Teamcity 6和svn+；ssh集成问题

我使用Teamcity 6.0.2创建了安装，该安装使用svn+ssh协议从linux服务器获取源代码。 当我尝试连接到linux机器时，我看到异常，日志信息如下。我用puttygen创建了私钥，并将其导出为OpenSSH密钥。 使用油灰+乌龟进行检查操作VN工作正常，没有任何问题。我在sshd_配置文件中没有Banner元素

如何解决这个问题？ Linux机器位于AmazonEC2云上

问候,， 亚历克

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[2011-02-27 21:54:29,794]   WARN [loader 1 {id=1}] -      jetbrains.buildServer.VCS - Error while loading vcs version for root 'svn: svn+ssh://dc-sol/home/svn/platnosci/trunk {id=1}', id=1: org.tmatesoft.svn.core.SVNException: svn: Cannot connect to 'svn+ssh://dc-sol': There was a problem while connecting to dc-sol:22 
[2011-02-27 21:54:29,796]   WARN [loader 1 {id=1}] -      jetbrains.buildServer.VCS - Error while loading changes for root svn: svn+ssh://dc-sol/home/svn/platnosci/trunk {id=1}, cause: org.tmatesoft.svn.core.SVNException: svn: Cannot connect to 'svn+ssh://dc-sol': There was a problem while connecting to dc-sol:22 
[2011-02-27 21:54:50,962]   WARN [on=editVcsRoot ] -      jetbrains.buildServer.VCS - Error occurred in test connection
jetbrains.buildServer.vcs.VcsException: svn: Cannot connect to 'svn+ssh://dc-sol': There was a problem while connecting to dc-sol:22
 at jetbrains.buildServer.buildTriggers.vcs.svn.SvnSupport.testConnection(SvnSupport.java:263)
 at jetbrains.buildServer.controllers.admin.projects.EditVcsRootsController.doPost(EditVcsRootsController.java:97)
 at jetbrains.buildServer.controllers.BaseFormXmlController$1.handleRequest(BaseFormXmlController.java:54)
 at jetbrains.buildServer.controllers.AjaxRequestProcessor.processRequest(AjaxRequestProcessor.java:45)
 at jetbrains.buildServer.controllers.BaseFormXmlController.doHandle(BaseFormXmlController.java:52)
 at jetbrains.buildServer.controllers.BaseController.handleRequestInternal(BaseController.java:73)
 at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153)
 at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)
 at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:875)
 at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:807)
 at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:571)
 at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:511)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
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 at jetbrains.buildServer.rootDispatcher.TeamCityDispatcherServlet.service(TeamCityDispatcherServlet.java:271)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
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 at jetbrains.buildServer.web.SetThreadNameFilter.doFilter(SetThreadNameFilter.java:3)
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