ErrLookup › opendataloader-project/opendataloader-pdf

opendataloader-project/opendataloader-pdf

PDF Parser for AI-ready data. Automate PDF accessibility. Open-source. · Java · 142 source files

Analyzed at a7789b8e77 on 2026-08-14. 86 documented errors.

Code / MessageTypeSeverityTags
Cannot use the temporary directory
exception critical environment, temp-dir, io, permissions, container, configuration
' ' is not a valid PDF file (corrupted or truncated…
validation error pdf-validation, corrupt-input, verapdf, ioexception, invalidpdffileexception
Invalid timeout value
exception error cli, hybrid-timeout, validation, numeric, integer-overflow
Failed to convert
exception error async, exception-wrapping, hancom, hybrid, completable-future
Parallel page processing failed
exception error parallel, forkjoinpool, threadlocal, pdf-processing, wrapper-exception
Unsupported hybrid backend
exception error configuration, validation, hybrid
Unknown hybrid backend
validation error configuration, validation, hybrid, factory, programming-error
Hybrid server is not available at
exception critical network, hancom, hybrid, connectivity, configuration
Backend processing failed and fallback is disabled
exception error hybrid, backend, fallback, network, ioexception
Invalid regionlistStrategy
validation error configuration, validation, hybrid, regionlist, enum
' ' is encrypted; tagged-pdf conversion is not supported…
exception error pdf, encryption, tagged-pdf, accessibility, security
OCR engine ' ' is not supported in hybrid local mode…
validation error hybrid, ocr, denylist, config, security, valueerror, python
Option --image-format requires a value. Supported values…
exception error cli, image-format, validation, argument-parsing
pdf2img PAGE_PNG_DATA is not a readable image
exception error network, image-processing, hancom-ai, hybrid, base64
Options --hybrid-hancom-ai-* require --hybrid=hancom-ai
validation error cli, config, validation, hybrid, hancom-ai
Option --hybrid-mode requires a value. Supported values
exception error cli, hybrid-mode, validation, argument-parsing
Unsupported image output mode
exception error configuration, validation, image-output
Option -- : unsupported value ' '. Supported values
exception error cli, hybrid, hancom-ai, validation, enum-value
Backend processing failed for
exception error hybrid, backend, partial-failure, fallback, pages
Invalid upload response: missing data field
exception error hancom, json-parsing, upload, hybrid, api-contract
Invalid ocrStrategy: (expected off, auto, or force)
validation error configuration, validation, hybrid, ocr, enum
Conversion completed but no
exception error mcp, output-naming, stem-mismatch, subprocess, python
{f}: {e}
exception error lint, skill, config, permissions, configerror, ioerror, python
no SKILL.md found under
validation error lint, skill, config, configerror, validation, python
Option --format requires at least one value. Supported…
exception error cli, format, validation, argument-parsing
Azure Document Intelligence backend is not yet implemented
exception error hybrid, factory, not-implemented, azure, unsupported
Unsupported image format
exception error cli, image-format, validation, enum-value
Empty response body from upload
exception error network, http, hancom, upload, hybrid, protocol-error
Option -- : unsupported value ' '. Supported values…
validation error cli, hybrid, hancom-ai, validation, enum-value
Unknown ocr_engine ' ': \nAvailable engines
validation error hybrid, ocr, docling, config, valueerror, python
pdf2img PAGE_PNG_DATA is not valid Base64
exception error hybrid, hancom-ai, pdf2img, base64, response-parsing
Conversion completed but no output file was generated.
exception error mcp, subprocess, empty-output, oom, runtime, python
Google Document AI backend is not yet implemented
exception error hybrid, factory, not-implemented, google, unsupported
Option --content-safety-off requires at least one value…
exception error cli, content-safety, validation, argument-parsing
Option --table-method requires a value. Supported values
exception error cli, table-method, validation, argument-parsing
Failed to convert via Hancom AI
exception error hybrid, hancom-ai, async, completable-future
Page image fetcher returned null for page
exception error hybrid, image-cache, null-check
Option --threads requires an integer >= 1, got
exception error configuration, validation, cli, threads
threads must be >= 1, got
exception error configuration, validation, threads, parallelism
Unsupported table method
exception error configuration, validation, table-detection
Hancom AI server at returned HTTP
exception error network, hybrid, hancom-ai, health-check, http-status
