3e3fff08e1
The conformance subcommand had duplicate short options (-s) for both --suite and --sdk, causing the CLI reference generator to panic with "Short option names must be unique". Changed --sdk short option from -s to -k (matching the CI workflow convention). This allows the gen-cli-reference binary to run and the CI cli-ref-gen gate to function correctly. Also regenerated mdBook build output including the new cli-reference.html. Closes pdftract-1j0f8. Verification: notes/pdftract-1j0f8.md.
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<h1 id="troubleshooting"><a class="header" href="#troubleshooting">Troubleshooting</a></h1>
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<p>This guide maps common pdftract failures to their causes and fixes. Each error is associated with a <strong>diagnostic code</strong> that appears in extraction output (see <code>diagnostics</code> in the JSON response or CLI stderr).</p>
|
||
<blockquote>
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||
<p><strong>For the authoritative diagnostic code catalog</strong>, see the <a href="./troubleshooting/diagnostics.html">Diagnostics Reference</a>.</p>
|
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</blockquote>
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<h2 id="symptom--diagnostic-lookup"><a class="header" href="#symptom--diagnostic-lookup">Symptom → Diagnostic Lookup</a></h2>
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<div class="table-wrapper">
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<table>
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<thead>
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||
<tr><th>Symptom</th><th>Likely Diagnostic Code</th></tr>
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||
</thead>
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||
<tbody>
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<tr><td>PDF won’t open, “encrypted” error</td><td><code>ENCRYPTION_UNSUPPORTED</code></td></tr>
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<tr><td>Text extraction incomplete or missing</td><td><code>XREF_REPAIRED</code>, <code>OCR_*_UNSUPPORTED</code></td></tr>
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<tr><td>Process hangs or runs very long</td><td><code>STREAM_BOMB</code></td></tr>
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<tr><td>“Path outside root” (MCP mode)</td><td><code>MCP_PATH_TRAVERSAL</code></td></tr>
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<tr><td>Cache errors / corrupted entries</td><td><code>CACHE_ENTRY_CORRUPT</code>, <code>CACHE_INTEGRITY_FAIL</code></td></tr>
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<tr><td>Profile fails to load</td><td><code>PROFILE_INVALID</code>, <code>PROFILE_SECRETS_FORBIDDEN</code></td></tr>
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<tr><td>Remote URL fetch blocked</td><td><code>URL_PRIVATE_NETWORK</code></td></tr>
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<tr><td>Requested page doesn’t exist</td><td><code>PAGE_OUT_OF_RANGE</code></td></tr>
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<tr><td>Text contains placeholder characters (⍰)</td><td><code>GLYPH_UNMAPPED</code></td></tr>
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<tr><td>Broken vector graphics not recovered</td><td><code>BROKENVECTOR_OCR_UNAVAILABLE</code></td></tr>
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<tr><td>JavaScript warning in output</td><td><code>JAVASCRIPT_PRESENT</code></td></tr>
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<tr><td>Circular reference warnings</td><td><code>STRUCT_CIRCULAR_REF</code>, <code>STRUCT_XOBJECT_CYCLE</code></td></tr>
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<tr><td>Stack overflow warnings</td><td><code>GSTATE_STACK_OVERFLOW</code></td></tr>
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</tbody>
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</table>
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</div>
