mirrors/jgit - jgit - source @ dussan.org

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Antonio Barone 24d6d60538 Retry loose object read upon "Stale file handle" exception When reading loose objects over NFS it is possible that the OS syscall would fail with ESTALE errors: This happens when the open file descriptor no longer refers to a valid file. Notoriously it is possible to hit this scenario when git data is shared among multiple clients, for example by multiple gerrit instances in HA. If one of the two clients performs a GC operation that would cause the packing and then the pruning of loose objects, the other client might still hold a reference to those objects, which would cause an exception to bubble up the stack. The Linux NFS FAQ[1] (at point A.10), suggests that the proper way to handle such ESTALE scenarios is to: "[...] close the file or directory where the error occurred, and reopen it so the NFS client can resolve the pathname again and retrieve the new file handle." In case of a stale file handle exception, we now attempt to read the loose object again (up to 5 times), until we either succeed or encounter a FileNotFoundException, in which case the search can continue to Packfiles and alternates. The limit of 5 provides an arbitrary upper bounds that is consistent to the one chosen when handling stale file handles for packed-refs files (see [2] for context). [1] http://nfs.sourceforge.net/ [2] https://git.eclipse.org/r/c/jgit/jgit/+/54350 Bug: 573791 Change-Id: I9950002f772bbd8afeb9c6108391923be9d0ef51		pirms 2 gadiem
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.settings	Remove unused API problem filters	pirms 3 gadiem
META-INF	Prepare 5.9.1-SNAPSHOT builds	pirms 3 gadiem
findBugs	[findBugs] Silence warning about Transport initialization	pirms 11 gadiem
resources/org/eclipse/jgit	Retry loose object read upon "Stale file handle" exception	pirms 2 gadiem
src/org/eclipse/jgit	Retry loose object read upon "Stale file handle" exception	pirms 2 gadiem
.classpath	Change JGit minimum execution environment to JavaSE-1.8	pirms 7 gadiem
.fbprefs	Initial JGit contribution to eclipse.org	pirms 14 gadiem
.gitignore	Finish removing Apache Felix maven-bundle-plugin	pirms 14 gadiem
.project	Revert "Hide Maven target directories from Eclipse"	pirms 13 gadiem
BUILD	Fix stamping to produce stable file timestamps	pirms 3 gadiem
about.html	SHA-1: collision detection support	pirms 7 gadiem
build.properties	Add "resources/" as a source folder	pirms 14 gadiem
plugin.properties	Fix bundle localization of Apache SSH bundle	pirms 4 gadiem
pom.xml	Prepare 5.9.1-SNAPSHOT builds	pirms 3 gadiem