Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id BA5F5200D50 for ; Mon, 4 Dec 2017 19:54:09 +0100 (CET) Received: by cust-asf.ponee.io (Postfix) id B8DFC160BF9; Mon, 4 Dec 2017 18:54:09 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id D5B8B160BF7 for ; Mon, 4 Dec 2017 19:54:08 +0100 (CET) Received: (qmail 65580 invoked by uid 500); 4 Dec 2017 18:54:08 -0000 Mailing-List: contact issues-help@maven.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@maven.apache.org Delivered-To: mailing list issues@maven.apache.org Received: (qmail 65569 invoked by uid 99); 4 Dec 2017 18:54:08 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd3-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 04 Dec 2017 18:54:07 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd3-us-west.apache.org (ASF Mail Server at spamd3-us-west.apache.org) with ESMTP id 36CD81805BF for ; Mon, 4 Dec 2017 18:54:07 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -99.202 X-Spam-Level: X-Spam-Status: No, score=-99.202 tagged_above=-999 required=6.31 tests=[KAM_ASCII_DIVIDERS=0.8, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, USER_IN_WHITELIST=-100] autolearn=disabled Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id ivTlpo5BxWAq for ; Mon, 4 Dec 2017 18:54:03 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTP id 6211B5FB98 for ; Mon, 4 Dec 2017 18:54:03 +0000 (UTC) Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id 740FCE0EF6 for ; Mon, 4 Dec 2017 18:54:02 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id 29F94255C8 for ; Mon, 4 Dec 2017 18:54:01 +0000 (UTC) Date: Mon, 4 Dec 2017 18:54:01 +0000 (UTC) From: "ASF GitHub Bot (JIRA)" To: issues@maven.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (MNG-5842) java.lang.NoClassDefFoundError: org/slf4j/helpers/MessageFormatter with jetty plugin MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Mon, 04 Dec 2017 18:54:09 -0000 [ https://issues.apache.org/jira/browse/MNG-5842?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16277257#comment-16277257 ] ASF GitHub Bot commented on MNG-5842: ------------------------------------- GitHub user dconneely opened a pull request: https://github.com/apache/maven/pull/140 Add org.slf4j.event to exported packages maven-core should export org.slf4j.event.* from slf4j-api 1.7.15 or later. For example, this package is where the `Level` class is located. Otherwise, issues similar to MNG-5842 and MNG-5845 will arise with plugins that use Slf4j themselves (or more likely plugins that use libraries that use Slf4j). Discovered while working on in-house Maven plugin that failed with `java.lang.NoClassDefFoundError: org/slf4j/event/Level`. You can merge this pull request into a Git repository by running: $ git pull https://github.com/dconneely/maven patch-1 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/maven/pull/140.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #140 ---- commit 34bb114b7dbd80380e3d10c6dcffcf08e1ffaf50 Author: David Conneely Date: 2017-12-04T18:42:18Z Add org.slf4j.event to exported packages maven-core should export org.slf4j.event.* from slf4j-api 1.7.15 or later. For example, this package is where the `Level` class is located. ---- > java.lang.NoClassDefFoundError: org/slf4j/helpers/MessageFormatter with jetty plugin > ------------------------------------------------------------------------------------ > > Key: MNG-5842 > URL: https://issues.apache.org/jira/browse/MNG-5842 > Project: Maven > Issue Type: Bug > Components: Class Loading > Affects Versions: 3.3.1, 3.3.3 > Reporter: Jean-Christophe Gay > Assignee: Arnaud HERITIER > > When Maven is used with a different SLF4J implementation than slf4j-simple (in my case logback to have colored logs), running jetty-maven-plugin fails. > {code} > Apache Maven 3.3.3 (7994120775791599e205a5524ec3e0dfe41d4a06; 2015-04-22T13:57:37+02:00) > Maven home: /usr/local/Cellar/maven/3.3.3/libexec > Java version: 1.8.0_40, vendor: Oracle Corporation > Java home: /Library/Java/JavaVirtualMachines/jdk1.8.0_40.jdk/Contents/Home/jre > Default locale: fr_FR, platform encoding: UTF-8 > OS name: "mac os x", version: "10.10.3", arch: "x86_64", family: "mac" > {code} > {code} > [WARNING] FAILED org.mortbay.jetty.plugin.JettyServer@66c4005: java.lang.NoClassDefFoundError: org/slf4j/helpers/MessageFormatter > java.lang.ClassNotFoundException: org.slf4j.helpers.MessageFormatter > at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:50) ~[plexus-classworlds-2.5.2.jar:na] > at org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:271) ~[plexus-classworlds-2.5.2.jar:na] > at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:247) ~[plexus-classworlds-2.5.2.jar:na] > at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:239) ~[plexus-classworlds-2.5.2.jar:na] > ... 