sunil deshpande [http://community.jboss.org/people/desunil] created the discussion "java.lang.NoClassDefFounderror" To view the discussion, visit: http://community.jboss.org/message/623615#623615 -------------------------------------------------------------- Hi I am calling a ActionHandler in a node, in Action Handler I am using following code if (StringUtils.isEmpty((String) executionContext.getVariable(EXCEPTION_THROWN))) { Its throwing error java.lang.NoClassDefFoundError: org/apache/commons/lang/StringUtils but i have included commons-lang-2.3.jar , there are no build errors,,,   yet the above exception is occuring,,,    plz help -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/623615#623615] Start a new discussion in jBPM Development at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]