use Import-Package instead of Require-Bundle for slf4j.api [hibernate] ---------------------------------------------------------------------- Key: JBIDE-23413 URL: https://issues.jboss.org/browse/JBIDE-23413 Project: Tools (JBoss Tools) Issue Type: Bug Components: hibernate, rpm Affects Versions: 4.4.2.AM2 Reporter: Nick Boldt Assignee: Koen Aers Priority: Blocker Fix For: 4.4.2.AM3 Attachments: hibernate-working-again-.png, org.hibernate.eclipse.unresolved.req.txt Because hibernate tools use Require-Bundle instead of Import-Package to depend on slf4j.api, this project cannot use the rhel implementation (rh-common-java rpm) version of slf4j.api 1.7.4 .jar when installed via rpm on rhel/fedora. Here's the line that is causing the problem: https://github.com/jbosstools/jbosstools-hibernate/blob/master/plugins/or... We need to switch to using Import-Package to that *any* implementation of this package, regardless of *Bundle-SymbolicName*, can be used. More info in JBDS-4136 See also: http://stackoverflow.com/questions/13959891/why-do-we-need-imported-packa... http://stackoverflow.com/questions/1865819/when-should-i-use-import-packa...