Re: [netcdfgroup] New problem accessing netcdf with Gradle

• To: "Wohler, Bill (ARC-TN)[SETI INSTITUTE]" <bill.wohler@xxxxxxxx>
• Subject: Re: [netcdfgroup] New problem accessing netcdf with Gradle
• From: Benjamin Root <ben.v.root@xxxxxxxxx>
• Date: Wed, 21 May 2025 19:22:28 -0400

I think netcdf-java recently bumped up the Spring framework version
requirement. I don't recall the details, but I think the minimum java
version also got bumped.

On Tue, May 20, 2025 at 7:34 PM Wohler, Bill (ARC-TN)[SETI INSTITUTE] <
bill.wohler@xxxxxxxx> wrote:

> [I had sent this message to the support mailing list, but got an automatic
> reply that operations are paused until funding resumes and that I should
> send my question here. I understand that you won't be able to fix the
> problem, but perhaps you can suggest some workarounds until the problem can
> be fixed. My current thinking is that it should be possible to copy the
> library to a local Maven repository and point my build at that. What do you
> think?]
>
> We just started getting the following error out of the blue when compiling
> our Java code with Gradle that makes use of the netcdf libraries.
>
>      > Could not resolve edu.ucar:netcdf4:4.6.+.
> Required by:
>      project :code:spoc-protobuf
>   > Failed to list versions for edu.ucar:netcdf4.
>      > Unable to load Maven meta-data from
> https://artifacts.unidata.ucar.edu/repository/unidata-all/edu/ucar/netcdf4/maven-metadata.xml
> .
> > Could not HEAD '
> https://artifacts.unidata.ucar.edu/repository/unidata-all/edu/ucar/netcdf4/maven-metadata.xml'.
> Received status code 403 from server: Forbidden
>
> What's weird is that I can access maven-metadata.xml just fine with my
> browser or with curl. Have you seen this problem? Do you have any idea what
> might be the source of the problem?
>
> We've been using the netcdf library in our build.gradle files for a long
> time like this:
>
>     repositories {
>         mavenCentral()
>         maven {
>             url = "
> https://artifacts.unidata.ucar.edu/repository/unidata-all/";
>         }
>     }
>     ...
>     dependencies {
>         ...
>         implementation 'edu.ucar:netcdf4:4.6.+'
> ...
>     }
>
> Interestingly, this error went away when I used "implementation
> 'edu.ucar:netcdf4:+'", which will match the highest available version. I
> was surprised to see that it downloaded version 4.5.5, not a more recent
> version! That might indicate a problem with the last update of your
> metadata. (Version 4.6, which we're still using, seems to add Closeable to
> NetcdfFileWriter, which we are taking advantage of with try-with-resources,
> so our code is broken with the older version.)
>
> Thanks, I look forward to hearing from you.
>
> --
>
>
> Bill Wohler <Bill.Wohler@xxxxxxxx> aka <wohler@xxxxxxxx>
> Cell: 650-380-1804
>
> --
>
> Bill Wohler <Bill.Wohler@xxxxxxxx> aka <wohler@xxxxxxxx>
> Cell: 650-380-1804
> _______________________________________________
>
> NOTICE:  Due to the current gap in continued funding from the U.S.
> National Science Foundation (NSF),
> the NSF Unidata Program Center has temporarily paused most operations.
> Please see this link for details:
> https://www.unidata.ucar.edu/blogs/news/entry/nsf-unidata-pause-in-most
>
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• Follow-Ups:
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    • From: Wohler, Bill (ARC-TN)[SETI INSTITUTE]

• References:
  • [netcdfgroup] New problem accessing netcdf with Gradle
    • From: Wohler, Bill (ARC-TN)[SETI INSTITUTE]