{"record":{"id":"e05e38228fb0ef8b","repo":"flowable/flowable-engine","slug":"invalid-query-usage-cannot-set-both-tasknamein-an-e05e38","errorCode":null,"errorMessage":"Invalid query usage: cannot set both taskNameIn and taskNameLikeIgnoreCase","messagePattern":"Invalid query usage: cannot set both taskNameIn and taskNameLikeIgnoreCase","errorType":"validation","errorClass":"ActivitiIllegalArgumentException","httpStatus":400,"severity":"error","filePath":"modules/flowable5-engine/src/main/java/org/activiti/engine/impl/HistoricTaskInstanceQueryImpl.java","lineNumber":391,"sourceCode":"    }\n\n    @Override\n    public HistoricTaskInstanceQuery taskNameIn(List<String> taskNameList) {\n        if (taskNameList == null) {\n            throw new ActivitiIllegalArgumentException(\"Task name list is null\");\n        }\n        if (taskNameList.isEmpty()) {\n            throw new ActivitiIllegalArgumentException(\"Task name list is empty\");\n        }\n\n        if (taskName != null) {\n            throw new ActivitiIllegalArgumentException(\"Invalid query usage: cannot set both taskNameIn and taskName\");\n        }\n        if (taskNameLike != null) {\n            throw new ActivitiIllegalArgumentException(\"Invalid query usage: cannot set both taskNameIn and taskNameLike\");\n        }\n        if (taskNameLikeIgnoreCase != null) {\n            throw new ActivitiIllegalArgumentException(\"Invalid query usage: cannot set both taskNameIn and taskNameLikeIgnoreCase\");\n        }\n\n        if (inOrStatement) {\n            currentOrQueryObject.taskNameList = taskNameList;\n        } else {\n            this.taskNameList = taskNameList;\n        }\n        return this;\n    }\n\n    @Override\n    public HistoricTaskInstanceQuery taskNameInIgnoreCase(List<String> taskNameList) {\n        if (taskNameList == null) {\n            throw new ActivitiIllegalArgumentException(\"Task name list is null\");\n        }\n        if (taskNameList.isEmpty()) {\n            throw new ActivitiIllegalArgumentException(\"Task name list is empty\");\n        }","sourceCodeStart":373,"sourceCodeEnd":409,"githubUrl":"https://github.com/flowable/flowable-engine/blob/d6d39ce1c69ff244f2d9dc6af756a9b95e865586/modules/flowable5-engine/src/main/java/org/activiti/engine/impl/HistoricTaskInstanceQueryImpl.java#L373-L409","documentation":"taskNameIn also conflicts with taskNameLikeIgnoreCase. The setter validates that the case-insensitive LIKE filter is not already set, throwing ActivitiIllegalArgumentException when both are present on the same query.","triggerScenarios":"Calling .taskNameIn(List<String>) after .taskNameLikeIgnoreCase(\"review%\") on the same HistoricTaskInstanceQuery.","commonSituations":"Search screens that default to case-insensitive partial matching but switch to exact multi-select matching without resetting the query object.","solutions":["Drop the taskNameLikeIgnoreCase call before applying taskNameIn — the IN list is exact, so a case-insensitive LIKE is redundant.","Use taskNameInIgnoreCase for a case-insensitive exact list match instead of taskNameLikeIgnoreCase.","Start a fresh query object rather than mutating one that already carries a filter."],"exampleFix":"// before\nquery.taskNameLikeIgnoreCase(\"review%\");\nquery.taskNameIn(names);\n// after\nquery.taskNameInIgnoreCase(names);","handlingStrategy":"validation","validationCode":"if (names != null && !names.isEmpty()) {\n    if (caseInsensitivePattern) {\n        query.taskNameLikeIgnoreCase(pattern);\n    } else {\n        query.taskNameIn(names); // or taskNameInIgnoreCase\n    }\n}","typeGuard":"boolean canUseTaskNameIn(HistoricTaskInstanceQueryImpl q) { return q.getTaskNameLikeIgnoreCase() == null; }","tryCatchPattern":"try {\n    query.taskNameIn(names);\n} catch (org.activiti.engine.ActivitiIllegalArgumentException e) {\n    // taskNameLikeIgnoreCase already set — rebuild query with one name filter\n    query = taskService.createHistoricTaskInstanceQuery().taskNameInIgnoreCase(names);\n}","preventionTips":["Use taskNameInIgnoreCase when the goal was case-insensitive matching, not taskNameLikeIgnoreCase.","Reset or rebuild queries when switching filter strategies mid-request.","Keep name-filter assignment in one helper method."],"tags":["flowable","query","invalid-usage"],"backgroundTag":"mutually-exclusive-options","analyzedSha":"d6d39ce1c69ff244f2d9dc6af756a9b95e865586","analyzedAt":"2026-09-11T06:41:19.413Z","contentChangedAt":"2026-09-11T06:41:19.413Z","schemaVersion":2},"datasetVersion":"2026-09-18T11:17:12.947Z"}