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eclipse pom.xml報錯

Multiple annotations found at this line:- ArtifactDescriptorException: Failed to read artifact descriptor for org.springframework.boot:spring-boot-starter-web:jar:1.5.2.RELEASE: UnresolvableModelException: Failure to transfer org.springframework.boot:spring-boot-parent:pom:1.5.2.RELEASE from http://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced. Original error: Could not transfer artifact org.springframework.boot:spring-boot-parent:pom:1.5.2.RELEASE from/to central (http://repo.maven.apache.org/maven2): No response received after 60000- ArtifactDescriptorException: Failed to read artifact descriptor for org.springframework.cloud:spring-cloud-starter-contract-verifier:jar:1.1.0.RC1: UnresolvableModelException: Failure to transfer org.springframework.cloud:spring-cloud-build:pom:1.3.1.RELEASE from http://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of?

central has elapsed or updates are forced. Original error: Could not transfer artifact org.springframework.cloud:spring-cloud-build:pom:1.3.1.RELEASE from/to central (http://repo.maven.apache.org/maven2):?

No response received after 60000

- Failure to transfer org.springframework.boot:spring-boot-parent:pom:1.5.2.RELEASE from http://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be?

reattempted until the update interval of central has elapsed or updates are forced. Original error: Could not transfer artifact org.springframework.boot:spring-boot-parent:pom:1.5.2.RELEASE from/to central?

(http://repo.maven.apache.org/maven2): No response received after 60000

- ArtifactDescriptorException: Failed to read artifact descriptor for org.springframework.boot:spring-boot-starter-test:jar:1.5.2.RELEASE: UnresolvableModelException: Failure to transfer?

org.springframework.boot:spring-boot-parent:pom:1.5.2.RELEASE from http://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of?

central has elapsed or updates are forced. Original error: Could not transfer artifact org.springframework.boot:spring-boot-parent:pom:1.5.2.RELEASE from/to central (http://repo.maven.apache.org/maven2):?

No response received after 60000