我将 Jenkins 设置为自动构建由 SVN 控制的项目。我遇到了一个问题，项目签出失败。
我并不总是遇到这个问题。其实我只遇到过一次。
你能给我一些关于问题根本原因的指导吗？我怎样才能避免问题再次发生。谢谢：-）
例外情况如下：
Failed to check out http://ziyue.corp.com/svn/repos/process_tools/trunk/stevsssion
org.tmatesoft.svn.core.SVNException: svn: REPORT /svn/repos/process_tools/!svn/vcc/default failed
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.request(HTTPConnection.java:298)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.request(HTTPConnection.java:283)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.request(HTTPConnection.java:271)
at org.tmatesoft.svn.core.internal.io.dav.DAVConnection.doReport(DAVConnection.java:283)
at org.tmatesoft.svn.core.internal.io.dav.DAVRepository.runReport(DAVRepository.java:1282)
at org.tmatesoft.svn.core.internal.io.dav.DAVRepository.update(DAVRepository.java:830)
at org.tmatesoft.svn.core.wc.SVNUpdateClient.update(SVNUpdateClient.java:564)
at org.tmatesoft.svn.core.wc.SVNUpdateClient.doCheckout(SVNUpdateClient.java:942)
at hudson.scm.subversion.CheckoutUpdater$1.perform(CheckoutUpdater.java:84)
at hudson.scm.subversion.WorkspaceUpdater$UpdateTask.delegateTo(WorkspaceUpdater.java:136)
at hudson.scm.SubversionSCM$CheckOutTask.perform(SubversionSCM.java:788)
at hudson.scm.SubversionSCM$CheckOutTask.invoke(SubversionSCM.java:769)
at hudson.scm.SubversionSCM$CheckOutTask.invoke(SubversionSCM.java:753)
at hudson.FilePath.act(FilePath.java:865)
at hudson.FilePath.act(FilePath.java:838)
at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:743)
at hudson.scm.SubversionSCM.checkout(SubversionSCM.java:685)
at hudson.model.AbstractProject.checkout(AbstractProject.java:1342)
at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout (AbstractBuild.java:683)
at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:88)
at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:588)
at hudson.model.Run.execute(Run.java:1568)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:237)
Caused by: org.tmatesoft.svn.core.SVNErrorMessage: svn: REPORT /svn/repos/process_tools/!svn/vcc/default failed
at org.tmatesoft.svn.core.SVNErrorMessage.create(SVNErrorMessage.java:200)
at org.tmatesoft.svn.core.SVNErrorMessage.create(SVNErrorMessage.java:146)
at org.tmatesoft.svn.core.SVNErrorMessage.create(SVNErrorMessage.java:89)
... 25 more
Caused by: org.tmatesoft.svn.core.SVNException: svn: REPORT request failed on '/svn/repos/process_tools/!svn/vcc/default'
svn: Processing REPORT request response failed: The element type "S:prop" must be terminated by the matching end-tag "</S:prop>". (/svn/repos/process_tools/!svn/vcc/default)
at org.tmatesoft.svn.core.internal.wc.SVNErrorManager.error(SVNErrorManager.java:64)
at org.tmatesoft.svn.core.internal.wc.SVNErrorManager.error(SVNErrorManager.java:51)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection._request(HTTPConnection.java:662)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.request(HTTPConnection.java:292)
... 24 more
Caused by: org.tmatesoft.svn.core.SVNErrorMessage: svn: REPORT request failed on '/svn/repos/process_tools/!svn/vcc/default'
at org.tmatesoft.svn.core.SVNErrorMessage.create(SVNErrorMessage.java:200)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection._request(HTTPConnection.java:660)
... 25 more
Caused by: org.tmatesoft.svn.core.SVNErrorMessage: svn: Processing REPORT request response failed: The element type "S:prop" must be terminated by the matching end-tag "</S:prop>". (/svn/repos/process_tools/!svn/vcc/default)
at org.tmatesoft.svn.core.SVNErrorMessage.create(SVNErrorMessage.java:200)
at org.tmatesoft.svn.core.SVNErrorMessage.create(SVNErrorMessage.java:181)
at org.tmatesoft.svn.core.SVNErrorMessage.create(SVNErrorMessage.java:133)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.readData(HTTPConnection.java:790)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection.readData(HTTPConnection.java:741)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPRequest.dispatch(HTTPRequest.java:218)
at org.tmatesoft.svn.core.internal.io.dav.http.HTTPConnection._request(HTTPConnection.java:379)
... 25 more