Option -- : unsupported value ' '. Supported values
exception error cli, hybrid, hancom-ai, ocr, validation, enum-value
No ImageIO writer accepted PNG output for page
exception error image-io, png, classpath, hybrid, jre
Missing dependencies
exception error hybrid, dependencies, install, importerror, python
Option --hybrid requires a value. Supported values
exception error cli, hybrid, validation, argument-parsing
Unsupported hybrid backend
validation error hybrid, config, illegalargument, backend, validation
Unsupported format ' '. Supported values: json, text, html…
exception error cli, format, validation, enum-value, case-sensitive
Timeout must be non-negative
validation error configuration, validation, hybrid, timeout, programming-error
Hancom AI server is not available at
exception error network, hybrid, hancom-ai, connection, health-check
Hybrid backend type cannot be null or empty
validation error configuration, validation, hybrid, factory, programming-error
Found multiple JAR files, expected one
exception error build, hatch, maven, jar, packaging, stale-artifacts
Hybrid server at returned HTTP during health check. The…
exception error network, hybrid, docling-fast, health-check, http-status
' ' is not a valid PDF file (missing %PDF- header).
validation error pdf-validation, magic-number, corrupt-input, invalidpdffileexception
Option --space-ratio requires valid double value.
exception error configuration, validation, cli, space-ratio, parsing, locale
Invalid response: missing 'document' field
exception error hybrid, docling-fast, response-parsing, schema
Input file not found
validation error mcp, file-not-found, path, validation, python
Invalid imageCache: (expected "memory" or "disk")
validation error configuration, validation, hybrid, cache, enum
Option --image-resolution requires a finite positive double…
exception error cli, image-resolution, validation, numeric
Option --threads requires an integer >= 1, got
exception error configuration, validation, cli, threads, parsing
Hancom upload failed with status
exception error network, http, hancom, upload, hybrid
Hancom visualinfo failed with status
exception error network, http, hancom, visualinfo, hybrid
Unsupported value ' '. Supported values: all, hidden-text…
exception error cli, content-safety, validation, enum-value
Could not find the JAR file. Please run 'mvn package' in…
exception error build, hatch, maven, jar, packaging
Hybrid server is not available at
exception error network, hybrid, docling-fast, connection, health-check
pdf2img returned HTTP
exception error network, hybrid, hancom-ai, pdf2img, http-status
Hancom AI DOCUMENT_LAYOUT_WITH_OCR returned empty result —…
exception error hybrid, hancom-ai, backend-error, pipeline
Docling Fast Server request failed with status
exception error network, hybrid, docling-fast, http-status, convert
Max concurrent requests must be positive
validation error configuration, validation, hybrid, concurrency, programming-error
Option --image-resolution requires valid double value.
exception error cli, image-resolution, validation, numeric, locale
Invalid upload response: missing fileId in data
exception error hancom, json-parsing, upload, hybrid, api-contract
Docling Fast Server processing failed
exception error hybrid, docling-fast, backend-error, response-parsing
Unsupported format: . Supported formats
validation error mcp, format, validation, valueerror, python
Empty response body
exception error hybrid, docling-fast, response-parsing, proxy
pdf2img RESULT is empty
exception error hybrid, hancom-ai, pdf2img, response-parsing
Empty response body from visualinfo
exception error network, http, hancom, visualinfo, hybrid, protocol-error
pdf2img inner RESULT is null
exception error hybrid, hancom-ai, pdf2img, response-parsing, schema
Option --space-ratio requires a finite positive double…
exception error configuration, validation, cli, space-ratio
Invalid page range format
exception error configuration, validation, pages, parsing
pdf2img returned empty body
exception error hybrid, hancom-ai, pdf2img, response-parsing, proxy
Option --image-output requires a value. Supported values
exception error configuration, validation, cli, image-output
Unsupported hybrid mode
exception error cli, hybrid-mode, validation, enum-value
pdf2img PAGE_PNG_DATA is empty
exception error hybrid, hancom-ai, pdf2img, response-parsing
Unsupported reading order
exception error configuration, validation, reading-order
Invalid page range ' ': start page cannot be greater than…
exception error configuration, validation, pages
Unsupported image format
exception error configuration, validation, image-format
Page numbers must be positive
exception error configuration, validation, pages