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https://issues.apache.org/jira/browse/JCRVLT-753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17846849#comment-17846849
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Konrad Windszus commented on JCRVLT-753:
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We should at least clarify the javadoc of
https://jackrabbit.apache.org/filevault/apidocs/org/apache/jackrabbit/vault/fs/api/IdConflictPolicy.html
to make it clear that {{FORCE_REMOVE_CONFLICTING_ID}} may lead to exceptions
as well.
> FORCE_REMOVE_CONFLICTING_ID Strategy Causing Constraint Violation Exception
> in AEM Replication
> ----------------------------------------------------------------------------------------------
>
> Key: JCRVLT-753
> URL: https://issues.apache.org/jira/browse/JCRVLT-753
> Project: Jackrabbit FileVault
> Issue Type: Bug
> Components: vlt
> Reporter: Danilo Banjac
> Assignee: Konrad Windszus
> Priority: Major
> Labels: vault
>
> {*}Issue Description{*}:
> Recent updates to the replication conflict resolution strategy in Adobe
> Experience Manager (AEM) using JCR Filevault have led to failures when
> attempting to replicate content packages. Specifically, the shift from the
> *LEGACY* to the *FORCE_REMOVE_CONFLICTING_ID* strategy causes
> *javax.jcr.nodetype.ConstraintViolationException: OakConstraint0026* due to
> the attempted deletion of mandatory child nodes during the replication
> process.
> {*}Steps to Reproduce{*}:
> 1. Create a content package with a primary node of type *nt:file* and a
> mandatory child node {*}jcr:content{*}.
> 2. Update the version of the content package, ensuring the *jcr:uuid* of the
> *jcr:content* node remains unchanged.
> 3. Replicate the updated content package.
> {*}Observed Behavior{*}:
> - The replication framework attempts to remove the conflicting *jcr:content*
> node due to the identical {*}jcr:uuid{*}.
> - The deletion operation fails because the parent *nt:file* node requires the
> *jcr:content* child node, resulting in a {*}ConstraintViolationException{*}:
> "{*}Mandatory child node jcr:content cannot be removed.{*}"
> {*}Root Cause{*}:
> The *FORCE_REMOVE_CONFLICTING_ID* conflict resolution strategy does not
> account for the constraints of mandatory child nodes in the JCR repository,
> leading to violations when trying to remove these nodes.
> {*}Impact{*}:
> This issue prevents successful replication of updated content packages in
> AEM, disrupting content management workflows and generating errors in the log.
> *Nodes Used for Testing*
> {noformat}
> {
> "jcr:primaryType": "nt:file",
> "jcr:createdBy": "sling-distribution-importer",
> "jcr:created": "Tue May 14 2024 10:13:41 GMT+0000",
> "jcr:content": {
> "jcr:primaryType": "nt:resource",
> "jcr:mixinTypes": [
> "vlt:Package"
> ],
> "jcr:lastModifiedBy": "admin",
> "jcr:mimeType": "application/zip",
> "jcr:lastModified": "Tue May 14 2024 10:13:32 GMT+0000",
> ":jcr:data": 35146,
> "jcr:uuid": "cef51ff7-f3fc-4a41-b765-ca4ceb4246ce",
> "vlt:definition": {
> "jcr:primaryType": "vlt:PackageDefinition",
> "testedWith": "",
> "lastUnpacked": "Tue May 14 2024 10:13:41 GMT+0000",
> "lastUnpackedBy": "sling-distribution-importer",
> "requiresRestart": false,
> "requiresRoot": false,
> "lastWrapped": "Fri Apr 26 2024 12:27:44 GMT+0000",
> "buildCount": "17",
> "providerLink": "",
> "providerName": "",
> "jcr:created": "Fri Apr 26 2024 12:27:44 GMT+0000",
> "name": "global-truststore",
> "group": "admin-tasks",
> "version": "15.0",
> "dependencies": [],
> "fixedBugs": "",
> "jcr:lastModified": "Fri Apr 26 2024 12:27:44 GMT+0000",
> "lastUnwrapped": "Tue May 14 2024 10:13:32 GMT+0000",
> "providerUrl": "",
> "screenshots": {
> "jcr:primaryType": "nt:unstructured"
> },
> "filter": {
> "jcr:primaryType": "nt:unstructured",
> "f0": {
> "jcr:primaryType": "nt:unstructured",
> "propertyRules": [],
> "mode": "replace",
> "root": "/etc/truststore",
> "rules": []
> }
> }
> }
> }
> }{noformat}
>
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