Questions tagged [maven-2]
Apache Maven is a software project management and comprehension tool. This is a tag for Maven related questions that are specific to Maven versions 2.x.
maven-2
5,695
questions
2909
votes
33
answers
2.0m
views
How can I create an executable/runnable JAR with dependencies using Maven?
I want to package my project in a single executable JAR for distribution.
How can I make a Maven project package all dependency JARs into my output JAR?
- 29.6k
906
votes
12
answers
766k
views
How do I tell Maven to use the latest version of a dependency?
In Maven, dependencies are usually set up like this:
<dependency>
<groupId>wonderful-inc</groupId>
<artifactId>dream-library</artifactId>
<version>1.2.3</...
- 20.9k
746
votes
24
answers
458k
views
Can I add jars to Maven 2 build classpath without installing them?
Maven 2 is driving me crazy during the experimentation / quick and dirty mock-up phase of development.
I have a pom.xml file that defines the dependencies for the web-app framework I want to use, and ...
purple
716
votes
14
answers
504k
views
Run a single test method with maven
I know you can run all the tests in a certain class using:
mvn test -Dtest=classname
But I want to run an individual method and -Dtest=classname.methodname doesn't seem to work.
- 9,754
575
votes
7
answers
423k
views
Maven Modules + Building a Single Specific Module
I have a multi-module Maven project with a parent project P and three sub-modules A, B, and C. Both B and C are war projects and both depend on A.
I can type mvn compile in P and have all of the ...
- 7,817
519
votes
7
answers
377k
views
How can I configure encoding in Maven?
When I run maven install on my multi-module Maven project I always get the following output:
[WARNING] File encoding has not been set, using platform encoding UTF-8, i.e. build is platform dependent!
...
- 16.2k
450
votes
16
answers
653k
views
Including dependencies in a jar with Maven
Is there a way to force maven(2.0.9) to include all the dependencies in a single jar file?
I have a project the builds into a single jar file. I want the classes from dependencies to be copied into ...
- 4,587
389
votes
4
answers
634k
views
Maven: Command to update repository after adding dependency to POM
I've added a new dependency to my POM.
Is there a simple command I can run to download this dependency to my repository?
- 19.5k
383
votes
7
answers
443k
views
Maven command to determine which settings.xml file Maven is using
How do I use maven command line to determine which settings.xml file Maven is picking up?
- 13.3k
361
votes
8
answers
245k
views
Is there a simple way to remove unused dependencies from a maven pom.xml?
I have a large Maven project with many modules and many pom.xml files. The project has changed and I suspect the pom's contain some unnecessary dependencies. Is there is a command which removes any ...
thickosticko
360
votes
5
answers
382k
views
Maven artifact and groupId naming
I'm currently in the process of moving some project from Ant to Maven. Conformist as I am, I want to use well-established conventions for finding groupId and artifactId, but I can't find any detailed ...
- 4,071
320
votes
5
answers
209k
views
Making Maven run all tests, even when some fail
I have a project with several modules. When all tests pass, Maven test runs them all.
When tests fail in the first module, maven will not continue to the next project. I have testFailureIgnore set to ...
- 228k
310
votes
10
answers
700k
views
How to get a dependency tree for an artifact?
dependency:tree can be used to see the dependency tree for a given project. But what I need is to see the dependency tree for a 3rd party artifact.
I guess I can create an empty project, but I'm ...
- 28.9k
309
votes
21
answers
545k
views
SLF4J: Class path contains multiple SLF4J bindings
I'm getting the following error. It seems there are multiple logging frameworks bound to slf4j. Not sure how to resolve this. Any help is greatly appreciated.
SLF4J: Class path contains multiple SLF4J ...
- 6,106
308
votes
22
answers
482k
views
Find Oracle JDBC driver in Maven repository
I want to add the oracle jdbc driver to my project as dependency (runtime scope) - ojdbc14.
In MVNrepository site the dependency to put in the POM is:
<dependency>
<groupId>com.oracle&...
- 8,490
302
votes
16
answers
355k
views
Make Maven to copy dependencies into target/lib
How do I get my project's runtime dependencies copied into the target/lib folder?
As it is right now, after mvn clean install the target folder contains only my project's jar, but none of the ...