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<hr>
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<h2 id="xref_repaired-warning"><a class="header" href="#xref_repaired-warning">XREF_REPAIRED warning</a></h2>
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<p><strong>What it means</strong>: pdftract found the PDF’s cross-reference table was corrupt and ran the forward-scan fallback (Phase 1.3) to recover.</p>
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<p><strong>Cause</strong>: PDF created or transmitted with truncation or corruption. The <code>startxref</code> offset points outside the file, or the xref table is malformed.</p>
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<p><strong>Fix</strong>: Usually no action needed; extraction succeeds with the recovered xref. Output may be incomplete on truncated files. If extraction fails, the PDF is unsalvageable.</p>
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<p><strong>Severity</strong>: info (extraction continues)</p>
|
||
<hr>
|
||
<h2 id="stream_bomb-error"><a class="header" href="#stream_bomb-error">STREAM_BOMB error</a></h2>
|
||
<p><strong>What it means</strong>: A compressed stream exceeded the decompression size limit (default: 512 MB).</p>
|
||
<p><strong>Cause</strong>: A hostile PDF with a “compression bomb” — a small stream that expands to multi-GB size (e.g., 10 KB → 2 GB). This is a common security exploit pattern.</p>
|
||
<p><strong>Fix</strong>:</p>
|
||
<ul>
|
||
<li>If the PDF is <strong>trusted</strong>: Increase the limit with <code>--max-decompress-gb 2</code> (or higher)</li>
|
||
<li>If the PDF is <strong>untrusted</strong>: Treat as a hostile file; do not process</li>
|
||
</ul>
|
||
<p><strong>Severity</strong>: error (stream aborted; partial extraction returned)</p>
|
||
<hr>
|
||
<h2 id="encryption_unsupported-fatal"><a class="header" href="#encryption_unsupported-fatal">ENCRYPTION_UNSUPPORTED fatal</a></h2>
|
||
<p><strong>What it means</strong>: The PDF is encrypted with an unsupported handler or the wrong password.</p>
|
||
<p><strong>Cause</strong>:</p>
|
||
<ul>
|
||
<li>PDF encrypted with an unknown handler (e.g., Adobe LiveCycle policy server)</li>
|
||
<li>PDF password-protected but no password (or wrong password) supplied</li>
|
||
</ul>
|
||
<p><strong>Fix</strong>:</p>
|
||
<pre><code class="language-bash"># Supply password via environment variable
|
||
export PDFTRACT_PASSWORD="your-password"
|
||
pdftract extract document.pdf
|
||
|
||
# Or via stdin
|
||
echo "your-password" | pdftract extract --password-stdin document.pdf
|
||
</code></pre>
|
||
<p>If the handler is unsupported (e.g., Adobe LiveCycle), use an Adobe-side decryption tool first, or a dedicated password recovery tool like <code>pdfcrack</code> or <code>john</code>.</p>
|
||
<p><strong>Severity</strong>: fatal (process exits with code 3)</p>
|
||
<hr>
|
||
<h2 id="ocr_jbig2_unsupported--ocr_jpx_unsupported--ocr_ccitt_unsupported-warning"><a class="header" href="#ocr_jbig2_unsupported--ocr_jpx_unsupported--ocr_ccitt_unsupported-warning">OCR_JBIG2_UNSUPPORTED / OCR_JPX_UNSUPPORTED / OCR_CCITT_UNSUPPORTED warning</a></h2>
|
||
<p><strong>What it means</strong>: A page contains an image that requires a decoder not available in the current build.</p>
|
||
<p><strong>Cause</strong>:</p>
|
||
<ul>
|
||
<li><code>OCR_JBIG2_UNSUPPORTED</code>: JBIG2-encoded image (rare)</li>
|
||
<li><code>OCR_JPX_UNSUPPORTED</code>: JPEG 2000-encoded image</li>
|
||
<li><code>OCR_CCITT_UNSUPPORTED</code>: CCITT fax-encoded image</li>
|
||
</ul>
|
||
<p><strong>Fix</strong>:</p>
|
||
<pre><code class="language-bash"># Build with full-render feature (enables all decoders via PDFium)
|
||
cargo build --release --features full-render
|
||
|
||
# Or install system libraries:
|
||
# - JPX: install libopenjp2
|
||
# - CCITT: install libtiff
|
||
</code></pre>
|
||
<p><strong>Severity</strong>: warn (page skipped from OCR; extraction continues)</p>
|
||
<hr>
|
||
