Sorry, reply it too late. Brian, you're right, after move it out, works for me. Thanks!
Regards Simon -----Original Message----- From: Brian Fox [mailto:bri...@infinity.nu] Sent: 2012年10月16日 19:30 To: Maven Users List Subject: Re: How to optimize maven dependencies to get better performance? The problem below is because your configuration is inside an execution, which when run from the command line like mvm enforcer:enforce won't be activated. Either bind this plugin to a phase as part of your build, or move the configuration element outside the executions block. On Thu, Oct 11, 2012 at 4:27 AM, Wang, Simon <yunfeng.w...@ebay.com> wrote: > Hi, Barrie, > Ask a stupid question about enforcer plugin. > I added enforcer plugin into project pom like this: > <plugin> > > <groupId>org.apache.maven.plugins</groupId> > > <artifactId>maven-enforcer-plugin</artifactId> > <version>1.1.1</version> > <executions> > <execution> > <id>enforce</id> > <configuration> > <rules> > > <DependencyConvergence/> > </rules> > </configuration> > <goals> > <goal>enforce</goal> > </goals> > </execution> > </executions> > </plugin> > > But it always complain missing parameter: rules. > Below is debug log. > > Any mistakes in above code? > > ~~~ > [DEBUG] Configuring mojo > org.apache.maven.plugins:maven-enforcer-plugin:1.1.1:en > force from plugin realm > ClassRealm[plugin>org.apache.maven.plugins:maven-enforce > r-plugin:1.1.1, parent: sun.misc.Launcher$AppClassLoader@233e233e] > [DEBUG] Configuring mojo > 'org.apache.maven.plugins:maven-enforcer-plugin:1.1.1:e > nforce' with basic configurator --> > [DEBUG] (s) fail = true > [DEBUG] (s) failFast = false > [DEBUG] (f) ignoreCache = false > [DEBUG] (s) project = MavenProject: > com.ebay.raptor.buyerexp.framework:CoreApp > Framework:4.1.1-W41-SNAPSHOT @ > C:\gitrepo\search_raptor\CoreAppFramework\pom.xml > > [DEBUG] (s) session = org.apache.maven.execution.MavenSession@3d153d15 > [DEBUG] (s) skip = false > [DEBUG] -- end configuration -- > [INFO] > ---------------------------------------------------------------------- > -- > [INFO] BUILD FAILURE > [INFO] > ---------------------------------------------------------------------- > -- > [INFO] Total time: 3.050s > [INFO] Finished at: Thu Oct 11 15:49:28 CST 2012 [INFO] Final Memory: > 17M/45M [INFO] > ---------------------------------------------------------------------- > -- > [ERROR] Failed to execute goal > org.apache.maven.plugins:maven-enforcer-plugin:1. > 1.1:enforce (default-cli) on project CoreAppFramework: The parameters > 'rules' fo r goal > org.apache.maven.plugins:maven-enforcer-plugin:1.1.1:enforce are > missing or invalid -> [Help 1] > org.apache.maven.lifecycle.LifecycleExecutionException: Failed to > execute goal o > rg.apache.maven.plugins:maven-enforcer-plugin:1.1.1:enforce > (default-cli) on pro ject CoreAppFramework: The parameters 'rules' for > goal > org.apache.maven.plugins: > maven-enforcer-plugin:1.1.1:enforce are missing or invalid > at > org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor > .java:221) > > > > Regards > Simon > -----Original Message----- > From: Wang, Simon [mailto:yunfeng.w...@ebay.com] > Sent: 2012年10月11日 13:41 > To: Maven Users List > Subject: RE: How to optimize maven dependencies to get better performance? > > Hi, Barrie, > That's really helpful! > > Even I have local cache, it also takes about 2 mins to resolve > dependencies. > Also it seems maven still will talk with remote maven server even I > have local cache. > Yes, maybe it's caused by unspecified version numbers for dependencies. > > I'll try maven-enforcer-plugin. > > We're using nexus now, haven't tried MRM, I'll host it and compare > it to nexus. > > And I saw aether(major in dependency resolving) will take longer > time to resolve conflict dependencies. > Is it also a point that need to be improved? > Do you know is there any maven plugin to identify conflict dependencies? > > Regards > Simon > > -----Original Message----- > From: Barrie Treloar [mailto:baerr...@gmail.com] > Sent: 2012年10月11日 11:48 > To: Maven Users List > Subject: Re: How to optimize maven dependencies to get better performance? > > On Thu, Oct 11, 2012 at 1:46 PM, Wang, Simon <yunfeng.w...@ebay.com> > wrote: > > Hi, > > We're in trouble of terrible performance on resolve maven > dependencies. > > I did some search about it. Basically below ways should be helpful: > > > > 1. optimize nexus server to improve response time. > > 2. optimize maven dependencies. > > 1) avoid duplicated dependencies > > 2) avoid dependency conflict cases > > 3).... > > > > Any others suggestions? > > What specifically is your problem? > > I can only guess at what you mean. > I'm assuming that when you run "mvn install" that maven is reaching > out to check for new dependencies which can be time consuming, > especially with an empty ~/.m2/repository local cache. > After the first install this shouldn't be a problem. > > Firstly make sure that you do not define additional "repository" in > either your settings.xml or pom.xml. > Every dependency will be checked against all repositories defined. > So just by defining one extra repository will double the time it takes > to check dependencies. > There is no logic in Maven to blacklist/whitelist what artifacts are > located where, this is one reason why you use a Repository Manager. > You can see that if you declare repositories in your pom.xml and this > is published how it will affect everyone that includes your artifacts. > Please don't do that. > > Secondly, make sure you lock down all version numbers of dependencies. > It is bad practice to not specify these as it makes your build > non-reproducable. > This could also be a reason why it is slow as Maven will need to check > periodically to see if new versions are available. > You can use maven enforcer > (http://maven.apache.org/plugins/maven-enforcer-plugin/) to ensure > that you have no unversioned artifacts. > > Thirdly, install a Maven Repository Manager (Nexus is one). > This will act as a local proxy and make downloading times much faster. > It also provides an aggregation point, so that there is only one > repository to check each artifact for and the Repository Manager will > hide checking the other repos MRMs also allow you to do > whitelist/blacklist stuff to improve performance. > If you are in a corporate environment you really want an MRM installed. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@maven.apache.org > For additional commands, e-mail: users-h...@maven.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@maven.apache.org For additional commands, e-mail: users-h...@maven.apache.org