- 3,149
298
votes
2
answers
357k
views
run main class of Maven project [duplicate]
I've created a simple console Java application that is built with Maven. Is there a way that the main class (which doesn't require any arguments) can be run from the command-line using a maven command ...
- 186k
297
votes
4
answers
162k
views
Maven parent pom vs modules pom
There seem to be several ways to structure parent poms in a multiproject build and I wondering if anyone had any thoughts on what the advantages / drawbacks are in each way.
The simplest method of ...
- 9,184
289
votes
34
answers
230k
views
How to get Maven project version to the bash command line
Previous I issued a question on how to change Maven project vesion from command line which lead me to a new issue.
Previously I was able to get the version number since the version was stored as a ...
- 4,392
273
votes
12
answers
311k
views
Exclude all transitive dependencies of a single dependency
In Maven2, to exclude a single transitive dependency, I have to do something like this:
<dependency>
<groupId>sample.group</groupId>
<artifactId>sample-artifactB</...
- 14.4k
271
votes
10
answers
410k
views
Maven: add a dependency to a jar by relative path
I have a proprietary jar that I want to add to my pom as a dependency.
But I don't want to add it to a repository. The reason is that I want my usual maven commands such as mvn compile, etc, to work ...
- 269k
271
votes
7
answers
170k
views
Build Maven Project Without Running Unit Tests
How do you build a Maven project without running unit tests?
Currently restructuring some code I have for a Servlet and would like to try it out in my web browser (which means running mvn install to ...
- 34.3k
260
votes
9
answers
289k
views
Convert Existing Eclipse Project to Maven Project
For a project at work, we're considering using the Maven plugin for Eclipse to automate our builds. Right now the procedure is far more complicated than it ought to be, and we're hoping that Maven ...
- 12.7k
247
votes
14
answers
295k
views
How can I download a specific Maven artifact in one command line?
I can install an artifact by install:install-file,
but how can I download an artifact?
For example:
mvn download:download-file -DgroupId=.. -DartifactId=.. -Dversion=LATEST
- 14.3k
237
votes
11
answers
304k
views
Maven dependency for Servlet 3.0 API?
How can I tell Maven 2 to load the Servlet 3.0 API?
I tried:
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version&...
- 91.3k
236
votes
10
answers
449k
views
Controlling Maven final name of jar artifact
I'm trying to define a property in our super pom which will be used by all child projects as the destination of the generated artifact.
For this I was thinking about using project/build/finalName yet ...
- 29.9k
218
votes
4
answers
139k
views
Maven: how to do parallel builds?
When you build with maven on a multicore / multi-CPU machine it would often be possible to build different subprojects in parallel. Is there a way to do this with maven? Is there a plugin for this / ...
- 25.8k
217
votes
10
answers
200k
views
Maven compile with multiple src directories
Is there a way to compile multiple java source directories in a single maven project?
- 23.5k
215
votes
14
answers
357k
views
Best practices for copying files with Maven
I have config files and various documents that I want to copy from the dev environment to the dev-server directory using Maven2. Strangely, Maven does not seem strong at this task.
Some of the ...
- 19.4k
215
votes
13
answers
112k
views
What causes imported Maven project in Eclipse to use Java 1.5 instead of Java 1.6 by default and how can I ensure it doesn't?
I imported a Maven project and it used Java 1.5 even though I have 1.6 configured as my Eclipse default Preferences->Java->Installed JREs.
When I changed the Maven project to use the 1.6 JRE ...
- 3,440
212
votes
8
answers
82k
views
Maven check for updated dependencies in repository
Is there a Maven plugin that allows you to check if there are newer versions of dependencies available in the repository?
Say, you are using dependency X with version 1.2. Now a new version of X is ...
- 2,133
210
votes
10
answers
311k
views
How do I get my Maven Integration tests to run
I have a maven2 multi-module project and in each of my child modules I have JUnit tests that are named Test.java and Integration.java for unit tests and integration tests respectively. When I execute:...
- 5,338
203
votes
5
answers
72k
views
Sharing Test code in Maven
How can you depend on test code from another module in Maven?
Example, I have 2 modules:
Base
Main
I would like a test case in Main to extend a base test class in Base. Is this possible?
Update:...
- 15.5k
202
votes
13
answers
179k
views
Get Maven artifact version at runtime
I have noticed that in a Maven artifact's JAR, the project.version attribute is included in two files:
META-INF/maven/${groupId}/${artifactId}/pom.properties
META-INF/maven/${groupId}/${artifactId}/...
