{"record":{"id":"7729f7e6c38e4f39","repo":"apache/flink","slug":"byte-array-b-cannot-be-null","errorCode":null,"errorMessage":"Byte array b cannot be null.","messagePattern":"Byte array b cannot be null\\.","errorType":"exception","errorClass":"NullPointerException","httpStatus":null,"severity":"error","filePath":"flink-core/src/main/java/org/apache/flink/types/Record.java","lineNumber":1575,"sourceCode":"            } else {\n                n = this.end - this.position;\n                this.position = this.end;\n                return n;\n            }\n        }\n\n        @Override\n        public void skipBytesToRead(int numBytes) throws IOException {\n            if (this.end - this.position < numBytes) {\n                throw new EOFException(\"Could not skip \" + numBytes + \".\");\n            }\n            skipBytes(numBytes);\n        }\n\n        @Override\n        public int read(byte[] b, int off, int len) throws IOException {\n            if (b == null) {\n                throw new NullPointerException(\"Byte array b cannot be null.\");\n            }\n\n            if (off < 0) {\n                throw new IndexOutOfBoundsException(\"Offset cannot be negative.\");\n            }\n\n            if (len < 0) {\n                throw new IndexOutOfBoundsException(\"Length cannot be negative.\");\n            }\n\n            if (b.length - off < len) {\n                throw new IndexOutOfBoundsException(\n                        \"Byte array does not provide enough space to store requested data\" + \".\");\n            }\n\n            if (this.position >= this.end) {\n                return len == 0 ? 0 : -1;\n            } else {","sourceCodeStart":1557,"sourceCodeEnd":1593,"githubUrl":"https://github.com/apache/flink/blob/2f3c205e9266cb30240eb7f4fdab15cad629a70f/flink-core/src/main/java/org/apache/flink/types/Record.java#L1557-L1593","documentation":"Error \"Byte array b cannot be null.\" thrown in apache/flink.","triggerScenarios":"Triggered at runtime when the operation fails because: Byte array b cannot be null.","commonSituations":"Commonly caused by misconfiguration, missing dependencies or files, unsupported types or operations, or invalid user input leading to: Byte array b cannot be null.","solutions":["Address the cause reported by the error message: Byte array b cannot be null.","Verify the inputs, configuration values, and classpath/dependency setup related to this operation, then retry."],"exampleFix":"Correct the condition described (\"Byte array b cannot be null.\") 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"}