Github user ChristianSchulte commented on the pull request: https://github.com/apache/maven/pull/32#issuecomment-76933957 What's the state of the current head as of today ? I just wanted to test the cobertura plugin but cannot build the site with Maven 3.2.6-SNAPSHOT due to the following exception. That's happening with a released project known to work. So `mvn site -e` with Maven 3.2.5 succeeds whereas 3.2.6-SNAPSHOT fails. ``` [ERROR] Failed to execute goal org.apache.maven.plugins:maven-site-plugin:3.4:site (default-site) on project jomc-parent: Execution default-site of goal org.apache.maven.plugins:maven-site-plugin:3.4:site failed: A required class was missing while executing org.apache.maven.plugins:maven-site-plugin:3.4:site: org/slf4j/spi/LocationAwareLogger ``` ``` Caused by: java.lang.NoClassDefFoundError: org/slf4j/spi/LocationAwareLogger at org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:157) at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:289) at org.apache.commons.digester.Digester.<init>(Digester.java:308) at org.apache.velocity.tools.config.XmlFactoryConfiguration.read(XmlFactoryConfiguration.java:117) at org.apache.velocity.tools.config.FileFactoryConfiguration.read(FileFactoryConfiguration.java:140) at org.apache.velocity.tools.config.FileFactoryConfiguration.read(FileFactoryConfiguration.java:116) at org.apache.velocity.tools.config.FileFactoryConfiguration.read(FileFactoryConfiguration.java:91) at org.apache.velocity.tools.config.FileFactoryConfiguration.read(FileFactoryConfiguration.java:69) at org.apache.velocity.tools.config.FileFactoryConfiguration.read(FileFactoryConfiguration.java:59) at org.apache.velocity.tools.config.ConfigurationUtils.getDefaultTools(ConfigurationUtils.java:79) at org.apache.velocity.tools.config.ConfigurationUtils.getAutoLoaded(ConfigurationUtils.java:176) at org.apache.velocity.tools.ToolManager.autoConfigure(ToolManager.java:74) at org.apache.velocity.tools.ToolManager.<init>(ToolManager.java:68) at org.apache.velocity.tools.ToolManager.<init>(ToolManager.java:59) at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.createVelocityContext(DefaultSiteRenderer.java:427) at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.generateDocument(DefaultSiteRenderer.java:565) at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.renderDocument(DefaultSiteRenderer.java:422) at org.apache.maven.doxia.siterenderer.DoxiaDocumentRenderer.renderDocument(DoxiaDocumentRenderer.java:51) 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.renderDoxiaDocuments(SiteMojo.java:261) at org.apache.maven.plugins.site.render.SiteMojo.renderLocale(SiteMojo.java:172) at org.apache.maven.plugins.site.render.SiteMojo.execute(SiteMojo.java:141) at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:132) ... 21 more 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) ... 45 more ```
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