yurloc opened a new issue, #5932:
URL: https://github.com/apache/incubator-kie-drools/issues/5932
## Parent issue
- #5678
## Failing tests
-
`org.drools.mvel.integrationtests.Misc2Test#testJittingFunctionReturningAnInnerClass`
### Notes
At the end of line 3, a semi is expected instead of class body. This is
because `DRL6Expressions.g4` overrides the `classCreatorRest` rule and does not
allow `classBody?`.
## Rule code snippet
```
import java.util.function.Function
function Function<String, Integer> f() {
return new Function<String, Integer>() {
public Integer apply(String s) {
return s.length();
}
};
}
```
## Error output
```
### parse : ANTLR4_PARSER_ENABLED = true
line 3:43 missing ';' at '{'
line 4:23 missing '.' at 'apply'
line 4:28 mismatched input '(' expecting '.'
line 4:36 extraneous input 's' expecting ')'
line 4:39 extraneous input '{' expecting {'abstract', 'class', 'final',
'interface', 'private', 'protected', 'public', 'static', 'strictfp', 'module',
'open', 'requires', 'exports', 'opens', 'to', 'uses', 'provides', 'with',
'transitive', 'var', 'yield', 'record', 'sealed', 'permits', 'non-sealed', '@',
IDENTIFIER}
11:06:45.941 [main] ERROR
o.d.c.k.b.impl.AbstractKieProject.buildKnowledgePackages:280 - Unable to build
KieBaseModel:KieBaseModelName
[3,43]: missing ';' at '{'
[4,23]: missing '.' at 'apply'
[4,28]: mismatched input '(' expecting '.'
[4,36]: extraneous input 's' expecting ')'
[4,39]: extraneous input '{' expecting {'abstract', 'class', 'final',
'interface', 'private', 'protected', 'public', 'static', 'strictfp', 'module',
'open', 'requires', 'exports', 'opens', 'to', 'uses', 'provides', 'with',
'transitive', 'var', 'yield', 'record', 'sealed', 'permits', 'non-sealed', '@',
IDENTIFIER}
[0,0]: Parser returned a null Package
11:06:45.949 [main] ERROR
o.d.testcoverage.common.util.KieUtil.getKieBuilderFromKieFileSystem:165 -
KieBuilder errors: [Message [id=1, kieBase=KieBaseModelName, level=ERROR,
path=rules1.drl, line=3, column=0
text=missing ';' at '{'], Message [id=2, kieBase=KieBaseModelName,
level=ERROR, path=rules1.drl, line=4, column=0
text=missing '.' at 'apply'], Message [id=3, kieBase=KieBaseModelName,
level=ERROR, path=rules1.drl, line=4, column=0
text=mismatched input '(' expecting '.'], Message [id=4,
kieBase=KieBaseModelName, level=ERROR, path=rules1.drl, line=4, column=0
text=extraneous input 's' expecting ')'], Message [id=5,
kieBase=KieBaseModelName, level=ERROR, path=rules1.drl, line=4, column=0
text=extraneous input '{' expecting {'abstract', 'class', 'final',
'interface', 'private', 'protected', 'public', 'static', 'strictfp', 'module',
'open', 'requires', 'exports', 'opens', 'to', 'uses', 'provides', 'with',
'transitive', 'var', 'yield', 'record', 'sealed', 'permits', 'non-sealed', '@',
IDENTIFIER}], Message [id=6, kieBase=KieBaseModelName, level=ERROR,
path=rules1.drl, line=0, column=0
text=Parser returned a null Package]]
java.lang.AssertionError: [[Message [id=1, kieBase=KieBaseModelName,
level=ERROR, path=rules1.drl, line=3, column=0
text=missing ';' at '{'], Message [id=2, kieBase=KieBaseModelName,
level=ERROR, path=rules1.drl, line=4, column=0
text=missing '.' at 'apply'], Message [id=3, kieBase=KieBaseModelName,
level=ERROR, path=rules1.drl, line=4, column=0
text=mismatched input '(' expecting '.'], Message [id=4,
kieBase=KieBaseModelName, level=ERROR, path=rules1.drl, line=4, column=0
text=extraneous input 's' expecting ')'], Message [id=5,
kieBase=KieBaseModelName, level=ERROR, path=rules1.drl, line=4, column=0
text=extraneous input '{' expecting {'abstract', 'class', 'final',
'interface', 'private', 'protected', 'public', 'static', 'strictfp', 'module',
'open', 'requires', 'exports', 'opens', 'to', 'uses', 'provides', 'with',
'transitive', 'var', 'yield', 'record', 'sealed', 'permits', 'non-sealed', '@',
IDENTIFIER}], Message [id=6, kieBase=KieBaseModelName, level=ERROR,
path=rules1.drl, line=0, column=0
text=Parser returned a null Package]]]
Expecting empty but was: [Message [id=1, kieBase=KieBaseModelName,
level=ERROR, path=rules1.drl, line=3, column=0
text=missing ';' at '{'],
Message [id=2, kieBase=KieBaseModelName, level=ERROR, path=rules1.drl,
line=4, column=0
text=missing '.' at 'apply'],
Message [id=3, kieBase=KieBaseModelName, level=ERROR, path=rules1.drl,
line=4, column=0
text=mismatched input '(' expecting '.'],
Message [id=4, kieBase=KieBaseModelName, level=ERROR, path=rules1.drl,
line=4, column=0
text=extraneous input 's' expecting ')'],
Message [id=5, kieBase=KieBaseModelName, level=ERROR, path=rules1.drl,
line=4, column=0
text=extraneous input '{' expecting {'abstract', 'class', 'final',
'interface', 'private', 'protected', 'public', 'static', 'strictfp', 'module',
'open', 'requires', 'exports', 'opens', 'to', 'uses', 'provides', 'with',
'transitive', 'var', 'yield', 'record', 'sealed', 'permits', 'non-sealed', '@',
IDENTIFIER}],
Message [id=6, kieBase=KieBaseModelName, level=ERROR, path=rules1.drl,
line=0, column=0
text=Parser returned a null Package]]
at
org.drools.testcoverage.common.util.KieUtil.getKieBuilderFromKieFileSystem(KieUtil.java:169)
at
org.drools.testcoverage.common.util.KieUtil.getKieBuilderFromKieFileSystem(KieUtil.java:134)
at
org.drools.testcoverage.common.util.KieUtil.buildAndInstallKieModuleIntoRepo(KieUtil.java:78)
at
org.drools.testcoverage.common.util.KieUtil.buildAndInstallKieModuleIntoRepo(KieUtil.java:72)
at
org.drools.testcoverage.common.util.KieUtil.getKieModuleFromResources(KieUtil.java:249)
at
org.drools.testcoverage.common.util.KieUtil.getKieModuleFromResources(KieUtil.java:238)
at
org.drools.testcoverage.common.util.KieBaseUtil.getKieBaseFromKieModuleFromResources(KieBaseUtil.java:102)
at
org.drools.testcoverage.common.util.KieBaseUtil.getKieBaseFromKieModuleFromDrl(KieBaseUtil.java:115)
at
org.drools.mvel.integrationtests.Misc2Test.testJittingFunctionReturningAnInnerClass(Misc2Test.java:8019)
```
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