Christophe, It is not clear to me who is the consumer of this BOM. Java clients should depend on pulsar-client Pulsar IO and Functions have their own dependencies.
So what's the target? Protocol Handlers? Servlets? Proxy extensions? Enrico Il Lun 14 Feb 2022, 15:05 Nicolò Boschi <boschi1...@gmail.com> ha scritto: > Great idea! > +1 > > Il giorno mar 8 feb 2022 alle ore 12:18 Christophe Bornet < > bornet.ch...@gmail.com> ha scritto: > > > Hi everyone, > > > > I'd like to open a discussion on PIP 141 : Pulsar BOM > > > > The PIP is here : https://github.com/apache/pulsar/issues/14168 > > > > ## Motivation > > > > When designing NAR modules loaded by Nifi in the broker such as protocol > > handlers, proxy extensions, Pulsar IO connectors, etc..., it's important > > that the dependencies that are common to the module and the broker are as > > close as possible to prevent incompatible library exceptions > > (NoSuchClassError, NoSuchMethodError, IncompatibleClassChangeError, etc > > ...) at runtime. If a class is both in the NAR and in the broker, the > > broker one will be loaded. > > > > ## Goal > > > > This proposal is to define a BOM (Bill Of Materials) for Pulsar. > > A BOM is a special kind of POM that contains all the dependency versions > > that are used by the project and can be imported in another project. > > Currently there is a `dependencyManagement` section in Pulsar's parent > POM > > but it's not always possible to derive from this parent POM as it > imports a > > lot more things than the dependency versions and external projects > usually > > prefer to have their own parent POM. > > External projects can import this BOM and use the same library versions > as > > Pulsar at compile/test time. > > > > ## API Changes > > > > No API changes > > > > ## Implementation > > > > The `dependencyManagement` section of Pulsar's parent POM and related > > properties will be extracted in a POM and put in a `pulsar-bom` > directory. > > The `pulsar-bom` artifact shall be built and released independently from > > the rest of Pulsar project (not a maven module). > > The Pulsar's parent POM `dependencyManagement` section is replaced by: > > > > <dependencyManagement> > > <dependencies> > > <dependency> > > <groupId>org.apache.pulsar</groupId> > > <artifactId>pulsar-bom</artifactId> > > <version>2.10.0-SNAPSHOT</version> > > <type>pom</type> > > <scope>import</scope> > > </dependency> > > </dependencies> > > </dependencyManagement> > > > > The CI will have to build `pulsar-bom` before building Pulsar. > > > > ## Reject Alternatives > > > > The BOM could be part of a distinct Git project. This would be harder to > > handle for contributions that modify both the BOM and Pulsar. > > > > > > Thanks a lot for your feedback ! > > > > Christophe > > > > > -- > Nicolò Boschi >