<h2 id="brokenvector_ocr_unavailable-warning"><a class="header" href="#brokenvector_ocr_unavailable-warning">BROKENVECTOR_OCR_UNAVAILABLE warning</a></h2>
|
||
<p><strong>What it means</strong>: A page contains broken vector graphics that could be recovered via OCR, but the OCR feature is disabled.</p>
|
||
<p><strong>Cause</strong>: Build was compiled without the <code>ocr</code> feature.</p>
|
||
<p><strong>Fix</strong>: Rebuild with OCR enabled:</p>
|
||
<pre><code class="language-bash">cargo build --release --features ocr
|
||
</code></pre>
|
||
<p><strong>Severity</strong>: warn (broken vector graphics not recovered; extraction continues)</p>
|
||
<hr>
|
||
<h2 id="mcp_path_traversal--path_outside_root-error"><a class="header" href="#mcp_path_traversal--path_outside_root-error">MCP_PATH_TRAVERSAL / PATH_OUTSIDE_ROOT error</a></h2>
|
||
<p><strong>What it means</strong>: (MCP mode) The requested path escapes the <code>--root</code> directory boundary.</p>
|
||
<p><strong>Cause</strong>: A tool call attempted path traversal (e.g., <code>../../etc/passwd</code>).</p>
|
||
<p><strong>Fix</strong>:</p>
|
||
<ul>
|
||
<li>Adjust the requested path to stay within <code>--root</code></li>
|
||
<li>Or restart the MCP server without <code>--root</code> restriction (not recommended for multi-tenant deployments)</li>
|
||
</ul>
|
||
<p><strong>Severity</strong>: error (request rejected)</p>
|
||
<hr>
|
||
<h2 id="url_private_network-error"><a class="header" href="#url_private_network-error">URL_PRIVATE_NETWORK error</a></h2>
|
||
<p><strong>What it means</strong>: Remote fetch blocked because the URL targets a private network address.</p>
|
||
<p><strong>Cause</strong>: URL targets localhost, private IP ranges (RFC 1918), or link-local addresses. This is an SSRF (Server-Side Request Forgery) protection.</p>
|
||
<p><strong>Fix</strong>:</p>
|
||
<pre><code class="language-bash"># If you trust the URL, allow private networks:
|
||
pdftract extract --allow-private-networks https://internal-server/docs.pdf
|
||
</code></pre>
|
||
<p><strong>Severity</strong>: error (request rejected with HTTP 400 in serve mode)</p>
|
||
<hr>
|
||
<h2 id="cache_entry_corrupt-warning"><a class="header" href="#cache_entry_corrupt-warning">CACHE_ENTRY_CORRUPT warning</a></h2>
|
||
<p><strong>What it means</strong>: A cache entry failed integrity verification.</p>
|
||
<p><strong>Cause</strong>: Cache file corruption (disk error, concurrent write, etc.).</p>
|
||
<p><strong>Fix</strong>: None needed — the entry is automatically deleted and extraction re-runs. If this recurs frequently, check your disk filesystem.</p>
|
||
<p><strong>Severity</strong>: warn (entry deleted; extraction re-runs)</p>
|
||
<hr>
|
||
<h2 id="cache_integrity_fail-diagnostic"><a class="header" href="#cache_integrity_fail-diagnostic">CACHE_INTEGRITY_FAIL diagnostic</a></h2>
|
||
<p><strong>What it means</strong>: A cache entry’s HMAC verification failed, indicating potential cache poisoning.</p>
|
||
<p><strong>Cause</strong>: Malicious co-tenant wrote a forged cache entry (multi-user cache scenarios), or disk corruption.</p>
|
||
<p><strong>Fix</strong>: The entry is treated as a cache miss and extraction re-runs. In multi-user environments, ensure per-user cache directories or verify cache permissions.</p>
|
||
<p><strong>Severity</strong>: warn (entry rejected; extraction re-runs)</p>
|
||
<hr>
|
||
<h2 id="profile_invalid--profile_secrets_forbidden-error"><a class="header" href="#profile_invalid--profile_secrets_forbidden-error">PROFILE_INVALID / PROFILE_SECRETS_FORBIDDEN error</a></h2>
|
||
<p><strong>What it means</strong>: Profile YAML failed validation.</p>
|
||
<p><strong>Cause</strong>:</p>
|
||
<ul>
|
||
<li><code>PROFILE_INVALID</code>: YAML syntax error or schema violation</li>
|
||
<li><code>PROFILE_SECRETS_FORBIDDEN</code>: Profile contains secret-keyword keys (<code>password:</code>, <code>token:</code>, <code>secret:</code>, <code>api_key:</code>)</li>
|
||
</ul>
|
||
<p><strong>Fix</strong>:</p>
|
||
<pre><code class="language-bash"># For schema errors, check the YAML syntax:
|
||
pdftract profile show --profile-path your-profile.yaml
|
||
|
||
# For secrets errors, remove secret keys from the profile.
|
||
# Secrets should be passed via environment variables, not profiles.
|
||
</code></pre>
|
||
<p><strong>Severity</strong>: error (profile rejected)</p>
|
||
<hr>
|
||
<h2 id="page_out_of_range-warning"><a class="header" href="#page_out_of_range-warning">PAGE_OUT_OF_RANGE warning</a></h2>
|
||
<p><strong>What it means</strong>: The <code>--pages</code> argument exceeds the document’s actual page count.</p>
|
||
<p><strong>Cause</strong>: Page range specified (e.g., <code>--pages 1-100</code>) on a document with fewer pages (e.g., 10 pages).</p>
|
||
<p><strong>Fix</strong>: Adjust the <code>--pages</code> argument to the actual page count:</p>
|
||
<pre><code class="language-bash"># First, get the page count:
|
||
pdftract inspect document.json | jq '.page_count'
|
||
|
||
# Then extract with a valid range:
|
||
pdftract extract --pages 1-10 document.pdf
|
||
</code></pre>
|
||
<p><strong>Severity</strong>: warn (pages clamped to available range)</p>
|
||
<hr>
|
||
<h2 id="glyph_unmapped-warning"><a class="header" href="#glyph_unmapped-warning">GLYPH_UNMAPPED warning</a></h2>
|
||
<p><strong>What it means</strong>: A glyph could not be resolved by any of the four encoding levels.</p>
|
||
<p><strong>Cause</strong>: Font encoding corruption, missing font embedding, or non-standard encoding.</p>
|
||
<p><strong>Fix</strong>: Output contains the Unicode replacement character (⍰). No direct fix; consider re-saving the PDF through a normalizing tool (e.g., Adobe Acrobat, qpdf).</p>
|
||
<p><strong>Severity</strong>: warn (character replaced with U+FFFD; extraction continues)</p>
|
||
<hr>
|
||
<h2 id="javascript_present-info"><a class="header" href="#javascript_present-info">JAVASCRIPT_PRESENT info</a></h2>
|
||
<p><strong>What it means</strong>: PDF contains embedded JavaScript (in <code>/AA</code>, <code>/OpenAction</code>, or <code>/JS</code> entries).</p>
|
||
<p><strong>Cause</strong>: PDF includes JavaScript actions (common in forms, interactive documents).</p>
|
||
<p><strong>Fix</strong>: None needed for extraction — pdftract NEVER executes embedded JavaScript. JavaScript actions are surfaced in <code>metadata.javascript_actions[]</code> for downstream review.</p>
|
||
<p><strong>Severity</strong>: info (JavaScript is not executed)</p>
|
||
<hr>
|
||
<h2 id="struct_circular_ref--struct_xobject_cycle--gstate_stack_overflow-warning"><a class="header" href="#struct_circular_ref--struct_xobject_cycle--gstate_stack_overflow-warning">STRUCT_CIRCULAR_REF / STRUCT_XOBJECT_CYCLE / GSTATE_STACK_OVERFLOW warning</a></h2>
|
||
<p><strong>What it means</strong>: PDF contains circular references or malformed content streams.</p>
|
||
<p><strong>Cause</strong>:</p>
|
||
<ul>
|
||
<li><code>STRUCT_CIRCULAR_REF</code>: Indirect object reference cycle</li>
|
||
<li><code>STRUCT_XOBJECT_CYCLE</code>: XObject (image/form) reference cycle</li>
|
||
<li><code>GSTATE_STACK_OVERFLOW</code>: Graphics state stack exceeds depth limit</li>
|
||
</ul>
|
||
<p><strong>Fix</strong>: Usually no action needed — pdftract breaks cycles at the second visit (or depth 20 for XObjects). If output is incomplete, investigate the source PDF for a producer bug.</p>