21 common frames omitted > Wrapped by: java.lang.NoClassDefFoundError: org/slf4j/helpers/MessageFormatter > at org.eclipse.jetty.util.log.JettyAwareLogger.log(JettyAwareLogger.java:619) ~[jetty-util-7.6.16.v20140903.jar:7.6.16.v20140903] > at org.eclipse.jetty.util.log.JettyAwareLogger.info(JettyAwareLogger.java:314) ~[jetty-util-7.6.16.v20140903.jar:7.6.16.v20140903] > at org.eclipse.jetty.util.log.Slf4jLog.info(Slf4jLog.java:74) ~[jetty-util-7.6.16.v20140903.jar:7.6.16.v20140903] > at org.eclipse.jetty.server.Server.doStart(Server.java:271) ~[jetty-server-7.6.16.v20140903.jar:7.6.16.v20140903] > at org.mortbay.jetty.plugin.JettyServer.doStart(JettyServer.java:65) ~[jetty-maven-plugin-7.6.16.v20140903.jar:7.6.16.v20140903] > at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64) ~[jetty-util-7.6.16.v20140903.jar:7.6.16.v20140903] > at org.mortbay.jetty.plugin.AbstractJettyMojo.startJetty(AbstractJettyMojo.java:520) [jetty-maven-plugin-7.6.16.v20140903.jar:7.6.16.v20140903] > at org.mortbay.jetty.plugin.AbstractJettyMojo.execute(AbstractJettyMojo.java:365) [jetty-maven-plugin-7.6.16.v20140903.jar:7.6.16.v20140903] > at org.mortbay.jetty.plugin.JettyRunMojo.execute(JettyRunMojo.java:521) [jetty-maven-plugin-7.6.16.v20140903.jar:7.6.16.v20140903] > at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134) [maven-core-3.3.1.jar:3.3.1] > at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208) [maven-core-3.3.1.jar:3.3.1] > at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153) [maven-core-3.3.1.jar:3.3.1] > at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145) [maven-core-3.3.1.jar:3.3.1] > at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116) [maven-core-3.3.1.jar:3.3.1] > at io.takari.maven.builder.smart.SmartBuilderImpl.buildProject(SmartBuilderImpl.java:275) [takari-smart-builder-0.4.0.jar:0.4.0] > at io.takari.maven.builder.smart.SmartBuilderImpl$ProjectBuildTask.run(SmartBuilderImpl.java:101) [takari-smart-builder-0.4.0.jar:0.4.0] > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_40] > at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_40] > at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_40] > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_40] > at java.lang.Thread.run(Thread.java:745) [na:1.8.0_40] > java.lang.NoClassDefFoundError: org/slf4j/helpers/MessageFormatter > at org.eclipse.jetty.util.log.JettyAwareLogger.log(JettyAwareLogger.java:619) ~[jetty-util-7.6.16.v20140903.jar:7.6.16.v20140903] > at org.eclipse.jetty.util.log.JettyAwareLogger.info(JettyAwareLogger.java:314) ~[jetty-util-7.6.16.v20140903.jar:7.6.16.v20140903] > at org.eclipse.jetty.util.log.Slf4jLog.info(Slf4jLog.java:74) ~[jetty-util-7.6.16.v20140903.jar:7.6.16.v20140903] > at org.eclipse.jetty.server.Server.doStart(Server.java:271) ~[jetty-server-7.6.16.v20140903.jar:7.6.16.v20140903] > at org.mortbay.jetty.plugin.JettyServer.doStart(JettyServer.java:65) ~[jetty-maven-plugin-7.6.16.v20140903.jar:7.6.16.v20140903] > at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64) ~[jetty-util-7.6.16.v20140903.jar:7.6.16.v20140903] > at org.mortbay.jetty.plugin.AbstractJettyMojo.startJetty(AbstractJettyMojo.java:520) [jetty-maven-plugin-7.6.16.v20140903.jar:7.6.16.v20140903] > at org.mortbay.jetty.plugin.AbstractJettyMojo.execute(AbstractJettyMojo.java:365) [jetty-maven-plugin-7.6.16.v20140903.jar:7.6.16.v20140903] > at org.mortbay.jetty.plugin.JettyRunMojo.execute(JettyRunMojo.java:521) [jetty-maven-plugin-7.6.16.v20140903.jar:7.6.16.v20140903] > at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134) [maven-core-3.3.1.jar:3.3.1] > at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208) [maven-core-3.3.1.jar:3.3.1] > at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153) [maven-core-3.3.1.jar:3.3.1] > at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145) [maven-core-3.3.1.jar:3.3.1] > at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116) [maven-core-3.3.1.jar:3.3.1] > at io.takari.maven.builder.smart.SmartBuilderImpl.buildProject(SmartBuilderImpl.java:275) [takari-smart-builder-0.4.0.jar:0.4.0] > at