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https://issues.apache.org/jira/browse/OAK-4473?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Julian Sedding resolved OAK-4473.
---------------------------------
Resolution: Duplicate
> MarkSweepGarbageCollector#saveBatchToFile should escape IDs
> -----------------------------------------------------------
>
> Key: OAK-4473
> URL: https://issues.apache.org/jira/browse/OAK-4473
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: core
> Affects Versions: 1.0.31, 1.4.3, 1.5.3, 1.2.16
> Reporter: Julian Sedding
> Assignee: Julian Sedding
>
> Datastore garbage collection (DS GC) can fail if it encounters IDs containing
> backslashes. This can happen e.g. when a file gets uploaded and by mistake
> it's absolute (windows) path is stored as file name.
> This is because IDs are written to temporary files and then sorted. The
> sorting algorithm assumes the lines to be escaped and throws an exception
> otherwise.
> {noformat}
> org.apache.jackrabbit.oak.plugins.blob.MarkSweepGarbageCollector Blob garbage
> collection error
> java.lang.IllegalArgumentException: Unexpected char [J] found at 78 of
> [92c3bcd2270655a9c911bec9f7a4851860f05c79#553941,/content/dam/\\MAPPED_DRIVE\JOHN$\ABC.pdf].
> Expected '\' or 'r' or 'n
> at
> org.apache.jackrabbit.oak.commons.sort.EscapeUtils.unescape(EscapeUtils.java:126)
> at
> org.apache.jackrabbit.oak.commons.sort.EscapeUtils.unescapeLineBreaks(EscapeUtils.java:51)
> at
> org.apache.jackrabbit.oak.commons.sort.ExternalSort.readLine(ExternalSort.java:633)
> at
> org.apache.jackrabbit.oak.commons.sort.ExternalSort.sortInBatch(ExternalSort.java:204)
> at
> org.apache.jackrabbit.oak.commons.sort.ExternalSort.sortInBatch(ExternalSort.java:257)
> at
> org.apache.jackrabbit.oak.commons.sort.ExternalSort.sortInBatch(ExternalSort.java:159)
> at
> org.apache.jackrabbit.oak.plugins.blob.GarbageCollectorFileState.sort(GarbageCollectorFileState.java:147)
> at
> org.apache.jackrabbit.oak.plugins.blob.MarkSweepGarbageCollector.iterateNodeTree(MarkSweepGarbageCollector.java:538)
> at
> org.apache.jackrabbit.oak.plugins.blob.MarkSweepGarbageCollector.mark(MarkSweepGarbageCollector.java:278)
> at
> org.apache.jackrabbit.oak.plugins.blob.MarkSweepGarbageCollector.markAndSweep(MarkSweepGarbageCollector.java:248)
> at
> org.apache.jackrabbit.oak.plugins.blob.MarkSweepGarbageCollector.collectGarbage(MarkSweepGarbageCollector.java:163)
> at
> org.apache.jackrabbit.oak.plugins.blob.BlobGC$1.call(BlobGC.java:87)
> at
> org.apache.jackrabbit.oak.plugins.blob.BlobGC$1.call(BlobGC.java:83)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> {noformat}
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