I'm following some instructions here on how to get started with a Spring Boot Camunda start up application.
https://camunda.github.io/camunda-bpm-spring-boot-starter/docs/current/index.html
According to this link I should be able to find 2.0.0-SNAPSHOT on Maven central but I cannot.
https://github.com/camunda/camunda-bpm-spring-boot-starter
Maven central only has version 1.3.0.
https://mvnrepository.com/artifact/org.camunda.bpm.extension/camunda-bpm-spring-boot-starter
Can someone help me with this. At the moment the only way I can get things working is by building the whole camunda-bpm-spring-boot project that I downloaded from GitHub.
To use Camunda SpringBoot 2.0.0-SNAPSHOT, you have to add the maven central snapshot repository to your project like so
<repository>
<id>maven-central-snapshots</id>
<url>https://oss.sonatype.org/content/repositories/snapshots/</url>
<snapshots>
<enabled>true</enabled>
</snapshots>
</repository>
See here for the artifacts of 2.0.0-SNAPSHOT. You don't find them under the old location because the groupId and artifactIds changed a bit. Also there is no actual 2.0.0 release yet.
Related
we are getting connection timeout error while building maven project.some can please help us on this issue.same project is working on osev2.
When you had this kind of problems, check out which repositories contains the requested artifact. In this case as you can see in the link below, 3 repositories contains it. Add one of to your repositories/pluginRepositories section of your pom.xml.
Since this is a plugin you should add it as plugin repository.
<pluginRepositories>
....
<pluginRepository>
<id>central</id>
<name>maven central</name>
<url>http://central.maven.org/maven2/</url>
</pluginRepository>
</pluginRepositories>
Also 2.5 is a fairly old version, there is a newer 3.0.2 version (I would recommend changing it to this).
https://mvnrepository.com/artifact/org.apache.maven.plugins/maven-resources-plugin/2.5
I am trying to get Batik working, having not worked with Java much in the last ten years or so and I'm running into problems with Maven being able to find the org.apache.maven.wagon:wagon-ssh-external package.
When I open or try to build the project in Netbeans, it reports the following error:
The project org.freehep:freehep-graphicsio:2.1.1 (/home/glenatron/Projects/batik/freehep-graphicsio/pom.xml) has 1 error
Unresolveable build extension:
Error resolving version for plugin 'org.apache.maven.wagon:wagon-ssh-external' from the repositories [local (/home/glenatron/.m2/repository), freehep-maven (http://java.freehep.org/maven2), central (http://www.ibiblio.org/maven2), Codehaus (http://repository.codehaus.org/), Codehaus Snapshots (http://snapshots.repository.codehaus.org/)]:
Plugin not found in any plugin repository -> [Help 2]
As far as I can tell this is correct, however, I have the following in my pom.xml file for the project:
<repositories>
<repository>
<id>freehep-maven</id>
<name>Maven FreeHEP</name>
<url>http://java.freehep.org/maven2</url>
</repository>
<repository>
<id>maven-apache</id>
<name>Maven Apache</name>
<url>http://repo.maven.apache.org/maven2</url>
</repository>
<repository>
<id>maven1</id>
<name>Maven.org</name>
<url>http://repo1.maven.org/maven2</url>
</repository>
</repositories>
From what I can judge a) that plugin should be available in one of those repositories and b) if they are in the pom.xml file, Maven should be searching them but I can't see any sign of it doing that.
The project I am trying to work with is the FreeHEP EMF driver. The bigger screen solution was to use the unsignposted but much more up to date Github repository version.
It turns out that the solution was in the message after all: Error resolving version for plugin.
So obviously it's not a repository it is a pluginRepository which goes in a different part of pom.xml:
<pluginRepositories>
<pluginRepository>
<id>maven1</id>
<name>Maven.org</name>
<url>http://repo1.maven.org/maven2</url>
</pluginRepository>
</pluginRepositories>
Remove the entries with repo1... cause this is maven Central and used by Maven by default so no need to define it explicit. Furthermore the given freehep.org is also available via Maven Central. So if i see it correct you don't need to define supplemental repositories at all.
