Java maven:无法在项目上执行目标

这就是我在maven中遇到的错误

 [ERROR] Failed to execute goal on project eDisplayData-module-socketIoServer: Co
uld not resolve dependencies for project com.volvocars.vcc.and:eDisplayData-modu
le-socketIoServer:jar:1.1-SNAPSHOT: Failed to collect dependencies for [com.volv
ocars.vcc.and:eDisplayData-module-services:jar:RELEASE (compile), com.ford.vcc.g
ent.tclient:tclient-vcg-messaging:jar:RELEASE (compile), com.corundumstudio.sock
etio:netty-socketio:jar:1.7.8 (compile), io.netty:netty-handler:jar:4.0.32.Final
 (compile), com.github.nkzawa:socket.io-client:jar:0.4.2 (test), com.fasterxml.j
ackson.core:jackson-core:jar:2.4.4 (compile), com.fasterxml.jackson.core:jackson
-databind:jar:2.4.4 (compile), com.fasterxml.jackson.core:jackson-annotations:ja
r:2.4.4 (compile), javassist:javassist:jar:3.12.1.GA (compile), org.slf4j:slf4j-
api:jar:1.7.11 (compile), org.slf4j:slf4j-log4j12:jar:1.7.11 (runtime), log4j:lo
g4j:jar:1.2.17 (runtime), com.ford.vcc.gent.base:uFramework:jar:RELEASE (compile
), com.ford.vcc.gent.base:uCommonLib:jar:RELEASE (provided), com.ford.vcc.gent.s
ys:uUtilities-test:jar:RELEASE (test), com.volvocars.vcc.and:uCommonIntegrationT
esting:jar:RELEASE (test)]: Failed to read artifact descriptor for com.fasterxml
.jackson.core:jackson-core:jar:2.6.3: Could not transfer artifact com.fasterxml.
jackson.core:jackson-core:pom:2.6.3 from/to mirror (http://gensvl4002.gen.volvoc
ars.net:8080/repository/mirror): Failed to transfer file: http://gensvl4002.gen.
volvocars.net:8080/repository/mirror/com/fasterxml/jackson/core/jackson-core/2.6
.3/jackson-core-2.6.3.pom. Return code is: 500, ReasonPhrase:Unable to fetch art
ifact resource.. -> [Help 1]

我试过mvn clean安装、mvn clean、clean build等等，但都不起作用

Failed to read artifact descriptor for com.fasterxml
.jackson.core:jackson-core:jar:2.6.3: Could not transfer artifact com.fasterxml.
jackson.core:jackson-core:pom:2.6.3 from/to mirror (http://gensvl4002.gen.volvoc
ars.net:8080/repository/mirror)

问题是您的settings.xml试图从以下镜像下载jackson core： ars.net:8080/repository/mirror 更新你的settings.xml以镜像maven repo central（jackson在那里可用）

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您还可以在上代理maven repo central（只要它可以访问internet）

似乎您的存储库中缺少突出显示的依赖项，或者您没有正确设置存储库。