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Andrew Wetmore Assistant VP, Marketing and Publicity, The ASF <https://apache.org> Editor-Writer, Infra team, The ASF Editor, moosehousepress.com On Wed, Jan 28, 2026 at 11:11 AM Tamás Cservenák <[email protected]> wrote: > Howdy, > > I made a somewhat big change in the very first paragraph: this is not > a Maven "bug", but the change happened in Maven revealed a > "concurrency bug" in Nexus 2. It is not Maven that wrongly creates > multiple staging repositories, but it is Nexus. > > I think the same is worded in Maven GH issue too: > https://github.com/apache/maven/issues/11634 > > "Due to improvements in parallel PUT method ... bugs of concurrency > processing in some repository managers can be disclosed." > > Thanks > T > > On Wed, Jan 28, 2026 at 3:51 PM Andrew Wetmore <[email protected]> > wrote: > > > > I have drafted a blog post based on what I have learned. If Tamás or > others could review it, I would be very grateful > > > > > https://docs.google.com/document/d/1eQlnCIP_HN5-4Q3kNZtMKkdPE1mi7Cq5DzpdUYBqyOY/edit?usp=drive_link > > > > a > > > > > > Andrew Wetmore > > Assistant VP, Marketing and Publicity, The ASF > > Editor-Writer, Infra team, The ASF > > > > Editor, moosehousepress.com > > > > > > On Tue, Jan 27, 2026 at 10:28 AM Andrew Wetmore <[email protected]> > wrote: > >> > >> Very helpful. Thank you! > >> > >> > >> Andrew Wetmore > >> Assistant VP, Marketing and Publicity, The ASF > >> Editor-Writer, Infra team, The ASF > >> > >> Editor, moosehousepress.com > >> > >> > >> On Tue, Jan 27, 2026 at 10:27 AM Tamás Cservenák <[email protected]> > wrote: > >>> > >>> (sent too quickly) > >>> > >>> Hence, it must be passed as _user property_ to the Maven instance > >>> doing deploy (against staging endpoint): > >>> * can be done as in ASF Parent POM (release plugin passes it to > >>> invoked Maven instance performing deploy to RAO) > >>> * can be done by adding `-Daether.connector.basic.parallelPut=false` > >>> user property on CLI > >>> * can be done by adding file in project root `.mvn/maven.config` with > >>> contents `-Daether.connector.basic.parallelPut=false` (see > >>> https://maven.apache.org/configure.html#mvn-maven-config-file) > >>> * can be done in user ~/.m2/settings.xml by adding a property to a > >>> profile that is always enabled > >>> > >>> Thanks > >>> T > >>> > >>> On Tue, Jan 27, 2026 at 3:22 PM Tamás Cservenák <[email protected]> > wrote: > >>> > > >>> > Howdy, > >>> > > >>> > Workaround (done in ASF Parent POM 37) is to disable parallel PUTs. > >>> > See > https://maven.apache.org/resolver-archives/resolver-1.9.25/configuration.html > >>> > and look for the configuration key > `aether.connector.basic.parallelPut`. > >>> > > >>> > Note: this is a resolver property, and cannot be set as POM project > property! > >>> > The workaround implemented in ASF Parent POM passes it to the > release plugin, > >>> > that _invokes_ Maven to perform release on the checkout. > >>> > > >>> > HTH > >>> > Tamas > >>> > > >>> > On Tue, Jan 27, 2026 at 3:13 PM Andrew Wetmore <[email protected]> > wrote: > >>> > > > >>> > > Hi: > >>> > > > >>> > > https://issues.apache.org/jira/browse/INFRA-27597 is about an > issue in > >>> > > Maven 3.9.1.2 causing problems with parallel uploads in a build. > Infra > >>> > > would like to put out an announcement about the issue and its > workaround, > >>> > > and I wonder if someone can help me with the wording. > >>> > > > >>> > > At the moment, what I think I understand: > >>> > > > >>> > > -- trying to build using parallel uploads causes Maven to create > multiple > >>> > > staging repos instead of a single one > >>> > > -- The issue will be fixed in upcoming Maven versions > >>> > > -- There is a workaround in ASF Parent POM 37 > >>> > > > >>> > > Can you explain to me (a mere writer) what the workaround is and > how a > >>> > > project release manager would deploy it? > >>> > > > >>> > > Thanks in advance! > >>> > > > >>> > > > >>> > > Andrew Wetmore > >>> > > Assistant VP, Marketing and Publicity, The ASF <https://apache.org > > > >>> > > Editor-Writer, Infra team, The ASF > >>> > > > >>> > > > >>> > > < > https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail > > > >>> > > Virus-free.www.avast.com > >>> > > < > https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail > > > >>> > > <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> > >>> > >>> --------------------------------------------------------------------- > >>> To unsubscribe, e-mail: [email protected] > >>> For additional commands, e-mail: [email protected] > >>> >
