This page (revision-15) was last changed on 23-Apr-2022 17:06 by Harry Metske

This page was created on 23-Apr-2022 17:05 by Harry Metske

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Page References

Incoming links Outgoing links
Maven...nobody
Maven

Version management

Difference between version and

At line 10 changed one line
* [Dependency mechanism|http://maven.apache.org/guides/introduction/introduction-to-dependency-mechanism.html#Importing_Dependencies]
* [Dependency mechanism|http://maven.apache.org/guides/introduction/introduction-to-dependency-mechanism.html]
At line 13 added 4 lines
* [maven repository|http://mvnrepository.com/] %%small for searching dependency defs :-) %%
* [How_to_find_dependencies|http://maven.apache.org/general.html#How_to_find_dependencies]
* [Maven Eclipse integration|http://www.devx.com/Java/Article/36785/1954]
* [Sonatype online Maven books|http://www.sonatype.com/books/maven-book/]
At line 16 changed one line
I installed the Eclipse QE plugin by adding [http://q4e.googlecode.com/svn/trunk/updatesite-iam/] to the list of software sites and check the Core features plus the Eclipse IAM editor
%%strike I installed the Eclipse QE plugin by adding [http://q4e.googlecode.com/svn/trunk/updatesite-iam/] to the list of software sites and check the Core features plus the Eclipse IAM editor/%
At line 22 added 10 lines
Better: the m2 maven eclipse integration plugin from [http://m2eclipse.sonatype.org/sites/m2e] .
And also the m2e wtp integration from [http://m2eclipse.sonatype.org/sites/m2e-extras/]
Some problems with Eclipse Helios to integrate Eclipse with maven (I want the maven dependencies to be on the webapps classpath when running them in tomcat from within eclipse).
Steps :
* Create new Dynamic Web Project
* Right-click project => Maven => Enable Dependencies
* Right-click project => Properties => Deployment Assembly => Add Java Build libraries => Maven classpath container
At line 64 changed one line
metskem@gneisenau:~$ mvn install:install-file -Dfile=/home/metskem/java_libs/com.ibm.ws.admin.client_7.0.0.jar -DgroupId=com.ibm.websphere -DartifactId=admin.client -Dversion=7.0.0 -Dpackaging=jar -DgeneratePom=true
metskem@gneisenau:~$ mvn install:install-file -Dfile=/home/metskem/java_libs/com.ibm.ws.admin.client_7.0.0.jar -DgroupId=com.ibm.websphere \
-DartifactId=admin.client -Dversion=7.0.0 -Dpackaging=jar -DgeneratePom=true
At line 98 added 4 lines
The same was done for __stripesstuff__ :
%%small
{{mvn install:install-file -Dfile=/home/metskem/java_libs/stripesstuff-0.2.jar -DgroupId=net.sourceforge.stripes -DartifactId=stripesstuff -Dversion=0.2 -Dpackaging=jar -DgeneratePom=true}}
%%
At line 86 changed one line
I had to add the webXml attribute to specify the location of the web.xml file, this can be done in the pom.xml, see the following snippet:\\
I had to add the __webXml__ and __containerConfigXML__ attributes to specify the location of the web.xml and context.xml (Tomcat) file, and also the __warName__ attribute, this can be done in the pom.xml, see the following snippet:\\
At line 117 added 2 lines
<containerConfigXML>WebContent/META-INF/context.xml</containerConfigXML>
<warName>WebTest</warName>
At line 123 added 103 lines
The war file then contains the following :
%%small
{{{
metskem@gneisenau:~/workspace/WebTest$ mvn war:war
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Building WebTest
