java.lang.NoClassDefFoundError: org/slf4j/spi/LocationAwareLogger

Apache's JIRA Issue Tracker | Hervé Boutemy | 2 years ago
  1. 0

    [jira] (MNG-5779) NoClassDefFoundError: org/slf4j/spi/LocationAwareLogger when generating javadoc during site reporting

    apache.org | 1 year ago
    java.lang.NoClassDefFoundError: org/slf4j/spi/LocationAwareLogger
  2. 0

    issue found while working on another topic: https://github.com/apache/maven/pull/32#issuecomment-76933957 when running m-site-p ITs, following issue happen with m-javadoc-p too (without failing the build): see full-reporting IT output log: {noformat}[INFO] Generating "JavaDocs" report --- maven-javadoc-plugin:2.9.1:javadoc [DEBUG] Trying to add links for dependencies... [WARNING] An issue has occurred with maven-javadoc-plugin:2.9.1:javadoc, skipping LinkageError org/slf4j/spi/LocationAwareLogger, please report an issue to Maven dev team. java.lang.NoClassDefFoundError: org/slf4j/spi/LocationAwareLogger at org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:156) at org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:131) at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:272) at org.apache.http.impl.conn.PoolingClientConnectionManager.<init>(PoolingClientConnectionManager.java:73) at org.apache.http.impl.conn.PoolingClientConnectionManager.<init>(PoolingClientConnectionManager.java:99) at org.apache.http.impl.conn.PoolingClientConnectionManager.<init>(PoolingClientConnectionManager.java:85) at org.apache.http.impl.conn.PoolingClientConnectionManager.<init>(PoolingClientConnectionManager.java:93) at org.apache.maven.plugin.javadoc.JavadocUtil.createHttpClient(JavadocUtil.java:1811) at org.apache.maven.plugin.javadoc.JavadocUtil.isValidPackageList(JavadocUtil.java:1704) at org.apache.maven.plugin.javadoc.AbstractJavadocMojo.isValidJavadocLink(AbstractJavadocMojo.java:5638) at org.apache.maven.plugin.javadoc.AbstractJavadocMojo.getDependenciesLinks(AbstractJavadocMojo.java:5480) at org.apache.maven.plugin.javadoc.AbstractJavadocMojo.collectLinks(AbstractJavadocMojo.java:2960) at org.apache.maven.plugin.javadoc.AbstractJavadocMojo.addLinkArguments(AbstractJavadocMojo.java:3921) at org.apache.maven.plugin.javadoc.AbstractJavadocMojo.addStandardDocletOptions(AbstractJavadocMojo.java:4676) at org.apache.maven.plugin.javadoc.AbstractJavadocMojo.executeReport(AbstractJavadocMojo.java:1954) at org.apache.maven.plugin.javadoc.JavadocReport.generate(JavadocReport.java:130) at org.apache.maven.plugins.site.render.ReportDocumentRenderer.renderDocument(ReportDocumentRenderer.java:236) at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.renderModule(DefaultSiteRenderer.java:311) at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.render(DefaultSiteRenderer.java:129) at org.apache.maven.plugins.site.render.SiteMojo.renderLocale(SiteMojo.java:182) at org.apache.maven.plugins.site.render.SiteMojo.execute(SiteMojo.java:141) at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80) at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51) at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106) at org.apache.maven.cli.MavenCli.execute(MavenCli.java:851) at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:275) at org.apache.maven.cli.MavenCli.main(MavenCli.java:186) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289) at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229) at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415) at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356) Caused by: java.lang.ClassNotFoundException: org.slf4j.spi.LocationAwareLogger at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:50) at org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:271) at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:247) at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:239) ... 43 more{noformat}

