Add or modify:

gs -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sOutputFile=output.pdf input.pdf This rewrites the PDF, removing complex annotations that confuse Tika. Filedotto sometimes caches Tika errors based on filename. Rename the file to document_fixed.pdf and re-upload. Phase 2: Administrative Fixes for Filedotto (Backend) If the problem persists system-wide, apply these proven filedotto tika fixed configurations. Step 5 – Increase Tika Timeout in Filedotto Configuration Locate tika-config.xml inside Filedotto’s installation directory (usually /opt/filedotto/config/ or C:\Program Files\Filedotto\config ).

DELETE FROM tika_cache WHERE last_accessed < NOW() - INTERVAL '30 days'; Then truncate the table only for problematic documents:

Edit filedotto.properties :

: The new PDFs were generated with a Canon scanner using PDF 1.7 with embedded JBIG2 compression, which Tika 1.24 did not support.

Choose “Full rebuild” and uncheck “Use cached Tika results”. This forces Tika to re-parse every document. Filedotto stores extracted text in a cache table ( tika_cache in PostgreSQL or MySQL). Delete stale entries:

java -jar tika-server-standard-2.9.1.jar --port 9998 Then configure Filedotto to use the remote Tika endpoint. This prevents Filedotto’s own memory limits from affecting extraction.