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我是Spring的新手，我想开始学习。我已经安装了Spring boot cli（Spring CLI v1.5.3.RELEASE），并且我已经创建了一个简单的服务器，如下所示。Spring boot cli DependencyResolutionFailedException
@RestController
class WebApplication {
@RequestMapping("/")
String home() {
"Hello World!"
}
}
我还设置：
export proxy="proxy-info"
export https-proxy="proxy-info"
export http-proxy="proxy-info"
设置也JAVA_OPTS，仍然没有工作：
-Dhttp.proxyHost=proxyhostURL
-Dhttp.proxyPort=proxyPortNumber
-Dhttp.proxyUser=someUserName
-Dhttp.proxyPassword=somePassword
启动服务器：
spring run hello.groovy
我得到异常：
> Resolving dependencies.. startup failed: General error during
> conversion:
> org.eclipse.aether.resolution.DependencyResolutionException: Failed to
> collect dependencies at
> org.springframework.boot:spring-boot-starter:jar:1.5.3.RELEASE
>
> org.springframework.boot.cli.compiler.grape.DependencyResolutionFailedException:
> org.eclipse.aether.resolution.DependencyResolutionException: Failed to
> collect dependencies at
> org.springframework.boot:spring-boot-starter:jar:1.5.3.RELEASE
> at org.springframework.boot.cli.compiler.grape.AetherGrapeEngine.resolve(AetherGrapeEngine.java:324)
> at org.springframework.boot.cli.compiler.grape.AetherGrapeEngine.grab(AetherGrapeEngine.java:129)
> at groovy.grape.Grape.grab(Grape.java:167)
> at groovy.grape.GrabAnnotationTransformation.visit(GrabAnnotationTransformation.java:378)
> at org.codehaus.groovy.transform.ASTTransformationVisitor$3.call(ASTTransformationVisitor.java:321)
> at org.codehaus.groovy.control.CompilationUnit.applyToSourceUnits(CompilationUnit.java:943)
> at org.codehaus.groovy.control.CompilationUnit.doPhaseOperation(CompilationUnit.java:605)
> at org.codehaus.groovy.control.CompilationUnit.processPhaseOperations(CompilationUnit.java:581)
> at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:558)
> at org.springframework.boot.cli.compiler.GroovyCompiler.compile(GroovyCompiler.java:206)
> at org.springframework.boot.cli.command.run.SpringApplicationRunner.compile(SpringApplicationRunner.java:129)
> at org.springframework.boot.cli.command.run.SpringApplicationRunner.compileAndRun(SpringApplicationRunner.java:101)
> at org.springframework.boot.cli.command.run.RunCommand$RunOptionHandler.run(RunCommand.java:111)
> at org.springframework.boot.cli.command.options.OptionHandler.run(OptionHandler.java:84)
> at org.springframework.boot.cli.command.OptionParsingCommand.run(OptionParsingCommand.java:54)
> at org.springframework.boot.cli.command.CommandRunner.run(CommandRunner.java:219)
> at org.springframework.boot.cli.command.CommandRunner.runAndHandleErrors(CommandRunner.java:171)
> at org.springframework.boot.cli.SpringCli.main(SpringCli.java:63)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
....
> 1 error