ARUNAVA SINHA created NETBEANS-2217:
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             Summary: Probable Runtime Exception scenarios in NB-11.0
                 Key: NETBEANS-2217
                 URL: https://issues.apache.org/jira/browse/NETBEANS-2217
             Project: NetBeans
          Issue Type: Bug
    Affects Versions: 11.0
            Reporter: ARUNAVA SINHA


If someone is running NB in JDK-12 with or with nb-javac plugin(1.6) for 
NB-11.0 , he may encounter some issue if it hits code at particular line number 
as mentioned below.

1.  org.netbeans.modules.java.source.builder.TreeFactory
 1a. line 198: return make.at(NOPOS).Break(n);


 error :

incompatible types: Name cannot be converted to JCExpression

1b. line 223: return make.at(NOPOS).Case((JCExpression)expression, lb.toList());

error:

method Case in class TreeMaker cannot be applied to given types;
 required: CaseKind,List<JCExpression>,List<JCStatement>,JCTree
 found: JCExpression,List<JCStatement>
 reason: actual and formal argument lists differ in length


2. org.netbeans.modules.java.source.transform.ImmutableTreeTranslator
3. org.netbeans.modules.java.source.transform.TreeDuplicator
 
 error :
 ImmutableTreeTranslator is not abstract and does not override abstract method 
visitSwitchExpression(SwitchExpressionTree,Object) in TreeVisitor
 TreeDuplicator is not abstract and does not override abstract method 
visitSwitchExpression(SwitchExpressionTree,Object) in TreeVisitor

4. org.netbeans.modules.java.source.save.CasualDiff 
 line 5734 : private boolean matchCase(JCCase t1, JCCase t2) {
 return treesMatch(t1.pat, t2.pat) && listsMatch(t1.stats, t2.stats);
 }
 
 Error: cannot find symbol
 symbol: variable pat
 location: variable t1 of type JCCase



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