{"record":{"id":"45541d1a512dd77f","repo":"flowable/flowable-engine","slug":"suspendedafter-is-null","errorCode":null,"errorMessage":"suspendedAfter is null","messagePattern":"suspendedAfter is null","errorType":"validation","errorClass":"FlowableIllegalArgumentException","httpStatus":null,"severity":"error","filePath":"modules/flowable-cmmn-engine/src/main/java/org/flowable/cmmn/engine/impl/runtime/PlanItemInstanceQueryImpl.java","lineNumber":506,"sourceCode":"    }\n\n    @Override\n    public PlanItemInstanceQuery planItemInstanceLastSuspendedBefore(Date suspendedBefore) {\n        if (suspendedBefore == null) {\n            throw new FlowableIllegalArgumentException(\"suspendedBefore is null\");\n        }\n        if (inOrStatement) {\n            this.currentOrQueryObject.lastSuspendedBefore = suspendedBefore;\n        } else {\n            this.lastSuspendedBefore = suspendedBefore;\n        }\n        return this;\n    }\n\n    @Override\n    public PlanItemInstanceQuery planItemInstanceLastSuspendedAfter(Date suspendedAfter) {\n        if (suspendedAfter == null) {\n            throw new FlowableIllegalArgumentException(\"suspendedAfter is null\");\n        }\n        if (inOrStatement) {\n            this.currentOrQueryObject.lastSuspendedAfter = suspendedAfter;\n        } else {\n            this.lastSuspendedAfter = suspendedAfter;\n        }\n        return this;\n    }\n\n    @Override\n    public PlanItemInstanceQuery planItemInstanceCompletedBefore(Date completedBefore) {\n        if (completedBefore == null) {\n            throw new FlowableIllegalArgumentException(\"completedBefore is null\");\n        }\n        if (inOrStatement) {\n            this.currentOrQueryObject.completedBefore = completedBefore;\n        } else {\n            this.completedBefore = completedBefore;","sourceCodeStart":488,"sourceCodeEnd":524,"githubUrl":"https://github.com/flowable/flowable-engine/blob/d6d39ce1c69ff244f2d9dc6af756a9b95e865586/modules/flowable-cmmn-engine/src/main/java/org/flowable/cmmn/engine/impl/runtime/PlanItemInstanceQueryImpl.java#L488-L524","documentation":"planItemInstanceLastSuspendedAfter(Date) throws FlowableIllegalArgumentException 'suspendedAfter is null' when given a null Date. The validation sits in the builder method of PlanItemInstanceQueryImpl, so the rejection happens immediately, covering both the plain and OR-statement query objects. Null is not an accepted filter value.","triggerScenarios":"Invoking planItemInstanceLastSuspendedAfter(null), e.g. from an unpopulated filter object or a null returned by a date utility.","commonSituations":"Optional suspended-after filters in monitoring dashboards; null from failed parsing of client timestamps; batch report code composing filters from sparse data; tests of builder validation.","solutions":["Provide a non-null Date argument.","Only chain the filter when the date is present.","Normalize absent values to a default date before querying.","Handle FlowableIllegalArgumentException as fallback and drop the filter."],"exampleFix":"// before\nquery.planItemInstanceLastSuspendedAfter(filter.suspendedAfter); // null\n// after\nif (filter.suspendedAfter != null) {\n    query.planItemInstanceLastSuspendedAfter(filter.suspendedAfter);\n}","handlingStrategy":"validation","validationCode":"if (suspendedAfter == null) {\n    throw new IllegalArgumentException(\"suspendedAfter must be a non-null Date\");\n}\nquery.planItemInstanceLastSuspendedAfter(suspendedAfter);","typeGuard":"boolean valid(Date d) { return d != null; }","tryCatchPattern":"try {\n    query.planItemInstanceLastSuspendedAfter(suspendedAfter);\n} catch (FlowableIllegalArgumentException e) {\n    query = cmmnRuntimeService.createPlanItemInstanceQuery();\n}","preventionTips":["Check date parser return values for null before use","Apply filters conditionally when optional","Set default bounds for missing inputs","Add validation tests for filter DTOs"],"tags":["java","flowable","cmmn","query","null-argument"],"backgroundTag":"null-argument","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"}