[jira] [Created] (PDFBOX-2200) Memory leak with org.apache.pdfbox.pdmodel.font.PDFont#cmapObjects

["Matthew Buckett (JIRA)" <ji...@apache.org>]

Matthew Buckett created PDFBOX-2200:
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             Summary: Memory leak with org.apache.pdfbox.pdmodel.font.PDFont#cmapObjects
                 Key: PDFBOX-2200
                 URL: https://issues.apache.org/jira/browse/PDFBOX-2200
             Project: PDFBox
          Issue Type: Bug
          Components: PDModel
    Affects Versions: 1.8.6
            Reporter: Matthew Buckett


We use Tika to extract text from a large number (10,000+) of PDFs in a long running JVM, after doing this for a while we started running short of heap space. A heap dump shows that about 717MB of heap is retained through org.apache.pdfbox.pdmodel.font.PDFont#cmapObjects and the hashmap has 18001 entries.

PDFBOX-1009 looked to partially address this but it appears the symptons are still present. As a workaround I'm going to manually call             PDFont.clearResources() after indexing each document to prevent this happening, but it would be better if I didn't have to.



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