[rules-users] Error is Java.lang.RuntimeException

[Wolfgang Laun]

The cell with the keyword RuleTable must also contain the string for the
initial part of the rule name. It seems that you have this in the adjoining
cell. - See the docs, section "Rule Tables".
-W

2011/8/25 Manohar Kokkula <manohar.kokkula at tcs.com>

> Hi Frank and Wolfgang,
>
> Thank you for your help,
> I did everything as you both said,still i am getting the same error,
>
>
> java.lang.RuntimeException: [12,19]: [ERR 101] Line 12:19 no viable
> alternative at input ''[12,27]: [ERR 101] Line 12:27 no viable alternative
> at input ''[13,15]: [ERR 101] Line 13:15 no viable alternative at input
> ''[13,21]: [ERR 101] Line 13:21 no viable alternative at input ''[23,19]:
> [ERR 101] Line 23:19 no viable alternative at input ''[23,27]: [ERR 101]
> Line 23:27 no viable alternative at input ''[24,15]: [ERR 101] Line 24:15 no
> viable alternative at input ''[24,21]: [ERR 101] Line 24:21 no viable
> alternative at input ''[34,19]: [ERR 101] Line 34:19 no viable alternative
> at input ''[34,25]: [ERR 101] Line 34:25 no viable alternative at input
> ''[35,15]: [ERR 101] Line 35:15 no viable alternative at input ''[35,21]:
> [ERR 101] Line 35:21 no viable alternative at input ''[45,19]: [ERR 101]
> Line 45:19 no viable alternative at input ''[45,27]: [ERR 101] Line 45:27 no
> viable alternative at input ''[46,15]: [ERR 101] Line 46:15 no viable
> alternative at input ''[46,21]: [ERR 101] Line 46:21 no viable alternative
> at input ''
> Error in kbuildefr ......
> Error in main ...
> Error is java.lang.RuntimeException: [12,19]: [ERR 101] Line 12:19 no
> viable alternative at input ''[12,27]: [ERR 101] Line 12:27 no viable
> alternative at input ''[13,15]: [ERR 101] Line 13:15 no viable alternative
> at input ''[13,21]: [ERR 101] Line 13:21 no viable alternative at input
> ''[23,19]: [ERR 101] Line 23:19 no viable alternative at input ''[23,27]:
> [ERR 101] Line 23:27 no viable alternative at input ''[24,15]: [ERR 101]
> Line 24:15 no viable alternative at input ''[24,21]: [ERR 101] Line 24:21 no
> viable alternative at input ''[34,19]: [ERR 101] Line 34:19 no viable
> alternative at input ''[34,25]: [ERR 101] Line 34:25 no viable alternative
> at input ''[35,15]: [ERR 101] Line 35:15 no viable alternative at input
> ''[35,21]: [ERR 101] Line 35:21 no viable alternative at input ''[45,19]:
> [ERR 101] Line 45:19 no viable alternative at input ''[45,27]: [ERR 101]
> Line 45:27 no viable alternative at input ''[46,15]: [ERR 101] Line 46:15 no
> viable alternative at input ''[46,21]: [ERR 101] Line 46:21 no viable
> alternative at input ''
>
>         at com.model.Student_College.readBase(Student_College.java:90)
>         at com.model.Student_College.main(Student_College.java:31)
>
>
> Now i am sending my main class and .xls file.
>
> public class Student_College {
>
>         public static void main(String args[]) throws IOException
>         {
>
>                 Student s=new Student();
>                 College c=new College();
>                 s.setAge(20);
>                 s.setMarks(35);
>                 c.setRanking("B");
>                 c.setLocation("elhi");
>
>
>
>                 try
>                 {
>                         KnowledgeBase kbase = readBase();
>                         StatefulKnowledgeSession ksession  =
> kbase.newStatefulKnowledgeSession();
>
>                         ksession.insert(s);
>                         ksession.insert(c);
>                         ksession.fireAllRules();
>                         System.out.println("Department is
> "+s.getDepartment());
>
>                         System.out.println("Status is " + c.getStatus());
>
>                         ksession.dispose();
>
>
>
>                 }
>                 catch(RuntimeException re)
>                 {
>                         System.out.println("Error in main ...");
>                         re.printStackTrace();
>                         System.out.println("Error is "+re);
>
>                 }
>
>         }
>
>         private static KnowledgeBase readBase() throws IOException
>         {
>                 DecisionTableConfiguration dconf =
> KnowledgeBuilderFactory.newDecisionTableConfiguration();
>                 dconf.setInputType(DecisionTableInputType.XLS);
>
>                 KnowledgeBuilder kbuilder =
> KnowledgeBuilderFactory.newKnowledgeBuilder();
>
> kbuilder.add(ResourceFactory.newClassPathResource("manohar.xls",
> Student_College.class), ResourceType.DTABLE, dconf);
>
>
>             if(kbuilder.hasErrors())
>                 {
>                         System.out.println("Error in kbuildefr ......");
>                         throw new
> RuntimeException(kbuilder.getErrors().toString());
>
>                 }
>
>                 KnowledgeBase kbase =
> KnowledgeBaseFactory.newKnowledgeBase();
>
> kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
>
>                 return kbase;
>
>
>         }
>
> }
>
>
> In above main class i used the following code to interpret my manohar.xls
> file...
>
> String drlString = null;
>                 try {
>                         drlString =
> DecisionTableFactory.loadFromInputStream(ResourceFactory.newClassPathResource("manohar.xls",
> Student_College.class).getInputStream(), dconf);
>                 } catch (IOException e) {
>                         // TODO Auto-generated catch block
>                         System.out.println("Error in drl String .....");
>                         e.printStackTrace();
>                 }
>
>                   System.out.println("..........."+drlString);
>
>
>
>
> manohar.xls:
>
>  RuleSet com.model   Import com.model.Student, com.model.College       RuleTable
> Allocation Rule   CONDITION CONDITION CONDITION CONDITION ACTION ACTION $s:Student
> $c:College   age marks ranking location $s.setDepartment(“$param”);
> $c.setStatus(“$param”);
> 18
>  85
> A Delhi Science AICTE
> 18
>  90
> B Kanpur Science AICTE
> 20
>  90
> A Mumbai Maths AICTE
> 23
>  87
> C Hyderabad Physics AICTE
>
>
>
> Thanks and Regards
> Manohar Kokkula
> Mailto: manohar.kokkula at tcs.com
>
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