I wonder if this is the same issue that was reported a few years ago, that we could never get to the bottom of: https://github.com/eclipse/jetty.project/issues/1425
Jan On Fri, 26 Jun 2020 at 15:06, Joakim Erdfelt <joa...@webtide.com> wrote: > Hot reload on Java has many pitfalls. > > Most of them come from WebApp ClassLoader Pinning. > Where a class being loaded from the WebApp is keeping a reference to the > WebApp ClassLoader, preventing it from being recycled. > > We have many LeakPreventers implemented that prevent the WebApp > ClassLoader Pinning, for the common JVM and Servlet/Java EE classes, but > there are still more in various other 3rd party libraries. > > See > https://www.eclipse.org/jetty/documentation/current/preventing-memory-leaks.html > > Give them a try, if it works out for you GREAT. > But if you still have this issue, then you'll have to figure out which > class is holding the reference to the WebAppClassLoader and perhaps > implement a LeakPreventere for it to let you have hot reload success. > > Joakim Erdfelt / joa...@webtide.com > > > On Fri, Jun 26, 2020 at 7:54 AM Kiao Desouzza <kiao.desou...@gmail.com> > wrote: > >> Hi, >> >> I am having an issue with file system quota tools not reporting correctly >> on the directory where jetty is deployed. After some investigation I think >> it's down to left over file descriptors like these (output from lsof): >> >> java 39467 sclient 5r REG 8,1 >> 134017 101365281 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/HikariCP-java7-2.4.13.jar >> (deleted) >> java 39467 sclient 5r REG 8,1 >> 134017 101365281 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/HikariCP-java7-2.4.13.jar >> (deleted) >> java 39467 sclient 45r REG 8,1 >> 69409 101365257 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/activation-1.1.1.jar >> (deleted) >> java 39467 sclient 46r REG 8,1 >> 267827 101365259 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/admin_2.13.jar >> (deleted) >> java 39467 sclient 47r REG 8,1 >> 499844 101365280 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/c3p0-0.9.5.4.jar >> (deleted) >> java 39467 sclient 48r REG 8,1 >> 246918 101365265 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/commons-beanutils-1.9.4.jar >> (deleted) >> java 39467 sclient 49r REG 8,1 >> 347669 101365260 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/commons-codec-1.14.jar >> (deleted) >> java 39467 sclient 50r REG 8,1 >> 588337 101365276 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/commons-collections-3.2.2.jar >> (deleted) >> java 39467 sclient 51r REG 8,1 >> 208475 101365250 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/commons-dbcp2-2.7.0.jar >> (deleted) >> java 39467 sclient 52r REG 8,1 >> 146108 101365282 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/commons-digester-1.8.1.jar >> (deleted) >> java 39467 sclient 53r REG 8,1 >> 214788 101365256 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/commons-io-2.6.jar >> (deleted) >> java 39467 sclient 54r REG 8,1 >> 61829 101365278 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/commons-logging-1.2.jar >> (deleted) >> java 39467 sclient 55r REG 8,1 >> 129592 101365268 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/commons-pool2-2.7.0.jar >> (deleted) >> java 39467 sclient 56r REG 8,1 >> 186077 102297951 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/commons-validator-1.6.jar >> (deleted) >> java 39467 sclient 57r REG 8,1 >> 580870 101365271 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/flyway-core-6.3.3.jar >> (deleted) >> java 39467 sclient 58r REG 8,1 >> 1586948 101365273 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/freemarker-2.3.29.jar >> (deleted) >> java 39467 sclient 59r REG 8,1 >> 80511 101365272 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/geny_2.13-0.6.0.jar >> (deleted) >> java 39467 sclient 60r REG 8,1 >> 219146 101365253 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/javax.mail-api-1.6.2.jar >> (deleted) >> java 39467 sclient 61r REG 8,1 >> 25464 101365283 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/jetty-continuation-9.4.28.v20200408.jar >> (deleted) >> java 39467 sclient 62r REG 8,1 >> 624036 101365275 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/mchange-commons-java-0.2.15.jar >> (deleted) >> java 39467 sclient 63r REG 8,1 >> 927447 101365252 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/postgresql-42.2.10.jar >> (deleted) >> java 39467 sclient 64r REG 8,1 >> 134017 1352185 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-17785782056536538882.dir/webapp/WEB-INF/lib/HikariCP-java7-2.4.13.jar >> (deleted) >> java 39467 sclient 65r REG 8,1 >> 4250 101365255 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/scala-collection-compat_2.13-2.1.6.jar >> (deleted) >> java 39467 sclient 66r REG 8,1 >> 5865349 101365264 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/scala-library-2.13.2.jar >> (deleted) >> java 39467 sclient 67r REG 8,1 >> 225338 101365277 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/scala-parser-combinators_2.13-1.1.2.jar >> (deleted) >> java 39467 sclient 68r REG 8,1 >> 129113 101365279 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/scalaj-http_2.13-2.4.2.jar >> (deleted) >> java 39467 sclient 69r REG 8,1 >> 3625052 101365254 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/scala-reflect-2.13.2.jar >> (deleted) >> java 39467 sclient 70r REG 8,1 >> 1801315 101365266 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/scalikejdbc-core_2.13-3.4.2.jar >> (deleted) >> java 39467 sclient 71r REG 8,1 >> 6504 102297938 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/scalikejdbc-interpolation-macro_2.13-3.4.2.jar >> (deleted) >> java 39467 sclient 72r REG 8,1 >> 201322 101365263 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/scalikejdbc-interpolation_2.13-3.4.2.jar >> (deleted) >> java 39467 sclient 73r REG 8,1 >> 19036 101365261 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/scalikejdbc_2.13-3.4.2.jar >> (deleted) >> java 39467 sclient 74r REG 8,1 >> 41472 101365274 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/slf4j-api-1.7.30.jar >> (deleted) >> java 39467 sclient 75r REG 8,1 >> 35063 101365284 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/stats_collector_2.13-0.1.0-SNAPSHOT.jar >> (deleted) >> java 39467 sclient 76r REG 8,1 >> 187761 101365270 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/ujson_2.13-1.1.0.jar >> (deleted) >> java 39467 sclient 77r REG 8,1 >> 114284 101365269 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-1577458225866104653.dir/webapp/WEB-INF/lib/upickle-core_2.13-1.1.0.jar >> (deleted) >> java 39467 sclient 94r REG 8,1 >> 69409 1220495 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-17785782056536538882.dir/webapp/WEB-INF/lib/activation-1.1.1.jar >> (deleted) >> java 39467 sclient 95r REG 8,1 >> 267827 1352165 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-17785782056536538882.dir/webapp/WEB-INF/lib/admin_2.13.jar >> (deleted) >> java 39467 sclient 96r REG 8,1 >> 499844 1352184 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-17785782056536538882.dir/webapp/WEB-INF/lib/c3p0-0.9.5.4.jar >> (deleted) >> java 39467 sclient 97r REG 8,1 >> 246918 1352170 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-17785782056536538882.dir/webapp/WEB-INF/lib/commons-beanutils-1.9.4.jar >> (deleted) >> java 39467 sclient 98r REG 8,1 >> 347669 1352166 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-17785782056536538882.dir/webapp/WEB-INF/lib/commons-codec-1.14.jar >> (deleted) >> java 39467 sclient 99r REG 8,1 >> 588337 1352180 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-17785782056536538882.dir/webapp/WEB-INF/lib/commons-collections-3.2.2.jar >> (deleted) >> java 39467 sclient 100r REG 8,1 >> 208475 957623 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-17785782056536538882.dir/webapp/WEB-INF/lib/commons-dbcp2-2.7.0.jar >> (deleted) >> java 39467 sclient 101r REG 8,1 >> 146108 1352186 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-17785782056536538882.dir/webapp/WEB-INF/lib/commons-digester-1.8.1.jar >> (deleted) >> java 39467 sclient 102r REG 8,1 >> 214788 1212954 >> /home/client/tmp/jetty-0_0_0_0-8443-root_war-_-any-17785782056536538882.dir/webapp/WEB-INF/lib/commons-io-2.6.jar >> (deleted) >> ... >> >> The file system tools(du) correctly report used disk space but file >> system quota is not seeing space being released after each update of >> deployed WAR file (used space grows). After I restart jetty file system >> quota is updated correctly. It's only JAR files from what I can tell so >> could it be related to the class loader in some way? >> >> FS is xfs on centos8 with pquota (project quota) >> >> I am using latest release 9.4.30.v20200611 >> >> Regards >> _______________________________________________ >> jetty-users mailing list >> jetty-users@eclipse.org >> To unsubscribe from this list, visit >> https://www.eclipse.org/mailman/listinfo/jetty-users >> > _______________________________________________ > jetty-users mailing list > jetty-users@eclipse.org > To unsubscribe from this list, visit > https://www.eclipse.org/mailman/listinfo/jetty-users > -- Jan Bartel <j...@webtide.com> www.webtide.com *Expert assistance from the creators of Jetty and CometD*
_______________________________________________ jetty-users mailing list jetty-users@eclipse.org To unsubscribe from this list, visit https://www.eclipse.org/mailman/listinfo/jetty-users
