IllegalArgumentException on List Pages - Tree View

See http://confluence.atlassian.com/pages/listpages-dirview.action?key=TEST. Expand out the Home page.

java.lang.IllegalArgumentException: Attempted to write longer than Content-Length (8192 + 5038 / 13198)
at com.evermind[Orion/2.0.2 (build 11157)]._aj.write(.:130)
at sun.nio.cs.StreamEncoder$ConverterSE.implFlushBuffer(StreamEncoder.java:236)
at sun.nio.cs.StreamEncoder$ConverterSE.implFlush(StreamEncoder.java:242)
at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:152)
at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:213)
at java.io.BufferedWriter.flush(BufferedWriter.java:230)
at java.io.PrintWriter.flush(PrintWriter.java:120)
at com.opensymphony.module.sitemesh.filter.PageFilter.writeOriginal(PageFilter.java:186)
at com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:67)
at com.evermind[Orion/2.0.2 (build 11157)]._ha.doFilter(.:16)
at com.atlassian.confluence.util.ServletContextThreadLocalFilter.doFilter(ServletContextThreadLocalFilter.java:30)
at com.evermind[Orion/2.0.2 (build 11157)]._ha.doFilter(.:20)
at com.atlassian.confluence.util.UserThreadLocalFilter.doFilter(UserThreadLocalFilter.java:45)
at com.evermind[Orion/2.0.2 (build 11157)]._ha.doFilter(.:20)
at com.atlassian.seraph.filter.SecurityFilter.doFilter(SecurityFilter.java:182)
at com.evermind[Orion/2.0.2 (build 11157)]._ha.doFilter(.:20)
at com.atlassian.seraph.filter.LoginFilter.doFilter(LoginFilter.java:177)