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I have just made the transition to Biblatex and Biber and something strange is happening.

I load the biblatex package and it's working normally:


Then I add the bib file:


However, when I compile, I get warnings that an article/bookt etc.. is missing a required field. Here's an example:

article aksin is missing required field year

There are many more of them and all of them are not in my bibliography file. They are actually in a file called biblatex-examples.bib which is stored in:


The file can be obtained from here as well.

These errors do not appear in the log file but only in Eclipse (TeXlipse). Also, the items in that file do not appear in the compiled pdf file! I want to know why is this file being used and how can I stop that. I've got enough warnings to deal with!

Edit: 1- The warnings do not disappear after loading the file using \addbibresource{biblatex-examples.bib}. In fact, the bib file isn't compiled or included at all.

2- This is strange, there is nothing about biber in the log file. However, everything about the bibliography is in the .blg file. Here is what's in that file:

[1] Config.pm:300> INFO - This is Biber 0.9.9
[1] Config.pm:303> INFO - Logfile is 'phdthesis.blg'
[2] biber:145> INFO - === Mon Jun 25, 2012, 21:09:08
[3] Biber.pm:271> INFO - Reading 'phdthesis.bcf'
[38] Biber.pm:586> INFO - Found 52 citekeys in bib section 0
[56] Biber.pm:2585> INFO - Processing bib section 0
[94] Biber.pm:2677> INFO - Looking for bibtex format file './biblist.bib' for section 0
[101] bibtex.pm:833> INFO - Decoding LaTeX character macros into UTF-8
[131] bibtex.pm:837> INFO - Finished Decoding LaTeX character macros into UTF-8
[132] bibtex.pm:708> INFO - Found BibTeX data source './biblist.bib'
[478] Biber.pm:2480> INFO - Sorting list 'MAIN' keys
[479] Biber.pm:2484> INFO - No sort tailoring available for locale 'en_GB.UTF-8'
[746] Biber.pm:2480> INFO - Sorting list 'SHORTHANDS' keys
[747] Biber.pm:2484> INFO - No sort tailoring available for locale 'en_GB.UTF-8'
[869] bbl.pm:427> INFO - Writing 'phdthesis.bbl' with encoding 'UTF-8'
[882] bbl.pm:498> INFO - Output to phdthesis.bbl

3- I deleted all the aux files and tried again. The warnings still appear.

I have a feeling it's a TeXlipse issue, I went and checked for the arguments passed when compiling documents, there was nothing other than %input for bother Biber and BibTex.

Just in case a package related to Biblatex is causing this issue. This is what I load:

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Do the warnings disappear if you add \addbibresource{biblatex-examples.bib} in the line right after your own bibliography? – matth Jun 25 '12 at 6:15
what does your log file say? there should be a message what files are loaded. – Herbert Jun 25 '12 at 6:33
Did you ever use that examples file? Maybe deleting all your aux files could help. – canaaerus Jun 25 '12 at 6:41
I have the suspect that TeXlipse is reading a file in another directory. – egreg Jun 25 '12 at 20:22
up vote 0 down vote accepted


Although the file biblatex-examples.bib is located in:


I found it in TeXlipse project explorer. I don't know how it turned up there. I removed it only from the project explorer and the warnings disappeared.

Maybe the first time biblatex/biber are used, this file is imported automatically in the project. I'll be installing TeXlive on another computer and I'll try it.

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