|
||
<p><strong>Severity</strong>: warn (cycle broken; extraction continues)</p>
|
||
<hr>
|
||
<h2 id="remote_fetch_interrupted-error"><a class="header" href="#remote_fetch_interrupted-error">REMOTE_FETCH_INTERRUPTED error</a></h2>
|
||
<p><strong>What it means</strong>: Remote fetch was interrupted (network timeout, connection reset, etc.).</p>
|
||
<p><strong>Cause</strong>: Network connectivity issues, server timeout, or premature connection close.</p>
|
||
<p><strong>Fix</strong>: Retry the request; check network connectivity:</p>
|
||
<pre><code class="language-bash"># Retry with increased timeout:
|
||
pdftract extract --timeout-seconds 120 https://example.com/document.pdf
|
||
</code></pre>
|
||
<p><strong>Severity</strong>: error (request aborted)</p>
|
||
<hr>
|
||
<h2 id="remote_no_range_support-warning"><a class="header" href="#remote_no_range_support-warning">REMOTE_NO_RANGE_SUPPORT warning</a></h2>
|
||
<p><strong>What it means</strong>: Remote server does not support HTTP Range requests.</p>
|
||
<p><strong>Cause</strong>: Server lacks <code>Accept-Ranges</code> header or returns 206 Unsupported.</p>
|
||
<p><strong>Fix</strong>: None needed — pdftract falls back to whole-file download. For large files, consider hosting on a Range-supporting server.</p>
|
||
<p><strong>Severity</strong>: warn (fallback to whole-file download)</p>
|
||
<hr>
|
||
<h2 id="tagged_pdf_struct_tree_deferred-info"><a class="header" href="#tagged_pdf_struct_tree_deferred-info">TAGGED_PDF_STRUCT_TREE_DEFERRED info</a></h2>
|
||
<p><strong>What it means</strong>: Tagged PDF structure tree extraction is deferred in this version.</p>
|
||
<p><strong>Cause</strong>: Phase 7.1 (full structure tree extraction) is not yet implemented.</p>
|
||
<p><strong>Fix</strong>: None needed — this is a temporary fallback. Structure tree extraction will be added in v1.0.0.</p>
|
||
<p><strong>Severity</strong>: info (structure tree not extracted)</p>
|
||
<hr>
|
||
<h2 id="getting-help"><a class="header" href="#getting-help">Getting Help</a></h2>
|
||
<p>If you encounter a diagnostic code not listed here, or the suggested fix doesn’t resolve your issue:</p>
|
||
<ol>
|
||
<li><strong>Check the <a href="./troubleshooting/diagnostics.html">Diagnostics Reference</a></strong> for the full catalog</li>
|
||
<li><strong>Search existing issues</strong> on <a href="https://github.com/jedarden/pdftract/issues">GitHub</a></li>
|
||
<li><strong>Open a new issue</strong> with:
|
||
<ul>
|
||
<li>The diagnostic code(s)</li>
|
||
<li>A minimal reproducible example (PDF or command)</li>
|
||
<li>The <code>--debug</code> output if safe to share</li>
|
||
</ul>
|
||
</li>
|
||
</ol>
|
||
<h2 id="related-documentation"><a class="header" href="#related-documentation">Related Documentation</a></h2>
|
||
<ul>
|
||
<li><a href="./troubleshooting/diagnostics.html">Diagnostics Reference</a> — Full diagnostic code catalog</li>
|
||
<li><a href="./faq.html">FAQ</a> — Common questions and answers</li>
|
||
<li><a href="./advanced/ocr.html">Advanced: OCR Configuration</a> — OCR troubleshooting details</li>
|
||
</ul>
|
||
|
||
</main>
|
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