io.takari.maven.builder.smart.SmartBuilderImpl$ProjectBuildTask.run(SmartBuilderImpl.java:101) [takari-smart-builder-0.4.0.jar:0.4.0] > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_40] > at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_40] > at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_40] > at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_40] > at java.lang.Thread.run(Thread.java:745) [na:1.8.0_40] > Caused by: java.lang.ClassNotFoundException: org.slf4j.helpers.MessageFormatter > at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:50) ~[plexus-classworlds-2.5.2.jar:na] > at org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:271) ~[plexus-classworlds-2.5.2.jar:na] > at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:247) ~[plexus-classworlds-2.5.2.jar:na] > at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:239) ~[plexus-classworlds-2.5.2.jar:na] > ... 21 common frames omitted > [INFO] Jetty server exiting. > [INFO] ------------------------------------------------------------------------ > [INFO] BUILD FAILURE > [INFO] ------------------------------------------------------------------------ > [INFO] Total time: 1.001 s (Wall Clock) > [INFO] Finished at: 2015-06-15T13:05:18+02:00 > [INFO] Final Memory: 17M/206M > [INFO] ------------------------------------------------------------------------ > [ERROR] Failed to execute goal org.mortbay.jetty:jetty-maven-plugin:7.6.16.v20140903:run (default-cli) on project example-webapp: Execution default-cli of goal org.mortbay.jetty:jetty-maven-plugin:7.6.16.v20140903:run failed: A required class was missing while executing org.mortbay.jetty:jetty-maven-plugin:7.6.16.v20140903:run: org/slf4j/helpers/MessageFormatter > [ERROR] ----------------------------------------------------- > [ERROR] realm = plugin>org.mortbay.jetty:jetty-maven-plugin:7.6.16.v20140903 > [ERROR] strategy = org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy > [ERROR] urls[0] = file:/Users/jcgay/.m2/repository/org/mortbay/jetty/jetty-maven-plugin/7.6.16.v20140903/jetty-maven-plugin-7.6.16.v20140903.jar > [ERROR] urls[1] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/jetty-util/7.6.16.v20140903/jetty-util-7.6.16.v20140903.jar > [ERROR] urls[2] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/jetty-webapp/7.6.16.v20140903/jetty-webapp-7.6.16.v20140903.jar > [ERROR] urls[3] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/jetty-xml/7.6.16.v20140903/jetty-xml-7.6.16.v20140903.jar > [ERROR] urls[4] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/jetty-servlet/7.6.16.v20140903/jetty-servlet-7.6.16.v20140903.jar > [ERROR] urls[5] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/jetty-security/7.6.16.v20140903/jetty-security-7.6.16.v20140903.jar > [ERROR] urls[6] = file:/Users/jcgay/.m2/repository/org/sonatype/sisu/sisu-inject-bean/2.1.1/sisu-inject-bean-2.1.1.jar > [ERROR] urls[7] = file:/Users/jcgay/.m2/repository/org/sonatype/sisu/sisu-guice/2.9.4/sisu-guice-2.9.4-no_aop.jar > [ERROR] urls[8] = file:/Users/jcgay/.m2/repository/org/codehaus/plexus/plexus-utils/2.0.6/plexus-utils-2.0.6.jar > [ERROR] urls[9] = file:/Users/jcgay/.m2/repository/org/sonatype/aether/aether-util/1.11/aether-util-1.11.jar > [ERROR] urls[10] = file:/Users/jcgay/.m2/repository/org/codehaus/plexus/plexus-interpolation/1.14/plexus-interpolation-1.14.jar > [ERROR] urls[11] = file:/Users/jcgay/.m2/repository/org/codehaus/plexus/plexus-component-annotations/1.5.5/plexus-component-annotations-1.5.5.jar > [ERROR] urls[12] = file:/Users/jcgay/.m2/repository/org/sonatype/plexus/plexus-sec-dispatcher/1.3/plexus-sec-dispatcher-1.3.jar > [ERROR] urls[13] = file:/Users/jcgay/.m2/repository/org/sonatype/plexus/plexus-cipher/1.4/plexus-cipher-1.4.jar > [ERROR] urls[14] = file:/Users/jcgay/.m2/repository/org/apache/maven/plugin-tools/maven-plugin-tools-api/2.9/maven-plugin-tools-api-2.9.jar > [ERROR] urls[15] = file:/Users/jcgay/.m2/repository/org/apache/maven/reporting/maven-reporting-api/2.0.6/maven-reporting-api-2.0.6.jar > [ERROR] urls[16] = file:/Users/jcgay/.m2/repository/org/apache/maven/doxia/doxia-sink-api/1.0-alpha-7/doxia-sink-api-1.0-alpha-7.jar > [ERROR] urls[17] = file:/Users/jcgay/.m2/repository/junit/junit/3.8.1/junit-3.8.1.jar > [ERROR] urls[18] = file:/Users/jcgay/.m2/repository/net/sf/jtidy/jtidy/r938/jtidy-r938.jar > [ERROR] urls[19] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/jetty-plus/7.6.16.v20140903/jetty-plus-7.6.16.v20140903.jar > [ERROR] urls[20] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/orbit/javax.transaction/1.1.1.v201105210645/javax.transaction-1.1.1.v201105210645.jar > [ERROR] urls[21] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/jetty-jndi/7.6.16.v20140903/jetty-jndi-7.6.16.v20140903.jar > [ERROR] urls[22] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/jetty-server/7.6.16.v20140903/jetty-server-7.6.16.v20140903.jar > [ERROR] urls[23] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/orbit/javax.servlet/2.5.0.v201103041518/javax.servlet-2.5.0.v201103041518.jar > [ERROR] urls[24] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/jetty-continuation/7.6.16.v20140903/jetty-continuation-7.6.16.v20140903.jar > [ERROR] urls[25] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/orbit/javax.mail.glassfish/1.4.1.v201005082020/javax.mail.glassfish-1.4.1.v201005082020.jar > [ERROR] urls[26] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/orbit/javax.activation/1.1.0.v201105071233/javax.activation-1.1.0.v201105071233.jar > [ERROR] urls[27] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/jetty-jmx/7.6.16.v20140903/jetty-jmx-7.6.16.v20140903.jar > [ERROR] urls[28] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/jetty-annotations/7.6.16.v20140903/jetty-annotations-7.6.16.v20140903.jar > [ERROR] urls[29] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/orbit/javax.annotation/1.1.0.v201108011116/javax.annotation-1.1.0.v201108011116.jar > [ERROR] urls[30] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/orbit/org.objectweb.asm/3.1.0.v200803061910/org.objectweb.asm-3.1.0.v200803061910.jar > [ERROR] urls[31] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/jetty-websocket/7.6.16.v20140903/jetty-websocket-7.6.16.v20140903.jar > [ERROR] urls[32] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/jetty-io/7.6.16.v20140903/jetty-io-7.6.16.v20140903.jar > [ERROR] urls[33] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/jetty-http/7.6.16.v20140903/jetty-http-7.6.16.v20140903.jar > [ERROR] urls[34] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/jetty-jsp/7.6.16.v20140903/jetty-jsp-7.6.16.v20140903.jar > [ERROR] urls[35] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/orbit/javax.servlet.jsp/2.1.0.v201105211820/javax.servlet.jsp-2.1.0.v201105211820.jar > [ERROR] urls[36] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/orbit/org.apache.jasper.glassfish/2.1.0.v201110031002/org.apache.jasper.glassfish-2.1.0.v201110031002.jar > [ERROR] urls[37] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/orbit/javax.servlet.jsp.jstl/1.2.0.v201105211821/javax.servlet.jsp.jstl-1.2.0.v201105211821.jar > [ERROR] urls[38] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/orbit/org.apache.taglibs.standard.glassfish/1.2.0.v201112081803/org.apache.taglibs.standard.glassfish-1.2.0.v201112081803.jar > [ERROR] urls[39] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/orbit/javax.el/2.1.0.v201105211819/javax.el-2.1.0.v201105211819.jar > [ERROR] urls[40] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/orbit/com.sun.el/1.0.0.v201105211818/com.sun.el-1.0.0.v201105211818.jar > [ERROR] urls[41] = file:/Users/jcgay/.m2/repository/org/eclipse/jetty/orbit/org.eclipse.jdt.core/3.7.1/org.eclipse.jdt.core-3.7.1.jar > [ERROR] Number of foreign imports: 1 > [ERROR] import: Entry[import from realm ClassRealm[project>fr.jcgay.server-notifier:example-webapp:0.2-SNAPSHOT, parent: ClassRealm[maven.api, parent: null]]] > [ERROR] > [ERROR] -----------------------------------------------------: org.slf4j.helpers.MessageFormatter > {code} > I reproduced the error with Maven 3.3.1, 3.3.3 and latest jetty plugin versions: > {code:xml} > > org.mortbay.jetty > jetty-maven-plugin > 7.6.16.v20140903 > > > > org.mortbay.jetty > jetty-maven-plugin > 8.1.16.v20140903 > > > > org.eclipse.jetty > jetty-maven-plugin > 9.3.0.RC1 > > {code} > It works perfectly fine with Maven 3.2.5. > I assume that the problem is not limited to the jetty plugin but to any plugin using slf4j-api classes from packages different than org.slf4j.* and org.slf4j.spi (exposed in extension.xml). > I have tried running jetty with a patched maven-core.jar (adding org.slf4j.helpers.* into META-INF/maven/extension.xml) and it runs fine. -- This message was sent by Atlassian JIRA (v6.4.14#64029)