[jira] [Created] (OAK-5991) FileStoreBuilder should print out more helpful error message when buildReadOnly fails

["Robert Munteanu (JIRA)" <ji...@apache.org>]

Robert Munteanu created OAK-5991:
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             Summary: FileStoreBuilder should print out more helpful error message when buildReadOnly fails
                 Key: OAK-5991
                 URL: https://issues.apache.org/jira/browse/OAK-5991
             Project: Jackrabbit Oak
          Issue Type: Improvement
          Components: upgrade
            Reporter: Robert Munteanu
            Priority: Minor
             Fix For: 1.7.0


When running oak-upgrade with an incorrect src argument, the process bails out without an error message:

{noformat}Exception in thread "main" java.lang.IllegalStateException
	at com.google.common.base.Preconditions.checkState(Preconditions.java:134)
	at org.apache.jackrabbit.oak.segment.file.FileStoreBuilder.buildReadOnly(FileStoreBuilder.java:353)
	at org.apache.jackrabbit.oak.upgrade.cli.node.SegmentTarFactory.hasExternalBlobReferences(SegmentTarFactory.java:103)
	at org.apache.jackrabbit.oak.upgrade.cli.node.StoreFactory.hasExternalBlobReferences(StoreFactory.java:67)
	at org.apache.jackrabbit.oak.upgrade.cli.parser.StoreArguments.srcUsesEmbeddedDatastore(StoreArguments.java:113)
	at org.apache.jackrabbit.oak.upgrade.cli.OakUpgrade.migrate(OakUpgrade.java:64)
	at org.apache.jackrabbit.oak.upgrade.cli.OakUpgrade.main(OakUpgrade.java:48){noformat}

With more information the error becomes obvious:

{noformat}Exception in thread "main" java.lang.IllegalStateException: /home/robert/Documents/sources/adobe/cq-quickstart/crx-quickstart/repository/segmentstore/segmentstore does not exist is not a directory
{noformat}



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