One of the projects I have been working on is moving from Grails 1.3.7 to Grails 2.0.1 - so I naturally went looking for the Maven artifacts for the project. We use Maven extremely successfully with composites and I have had a talk to Graeme about using them to reduce clutter in the project pom and make things clean.
My first hurdle is that Grails 2.x is not in Apache Maven Central - asking Graeme on twitter gave the answer that it wasn't going to be there and was in http://repo.grails.org/grails/core. Fair enough I thought until I realized that in fact this would cause problems for me - I couldn't release bluegrails because bluegrails needs to be in central. Bluegrails as a refresher is a set of composite dependencies that allow you to be consistent with Grails dependencies in your non Grails artifacts.
Greame's reasoning when @talios prodded him was that Grails had external dependencies that weren't in central - which I understand - if you have that you can't use Apache Maven Central, and it is a rule that makes sense especially from a corporate perspective. Grails run their own repo, just point to it. Yet, still - it has hosed my ability to deploy these artifacts that add considerable value to anyone who uses Maven and Grails generally in their organization and want to maintain version compatibility.
So tonight I decided to check - if I could chase those projects down that weren't in Apache Maven Central and offer to help get them there, I'd hope the Grails team would push to Central.
I downloaded and build the Grails Maven Archetype and Grails Maven Plugin (which wouldn't build in Maven 3.0.4 - there are a couple of annotation problems with it). Once I had those two working, I created an archetype and found to my delight that Graeme had taken the Composite approach to Maven dependencies - the new pom is a delight!
<dependencies>
<dependency>
<groupId>org.grails</groupId>
<artifactId>grails-dependencies</artifactId>
<version>${grails.version}</version>
<type>pom</type>
</dependency>
</dependencies>
Thats it. Awesome! Exactly how it should be.
Now to ascertain the naughty dependencies - so a mvn dependency:tree
[INFO] - org.grails:grails-dependencies:pom:2.0.1:compile
[INFO] +- org.grails:grails-core:jar:2.0.1:compile
[INFO] | +- commons-io:commons-io:jar:2.1:compile
[INFO] | +- org.slf4j:slf4j-api:jar:1.6.2:compile
[INFO] | +- org.slf4j:jcl-over-slf4j:jar:1.6.2:compile
[INFO] | +- org.hibernate.javax.persistence:hibernate-jpa-2.0-api:jar:1.0.1.Final:compile
[INFO] | - commons-lang:commons-lang:jar:2.6:compile
[INFO] +- org.grails:grails-bootstrap:jar:2.0.1:compile
[INFO] +- org.grails:grails-crud:jar:2.0.1:compile
[INFO] +- org.grails:grails-datastore-core:jar:1.0.2.RELEASE:compile
[INFO] +- org.grails:grails-hibernate:jar:2.0.1:compile
[INFO] | +- javax.validation:validation-api:jar:1.0.0.GA:runtime
[INFO] | +- org.grails:grails-datastore-simple:jar:1.0.2.RELEASE:compile
[INFO] | +- javax.transaction:jta:jar:1.1:compile
[INFO] | +- org.hibernate:hibernate-validator:jar:4.1.0.Final:runtime
[INFO] | +- org.hibernate:hibernate-ehcache:jar:3.6.7.Final:runtime
[INFO] | +- org.grails:grails-datastore-gorm:jar:1.0.2.RELEASE:compile
[INFO] | +- org.hibernate:hibernate-core:jar:3.6.7.Final:compile
[INFO] | | +- antlr:antlr:jar:2.7.7:compile
[INFO] | | +- dom4j:dom4j:jar:1.6.1:compile
[INFO] | | - org.hibernate:hibernate-commons-annotations:jar:3.2.0.Final:compile
[INFO] | - javassist:javassist:jar:3.12.0.GA:compile
[INFO] +- org.grails:grails-plugin-codecs:jar:2.0.1:compile
[INFO] | - commons-codec:commons-codec:jar:1.5:compile
[INFO] +- org.grails:grails-plugin-controllers:jar:2.0.1:compile
[INFO] +- org.grails:grails-plugin-converters:jar:2.0.1:compile
[INFO] +- org.grails:grails-plugin-datasource:jar:2.0.1:compile
[INFO] | +- commons-dbcp:commons-dbcp:jar:1.4:compile
