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目前我正在调查一个 maven (3.0.4) 问题。我正在尝试清理一个生成 java 类等（xtext，tycho ...）的项目，但它在 jenkins 或 eclipse 中无法在本地工作。几天前它工作得很好，我在最后几天没有做任何改变！

Maven 正在下载一些必要的文件，过了一会儿他尝试下载例如 org.eclipse.emf.mwe2.lib_2.8.0.v201505260335.jar 并且失败了。他正在尝试更多镜像，但下载也失败了。

马文 说：

"Retry another mirror": ["Problems downloading artifact: osgi.bundle,org.eclipse.emf.mwe2.lib,2.8.0.v201505260335.": ["Error reading signed content:D:\cygwin64\tmp\signatureFile7029196355039391088.jar"]

但我认为这里的问题不在于下载。他无法处理下载的文件，因为文件例如signatureFile7029196355039391088.jar 存在并且文件大小与我下载它的服务器上的相同。

因为堆栈跟踪有点长，并且每个镜像都重复消息，所以这里的堆栈跟踪提取：

[ERROR] Internal error: java.lang.RuntimeException: "Messages while trying children repositories.": ["Messages while trying children repositories.": ["Messages while trying children repositories.": ["Messages while trying children repositories.": ["": ["Multiple problems occurred while downloading.": ["Failed to transfer artifact packed: osgi.bundle,org.eclipse.emf.mwe2.runtime,2.8.0.v201505260335.":["Problems downloading artifact: osgi.bundle,org.eclipse.emf.mwe2.lib,2.8.0.v201505260335.": ["Error reading signed content:D:\cygwin64\tmp\signatureFile7029196355039391088.jar"]]]]]]]]]
        at org.eclipse.tycho.p2.target.P2ArtifactDownloadTool.downloadArtifactsToLocalMavenRepository(P2ArtifactDownloadTool.java:58)
        at org.eclipse.tycho.p2.target.TargetPlatformImpl.downloadArtifacts(TargetPlatformImpl.java:196)
        at org.eclipse.tycho.p2.impl.resolver.P2ResolverImpl.resolveProject(P2ResolverImpl.java:124)
        at org.eclipse.tycho.p2.impl.resolver.P2ResolverImpl.resolveProject(P2ResolverImpl.java:76)
        at org.eclipse.tycho.p2.resolver.P2TargetPlatformResolver.doResolvePlatform(P2TargetPlatformResolver.java:445)
        at org.eclipse.tycho.p2.resolver.P2TargetPlatformResolver.resolveDependencies(P2TargetPlatformResolver.java:422)
        at org.eclipse.tycho.core.resolver.DefaultTychoDependencyResolver.resolveProject(DefaultTychoDependencyResolver.java:98)
        at org.eclipse.tycho.core.maven.TychoMavenLifecycleParticipant.afterProjectsRead(TychoMavenLifecycleParticipant.java:61)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:274)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
        ... 11 more

正如我所说，不同环境下的行为相同：IDE、本地 (cygwin) 和 unix (jenkins)。

有任何想法吗？

亲切的问候

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