I've discovered today, while investigating a bug regarding my project being no more deployable, that maven tries to load dependencies from all available repositories.
I don't find it wise, specifically regarding our internal artifacts, that are searched on amven central, Sonatype FlexMojos, and other external release repositories (specificall when the last one provides a custom 404 page that maven wrongly interprets as valid content, replacing my valid artifact with an invalid one).
So, is is possible to tell maven which repositories to lookup for SNAPSHOTs artifacts, and which to lookup for RELEASE ones ?
Would it help if you made it explicit to not look for snapshots in your repo?
<repositories>
<repository>
<id>central</id>
<name>Maven Repository Switchboard</name>
<layout>default</layout>
<url>http://repo1.maven.org/maven2</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
</repositories>
My solution is to set up a repository mirror in the intranet. That way, Maven needs to know a single URL to download everything.
I then use the internal mirror to bundle repositories (local and remote ones). If snapshot repos are first in the search path, the mirror server will almost never publish the names of my internal artifacts (only when I forgot to deploy them).
On top of that, it will reduce the download times for the rest of the team plus it will make sure that everyone can still work even when there are network problems outside of your control.
The exact maven error message when deploying to heroku is:
No versions available for org.codehaus.jackson:jackson-mapper-asl:jar:[1.9,1.9.9] within specified range
I believe the issue is related to this answer and this Jackson repository maven-metadata.xml bug.
The following entry in the maven deploy log indicates that jackson-mapper-asl 1.9.9 is being downloaded from a heroku maven repository:
Downloaded: http://s3pository.heroku.com/jvm/org/codehaus/jackson/jackson-mapper-asl/1.9.9/jackson-mapper-asl-1.9.9.pom (2 KB at 12.3 KB/sec)
The heroku versions of the jackson maven-metadata.xml files are using incorrect version numbers - causing the maven error when using version ranges.
Is there a way, at deployment, to tell heroku to use a different maven repository for this dependency? Better yet, is there a way to get the heroku jackson-mapper-asl maven-metadata.xml file fixed?
Could this suffice as a workaround? You could just take the repository configuration section and point to somewhere else or supplying the file yourself as you would do with custom items.
Anyway, you can do it. Defining a regular repository in pom.xml, here the central one:
<repositories>
<repository>
<id>central</id>
<name>Maven Repository Switchboard</name>
<layout>default</layout>
<url>http://repo1.maven.org/maven2</url>
<snapshots>
<enabled>false</enabled>
</snapshots>
</repository>
</repositories>
Defining a repository in pom.xml that is pointing to a local "repo" item, which exists only within the application deployment:
<repositories>
<!--other repositories if any-->
<repository>
<id>project.local</id>
<name>project</name>
<url>file:${project.basedir}/repo</url>
</repository>
</repositories>
You should contact Heroku support about this in any case.
Follow Up I contacted Heroku support (super helpful, BTW) and they discovered the Heroku Maven cache was invalid for more than just Jackson. Heroku support kicked off an update process that helped resolve the problem but did not fix it completely. To get this issue completely resolved I had to add an explicit dependency to jackson-mapper-asl 1.9.9 in my pom.xml before I could deploy my app to Heroku.
i have a repository setup like this
<repository>
<id>jboss</id>
<name>JBoss Repository for Maven</name>
<url>https://repository.jboss.org/nexus/content/groups/public/</url>
</repository>
<repository>
<id>itextpdf.com</id>
<name>Maven Repository for iText</name>
<url>http://maven.itextpdf.com/</url>
</repository>
how do i set up the dependency to use the itext repository only for itext and jboss for everything else. for some reason the dependencies are being downloaded by both and one of them that is in the itext repository is different than the jboss and is crashing my system.
You shouldn't need to do this if the artifact only exists in one of the repositories (maven will try each repository in order and will stop once it finds it). The itext repo doesn't have any of the jboss jars so listing it first should result in it being checked first (and when it fails to resolve the jboss jars, it'll try the jboss repo).
Alternatively, if you have your own Maven repository server (Nexus, for instance), acting as a proxy for the public maven repositories, you can set up a "Repository Routing" in which you tell it which repositories to search for specific artifacts (based on group ID).