[INFO] | - commons-pool:commons-pool:jar:1.5.6:compile
[INFO] +- org.grails:grails-plugin-domain-class:jar:2.0.1:compile
[INFO] +- org.grails:grails-plugin-filters:jar:2.0.1:compile
[INFO] +- org.grails:grails-plugin-gsp:jar:2.0.1:compile
[INFO] +- org.grails:grails-plugin-i18n:jar:2.0.1:compile
[INFO] +- org.grails:grails-logging:jar:2.0.1:compile
[INFO] +- org.grails:grails-plugin-log4j:jar:2.0.1:compile
[INFO] | +- log4j:log4j:jar:1.2.16:compile
[INFO] | - org.slf4j:jul-to-slf4j:jar:1.6.2:compile
[INFO] +- org.grails:grails-plugin-mimetypes:jar:2.0.1:compile
[INFO] | - commons-collections:commons-collections:jar:3.2.1:compile
[INFO] +- org.grails:grails-plugin-scaffolding:jar:2.0.1:compile
[INFO] +- org.grails:grails-plugin-services:jar:2.0.1:compile
[INFO] +- org.grails:grails-plugin-servlets:jar:2.0.1:compile
[INFO] +- org.grails:grails-plugin-url-mappings:jar:2.0.1:compile
[INFO] +- org.grails:grails-plugin-validation:jar:2.0.1:compile
[INFO] +- org.grails:grails-resources:jar:2.0.1:compile
[INFO] +- org.grails:grails-spring:jar:2.0.1:compile
[INFO] | - org.springframework:spring-web:jar:3.1.0.RELEASE:compile
[INFO] | - aopalliance:aopalliance:jar:1.0:compile
[INFO] +- org.grails:grails-web:jar:2.0.1:compile
[INFO] | +- commons-fileupload:commons-fileupload:jar:1.2.2:compile
[INFO] | +- xpp3:xpp3_min:jar:1.1.4c:compile
[INFO] | - opensymphony:sitemesh:jar:2.4:compile
[INFO] +- org.grails:grails-webflow:jar:2.0.1:compile
[INFO] +- org.codehaus.groovy:groovy-all:jar:1.8.6:compile
[INFO] +- org.aspectj:aspectjweaver:jar:1.6.10:runtime
[INFO] +- org.aspectj:aspectjrt:jar:1.6.10:runtime
[INFO] +- cglib:cglib:jar:2.2:runtime
[INFO] +- asm:asm:jar:3.1:runtime
[INFO] +- oro:oro:jar:2.0.8:runtime
[INFO] +- commons-beanutils:commons-beanutils:jar:1.8.3:runtime
[INFO] +- commons-el:commons-el:jar:1.0:runtime
[INFO] +- commons-validator:commons-validator:jar:1.3.1:runtime
[INFO] +- com.googlecode.concurrentlinkedhashmap:concurrentlinkedhashmap-lru:jar:1.2_jdk5:runtime
[INFO] +- com.h2database:h2:jar:1.2.147:runtime
[INFO] +- javax.servlet:jstl:jar:1.1.2:runtime
[INFO] +- net.sf.ehcache:ehcache-core:jar:2.4.6:runtime
[INFO] +- org.springframework:spring-aspects:jar:3.1.0.RELEASE:runtime
[INFO] +- org.springframework:spring-jdbc:jar:3.1.0.RELEASE:runtime
[INFO] +- org.springframework:spring-jms:jar:3.1.0.RELEASE:runtime
[INFO] +- org.springframework:spring-orm:jar:3.1.0.RELEASE:runtime
[INFO] +- org.springframework:spring-tx:jar:3.1.0.RELEASE:runtime
[INFO] - org.springframework:spring-webmvc:jar:3.1.0.RELEASE:compile
[INFO] +- org.springframework:spring-asm:jar:3.1.0.RELEASE:compile
[INFO] +- org.springframework:spring-beans:jar:3.1.0.RELEASE:compile
[INFO] +- org.springframework:spring-context:jar:3.1.0.RELEASE:compile
[INFO] | - org.springframework:spring-aop:jar:3.1.0.RELEASE:compile
[INFO] +- org.springframework:spring-context-support:jar:3.1.0.RELEASE:compile
[INFO] +- org.springframework:spring-core:jar:3.1.0.RELEASE:compile
[INFO] | - commons-logging:commons-logging:jar:1.1.1:compile
[INFO] - org.springframework:spring-expression:jar:3.1.0.RELEASE:compile
(I removed the \)
And a bit of code (I put that all in a def called deps, its ugly but it doesn't matter) - ignored the org.grails ones as these were accepted to not be in central:
def failed = []
deps.split("\n").each { line ->
if (line.startsWith("[INFO]")) {
line.split(" ").each { dep ->
if (dep.size() > 0 && Character.isLetter(dep.charAt(0)) ) {
if (!dep.startsWith("org.grails")) {
//println dep
String[] splitDep = dep.split(':')
String url = "http://repo1.maven.org/maven2/${splitDep[0].replace('.', '/')}/${splitDep[1]}/${splitDep[3]}/${splitDep[1]}-${splitDep[3]}.pom"
try {
new URL(url).openStream()
println "ok ${url}"
} catch ( Exception ex ) {
println "failed ${url}"
failed.add(url)
}
}
}
}
}
}
And the result?
