import java.util.Map;import org.apache.commons.lang3.StringUtils;import org.apache.commons.lang3.exception.ExceptionUtils;public class ExceptionHelper {
         public static String getFullStackTrace(Throwable t){        if(t==null)return "";        String expStr = "";        if(t instanceof SystemException){            expStr +=  getSystemExceptionMsg((SystemException)t);        }        expStr += StringUtils.join(ExceptionUtils.getRootCauseStackTrace(t),"\n");        return expStr;    }    private static String getSystemExceptionMsg(SystemException exp) {         if(exp==null)return "";        StringBuilder sb = new StringBuilder();        ErrorCode errorCode =exp.getErrorCode();        Map
     
       properties = exp.getProperties();        if (errorCode != null) {            sb.append(                    errorCode.getCode() + ":"+errorCode.getValue() + ":"+                     errorCode + ":" + errorCode.getClass().getName()+"\n"                    );         }        for (String key : properties.keySet()) {            sb.append(key + "=[" + properties.get(key) + "]\n");         }        return sb.toString();    }}