Overpass API developpement

[Roland Olbricht <>]

Hi,

> I didn't get much out of the debug file after I tried running the dispatcher, 
> below is my output
>
> [ bvogelgesang@osm-vm:~/mnt/osm-db-disk ]$ $EXEC_DIR/bin/dispatcher 
> --osm-base --db-dir=$DB_DIR
> Segmentation fault (core dumped)
> [ bvogelgesang@osm-vm:~/mnt/osm-db-disk ]$ cat nodes.bin.debug
> DEBUG a
> DEBUG b
> DEBUG A
> DEBUG B
> DEBUG C
>
> Was I supposed to do anything else to populate that file?

It is fine. It is about the size of what I expected and contains the
essential information: the dispatcher crashed within the block

  raw_debug_log(data_file_name + ".debug", "DEBUG C");
  for (typename std::list< File_Block_Index_Entry< TIndex >
>::const_iterator it = blocks.begin();
      it != blocks.end(); ++it)
  {
    for (uint32 i = 0; i < it->size; ++i)
      is_referred[it->pos + i] = true;
  }
  raw_debug_log(data_file_name + ".debug", "DEBUG D");

which is only possible if blocks[i].pos + blocks[i].size > block_count
for some i.

For that reason I have created a more picky version that carefully
checks any inroad for such a situation. Please try that one and tell me
whether it reports any error on startup:
https://dev.overpass-api.de/releases/osm-3s_v0.7.55.rc_1.tar.gz

Best regards,
Roland