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https://issues.apache.org/jira/browse/OAK-2956?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexander Klimetschek updated OAK-2956:
---------------------------------------
Summary: NPE in UserImporter when importing group with modified
authorizable id (was: NPE in UserImporter when importing user with modified
authorizable id)
> NPE in UserImporter when importing group with modified authorizable id
> ----------------------------------------------------------------------
>
> Key: OAK-2956
> URL: https://issues.apache.org/jira/browse/OAK-2956
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: core
> Affects Versions: 1.2.2
> Reporter: Alexander Klimetschek
>
> When importing a file vault package with a user that exists before (same uuid
> in the .content.xml) but modified authorizable id, this NPE happens:
> {noformat}
> Caused by: java.lang.NullPointerException: null
> at
> org.apache.jackrabbit.oak.security.user.UserImporter.handlePropInfo(UserImporter.java:242)
> at
> org.apache.jackrabbit.oak.jcr.xml.ImporterImpl.importProperties(ImporterImpl.java:287)
> at
> org.apache.jackrabbit.oak.jcr.xml.ImporterImpl.startNode(ImporterImpl.java:470)
> at
> org.apache.jackrabbit.oak.jcr.xml.SysViewImportHandler.processNode(SysViewImportHandler.java:80)
> at
> org.apache.jackrabbit.oak.jcr.xml.SysViewImportHandler.startElement(SysViewImportHandler.java:117)
> at
> org.apache.jackrabbit.oak.jcr.xml.ImportHandler.startElement(ImportHandler.java:183)
> at
> org.apache.jackrabbit.vault.fs.impl.io.JcrSysViewTransformer.startNode(JcrSysViewTransformer.java:167)
> at
> org.apache.jackrabbit.vault.fs.impl.io.DocViewSAXImporter.startElement(DocViewSAXImporter.java:598)
> ... 87 common frames omitted
> {noformat}
> It looks like [this
> line|https://github.com/apache/jackrabbit-oak/blob/105f890e04ee990f0e71d88937955680670d96f7/oak-core/src/main/java/org/apache/jackrabbit/oak/security/user/UserImporter.java#L242],
> meaning {{userManager.getAuthorizable(id)}} returned null.
> While the use case might not be something to support (this happens during
> development, changing user names/details until "right"), at least the NPE
> should be guarded against and a better error message given.
> Looking closer, it seems like a difference between
> {{UserManager.getAuthorizable(Tree)}} (called earlier in the method) (I
> assume using UUID to look up the existing user successfully) and
> {{UserManager.getAuthorizable(String)}} (using the rep:authorizableId to look
> up the user, failing, because it changed).
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