我已经为 Eclipse 安装了 hudson/jenkins mylyn 连接器（如此处所述：https ://stackoverflow.com/a/11543067/863180 ）
我已经配置了我的詹金斯，但我总是出现这个错误：服务器验证失败：意外错误：登录时来自服务器的意外响应：服务不可用
这是完整的错误：
eclipse.buildId=unknown
java.version=1.7.0_13
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US
Framework arguments: -showlocation -product com.jboss.jbds.product.product
Command-line arguments: -os win32 -ws win32 -arch x86_64 -showlocation -product com.jboss.jbds.product.product
Error
Wed Jul 31 08:39:16 CEST 2013
Server validation failed: Unexpected error: Unexpected response from server while logging in: Service Unavailable
org.eclipse.core.runtime.CoreException: Unexpected error: Unexpected response from server while logging in: Service Unavailable
at org.eclipse.mylyn.internal.hudson.core.HudsonCorePlugin.toCoreException(HudsonCorePlugin.java:61)
at org.eclipse.mylyn.internal.hudson.core.HudsonServerBehaviour.validate(HudsonServerBehaviour.java:908)
at org.eclipse.mylyn.builds.internal.core.BuildServer.validate(BuildServer.java:369)
at org.eclipse.mylyn.builds.ui.spi.BuildServerPart$Validator.run(BuildServerPart.java:114)
at org.eclipse.mylyn.commons.repositories.ui.RepositoryLocationPart$2.run(RepositoryLocationPart.java:558)
at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)
Caused by: org.eclipse.mylyn.internal.hudson.core.client.HudsonException: Unexpected response from server while logging in: Service Unavailable
at org.eclipse.mylyn.internal.hudson.core.client.HudsonOperation.run(HudsonOperation.java:169)
at org.eclipse.mylyn.internal.hudson.core.client.RestfulHudsonClient.validate(RestfulHudsonClient.java:412)
at org.eclipse.mylyn.internal.hudson.core.HudsonServerBehaviour.validate(HudsonServerBehaviour.java:902)
... 4 more
Caused by: java.io.IOException: Unexpected response from server while logging in: Service Unavailable
at org.eclipse.mylyn.internal.hudson.core.client.HudsonOperation.authenticate(HudsonOperation.java:96)
at org.eclipse.mylyn.commons.repositories.http.core.CommonHttpOperation.executeOnce(CommonHttpOperation.java:114)
at org.eclipse.mylyn.commons.repositories.http.core.CommonHttpOperation.execute(CommonHttpOperation.java:65)
at org.eclipse.mylyn.internal.hudson.core.client.RestfulHudsonClient$8.execute(RestfulHudsonClient.java:390)
at org.eclipse.mylyn.internal.hudson.core.client.RestfulHudsonClient$8.execute(RestfulHudsonClient.java:1)
at org.eclipse.mylyn.internal.hudson.core.client.HudsonOperation.run(HudsonOperation.java:167)
... 6 more
我能做些什么来解决这个问题？