ok http://repo1.maven.org/maven2/commons-io/commons-io/2.1/commons-io-2.1.pom
ok http://repo1.maven.org/maven2/org/slf4j/slf4j-api/1.6.2/slf4j-api-1.6.2.pom
ok http://repo1.maven.org/maven2/org/slf4j/jcl-over-slf4j/1.6.2/jcl-over-slf4j-1.6.2.pom
ok http://repo1.maven.org/maven2/org/hibernate/javax/persistence/hibernate-jpa-2.0-api/1.0.1.Final/hibernate-jpa-2.0-api-1.0.1.Final.pom
ok http://repo1.maven.org/maven2/commons-lang/commons-lang/2.6/commons-lang-2.6.pom
ok http://repo1.maven.org/maven2/javax/validation/validation-api/1.0.0.GA/validation-api-1.0.0.GA.pom
ok http://repo1.maven.org/maven2/javax/transaction/jta/1.1/jta-1.1.pom
ok http://repo1.maven.org/maven2/org/hibernate/hibernate-validator/4.1.0.Final/hibernate-validator-4.1.0.Final.pom
ok http://repo1.maven.org/maven2/org/hibernate/hibernate-ehcache/3.6.7.Final/hibernate-ehcache-3.6.7.Final.pom
ok http://repo1.maven.org/maven2/org/hibernate/hibernate-core/3.6.7.Final/hibernate-core-3.6.7.Final.pom
ok http://repo1.maven.org/maven2/antlr/antlr/2.7.7/antlr-2.7.7.pom
ok http://repo1.maven.org/maven2/dom4j/dom4j/1.6.1/dom4j-1.6.1.pom
ok http://repo1.maven.org/maven2/org/hibernate/hibernate-commons-annotations/3.2.0.Final/hibernate-commons-annotations-3.2.0.Final.pom
ok http://repo1.maven.org/maven2/javassist/javassist/3.12.0.GA/javassist-3.12.0.GA.pom
ok http://repo1.maven.org/maven2/commons-codec/commons-codec/1.5/commons-codec-1.5.pom
ok http://repo1.maven.org/maven2/commons-dbcp/commons-dbcp/1.4/commons-dbcp-1.4.pom
ok http://repo1.maven.org/maven2/commons-pool/commons-pool/1.5.6/commons-pool-1.5.6.pom
ok http://repo1.maven.org/maven2/log4j/log4j/1.2.16/log4j-1.2.16.pom
ok http://repo1.maven.org/maven2/org/slf4j/jul-to-slf4j/1.6.2/jul-to-slf4j-1.6.2.pom
ok http://repo1.maven.org/maven2/commons-collections/commons-collections/3.2.1/commons-collections-3.2.1.pom
ok http://repo1.maven.org/maven2/org/springframework/spring-web/3.1.0.RELEASE/spring-web-3.1.0.RELEASE.pom
ok http://repo1.maven.org/maven2/aopalliance/aopalliance/1.0/aopalliance-1.0.pom
ok http://repo1.maven.org/maven2/commons-fileupload/commons-fileupload/1.2.2/commons-fileupload-1.2.2.pom
ok http://repo1.maven.org/maven2/xpp3/xpp3_min/1.1.4c/xpp3_min-1.1.4c.pom
ok http://repo1.maven.org/maven2/opensymphony/sitemesh/2.4/sitemesh-2.4.pom
ok http://repo1.maven.org/maven2/org/codehaus/groovy/groovy-all/1.8.6/groovy-all-1.8.6.pom
ok http://repo1.maven.org/maven2/org/aspectj/aspectjweaver/1.6.10/aspectjweaver-1.6.10.pom
ok http://repo1.maven.org/maven2/org/aspectj/aspectjrt/1.6.10/aspectjrt-1.6.10.pom
