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https://jira.codehaus.org/browse/MRM-1643?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=303618#comment-303618
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Brett Porter commented on MRM-1643:
-----------------------------------
This would be a non-issue in 1.4-M2 due to the change in metadata storage
mechanism.
> Error 500 when browsing artifact group
> --------------------------------------
>
> Key: MRM-1643
> URL: https://jira.codehaus.org/browse/MRM-1643
> Project: Archiva
> Issue Type: Bug
> Affects Versions: 1.3.5
> Environment: Linux x86_64, Glassfish 3.1.2, PostgreSQL 9.1
> Reporter: Vojtech Sigler
>
> When I try to browse a repository from the web UI and open an artifact group,
> I get a HTTP 500 error with the following message:
> {noformat}
> javax.servlet.ServletException: javax.jdo.JDODataStoreException: Error
> executing JDOQL query "SELECT "THIS"."GROUP_ID" FROM "ARCHIVA_ARTIFACT"
> "THIS" WHERE (("THIS"."REPOSITORY_ID" = ? OR "THIS"."REPOSITORY_ID" = ?)) AND
> "THIS"."GROUP_ID" LIKE ? ESCAPE '\\' GROUP BY "THIS"."GROUP_ID" ORDER BY
> "THIS"."GROUP_ID"" : ERROR: invalid escape string
> Rada: Escape string must be empty or one character..
> NestedThrowables:
> org.postgresql.util.PSQLException: ERROR: invalid escape string
> Rada: Escape string must be empty or one character.{noformat}
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