RFR: 8263248: IGV: accept graphs without node categories

Thu Mar 11 09:02:07 UTC 2021

On Thu, 11 Mar 2021 08:40:40 GMT, Christian Hagedorn <chagedorn at openjdk.org> wrote:

>> Currently, IGV fails if the input graphs do not contain node category information (added in JDK 17). This change replaces the failing assertion with a warning message in the log file, to support using the latest IGV on graphs generated before JDK 17.
>> 
>> Tested manually on graphs generated [from JDK 11](https://bugs.openjdk.java.net/secure/attachment/93600/from-jdk-11.zip) and [from JDK 17](https://bugs.openjdk.java.net/secure/attachment/93601/from-jdk-17.zip).
>
> Looks good!

Thanks for reviewing, Nils and Christian!

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PR: https://git.openjdk.java.net/jdk/pull/2909