang boot

    xml for maven is bad, repositories are misconfigured forexample. Check which settings. but remember that all Spring Boot dependencies rely on Spring framework transitive dependencies, so check in your. < version> $ { spring- boot- version} < / version> < configuration> < mainClass> your- main- class< / mainClass>. Your jar does not contain the dependencies such as spring- boot which it is looking for during runtime. You can build a consolidated jar with all the dependencies as outlined in this question. I resolved the problem by deleting maven local repository at ~ \. m2\ repository and then re- setting eclipse configuration to default. This issue is caused by local jars being corrupted, or invalid eclipse build settings. I am receiving the following errors with maven: UPDATED. Error when running the application( just start code with database setting). NoClassDefFoundError: org/ springframework/ context/.