[jboss-jira] [JBoss JIRA] (DROOLS-1189) Parser error doesn't point at the problematic line in case of extra double quote

[Toshiya Kobayashi (JIRA)]

Toshiya Kobayashi created DROOLS-1189:
-----------------------------------------

             Summary: Parser error doesn't point at the problematic line in case of extra double quote
                 Key: DROOLS-1189
                 URL: https://issues.jboss.org/browse/DROOLS-1189
             Project: Drools
          Issue Type: Bug
          Components: core engine
    Affects Versions: 6.4.0.Final
            Reporter: Toshiya Kobayashi
            Assignee: Mario Fusco
            Priority: Minor


If you have a rule which wrongly has an extra double quote,
{noformat}
rule "rule1"
         when
         then
                 System.out.println("1"");
end
  
rule "rule2"
         when
         then
                 System.out.println("2");
end
 
rule "rule3"
         when
         then
                 System.out.println("3");
end
{noformat}

Drools raises parser errors like this:
{noformat}
[20,0]: [ERR 102] Line 20:0 mismatched input ''
[20,0]: [ERR 102] Line 20:0 mismatched input '<eof>' in rule "rule1"
[0,0]: Parser returned a null Package
{noformat}
It doesn't point at the problematic line which actually contains the extra double quote. So it's difficult for users to find the root cause (Imagine you have bunch of rules generated by decision table).



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