After enabling the Poll SCM checkbox and setting the Schedule to "*/5 * * * *" in a SVN build job, Jenkins repeatedly builds the application every 5 minutes even when no source code changes have been made. This happens because there is a double forwardslash (e.g. //) somewhere in the Subversion Repository URL.

Example:

https://company.com/svnrepos//repo/src

The source code is retrieved even though the URL is invalid and the job builds in an endless loop.

WORKAROUND:

Remove the double forwardslash from the Subversion Repository URL.

Example:

https://company.com/svnrepos/repo/src