Karthikeyan Sekar [http://community.jboss.org/people/a02918] created the discussion "Unable to complete the process of sample project(Perfromance Evaluation)" To view the discussion, visit: http://community.jboss.org/message/641724#641724 -------------------------------------------------------------- Hi All,           I am working on jBPM5.2 and trying to execute a sample project (performance evaluation).In jBPM console,I had logged in as krisv and made self evaluation Then, I had logged in as john and evaluated krisv .Then I had logged in as mary and evaluated krisv.when I logged is as mary I got the following error as follows 2011-12-15 15:26:15,022 [FATAL] Uncaught Exception: java.lang.IllegalArgumentException: *empty argument*     at Unknown.dA(JsArrayString.java:42)     at Unknown.jHb(StackTraceCreator.java:366)     at Unknown.iS(JSONParser.java:48)     at Unknown.Fyc(DTOParser.java:347)     at Unknown.pGc(LoadActivityDiagramAction.java:65)     at Unknown.Ewc(AbstractRESTAction.java:86)     at Unknown.nN(Request.java:287)     at Unknown.VN(RequestBuilder.java:393)     at Unknown.anonymous(XMLHttpRequest.java:258)     at Unknown.kz(Impl.java:146)     at Unknown.anonymous(Impl.java:56) Please help me regarding this issue. Thanks in advance............... Regards, Karthikeyan Sekar -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/641724#641724] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]