{"record":{"id":"8828c6639bcfec6a","repo":"flowable/flowable-engine","slug":"invalid-query-usage-cannot-set-both-tasknameinign-8828c6","errorCode":null,"errorMessage":"Invalid query usage: cannot set both taskNameInIgnoreCase and nameLike","messagePattern":"Invalid query usage: cannot set both taskNameInIgnoreCase and nameLike","errorType":"exception","errorClass":"ActivitiIllegalArgumentException","httpStatus":null,"severity":"error","filePath":"modules/flowable5-engine/src/main/java/org/activiti/engine/impl/TaskQueryImpl.java","lineNumber":209,"sourceCode":"    @Override\n    public TaskQuery taskNameInIgnoreCase(List<String> nameList) {\n        if (nameList == null) {\n            throw new ActivitiIllegalArgumentException(\"Task name list is null\");\n        }\n        if (nameList.isEmpty()) {\n            throw new ActivitiIllegalArgumentException(\"Task name list is empty\");\n        }\n        for (String name : nameList) {\n            if (name == null) {\n                throw new ActivitiIllegalArgumentException(\"None of the given task names can be null\");\n            }\n        }\n\n        if (name != null) {\n            throw new ActivitiIllegalArgumentException(\"Invalid query usage: cannot set both taskNameInIgnoreCase and name\");\n        }\n        if (nameLike != null) {\n            throw new ActivitiIllegalArgumentException(\"Invalid query usage: cannot set both taskNameInIgnoreCase and nameLike\");\n        }\n        if (nameLikeIgnoreCase != null) {\n            throw new ActivitiIllegalArgumentException(\"Invalid query usage: cannot set both taskNameInIgnoreCase and nameLikeIgnoreCase\");\n        }\n\n        final int nameListSize = nameList.size();\n        final List<String> caseIgnoredNameList = new ArrayList<>(nameListSize);\n        for (String name : nameList) {\n            caseIgnoredNameList.add(name.toLowerCase());\n        }\n\n        if (orActive) {\n            this.currentOrQueryObject.nameListIgnoreCase = caseIgnoredNameList;\n        } else {\n            this.nameListIgnoreCase = caseIgnoredNameList;\n        }\n        return this;\n    }","sourceCodeStart":191,"sourceCodeEnd":227,"githubUrl":"https://github.com/flowable/flowable-engine/blob/d6d39ce1c69ff244f2d9dc6af756a9b95e865586/modules/flowable5-engine/src/main/java/org/activiti/engine/impl/TaskQueryImpl.java#L191-L227","documentation":"A task query cannot combine a name-like pattern with an exact-in-list name filter. taskNameLike(String) sets `nameLike`; calling taskNameInIgnoreCase afterwards detects the conflicting criterion and throws ActivitiIllegalArgumentException immediately.","triggerScenarios":"Chaining taskQuery.taskNameLike(\"%review%\").taskNameInIgnoreCase(list), or calling taskNameInIgnoreCase on a query where the nameLike field was already populated (including via an OR query object).","commonSituations":"Dynamic search builders that apply every non-empty field of a search form, so both nameLike and a names list end up set; migrating queries that previously used only one filter.","solutions":["Keep only one of the two filters; remove taskNameLike(...) if the in-list filter is intended","Validate the search input so only one name-matching mode is accepted","Use an or() block only if OR semantics between the two name conditions are genuinely desired"],"exampleFix":"// before\ntaskQuery.taskNameLike(\"%review%\").taskNameInIgnoreCase(names);\n// after\ntaskQuery.taskNameInIgnoreCase(names);","handlingStrategy":"validation","validationCode":"if (nameLike != null && namesIn != null) {\n    throw new IllegalArgumentException(\"taskNameLike and taskNameInIgnoreCase are mutually exclusive\");\n}","typeGuard":null,"tryCatchPattern":"try {\n    query.taskNameInIgnoreCase(names);\n} catch (org.activiti.engine.ActivitiIllegalArgumentException e) {\n    // rebuild query with only one name filter\n}","preventionTips":["Pick a single name-matching mode per query","Never apply every non-empty field of a search form blindly","Document filter exclusivity in your query-builder helper"],"tags":["activiti","task-query","invalid-usage","mutually-exclusive"],"backgroundTag":"mutually-exclusive-options","analyzedSha":"d6d39ce1c69ff244f2d9dc6af756a9b95e865586","analyzedAt":"2026-09-11T06:41:19.413Z","contentChangedAt":"2026-09-11T06:41:19.413Z","schemaVersion":2},"datasetVersion":"2026-09-18T16:30:33.424Z"}