Sigh! Unfortunately, it took a bit longer (a few days), but sure enough, the thread thrashing returned.
I've thus had to switch entirely to blocking IO (type=3 for Jetty). I'll keep you posted, and will also update the Tigris issue. -Tal On 08/11/2009 03:01 AM, Thierry Boileau wrote: > Hi Tal, > > thanks a lot for your work, it is very valuable for the community! > I've entered an issue for this problem: > http://restlet.tigris.org/issues/show_bug.cgi?id=871 > > Best regards, > Thierry Boileau > >> I have new information about this bug, and a workaround. >> >> So, this is a known and multi-year issue with java.nio in Java 6 on Linux >> that has affected many nio projects, including Grizzly, Jetty and Netty. >> It's been fixed only relatively recently for Java 7 and recent builds of >> Java 6. Major Linux distributions do not include this fix. >> >> Here are just a few links to get you hot and bothered: >> >> * http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6403933 >> * http://forums.sun.com/thread.jspa?threadID=5135128 >> * http://jira.codehaus.org/browse/JETTY-937 >> * https://issues.apache.org/jira/browse/DIRMINA-678 >> >> The Grizzly project has employed a workaround. Unfortunately, it is only >> available for Grizzly 2.0, which Restlet doesn't support as of yet. >> >> One solution for Restlet is to switch somehow to a latest version of Java in >> which the nio bug is fixed. >> >> If this impossible, a reasonable workaround is to use the Jetty connector >> with the blocking NIO connector instead of the default non-blocking NIO >> connector. You may lose some scalability in doing so, making this an >> unreasonable workaround for your application. Test to make sure. >> >> To do this, use the Jetty extension and set the "type" parameter to 2. >> Pseudo-code: >> >> Server server = myComponent.getServers().add(Protocol.HTTPS, 8183); >> server.getContext().getParameters().add("type", 2); >> >> Relevant links: >> >> http://www.restlet.org/documentation/1.1/ext/com/noelios/restlet/ext/jetty/HttpServerHelper >> >> http://wiki.restlet.org/docs_2.0/13-restlet/28-restlet/78-restlet.html >> >> -Tal >> >> ------------------------------------------------------ >> http://restlet.tigris.org/ds/viewMessage.do?dsForumId=4447&dsMessageId=2382228 >> >> >> > ------------------------------------------------------ > http://restlet.tigris.org/ds/viewMessage.do?dsForumId=4447&dsMessageId=2382355 > ------------------------------------------------------ http://restlet.tigris.org/ds/viewMessage.do?dsForumId=4447&dsMessageId=2382766
