Scenario:

After 100x sync calls

After ~5 sync status calls

This is returned from the repo status API call:

{
  "id": "eda72e2b-5f83-11e0-8992-545200104e49",
  "progress": {
    "num_success": 7,
    "details": {
      "rpm": {
        "num_success": 7,
        "num_error": 0,
        "size_left": 0,
        "total_size_bytes": 3170837,
        "total_count": 7,
        "items_left": 0
      }
    },
    "error_details": [

    ],
    "item_name": null,
    "status": "FINISHED",
    "num_error": 0,
    "size_left": 0,
    "size_total": 3170837,
    "num_download": 0,
    "step": "Processing Errata",
    "items_left": 0,
    "items_total": 7
  },
  "result": null,
  "status_path": "/pulp/api/repositories/api_test_repo/sync/eda72e2b-5f83-11e0-8992-545200104e49/",
  "scheduled_time": 0,
  "traceback": [
    "Traceback (most recent call last):\n",
    "  File \"/usr/lib/python2.7/site-packages/pulp/server/tasking/task.py\", line 131, in run\n    result = self.callable(*self.args, **self.kwargs)\n",
    "  File \"/usr/lib/python2.7/site-packages/pulp/server/api/repo.py\", line 1524, in _sync\n    self.delete_errata(id, old_errata)\n",
    "  File \"/usr/lib/python2.7/site-packages/pulp/server/api/repo.py\", line 1104, in delete_errata\n    updateinfo.generate_updateinfo(repo)\n",
    "  File \"/usr/lib/python2.7/site-packages/pulp/server/updateinfo.py\", line 163, in generate_updateinfo\n    updateinfo_path)\n",
    "  File \"/usr/lib/python2.7/site-packages/pulp/server/util.py\", line 395, in modify_repo\n    raise ModifyRepoError(out)\n",
    "ModifyRepoError: Traceback (most recent call last):\n  File \"/usr/share/createrepo/modifyrepo.py\", line 145, in <module>\n    repomd = RepoMetadata(sys.argv[2])\n  File \"/usr/share/createrepo/modifyrepo.py\", line 42, in __init__\n    self.doc = minidom.parse(self.repomdxml)\n  File \"/usr/lib64/python2.7/xml/dom/minidom.py\", line 1911, in parse\n    return expatbuilder.parse(file)\n  File \"/usr/lib64/python2.7/xml/dom/expatbuilder.py\", line 924, in parse\n    result = builder.parseFile(fp)\n  File \"/usr/lib64/python2.7/xml/dom/expatbuilder.py\", line 207, in parseFile\n    parser.Parse(buffer, 0)\nxml.parsers.expat.ExpatError: not well-formed (invalid token): line 21, column 273\n"
  ],
  "finish_time": "1302008107",
  "exception": "ModifyRepoError()",
  "state": "error",
  "method_name": "_sync",
  "start_time": "1302008105"
}