After I removed all invocations of docbook-support (in several build.xml files) I faced another error and I am afraid that I need your help urgently. Here is the ant stacktrace. Thank you for help. Regards Milan prepare.workspace: [mkdir] Created dir: D:\work\java\jbpm.3\designer\jpdl\org.jbpm.gd.jpdl.build\target\workspace\features [mkdir] Created dir: D:\work\java\jbpm.3\designer\jpdl\org.jbpm.gd.jpdl.build\target\workspace\plugins [copy] Copying 4 files to D:\work\java\jbpm.3\designer\jpdl\org.jbpm.gd.jpdl.build\target\workspace\features\org.jbpm.gd.jpdl.feature [copy] Copying 85 files to D:\work\java\jbpm.3\designer\jpdl\org.jbpm.gd.jpdl.build\target\workspace\plugins\org.jbpm.gd.jpdl.core [copy] Copying 265 files to D:\work\java\jbpm.3\designer\jpdl\org.jbpm.gd.jpdl.build\target\workspace\plugins\org.jbpm.gd.jpdl.ui [copy] Copying 7 files to D:\work\java\jbpm.3\designer\jpdl\org.jbpm.gd.jpdl.build\target\workspace\plugins\org.jbpm.gd.jpdl.help run-eclipse-plugin-builder: [java] Buildfile: mainTargets.xml [java] main: [java] preBuild: [java] preSetup: [java] [echo] doing preSetup [java] getMapFiles: [java] [echo] doing getMapFiles [java] [copy] Copying 1 file to D:\work\java\jbpm.3\designer\jpdl\org.jbpm.gd.jpdl.build\target\workspace\maps [java] postSetup: [java] [echo] doing postSetup [java] fetch: [java] generate: [java] preGenerate: [java] [echo] doing preGenerate [java] [echo] baseLocation is d:/work/java/jbpm.3/eclipse [java] allElements: [java] init: [java] generateScript: [java] [eclipse.buildScript] Some inter-plug-in dependencies have not been satisfied. [java] [eclipse.buildScript] Bundle org.jbpm.gd.jpdl.core: [java] [eclipse.buildScript] Missing required plug-in org.eclipse.wst.xml.core_0.0.0. [java] [eclipse.buildScript] Missing required plug-in org.eclipse.wst.sse.core_0.0.0. [java] [eclipse.buildScript] Bundle org.jbpm.gd.jpdl.ui: [java] [eclipse.buildScript] Missing required plug-in org.eclipse.draw2d_0.0.0. [java] [eclipse.buildScript] Missing required plug-in org.eclipse.gef_0.0.0. [java] BUILD FAILED [java] [eclipse.buildScript] Missing required plug-in org.eclipse.wst.sse.core_0.0.0. [java] D:\work\java\jbpm.3\designer\jpdl\org.jbpm.gd.jpdl.build\mainTargets.xml:23: The following error occurred while executing this l ine: [java] [eclipse.buildScript] Missing required plug-in org.eclipse.wst.xml.core_0.0.0. [java] D:\work\java\jbpm.3\designer\jpdl\org.jbpm.gd.jpdl.build\mainTargets.xml:63: The following error occurred while executing this l ine: [java] D:\work\java\jbpm.3\designer\jpdl\org.jbpm.gd.jpdl.build\customTargets.xml:8: The following error occurred while executing this line: [java] D:\work\java\jbpm.3\designer\jpdl\org.jbpm.gd.jpdl.build\genericTargets.xml:63: Unable to find plug-in: org.jbpm.gd.jpdl.ui_0.0. 0. Please check the error log for more details. [java] [eclipse.buildScript] Missing required plug-in org.eclipse.wst.xml.ui_0.0.0. [java] [eclipse.buildScript] Missing required plug-in org.eclipse.wst.sse.ui_0.0.0. [java] Total time: 1 second [java] [eclipse.buildScript] Missing required plug-in org.eclipse.wst.common.ui_0.0.0. [java] [eclipse.buildScript] Missing required plug-in org.jbpm.gd.jpdl.core_0.0.0. [java] Java Result: 13 create.manifest: [mkdir] Created dir: D:\work\java\jbpm.3\designer\jpdl\org.jbpm.gd.jpdl.build\target\manifest move-feature: BUILD FAILED D:\work\java\jbpm.3\build\build.xml:59: The following error occurred while executing this line: D:\work\java\jbpm.3\designer\jpdl\org.jbpm.gd.jpdl.build\build.xml:60: The following error occurred while executing this line: D:\work\java\jbpm.3\designer\jpdl\org.jbpm.gd.jpdl.build\build.xml:191: Warning: Could not find file D:\work\java\jbpm.3\designer\jpdl\org.j bpm.gd.jpdl.build\target\workspace\N.3.0.12-SNAPSHOT\org.jbpm.gd.jpdl.feature-3.0.12-SNAPSHOT.zip to copy. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3979138#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...