    Apache's JIRA Issue Tracker | 2 years ago | Hervé Boutemy
    java.lang.NoClassDefFoundError: org/slf4j/spi/LocationAwareLogger
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  4. 0

    issue found while working on another topic: https://github.com/apache/maven/pull/32#issuecomment-76933957 when running m-site-p ITs, following issue happen with m-javadoc-p too (without failing the build): see full-reporting IT output log: {noformat}[INFO] Generating "JavaDocs" report --- maven-javadoc-plugin:2.9.1:javadoc [DEBUG] Trying to add links for dependencies... [WARNING] An issue has occurred with maven-javadoc-plugin:2.9.1:javadoc, skipping LinkageError org/slf4j/spi/LocationAwareLogger, please report an issue to Maven dev team. java.lang.NoClassDefFoundError: org/slf4j/spi/LocationAwareLogger at org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:156) at org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:131) at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:272) at org.apache.http.impl.conn.PoolingClientConnectionManager.<init>(PoolingClientConnectionManager.java:73) at org.apache.http.impl.conn.PoolingClientConnectionManager.<init>(PoolingClientConnectionManager.java:99) at org.apache.http.impl.conn.PoolingClientConnectionManager.<init>(PoolingClientConnectionManager.java:85) at org.apache.http.impl.conn.PoolingClientConnectionManager.<init>(PoolingClientConnectionManager.java:93) at org.apache.maven.plugin.javadoc.JavadocUtil.createHttpClient(JavadocUtil.java:1811) at org.apache.maven.plugin.javadoc.JavadocUtil.isValidPackageList(JavadocUtil.java:1704) at org.apache.maven.plugin.javadoc.AbstractJavadocMojo.isValidJavadocLink(AbstractJavadocMojo.java:5638) at org.apache.maven.plugin.javadoc.AbstractJavadocMojo.getDependenciesLinks(AbstractJavadocMojo.java:5480) at org.apache.maven.plugin.javadoc.AbstractJavadocMojo.collectLinks(AbstractJavadocMojo.java:2960) at org.apache.maven.plugin.javadoc.AbstractJavadocMojo.addLinkArguments(AbstractJavadocMojo.java:3921) at org.apache.maven.plugin.javadoc.AbstractJavadocMojo.addStandardDocletOptions(AbstractJavadocMojo.java:4676) at org.apache.maven.plugin.javadoc.AbstractJavadocMojo.executeReport(AbstractJavadocMojo.java:1954) at org.apache.maven.plugin.javadoc.JavadocReport.generate(JavadocReport.java:130) at org.apache.maven.plugins.site.render.ReportDocumentRenderer.renderDocument(ReportDocumentRenderer.java:236) at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.renderModule(DefaultSiteRenderer.java:311) at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.render(DefaultSiteRenderer.java:129) at org.apache.maven.plugins.site.render.SiteMojo.renderLocale(SiteMojo.java:182) at org.apache.maven.plugins.site.render.SiteMojo.execute(SiteMojo.java:141) at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80) at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51) at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106) at org.apache.maven.cli.MavenCli.execute(MavenCli.java:851) at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:275) at org.apache.maven.cli.MavenCli.main(MavenCli.java:186) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289) at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229) at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415) at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356) Caused by: java.lang.ClassNotFoundException: org.slf4j.spi.LocationAwareLogger at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:50) at org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:271) at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:247) at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:239) ... 43 more{noformat}

    Apache's JIRA Issue Tracker | 2 years ago | Hervé Boutemy
    java.lang.NoClassDefFoundError: org/slf4j/spi/LocationAwareLogger
  5. 0

    Maven - Issues - [Commented] (MNG-5842) java.lang.NoClassDefFoundError: org/slf4j/helpers/MessageFormatter with jetty plugin

    nabble.com | 1 year ago
    java.lang.ClassNotFoundException: org.slf4j.helpers.MessageFormatter

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Root Cause Analysis

  1. java.lang.ClassNotFoundException

    org.slf4j.spi.LocationAwareLogger

    at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass()
  2. Plexus
    ClassRealm.loadClass
    1. org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:50)
    2. org.codehaus.plexus.classworlds.realm.ClassRealm.unsynchronizedLoadClass(ClassRealm.java:271)
    3. org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:247)
    4. org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:239)
    4 frames