Yes, I think this will get you going with javarebel:
MAVEN_OPTS="-XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=128m - Xmx512m -noverify -javaagent:/path/to/jrebel-2.1/jrebel.jar" mvn jetty:run in another terminal window mvn scala:cc get a free license here: http://www.zeroturnaround.com/scala-license/ - Jon On Oct 8, 10:18 pm, Alex Black <a...@alexblack.ca> wrote: > Hi Jon, > > I haven't narrowed it down to being after a context reload or not. > > I'll try what you suggested and turn off jetty's reload and use > javaRebel instead. > > Where would I set those JVM flags, should those go in MAVEN_OPTS? > > I'll keep SBT in mind... > > - ALex > > On Oct 8, 4:37 pm, jon <jonhoff...@gmail.com> wrote: > > > > > Hi, > > > Is this error occurring after a context reload? You may want to turn > > off context reloading in your mvn jetty configuration because, as far > > as i can tell, that has always been a completely broken feature. > > Do this by adding <scanIntervalSeconds>0</scanIntervalSeconds> to the > > "org.mortbay.jetty" <configuration/> > > > You can setup javarebel if you want to avoid restarting the container > > for minor code changes. You may still run into permgen issues as > > javarebel reloads classes too. But, these JVM flags will help reduce > > the frequency further: > > -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=128m > > > (add to your MAVEN_OPTS env variable) > > > I would also suggest looking into sbt as the continuous compilation is > > much more robust than scala:cc (it keeps track of dependencies and > > will recompile the entire tree). The only downside is there's no yui > > compressor plugin, yet. > > > - Jon > > > On Oct 8, 2:16 pm, Timothy Perrett <timo...@getintheloop.eu> wrote: > > > > Alex, > > > > Any reason your running the install goal? You really don't need to. > > > > Regarding the permgen: Can you show your maven options? You can > > > improve the situation by setting a larger heap size, however this is > > > an unfortunate thing that just goes along with jetty and maven. > > > > HTH > > > > Cheers, Tim > > > > On Oct 8, 7:10 pm, Alex Black <a...@alexblack.ca> wrote: > > > > > I've encountered this error 3 times, running Jetty and Maven, just > > > > trying out Lift scala with a hello-world like website. > > > > > I have to kill the JVM with "kill -9" and restart things to fix it, > > > > any ideas? > > > > - Command line: "mvn install jetty:run" > > > > - I'm using Lift 1.0, Scala 2.7.6 final, 64bit JDK1.6.0_16, on Ubuntu > > > > Desktop x64. > > > > - My app is trivial, no comet or actors or mapping, one view, one > > > > class, lists records out of a postgres database table (which has 2 > > > > records in it, 2 columns) > > > > > Here are the errors from the terminal running jetty, I am not sure if > > > > the actor/SessionMaster errors are related to the memory errors. > > > > > ERROR - Couldn't start SessionMaster ping > > > > net.liftweb.util.ActorPingException: net.liftweb.http.SessionMaster > > > > $checkandpur...@7130bd0a could not be scheduled on > > > > net.liftweb.http.sessionmast...@36cb1594 > > > > at net.liftweb.util.ActorPing$.schedule(ActorPing.scala:51) > > > > at > > > > net.liftweb.http.SessionMaster$.net$liftweb$http$SessionMaster$ > > > > $doPing(LiftSession.scala:209) > > > > at net.liftweb.http.SessionMaster$$anonfun$act$1$$anonfun$apply > > > > $1.apply(LiftSession.scala:200) > > > > at net.liftweb.http.SessionMaster$$anonfun$act$1$$anonfun$apply > > > > $1.apply(LiftSession.scala:169) > > > > at scala.actors.Reaction.run(Reaction.scala:78) > > > > at scala.actors.FJTask$Wrap.run(Unknown Source) > > > > at scala.actors.FJTaskRunner.scanWhileIdling(Unknown Source) > > > > at scala.actors.FJTaskRunner.run(Unknown Source) > > > > Caused by: java.util.concurrent.RejectedExecutionException > > > > at java.util.concurrent.ThreadPoolExecutor > > > > $AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:1760) > > > > at java.util.concurrent.ThreadPoolExecutor.reject > > > > (ThreadPoolExecutor.java:767) > > > > at > > > > java.util.concurrent.ScheduledThreadPoolExecutor.delayedExecute > > > > (ScheduledThreadPoolExecutor.java:216) > > > > at java.util.concurrent.ScheduledThreadPoolExecutor.schedule > > > > (ScheduledThreadPoolExecutor.java:379) > > > > at java.util.concurrent.Executors > > > > $DelegatedScheduledExecutorService.schedule(Executors.java:654) > > > > at net.liftweb.util.ActorPing$.schedule(ActorPing.scala:49) > > > > ... 7 more > > > > INFO - Service request (GET) / took 1411 Milliseconds > > > > INFO - Service request (GET) /classpath/jquery.js took 7 Milliseconds > > > > [INFO] restarting > > > > org.mortbay.jetty.plugin.jetty6pluginwebappcont...@5dbb6a69{/,/home/ > > > > alex/dev/poc/src/main/webapp} > > > > 2009-10-08 14:06:44.221::WARN: Error for /ajax_request/liftAjax.js > > > > java.lang.OutOfMemoryError: PermGen space > > > > 2009-10-08 14:06:47.424::WARN: failed LiftFilter: > > > > java.lang.OutOfMemoryError: PermGen space > > > > 2009-10-08 14:06:48.053::WARN: failed servlethand...@4838ddcc: > > > > java.lang.OutOfMemoryError: PermGen space > > > > 2009-10-08 14:06:48.053::WARN: failed securityhand...@d69a11f: > > > > java.lang.OutOfMemoryError: PermGen space > > > > 2009-10-08 14:06:48.053::WARN: failed sessionhand...@11d1011a: > > > > java.lang.OutOfMemoryError: PermGen space > > > > 2009-10-08 14:06:48.053::WARN: failed > > > > org.mortbay.jetty.plugin.jetty6pluginwebappcont...@5dbb6a69{/,/home/ > > > > alex/dev/poc/src/main/webapp}: java.lang.OutOfMemoryError: PermGen > > > > space > > > > 2009-10-08 14:06:48.053::WARN: EXCEPTION > > > > java.lang.OutOfMemoryError: PermGen space > > > > Exception in thread "Timer-1" java.lang.OutOfMemoryError: PermGen > > > > space --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Lift" group. 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