Creating an RSS feed with feed builder triggers an IllegalArgumentException

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Problem

Generating an RSS feed with the RSS feed builder triggers a Java IllegalArgumentException:

java.lang.IllegalArgumentException: Unable to convert [https://localhost/confluence/createrssfeed.action?types=page&types=blogpost&types=mail&types=comment&types=attachment&sort=modified&showContent=true&showDiff=true&spaces=conf_all&labelString=&rssType=atom&maxResults=10&timeSpan=5&publicFeed=false&title=uProjects+RSS+Feed&os_authType=basic ] to a URL
at com.atlassian.confluence.dashboard.actions.ConfigureRssFeedAction.createRssLink(ConfigureRssFeedAction.java:128)

caused by: java.net.MalformedURLException: Unknown protocol: https
at java.net.URL.<init>(URL.java:636) 

Cause

The IBM JDK is being used.

Resolution

Switch from the OS pre-installed IBM JDK 1.5 to a separately installed Sun JDK 1.6 for Confluence. This will resolve the issue and you'll be able to generate https feed URLs.

Last modified on Mar 30, 2016

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