[jira] [Updated] (IVY-1556) IllegalStateException / "impossible to get artifacts when data has not been loaded." with LatestCompatibleConflictManager

["Philipp Stevermann (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IVY-1556?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Philipp Stevermann updated IVY-1556:
------------------------------------
    Attachment: IVY-1556.zip

Minimum failing example

> IllegalStateException / "impossible to get artifacts when data has not been loaded." with LatestCompatibleConflictManager
> -------------------------------------------------------------------------------------------------------------------------
>
>                 Key: IVY-1556
>                 URL: https://issues.apache.org/jira/browse/IVY-1556
>             Project: Ivy
>          Issue Type: Bug
>    Affects Versions: 2.4.0
>         Environment: Ubuntu 14.04.5 LTS
> Oracle JDK 1.6.0_45
> Oracle JDK 1.7.0_80
> Oracle JDK 1.8.0_121
> (optionally Apache Ant 1.9.3)
>            Reporter: Philipp Stevermann
>         Attachments: IVY-1556.zip
>
>
> Under certain circumstances, Ivy's resolve using the LatestCompatibleConflictManager does abort with a message describing the conflict it encountered, but leaves sone IvyNodes without ModuleDescriptors, causing an IllegalStateException (at org.apache.ivy.core.resolve.IvyNode.getArtifacts(IvyNode.java:811)). (I have not been able to figure out exactly which circumstances are necessary.) This makes finding the conflict more difficult than necessary.
> h3. Steps to reproduce the problem
> # Unpack the attached example
> # Open a shell in the example's top folder
> # Execute ant (tested with Ant 1.9.3) or (if you Ivy cache is clean) java -jar ivy-2.4.0.jar -settings ivysettings.xml
> h3. Expected output
> {code}test-org#target-module;1.8.8 (needed by [test-org#intermediate-module;1.0.0]) conflicts with test-org#target-module;1.3.+ (needed by [test-org#source-module;1.0.0]){code} or similar
> h3. Actual output
> {code}impossible to get artifacts when data has not been loaded. IvyNode = test-org#other-module;1.0.0{code}
> Please note that the example might not work/fail on all Ivy installations and is sensitive to changes in most ivy.xml files of the example (the bug is surprisingly fickle).



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