Grant Ingersoll created LUCENE-5160: ---------------------------------------
Summary: NIOFSDirectory, SimpleFSDirectory (others?) don't properly handle valid file and FileChannel read conditions Key: LUCENE-5160 URL: https://issues.apache.org/jira/browse/LUCENE-5160 Project: Lucene - Core Issue Type: Bug Affects Versions: 4.4, 5.0 Reporter: Grant Ingersoll Around line 190 of NIOFSDirectory, the loop to read in bytes doesn't properly handle the -1 condition that can be returned from FileChannel.read(). If it returns -1, then it will move the file pointer back and you will enter an infinite loop. SimpleFSDirectory displays the same characteristics, although I have only seen the issue on NIOFSDirectory. The code in question from NIOFSDirectory: {code} try { while (readLength > 0) { final int limit; if (readLength > chunkSize) { // LUCENE-1566 - work around JVM Bug by breaking // very large reads into chunks limit = readOffset + chunkSize; } else { limit = readOffset + readLength; } bb.limit(limit); int i = channel.read(bb, pos); pos += i; readOffset += i; readLength -= i; } {code} -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org