RFR: 8279068: IGV: Update to work with JDK 16 and 17

[Christian Hagedorn]

On Fri, 4 Feb 2022 12:30:52 GMT, Roberto Castañeda Lozano <rcastanedalo at openjdk.org> wrote:

> This change upgrades the NetBeans Platform on which IGV is based to its latest version ([12.6](https://netbeans.apache.org/download/nb126/index.html)). The upgrade introduces support for JDK versions 16 and 17, and drops support for versions earlier than 11. The change adds a check to enforce that a supported JDK version is used when building IGV, emitting an informative error message otherwise.
> 
> #### Testing
> 
> Tested the following use cases manually on all combinations of (Linux, Windows, macOS) and (JDK 11, JDK 16, JDK 17):
> 
> - build
> - open graph file (small.xml in [test-input.zip](https://bugs.openjdk.java.net/secure/attachment/93988/test-input.zip))
> - import graphs via network (localhost)
> - expand groups in outline
> - open a graph
> - open a clone
> - zoom in and out
> - search a node
> - apply filters
> - extract a node
> - show all nodes
> - select nodes corresponding to a bytecode
> - view control flow
> - select nodes corresponding to a basic block
> - cluster nodes
> - show satellite view
> - compute the difference of two graphs
> - change node text
> - export graph as PDF
> - remove a group
> - save groups into a file
> - open a large graph file (large.xml in [test-input.zip](https://bugs.openjdk.java.net/secure/attachment/93988/test-input.zip))
> - open a large graph ("After Escape Analysis" in large.xml)
> 
> Also tested that building IGV on JDK 8 and 18 (EA) fails with the error message "IGV requires a JDK version between 11 and 17".
> 
> Thanks to Jesper Wilhelmsson for helping with testing on macOS.

Nice update!

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Marked as reviewed by chagedorn (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/7347