I ran into a similar issue today and found that this question also has recently been asked and answered at the atlassian forum as well. My solution was to install slf4j based on guidelines from this blog post about “SLF4J Logging in Eclipse Plugins”. To extract, here is what I did: Eclipse -> Help -> … Read more
I encountered the same issue after updating the maven-jar-plugin to its latest version (at the time of writing), 3.0.2. Eclipse 4.5.2 started flagging the pom.xml file with the org.apache.maven.archiver.MavenArchiver.getManifest error and a Maven > Update Project.. would not fix it. Easy solution: downgrade to 2.6 version Indeed a possible solution is to get back to … Read more