Ensure root cause of lock creation failures is logged
Change-Id: I91cdf1e085a29c0aabd6d22c6ebe848b2d75f42c Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
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@ -48,6 +48,7 @@
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import java.io.InputStreamReader;
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import java.io.PrintStream;
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import java.nio.charset.Charset;
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import java.nio.file.FileAlreadyExistsException;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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@ -422,7 +423,7 @@ public boolean createNewFile(File lock) throws IOException {
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* An implementation of the File#createNewFile() semantics which can create
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* a unique file atomically also on NFS. If the config option
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* {@code core.supportsAtomicCreateNewFile = true} (which is the default)
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* then simply File#createNewFile() is called.
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* then simply Files#createFile() is called.
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*
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* But if {@code core.supportsAtomicCreateNewFile = false} then after
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* successful creation of the lock file a hard link to that lock file is
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@ -443,14 +444,17 @@ public boolean createNewFile(File lock) throws IOException {
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*/
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@Override
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public LockToken createNewFileAtomic(File file) throws IOException {
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if (!file.createNewFile()) {
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Path path;
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try {
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path = file.toPath();
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Files.createFile(path);
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} catch (FileAlreadyExistsException e) {
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return token(false, null);
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}
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if (supportsAtomicCreateNewFile() || !supportsUnixNLink) {
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return token(true, null);
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}
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Path link = null;
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Path path = file.toPath();
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try {
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link = Files.createLink(Paths.get(uniqueLinkPath(file)), path);
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Integer nlink = (Integer) (Files.getAttribute(path,
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