tkobayas commented on code in PR #6708:
URL:
https://github.com/apache/incubator-kie-drools/pull/6708#discussion_r3264903936
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drools-model/drools-model-codegen/src/main/java/org/drools/model/codegen/execmodel/PackageModel.java:
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@@ -154,7 +155,7 @@ public class PackageModel {
private final List<MethodDeclaration> functions = new ArrayList<>();
- private final List<TypeDeclaration> generatedPOJOs = new ArrayList<>();
+ private final List<TypeDeclaration> generatedPOJOs = new
CopyOnWriteArrayList<>();
Review Comment:
During build, helper classes like `accumulate5Accumulate68` are added to
this list. With a plain `ArrayList`, the added class may be lost under
concurrency and result in a build error.
We may have to fix other lists in `PackageModel`, but so far I can only
reproduce this issue, so the fix is only this one.
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