[ https://issues.jboss.org/browse/JBIDE-13599?page=com.atlassian.jira.plugi... ] Nick Boldt commented on JBIDE-13599: ------------------------------------ 1. With nanohttpd server (above) still running, build Central from master {code} cd /home/nboldt/tru/jbosstools-central/ mvn clean install -DskipTests {code} 2. Add these URLs to Eclipse, and install the Central Community feature {code} http://download.jboss.org/jbosstools/updates/nightly/core/trunk/ /home/nboldt/tru/jbosstools-central/site/target/repository {code} {code} 3. Shut down eclipse completely 4. Edit eclipse.ini file adding these under the -vmargs line {code} -Djboss.discovery.directory.url=http://localhost:8080/discovery/core/org.jboss.tools.central.discovery/target/discovery-site/jbosstools-directory.xml -Djboss.discovery.site.url=http://localhost:8080/discovery/core/org.jboss.tools.central.discovery/target/discovery-site/ {code} 5. Start eclipse using -consolelog -debug Same problem: {code} !ENTRY org.eclipse.mylyn.discovery.core 4 0 2013-03-13 14:47:30.362 !MESSAGE org.jboss.tools.central.discovery_1.2.0.Alpha2-20130313-0625.jar_4413449892339815491.jar: Invalid connectorDescriptor/@siteUrl !STACK 1 org.eclipse.mylyn.internal.discovery.core.model.ValidationException: Invalid connectorDescriptor/@siteUrl at org.eclipse.mylyn.internal.discovery.core.model.ConnectorDescriptor.validate(ConnectorDescriptor.java:228) at org.eclipse.mylyn.internal.discovery.core.model.ConnectorDiscoveryExtensionReader.readConnectorDescriptor(ConnectorDiscoveryExtensionReader.java:112) at org.eclipse.mylyn.internal.discovery.core.model.BundleDiscoveryStrategy.processExtensions(BundleDiscoveryStrategy.java:72) at org.eclipse.mylyn.internal.discovery.core.model.RemoteBundleDiscoveryStrategy.performDiscovery(RemoteBundleDiscoveryStrategy.java:198) at org.eclipse.mylyn.internal.discovery.core.model.ConnectorDiscovery.performDiscovery(ConnectorDiscovery.java:115) at org.jboss.tools.central.editors.xpl.DiscoveryViewer$18.run(DiscoveryViewer.java:1510) at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121) !SUBENTRY 1 org.eclipse.mylyn.discovery.core 4 0 2013-03-13 14:47:30.362 !MESSAGE Invalid connectorDescriptor/@siteUrl {code} 6. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira