...
I believe there are thread contention issues with these two variables (systemCache UP-1145 and systemCharacterCache) since both are not synchronized and reads and updates are not made within the synchronized blocks either.
Example serialized version of cache.
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10068"><h2 id="n10068">Featured Events</h2></a></div><div class="portlet clearfix">, </div></td></tr></table></div><div id="portal-page-footer"><div><a href="http://www.rutgers.edu/" target="_blank"><img src="media/edu/rutgers/acs/portal/layout/tab-column/rutgers-theme/myrutgers/institutional/rutgers_footer_logo.gif" title="Go to Rutgers home page" alt="Rutgers Logo" height="30" width="99" /></a></div><p>
Links to campus web sites:
<a href="http://camden-www.rutgers.edu/" target="_blank">Camden</a>,
<a href="http://rutgers-newark.rutgers.edu/" target="_blank">Newark</a>,
<a href="http://nbp.rutgers.edu/" target="_blank">New Brunswick/Piscataway</a>,
<a href="http://www.rutgers.edu/" target="_blank">Rutgers University</a>.
<br />
For assistance, contact the Help Desks in:
<a href="http://rucs.camden.rutgers.edu/" target="_blank">Camden</a>,
<a href="http://www.ncs.rutgers.edu/helpdesk/" target="_blank">Newark</a>, or
<a href="http://www.nbcs.rutgers.edu/helpdesk/hdnew/" target="_blank">New Brunswick/Piscataway</a>.
</p></div></body></html>]], ce.channelIds=[n10050, n10049, n10058, n10059, n10060, n10061, n10062, n10063, n10065, n10066, n10067, n10068])