f you want to use Weld in Java SE, don't use this Maven dependency: <dependency> <groupId>org.jboss.weld.se</groupId> <artifactId>weld-se</artifactId> <version>1.1.1.Final</version> </dependency> Use this instead: <dependency> <groupId>org.jboss.weld.se</groupId> <artifactId>weld-se-core</artifactId> <version>1.1.1.Final</version> </dependency> <dependency> <groupId>org.jboss.weld</groupId> <artifactId>weld-core</artifactId> <version>1.1.1.Final</version> </dependency> <dependency> <groupId>org.javassist</groupId> <artifactId>javassist</artifactId> <version>3.14.0-GA</version> </dependency> <!-- Here you pick what logging system you really want to use --> <dependency> <groupId>org.slf4j</groupId> < Unable to render embedded object: File (-- Oh, I have an idea) not found. There is one in every JVM classpath! --> <artifactId>slf4j-jdk14</artifactId> <!-- Has to be >= 1.5.5 because SLF4J is garbage --> <version>1.5.10</version> </dependency>