- 24k
198
votes
4
answers
130k
views
Disable a Maven plugin defined in a parent POM
I am using a parent POM that defines a plugin that I do not want to be run in a child POM. How can I disable the plugin in the child pom completely?
Constraint: I cannot change the parent POM itself.
- 10.3k
197
votes
13
answers
352k
views
Force re-download of release dependency using Maven
I'm working on a project with dependency X. X, in turn, depends on Y.
I used to explicitly include Y in my project's pom. However, it was not used and to make things cleaner, I instead added it to X'...
- 5,286
192
votes
15
answers
434k
views
Specify JDK for Maven to use
I am trying to build a Hudson plugin I've modified and it requires jdk1.6. This is fine, but I don't see how I can tell maven where the different jdk is. I've found few mentions on the internet but ...
- 5,139
190
votes
8
answers
395k
views
Importing Maven project into Eclipse
I want to import existing Maven project into Eclipse. I found 2 ways to do it:
Through running from command line mvn eclipse:eclipse
To install Maven Eclipse plugin from Eclipse.
What is the ...
- 5,311
189
votes
11
answers
205k
views
How to change maven logging level to display only warning and errors?
I want to prevent maven from displaying INFO messages, I want to see only WARNINGS and ERRORS (if any).
How can I achieve this, preferably by changing the command line that calls maven?
- 167k
188
votes
18
answers
170k
views
Get source jar files attached to Eclipse for Maven-managed dependencies
I am using Maven (and the Maven Eclipse Integration) to manage the dependencies for my Java projects in Eclipse. The automatic download feature for JAR files from the Maven repositories is a real time ...
- 261k
187
votes
9
answers
190k
views
Differences between Ant and Maven [closed]
Could someone tell me the differences between Ant and Maven? I have never used either. I understand that they are used to automate the building of Java projects, but I do not know where to start from.
rtacconi
186
votes
5
answers
289k
views
Maven: how to override the dependency added by a library
Here's my generic problem:
My project P depends on A which depends on B which depends on C which depends on version 1.0.1 of D.
There's a problem with version 1.0.1 of D and I want to force the use of ...
- 14.6k
183
votes
16
answers
379k
views
Maven: best way of linking custom external JAR to my project?
It's my first couple of days learning Maven and I'm still struggling with the basics. I have an external .jar file (not available in the public repos) that I need to reference in my project and I'm ...
- 7,805
181
votes
15
answers
166k
views
Spring 3.0 - Unable to locate Spring NamespaceHandler for XML schema namespace [http://www.springframework.org/schema/security]
Any ideas what could be the cause of this?
Unable to locate Spring
NamespaceHandler for XML schema
namespace
[http://www.springframework.org/schema/security]
org.springframework.web.context....
- 51.8k
170
votes
12
answers
247k
views
Is there anyway to exclude artifacts inherited from a parent POM?
Artifacts from dependencies can be excluded by declaring an <exclusions> element inside a <dependency> But in this case it's needed to exclude an artifact inherited from a parent project. ...
- 2,109
169
votes
2
answers
193k
views
mvn clean install vs. deploy vs. release
I am just learning maven, and we have recently needed to go more and more. I would like to know the difference between
mvn clean install
mvn release
mvn deploy
Please be as descriptive as possible.
- 20.7k
168
votes
6
answers
103k
views
Is it possible to rename a maven jar-with-dependencies?
I'm currently using the jar-with-dependencies assembly to create such a jar. However, the name of my jar is a bit long.
Since this jar is being used by RPG programs on an AS400, I'd like to ...
- 6,009
160
votes
4
answers
420k
views
Sample settings.xml
How to configure settings.xml in Maven?
Also, please share a sample settings.xml!
- 1,617
156
votes
14
answers
213k
views
Unable to use Intellij with a generated sources folder
Related question
How to configure IntelliJ IDEA and/or Maven to automatically add directories with Java source code generated using jaxb2-maven-plugin?
I have a custom plugin that generates sources ...
- 17.3k
153
votes
12
answers
249k
views
Warning - Build path specifies execution environment J2SE-1.4
I create a Maven project in Eclipse Helios. It works fine for a day, but then this warning shows up:
Build path specifies execution environment J2SE-1.4. There are no JREs installed in the ...
- 1,553