cruisecontrol集成SVN启动报错？

Question

用CC每日构建是启动配置报错只要是SVN自动更新代码
下面是错误信息
net.sourceforge.cruisecontrol.CruiseControlException: svn failed with exception
at net.sourceforge.cruisecontrol.util.CommandExecutor.executeAndWait(Com
mandExecutor.java:115)
at net.sourceforge.cruisecontrol.util.Commandline.executeAndWait(Command
line.java:653)
at net.sourceforge.cruisecontrol.bootstrappers.SVNBootstrapper.bootstrap
(SVNBootstrapper.java:134)
at net.sourceforge.cruisecontrol.Project.bootstrap(Project.java:779)
at net.sourceforge.cruisecontrol.Project.build(Project.java:193)
at net.sourceforge.cruisecontrol.Project.execute(Project.java:148)
at net.sourceforge.cruisecontrol.ProjectConfig.execute(ProjectConfig.jav
a:408)
at net.sourceforge.cruisecontrol.ProjectWrapper.run(ProjectWrapper.java:
69)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.io.IOException: Cannot run program "svn" (in directory "E:\cruis
econtrol\cruisecontrol-bin-2.8.4\projects\xxxx\xxxx"): CreateProcess error=2,
?????????
at java.lang.ProcessBuilder.start(ProcessBuilder.java:470)
at java.lang.Runtime.exec(Runtime.java:593)
at net.sourceforge.cruisecontrol.util.CruiseRuntime.exec(CruiseRuntime.j
ava:22)
at net.sourceforge.cruisecontrol.util.Commandline.execute(Commandline.ja
va:632)
at net.sourceforge.cruisecontrol.util.CommandExecutor.executeAndWait(Com
mandExecutor.java:113)
... 8 more
Caused by: java.io.IOException: CreateProcess error=2, ?????????
at java.lang.ProcessImpl.create(Native Method)
at java.lang.ProcessImpl.(ProcessImpl.java:177)
at java.lang.ProcessImpl.start(ProcessImpl.java:28)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:452)
... 12 more

求大神帮看下