{"record":{"id":"fb0cb6e12502af95","repo":"apache/beam","slug":"unable-to-parse-re-serialize-options","errorCode":null,"errorMessage":"Unable to parse re-serialize options","messagePattern":"Unable to parse re-serialize options","errorType":"exception","errorClass":"RuntimeException","httpStatus":null,"severity":"error","filePath":"sdks/java/core/src/main/java/org/apache/beam/sdk/options/ValueProviders.java","lineNumber":55,"sourceCode":"  @Deprecated\n  public static String updateSerializedOptions(\n      String serializedOptions, Map<String, String> runtimeValues) {\n    ObjectNode root, options;\n    try {\n      root = PipelineOptionsFactory.MAPPER.readValue(serializedOptions, ObjectNode.class);\n      options = (ObjectNode) root.get(\"options\");\n      checkStateNotNull(options, \"Unable to locate 'options' in %s\", serializedOptions);\n    } catch (IOException e) {\n      throw new RuntimeException(String.format(\"Unable to parse %s\", serializedOptions), e);\n    }\n\n    for (Map.Entry<String, String> entry : runtimeValues.entrySet()) {\n      options.put(entry.getKey(), entry.getValue());\n    }\n    try {\n      return PipelineOptionsFactory.MAPPER.writeValueAsString(root);\n    } catch (IOException e) {\n      throw new RuntimeException(\"Unable to parse re-serialize options\", e);\n    }\n  }\n}\n","sourceCodeStart":37,"sourceCodeEnd":59,"githubUrl":"https://github.com/apache/beam/blob/12126d8942aaf848030c478b4c6a28c6af861c66/sdks/java/core/src/main/java/org/apache/beam/sdk/options/ValueProviders.java#L37-L59","documentation":"After injecting runtime values into the parsed options ObjectNode, the method re-serializes the root with PipelineOptionsFactory.MAPPER.writeValueAsString. This error wraps any IOException from that write step — a rare internal serialization failure (e.g. an unserializable value just inserted). The message wording is misleading; it is a serialization, not a parse, failure.","triggerScenarios":"Calling updateSerializedOptions with runtimeValues whose inserted values cannot be serialized by the mapper (e.g. objects that were mutated into non-string values), or an internal mapper/IOException during writeValueAsString.","commonSituations":"Extending/overriding the options update logic and inserting non-String entries into the ObjectNode; an ObjectMapper configured with a failing module; disk/IO-backed writer variants failing mid-write.","solutions":["Ensure runtimeValues values are simple JSON-serializable strings before calling.","Inspect the wrapped IOException cause; fix whatever it reports.","Use the default PipelineOptionsFactory.MAPPER configuration, not a custom one with unsupported modules.","Retry after verifying the original root object was produced by the SDK serializer."],"exampleFix":"// before\nMap<String, String> values = Map.of(\"input\", new File(path)); // wrong type\n\n// after\nMap<String, String> values = Map.of(\"input\", path);","handlingStrategy":"validation","validationCode":"values.forEach((k, v) -> { if (!(v instanceof String)) throw new IllegalArgumentException(\"runtime value not a String: \" + k); });","typeGuard":null,"tryCatchPattern":"try { return ValueProviders.updateSerializedOptions(opts, values); }\ncatch (RuntimeException e) { log.error(\"options re-serialization failed\", e.getCause()); throw e; }","preventionTips":["Keep runtimeValues strictly Map<String, String>","Use the default PipelineOptionsFactory.MAPPER, no exotic modules","Round-trip test: serialize then updateSerializedOptions in a unit test"],"tags":["json","serialization","pipeline-options"],"backgroundTag":"json-serialization-failed","analyzedSha":"12126d8942aaf848030c478b4c6a28c6af861c66","analyzedAt":"2026-09-13T01:50:10.254Z","contentChangedAt":"2026-09-13T01:50:10.254Z","schemaVersion":2},"datasetVersion":"2026-09-14T16:17:12.679Z"}