{"record":{"id":"33d5e360409fc773","repo":"apache/flink","slug":"length-may-not-be-negative-33d5e3","errorCode":null,"errorMessage":"Length may not be negative.","messagePattern":"Length may not be negative\\.","errorType":"exception","errorClass":"IllegalArgumentException","httpStatus":null,"severity":"error","filePath":"flink-core/src/main/java/org/apache/flink/types/Record.java","lineNumber":1385,"sourceCode":"        public void readFully(byte[] b) throws IOException {\n            readFully(b, 0, b.length);\n        }\n\n        @Override\n        public void readFully(byte[] b, int off, int len) throws IOException {\n            if (len >= 0) {\n                if (off <= b.length - len) {\n                    if (this.position <= this.end - len) {\n                        System.arraycopy(this.memory, position, b, off, len);\n                        position += len;\n                    } else {\n                        throw new EOFException();\n                    }\n                } else {\n                    throw new ArrayIndexOutOfBoundsException();\n                }\n            } else if (len < 0) {\n                throw new IllegalArgumentException(\"Length may not be negative.\");\n            }\n        }\n\n        @Override\n        public int readInt() throws IOException {\n            if (this.position >= 0 && this.position < this.end - 3) {\n                @SuppressWarnings(\"restriction\")\n                int value = UNSAFE.getInt(this.memory, BASE_OFFSET + this.position);\n                if (LITTLE_ENDIAN) {\n                    value = Integer.reverseBytes(value);\n                }\n\n                this.position += 4;\n                return value;\n            } else {\n                throw new EOFException();\n            }\n        }","sourceCodeStart":1367,"sourceCodeEnd":1403,"githubUrl":"https://github.com/apache/flink/blob/2f3c205e9266cb30240eb7f4fdab15cad629a70f/flink-core/src/main/java/org/apache/flink/types/Record.java#L1367-L1403","documentation":"Error \"Length may not be negative.\" thrown in apache/flink.","triggerScenarios":"Triggered at runtime when the operation fails because: Length may not be negative.","commonSituations":"Commonly caused by misconfiguration, missing dependencies or files, unsupported types or operations, or invalid user input leading to: Length may not be negative.","solutions":["Address the cause reported by the error message: Length may not be negative.","Verify the inputs, configuration values, and classpath/dependency setup related to this operation, then retry."],"exampleFix":"Correct the condition described (\"Length may not be negative.\") and rerun the job or command.","handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"2f3c205e9266cb30240eb7f4fdab15cad629a70f","analyzedAt":"2026-08-14T08:48:24.518Z","schemaVersion":2},"datasetVersion":"2026-08-14T10:17:34.591Z"}