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https://issues.apache.org/jira/browse/NETBEANS-4808?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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John McDonnell closed NETBEANS-4808.
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Resolution: Duplicate
> Shared project libraries can get clobbered after being renamed
> --------------------------------------------------------------
>
> Key: NETBEANS-4808
> URL: https://issues.apache.org/jira/browse/NETBEANS-4808
> Project: NetBeans
> Issue Type: Bug
> Components: projects - Libraries
> Affects Versions: 8.2
> Environment: Windows 10 with JDK8 (64bit)
> Reporter: David Johle
> Priority: Major
> Labels: features
>
> I have found a reliable way to completely lose a Library defined as a
> project/shared library (does not affect global libraries). Steps to
> reproduce:
> # Have a project open which defines a _Library location_
> # Go to Tools->Libraries
> # Choose that project's Library location in the drop-down at the top of the
> dialog
> # Create a New Library with the name: test
> # Add some JAR/Folders as you see fit
> # Hit OK
> # Repeat steps 2 & 3
> # Click the _test_ library, verify Classpath contents
> # Change the Library Name to: modified
> # Hit OK
> # Repeat steps 2 & 3
> # Click the _modified_ library, verify Classpath contents
> # Create a New Library with the name: test
> # Hit OK
> # Repeat steps 2 & 3
> # Notice that _modified_ is gone
>
> This all happens because the internal identifier given to the library in the
> properties file is its initial Libray Name. When the Libray Name is
> modified, the internal identifier stays the same. When creating a new
> library an "already exists" check only compares against the Library Name, not
> the identifier used in the property keys.
> Either the "exists" check needs to compare with the identifiers, or the old
> identifier itself should be updated along with the name. The latter would
> let re-use a name that was once used but no longer is – e.g. "MyLib - Latest"
> after renaming the old _Latest_ one to "MyLib - Previous". But since there
> are other things (e.g. project.properties) referencing this identifier that
> would probably not work.
> I guess a totally random identifier could be used (UUID style), but that
> isn't something that seems to be commonly done in Netbeans.
>
> I have only run across this using Netbeans 8.2, haven't tried it in newer
> versions.
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