Caused by: java.lang.NoClassDefFoundError: org/jboss/weld/bootstrap/api/Service
	at java.lang.ClassLoader.defineClass1(Native Method) [rt.jar:1.8.0_11]
	at java.lang.ClassLoader.defineClass(ClassLoader.java:760) [rt.jar:1.8.0_11]
	at org.jboss.modules.ModuleClassLoader.doDefineOrLoadClass(ModuleClassLoader.java:361) [jboss-modules.jar:1.3.3.Final]
	at org.jboss.modules.ModuleClassLoader.defineClass(ModuleClassLoader.java:482) [jboss-modules.jar:1.3.3.Final]
	... 80 more
Caused by: java.lang.ClassNotFoundException: org.jboss.weld.bootstrap.api.Service from [Module "org.jboss.as.jsf-injection:main" from local module loader @47fd17e3 (finder: local module finder @7cdbc5d3 (roots: /Users/chatura/Downloads/jbpm-installer/wildfly-8.1.0.Final/modules,/Users/chatura/Downloads/jbpm-installer/wildfly-8.1.0.Final/modules/system/layers/base))]
	at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:213) [jboss-modules.jar:1.3.3.Final]
	at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:459) [jboss-modules.jar:1.3.3.Final]
	at org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:408) [jboss-modules.jar:1.3.3.Final]
	at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:389) [jboss-modules.jar:1.3.3.Final]
	at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:134) [jboss-modules.jar:1.3.3.Final]
	... 84 more

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Caused by: java.lang.ClassNotFoundException: org.apache.commons.lang.text.StrLookup from [Module "org.slf4j.ext:main" from local module loader @47fd17e3 (finder: local module finder @7cdbc5d3 (roots: /Users/chatura/Downloads/jbpm-installer/wildfly-8.1.0.Final/modules,/Users/chatura/Downloads/jbpm-installer/wildfly-8.1.0.Final/modules/system/layers/base))]
	at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:213) [jboss-modules.jar:1.3.3.Final]
	at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:459) [jboss-modules.jar:1.3.3.Final]
	at org.jboss.modules.ConcurrentClassLoader.performLoadClassChecked(ConcurrentClassLoader.java:408) [jboss-modules.jar:1.3.3.Final]
	at org.jboss.modules.ConcurrentClassLoader.performLoadClass(ConcurrentClassLoader.java:389) [jboss-modules.jar:1.3.3.Final]
	at org.jboss.modules.ConcurrentClassLoader.loadClass(ConcurrentClassLoader.java:134) [jboss-modules.jar:1.3.3.Final]
	... 84 more