ScanTrackingIds reports error(s) when run with more than one thread

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Saša Živkov

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Sep 14, 2011, 9:42:19 AM9/14/11

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We just run the ScanTrackingIds several times and found out that it randomly
produces errors like [1] when run with more than one thread. The Git object it reports
as missing is actually not missing if we check from cgit.

We are (still) on 2.1.8 but I think this is not relevant for this issue.

Saša Živkov

[1]
org.eclipse.jgit.errors.MissingObjectException: Missing unknown 0fdb0c277fc5ec5db585865db21279eea6db4dd9
        at org.eclipse.jgit.storage.file.WindowCursor.open(WindowCursor.java:125)
        at org.eclipse.jgit.lib.ObjectReader.open(ObjectReader.java:228)
        at org.eclipse.jgit.revwalk.RevWalk.parseAny(RevWalk.java:811)
        at org.eclipse.jgit.revwalk.RevWalk.parseCommit(RevWalk.java:724)
        at com.google.gerrit.pgm.ScanTrackingIds.parse(ScanTrackingIds.java:146)
        at com.google.gerrit.pgm.ScanTrackingIds.scan(ScanTrackingIds.java:129)
        at com.google.gerrit.pgm.ScanTrackingIds.access$300(ScanTrackingIds.java:50)
        at com.google.gerrit.pgm.ScanTrackingIds$Worker.run(ScanTrackingIds.java:177)
ERR Cannot scan 2924: Missing unknown 0fdb0c277fc5ec5db585865db21279eea6db4dd9

Nasser Grainawi

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Sep 14, 2011, 10:54:28 AM9/14/11

to Saša Živkov, repo-d...@googlegroups.com

On Sep 14, 2011, at 7:42 AM, Saša Živkov wrote:

We just run the ScanTrackingIds several times and found out that it randomly
produces errors like [1] when run with more than one thread. The Git object it reports
as missing is actually not missing if we check from cgit.

We are (still) on 2.1.8 but I think this is not relevant for this issue.

We've seen that type of error since 2.1.6.1. We haven't been able to track down what causes it.

Nasser

Saša Živkov

[1]
org.eclipse.jgit.errors.MissingObjectException: Missing unknown 0fdb0c277fc5ec5db585865db21279eea6db4dd9
        at org.eclipse.jgit.storage.file.WindowCursor.open(WindowCursor.java:125)
        at org.eclipse.jgit.lib.ObjectReader.open(ObjectReader.java:228)
        at org.eclipse.jgit.revwalk.RevWalk.parseAny(RevWalk.java:811)
        at org.eclipse.jgit.revwalk.RevWalk.parseCommit(RevWalk.java:724)
        at com.google.gerrit.pgm.ScanTrackingIds.parse(ScanTrackingIds.java:146)
        at com.google.gerrit.pgm.ScanTrackingIds.scan(ScanTrackingIds.java:129)
        at com.google.gerrit.pgm.ScanTrackingIds.access$300(ScanTrackingIds.java:50)
        at com.google.gerrit.pgm.ScanTrackingIds$Worker.run(ScanTrackingIds.java:177)
ERR Cannot scan 2924: Missing unknown 0fdb0c277fc5ec5db585865db21279eea6db4dd9

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