[jira] [Created] (LUCENE-6886) IndexWriter gets angry at leftover temp files (e.g. from BKD)

["Michael McCandless (JIRA)" <ji...@apache.org>]

Michael McCandless created LUCENE-6886:
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             Summary: IndexWriter gets angry at leftover temp files (e.g. from BKD)
                 Key: LUCENE-6886
                 URL: https://issues.apache.org/jira/browse/LUCENE-6886
             Project: Lucene - Core
          Issue Type: Bug
            Reporter: Michael McCandless
            Assignee: Michael McCandless
             Fix For: Trunk


I was trying to run performance test for the new dimensional values and hit this crazy exception:

{noformat}
Exception in thread "main" java.lang.NumberFormatException: For input string: "5976285795"
  at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
  at java.lang.Integer.parseInt(Integer.java:583)
  at org.apache.lucene.index.IndexFileDeleter.inflateGens(IndexFileDeleter.java:287)
  at org.apache.lucene.index.IndexFileDeleter.<init>(IndexFileDeleter.java:217)
  at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:935)
  at perf.IndexAndSearchOpenStreetMaps.createIndex(IndexAndSearchOpenStreetMaps.java:64)
  at perf.IndexAndSearchOpenStreetMaps.main(IndexAndSearchOpenStreetMaps.java:162)
{noformat}

It happened because I killed my indexing process while BKD was writing temp files.  On starting up again, IW would have removed these unreferenced files, except inflateGens got confused by their names.

This bug only happens on trunk.




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