PDF to XML conversion time out for some files in server mode but run the pdfalto_server cmd in shell is fast and returns ok.

[elonzh]

test file:

0cd4f6ed-0006-4b1a-a71d-0db0670050e0.pdf

Service output

org.grobid.core.process.ProcessPdfToXml: pdfalto process finished with error code: 143. 
[
  \\wsl$\Ubuntu\home\elonzh\workspace\grobid\grobid-home\pdfalto\lin-64\pdfalto_server, 
  -fullFontName, 
  -noLineNumbers, 
  -noImage, 
  -annotation, 
  -filesLimit, 2000, 
  /home/elonzh/workspace/grobid/grobid-home/tmp/origin11089783328378169294.pdf, 
  /home/elonzh/workspace/grobid/grobid-home/tmp/QCdS7b3245.lxml
]

Syntax Error (308820): Unknown operator 'd<1d><bd><fc><b2><13><0b><8c>'
Syntax Error (308880): Unknown operator 'D<05><9b>n#<ab><a9><bc><ec><97><af><18><e5><f6><f9>|<b8><bd><df><a5><eb><9a>r@<d7><c7><e7>'
Syntax Error (308881): Illegal character '>'
Syntax Error (308888): Illegal character '>'
Syntax Error (308896): Illegal character <dd> in hex string
...
Syntax Error (319522): Illegal character <fe> in hex string

Shell output

$./grobid-home/pdfalto/lin-64/pdfalto_server 
-fullFontName 
-noLineNumbers 
-noImage 
-annotation 
-filesLimit 2000 
0cd4f6ed-0006-4b1a-a71d-0db0670050e0.pdf

Syntax Error (308820): Unknown operator 'd<1d><bd><fc><b2><13><0b><8c>'
Syntax Error (308880): Unknown operator 'D<05><9b>n#<ab><a9><bc><ec><97><af><18><e5><f6><f9>|<b8><bd><df><a5><eb><9a>r@<d7><c7><e7>'
Syntax Error (308881): Illegal character '>'
Syntax Error (308888): Illegal character '>'
Syntax Error (308896): Illegal character <dd> in hex string
...
Syntax Error (319522): Illegal character <fe> in hex string
...
Syntax Error (320317): Illegal character <9a> in hex string
Syntax Error: Unterminated string
Syntax Error: End of file inside array
Syntax Error: Leftover args in content stream

[kermitt2]

Hi @elonzh !

I think this is a grobid-related issue, that I have fixed a few weeks ago, see https://github.com/kermitt2/grobid/issues/923#issuecomment-1161971179