Looks like this was changed to "https://repo1.maven.org/maven2/"; in
netbeans code some time ago:
https://github.com/apache/netbeans/commit/8e1dab5db682e48ff40b2aa3faf0a6bb4ec519bd#diff-ff508208c152eeffc93c1f003befbc673c1e730fdf292f6ce82895df1ccacc2b

On Mon, Apr 26, 2021 at 2:49 PM Eric Bresie <[email protected]> wrote:

> Is this in any way due to transition from http to https
> https://blog.sonatype.com/central-repository-moving-to-https
>
>
> While trying to troubleshoot this, I thought maybe my cached artifacts had
> in someway gotten corrupted so I decided to clear out my .m2 repository
> cache and redownload everything and still have the problem.
>
> I searched the netbeans code based and found in DownloadBinaries.java the
> following:
>
>     private byte[] mavenFile(MavenCoordinate mc) throws IOException {
>         String cacheName = mc.toMavenPath();
>         File local = new File(new File(new File(new
> File(System.getProperty("user.home")), ".m2"), "repository"),
> cacheName.replace('/', File.separatorChar));
>         final String url;
>         if (local.exists()) {
>             url = local.toURI().toString();
>         } else {
>             url = "http://central.maven.org/maven2/"; + cacheName;
>         }
>         URL u = new URL(url);
>         return downloadFromServer(u);
>     }
>
> So assume the way to reproduce this is have an empty maven repository cache
> and attempt an ant build which should require pulldown external
> dependencies via mavenFIles means and maybe it will trigger this.
>
> --
>
> However, after further checks, I'm guessing it may be my workspace may be a
> little behind and may be related to
> NETBEANS-3905 building netbeans from source fails to download components.
> If this continues to not be the case then will come back on this.
>
> Eric Bresie
> [email protected]
>
>
>
>
> On Thu, Apr 22, 2021 at 3:39 PM Přemysl Vyhnal <[email protected]> wrote:
>
> > Just an observation: DA39A3EE5E6B4B0D3255BFEF95601890AFD80709 is sha1 of
> > empty data and really the link in your email does not resolve. If you
> > change "central" to "repo1" in that address it should work, but I
> > don't know where is the build system getting that address from, sorry.
> >
> >
> >
> > On Thu, Apr 22, 2021 at 10:20 PM Eric Bresie <[email protected]> wrote:
> >
> > > Also got a similar one when trying an ant clean like the following:
> > >
> > > Process 'platform/libs.asm' location with 'clean' target
> > > platform/libs.asm.init-tasks:
> > > platform/libs.asm.default.init:
> > > Updating property file:
> > > C:\git\nb.netbeans\netbeans\nbbuild\netbeans\moduleCluster.properties
> > > platform/libs.asm.common-init:
> > > platform/libs.asm.basic-init:
> > > platform/libs.asm.projectized-common.-release.files:
> > > Creating
> > >
> C:\git\nb.netbeans\netbeans\platform\libs.asm\external\asm-all-5.0.1.jar
> > > Downloading:
> > >
> >
> http://central.maven.org/maven2/org/ow2/asm/asm-all/5.0.1/asm-all-5.0.1.jar
> > > C:\git\nb.netbeans\netbeans\nbbuild\build.xml:1138: The following error
> > > occurred while executing this line:
> > > C:\git\nb.netbeans\netbeans\nbbuild\templates\projectized.xml:241:
> > Download
> > > of 2F7553F50B0D14ED811B849C282DA8C1FFC32AAE-asm-all-5.0.1.jar produced
> > > content with hash DA39A3EE5E6B4B0D3255BFEF95601890AFD80709 when
> > > 2F7553F50B0D14ED811B849C282DA8C1FFC32AAE was expected
> > > BUILD FAILED (total time: 1 second)
> > >
> > >
> > > Eric Bresie
> > > [email protected]
> > >
> > >
> > > On Thu, Apr 22, 2021 at 3:16 PM Eric Bresie <[email protected]> wrote:
> > >
> > > > For some reason I've started getting build issues while trying to do
> an
> > > > ant build on my local workspace (may be a small bit behind master)
> like
> > > the
> > > > following:
> > > >
> > > > ant -f C:\\git\\nb.netbeans\\netbeans\\nbbuild
> > > -Dpermit.jdk9.builds=true\"
> > > > all
> > > > bootstrap:
> > > > Bootstrapping NetBeans-specific Ant extensions...
> > > > init-tasks:
> > > > prepare-vanilla-javac:
> > > > init-module-list:
> > > > unable to find revision info for
> > > >
> > C:\git\nb.netbeans\netbeans\.git\1e6dcbb7404c4eae5249f1559452358efd460508
> > > > set-buildnumber:
> > > > init:
> > > > Loading module list from
> > > > C:\Users\someplace\AppData\Local\Temp\nb-scan-cache-d87b531b-full.ser
> > > > Cannot find build prerequisite org.netbeans.modules.hibernate of
> > > > C:\git\nb.netbeans\netbeans\hibernateweb
> > > > download-selected-extbins:
> > > > Downloading external binaries (*/external/ directories) for
> > > > cluster.config=basic...
> > > > Creating
> > > >
> C:\git\nb.netbeans\netbeans\ide\c.google.guava\external\guava-15.0.jar
> > > > Downloading:
> > > >
> > >
> >
> http://central.maven.org/maven2/com/google/guava/guava/15.0/guava-15.0.jar
> > > > C:\git\nb.netbeans.ebresie\netbeans\nbbuild\build.xml:125: Download
> of
> > > > ED727A8D9F247E2050281CB083F1C77B09DCB5CD-guava-15.0.jar produced
> > content
> > > > with hash DA39A3EE5E6B4B0D3255BFEF95601890AFD80709 when
> > > > ED727A8D9F247E2050281CB083F1C77B09DCB5CD was expected
> > > > BUILD FAILED (total time: 1 second)
> > > >
> > > > Is this some sort of indication of something compromised in someway
> on
> > > the
> > > > download site?
> > > >
> > > >
> > > > Eric Bresie
> > > > [email protected]
> > > >
> > >
> >
>

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