[OSM-dev] Osmosis Output Error

Andrew Ayre andy at britishideas.com
Wed Dec 10 03:54:43 GMT 2008

Brett Henderson wrote:
> Andrew Ayre wrote:
>> Brett Henderson wrote:
>>> I had a quick play and think I've found the problem.
>>> Firstly, when you receive an error in osmosis, look further down the 
>>> stack trace.  The real reason is almost always in there somewhere.  
>>> Osmosis is multi-threaded so it is difficult to have the real reason 
>>> show up at the start of the error message.  In your case the first 
>>> bit of error was from the input xml readers detecting that the merge 
>>> task had aborted.  The merge task output was further down the error 
>>> messages.
>>> In this case there were two problems:
>>> 1. The data was unsorted.
>>> 2. Some data doesn't appear to have dates attached (I haven't found 
>>> the offending entry yet).
>>> This command line works:
>>> osmosis --rx tile.63255095.osm.gz enableDateParsing=false --sort --rx 
>>> eletile.63255095.osm.gz enableDateParsing=false --sort --merge --wx 
>>> out.osm.gz
>>> It sorts all data before the merge, and ignores all dates in the 
>>> input data (replacing them with current system time).  This is a bit 
>>> of a kludge, ideally the data itself should be fixed to include the 
>>> correct dates but hopefully it points you in the right direction.
>> I have just noticed that in all the merged files the closing </osm> 
>> tag is missing. The file just stops. Could there be also missing data 
>> from the file as well?
> When I merge your two files, the output file has a closing osm tag.  Did 
> osmosis complete successfully?  It should have thrown an exception if 
> something went wrong.
> I'm using a slightly older osmosis (one already installed on my laptop), 
> so perhaps something is different.  I'll test with an up to date version 
> later to make sure.

Yes, it completed with no errors. I ran this on 21 pairs of tiles. I 
randomly checked seven of the merged tiles and they were all missing the 
closing tag.


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