ok http://repo1.maven.org/maven2/cglib/cglib/2.2/cglib-2.2.pom
ok http://repo1.maven.org/maven2/asm/asm/3.1/asm-3.1.pom
ok http://repo1.maven.org/maven2/oro/oro/2.0.8/oro-2.0.8.pom
ok http://repo1.maven.org/maven2/commons-beanutils/commons-beanutils/1.8.3/commons-beanutils-1.8.3.pom
ok http://repo1.maven.org/maven2/commons-el/commons-el/1.0/commons-el-1.0.pom
ok http://repo1.maven.org/maven2/commons-validator/commons-validator/1.3.1/commons-validator-1.3.1.pom
ok http://repo1.maven.org/maven2/com/googlecode/concurrentlinkedhashmap/concurrentlinkedhashmap-lru/1.2_jdk5/concurrentlinkedhashmap-lru-1.2_jdk5.pom
ok http://repo1.maven.org/maven2/com/h2database/h2/1.2.147/h2-1.2.147.pom
ok http://repo1.maven.org/maven2/javax/servlet/jstl/1.1.2/jstl-1.1.2.pom
ok http://repo1.maven.org/maven2/net/sf/ehcache/ehcache-core/2.4.6/ehcache-core-2.4.6.pom
ok http://repo1.maven.org/maven2/org/springframework/spring-aspects/3.1.0.RELEASE/spring-aspects-3.1.0.RELEASE.pom
ok http://repo1.maven.org/maven2/org/springframework/spring-jdbc/3.1.0.RELEASE/spring-jdbc-3.1.0.RELEASE.pom
ok http://repo1.maven.org/maven2/org/springframework/spring-jms/3.1.0.RELEASE/spring-jms-3.1.0.RELEASE.pom
ok http://repo1.maven.org/maven2/org/springframework/spring-orm/3.1.0.RELEASE/spring-orm-3.1.0.RELEASE.pom
ok http://repo1.maven.org/maven2/org/springframework/spring-tx/3.1.0.RELEASE/spring-tx-3.1.0.RELEASE.pom
ok http://repo1.maven.org/maven2/org/springframework/spring-webmvc/3.1.0.RELEASE/spring-webmvc-3.1.0.RELEASE.pom
ok http://repo1.maven.org/maven2/org/springframework/spring-asm/3.1.0.RELEASE/spring-asm-3.1.0.RELEASE.pom
ok http://repo1.maven.org/maven2/org/springframework/spring-beans/3.1.0.RELEASE/spring-beans-3.1.0.RELEASE.pom
ok http://repo1.maven.org/maven2/org/springframework/spring-context/3.1.0.RELEASE/spring-context-3.1.0.RELEASE.pom
ok http://repo1.maven.org/maven2/org/springframework/spring-aop/3.1.0.RELEASE/spring-aop-3.1.0.RELEASE.pom
ok http://repo1.maven.org/maven2/org/springframework/spring-context-support/3.1.0.RELEASE/spring-context-support-3.1.0.RELEASE.pom
ok http://repo1.maven.org/maven2/org/springframework/spring-core/3.1.0.RELEASE/spring-core-3.1.0.RELEASE.pom
ok http://repo1.maven.org/maven2/commons-logging/commons-logging/1.1.1/commons-logging-1.1.1.pom
ok http://repo1.maven.org/maven2/org/springframework/spring-expression/3.1.0.RELEASE/spring-expression-3.1.0.RELEASE.pom
No failures.
Now I'm perplexed - it isn't because of dependencies in the Grails artifacts.
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