[INFO] task-segment: [war:war]
[INFO] ------------------------------------------------------------------------
[INFO] [war:war {execution: default-cli}]
[INFO] Exploding webapp...
[INFO] Copy webapp webResources to /home/metskem/workspace/WebTest/target/WebTest-1.0-SNAPSHOT
[INFO] Assembling webapp WebTest in /home/metskem/workspace/WebTest/target/WebTest-1.0-SNAPSHOT
[INFO] Generating war /home/metskem/workspace/WebTest/target/WebTest-1.0-SNAPSHOT.war
[INFO] Building war: /home/metskem/workspace/WebTest/target/WebTest-1.0-SNAPSHOT.war
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESSFUL
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1 second
[INFO] Finished at: Sat Oct 02 14:35:42 CEST 2010
[INFO] Final Memory: 4M/53M
[INFO] ------------------------------------------------------------------------
metskem@gneisenau:~/workspace/WebTest$ jar -tf target/WebTest-1.0-SNAPSHOT.war
META-INF/
META-INF/MANIFEST.MF
WEB-INF/
WEB-INF/lib/
WEB-INF/classes/
WEB-INF/classes/nl/
WEB-INF/classes/nl/rabobank/
WEB-INF/classes/nl/rabobank/hdw/
WEB-INF/classes/nl/rabobank/hdw/util/
WEB-INF/classes/nl/rabobank/hdw/servlets/
META-INF/context.xml
WEB-INF/lib/commons-logging-1.1.jar
WEB-INF/lib/log4j-1.2.12.jar
WEB-INF/lib/avalon-framework-4.1.3.jar
WEB-INF/lib/logkit-1.0.1.jar
WEB-INF/classes/.mavenResources.target.classes
WEB-INF/classes/nl/rabobank/hdw/util/RaboURLReader.class
WEB-INF/classes/nl/rabobank/hdw/util/Util.class
WEB-INF/classes/nl/rabobank/hdw/util/RaboRasMessage.class
WEB-INF/classes/nl/rabobank/hdw/servlets/LogTestServlet.class
WEB-INF/classes/nl/rabobank/hdw/servlets/SSLTestServlet.class
WEB-INF/classes/nl/rabobank/hdw/servlets/IvpServlet.class
WEB-INF/web.xml
META-INF/maven/
META-INF/maven/computerhok.nl/
META-INF/maven/computerhok.nl/WebTest/
META-INF/maven/computerhok.nl/WebTest/pom.xml
META-INF/maven/computerhok.nl/WebTest/pom.properties
}}}
%%
!! JAR Bloat ?!
It appears that maven dependency includes more jars than when you build your war the traditional way (manually importing jars into WEB-INF/lib, only those you need).\\
See the following differences :
__traditional way__
{{{
tomcat@kruimelhost:/usr/local/tomcat/webapps$ jar -tf krm2.war |grep lib|sort
WEB-INF/jsp/taglibs.jsp
WEB-INF/lib/
WEB-INF/lib/commons-beanutils-1.8.2.jar
WEB-INF/lib/commons-collections-3.2.1.jar
WEB-INF/lib/commons-lang-2.3.jar
WEB-INF/lib/commons-logging-1.1.1.jar
WEB-INF/lib/displaytag-1.2.jar
WEB-INF/lib/itext-1.3.jar
WEB-INF/lib/log4j-1.2.16.jar
WEB-INF/lib/mail.jar
WEB-INF/lib/stripes.jar
WEB-INF/lib/stripesstuff-0.2.jar
}}}
__maven way__
{{{
metskem@gneisenau:~/workspace/krm2$ jar -tf target/krm2.war |grep lib|sort
WEB-INF/lib/
WEB-INF/lib/activation-1.1.jar
WEB-INF/lib/commons-beanutils-1.7.0.jar
WEB-INF/lib/commons-collections-3.1.jar
WEB-INF/lib/commons-lang-2.4.jar
WEB-INF/lib/commons-logging-1.0.jar
WEB-INF/lib/displaytag-1.2.jar
WEB-INF/lib/itext-1.3.jar
WEB-INF/lib/jcl104-over-slf4j-1.4.2.jar
WEB-INF/lib/log4j-1.2.12.jar
WEB-INF/lib/mail-1.4.jar
WEB-INF/lib/slf4j-api-1.4.2.jar
WEB-INF/lib/slf4j-log4j12-1.4.2.jar
WEB-INF/lib/stripes-1.5.2.jar
WEB-INF/lib/stripesstuff-0.2.jar
}}}
It does appear that switching to lower versions of dependencies, you get less jars that are required.
At least you can now see the dependency tree :
[krm2-maven-dependency.png]
This page (revision-15) was last changed on 23-Apr-2022 17:06 by Harry MetskeTop