Ronaldo Campos [https://community.jboss.org/people/ronaldocwb] created the discussion "CDI Builder error while parse seam-beans.xml" To view the discussion, visit: https://community.jboss.org/message/725744#725744 -------------------------------------------------------------- I started haven trouble when I added to seam-beans.xml some additional config. My seam-beans.xml: <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"      xmlns:s="urn:java:ee"      xmlns:t="urn:java:org.jboss.seam.transaction"      xmlns:ft="urn:java:org.jboss.seam.faces.transaction"      xmlns:sc="urn:java:org.jboss.solder.core"      xsi:schemaLocation="       http://java.sun.com/xml/ns/javaee       http://docs.jboss.org/cdi/beans_1_0.xsd">            <t:SeSynchronizations>           <s:modifies />      </t:SeSynchronizations>           <t:EntityTransaction>           <s:modifies />      </t:EntityTransaction>           <sc:Veto>                     <s:Qualifier />           </sc:Veto>             <ft:TransactionPhaseListener>                     <s:replaces />                     <sc:Veto />           </ft:TransactionPhaseListener> </beans> The error: Errors occurred during the build. Errors running builder 'CDI (Context and Dependency Injection) Builder' on project 'VeereJSF'. java.lang.NullPointerException Eclipse log: !MESSAGE Errors running builder 'CDI (Context and Dependency Injection) Builder' on project 'VeereJSF'. !STACK 0 java.lang.NullPointerException           at org.jboss.tools.cdi.seam.config.core.ConfigDefinitionContext.addAnnotation(ConfigDefinitionContext.java:149)           at org.jboss.tools.cdi.seam.config.core.scanner.SeamDefinitionBuilder.scanAnnotation(SeamDefinitionBuilder.java:140)           at org.jboss.tools.cdi.seam.config.core.scanner.SeamDefinitionBuilder.scanElement(SeamDefinitionBuilder.java:101)           at org.jboss.tools.cdi.seam.config.core.scanner.SeamDefinitionBuilder.scanRoot(SeamDefinitionBuilder.java:85)           at org.jboss.tools.cdi.seam.config.core.scanner.SeamDefinitionBuilder.createDefinition(SeamDefinitionBuilder.java:75)           at org.jboss.tools.cdi.seam.config.core.CDISeamConfigExtension.buildDefinitions(CDISeamConfigExtension.java:147)           at org.jboss.tools.cdi.core.CDICoreBuilder.build(CDICoreBuilder.java:227)           at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:728)           at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)           at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:199)           at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:239)           at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:292)           at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)           at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:295)           at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:351)           at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:374)           at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:143)           at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:241)           at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) My app is running on Tomcat 7 normally, but CDI Builder keeps throwing this error and I havo no code completitions on my JSF pages. Is it a bug? -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/725744#725744] Start a new discussion in JBoss Tools at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]