> Tomcat freezes one or more times a day. It may be related to the > reloading (in Tomcat's manager) of the Solr application. Searching the > internet led me to the conclusion that this might be due to garbage > collection. I was advised to enable more detailed logging of garbage > collection with '-verbose:gc'. Tomcat's JAVA_OPTS currently looks like > this. > > > > JAVA_OPTS="-Djava.awt.headless=true -Xmx128m -XX:+UseConcMarkSweepGC > -verbose:gc -XX:+PrintGCTimeStamps -XX:+PrintGCDetails" > > > > This morning it froze again, you can find the log since the first > request today - after which Tomcat froze - at > http://pastebin.com/yVGmAjK8 <http://pastebin.com/yVGmAjK8> . I do not > know when the GC would have stopped, as the server was restarted after > three minutes (an unacceptable long downtime).
Part Solr log part GC log? Strange. Anyway, your permgen is full, do not reload Solr in Tomcat as it, by default, does not free previous permgen space. > > > > Does anyone have a clue as to what is going on here? > > > > Reinier
