Jaechang Nam created LUCENE-7584:
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Summary: Potential leak issue
Key: LUCENE-7584
URL: https://issues.apache.org/jira/browse/LUCENE-7584
Project: Lucene - Core
Issue Type: Bug
Reporter: Jaechang Nam
Priority: Trivial
May the following method have a potential leak like LUCENE-3251 when
directory.createOutput(fileName) throws IOException?
(Found the code from the recent code snapshot)
lucene/src/java/org/apache/lucene/index/CompoundFileWriter.java
public void close() throws IOException {
if (merged)
throw new IllegalStateException("Merge already performed");
if (entries.isEmpty())
throw new IllegalStateException("No entries to merge have been
defined");
merged = true;
// open the compound stream
IndexOutput os = directory.createOutput(fileName);
IOException priorException = null;
try {
// Write the Version info - must be a VInt because CFR reads a VInt
// in older versions!
os.writeVInt(FORMAT_CURRENT);
// Write the number of entries
os.writeVInt(entries.size());
// Write the directory with all offsets at 0.
// Remember the positions of directory entries so that we can
// adjust the offsets later
long totalSize = 0;
for (FileEntry fe : entries) {
fe.directoryOffset = os.getFilePointer();
os.writeLong(0); // for now
os.writeString(IndexFileNames.stripSegmentName(fe.file));
totalSize += directory.fileLength(fe.file);
}
// Pre-allocate size of file as optimization --
...
} catch (IOException e) {
priorException = e;
} finally {
IOUtils.closeSafely(priorException, os);
}
}
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