I'm trying to convert a project from maven to gradle, but I'm having trouble getting hot reloading to work the same way. I can't show the actual project so I've created two identical very simple projects. One with maven one with gradle. These projects contain two modules:
project
|____api
|____lib
The /api module contains a spring-boot app which depends on code from the /lib module
In the maven project I can change code in either of these modules and recompile either with my IDE (intellij) or with the maven cli and spring-boot-devtools will hot reload the application. However in the gradle version it only successfully hot reloads code that has changed in the /api module.
From what I gathered this seems like a classpath issue. If you run gradle or maven in debug mode it prints out the classpath it passes when it starts the application. Maven includes <project_dir>/lib/target/classes/kotlin/main. However gradle only includes <project_dir>/lib/build/libs/lib.jar
I'm very new to gradle to I might have some of the build configuration messed up. Here are the two project repo's:
Maven: https://github.com/Perry-Olsson/mvn-hot-reload
Gradle: https://github.com/Perry-Olsson/gradle-hot-reload
Related
I'm using maven to set up a war project in IntelliJ and run in it GlassFish. The war project depends on several other modules. When I run the project in debug mode, hot deploying codechanges of the changes results in NoClassDefFound exceptions. I found out that IntelliJ tries to redeploy the module jar but GlassFish keeps a lock on it so it fails. All the classes in that module are now unavailable, causing these NoClassDefFound exceptions.
IntelliJ generates the artifacts this way: the dependent modules are all added as jar dependencies as if they were external dependencies:
Now, when I remove the jar dependencies, IntelliJ tells me it found some missing dependencies and proposes a fix to add the missing dependencies.
Fixing those dependencies will add the module compile output to the WEB-INF\classes folder.
Once deployed, IntelliJ has no problem anymore hot-deploying changed classes to GlassFish since there's no jar to keep a lock on.
Problem
Every time I make a change to any pom.xml, IntelliJ refreshes the artifacts automatically, which is fine: I definitely want to see those changes appear in the artifact. However, all modules are added as jar dependencies again.
Question
How can I make sure that IntelliJ adds the compile output of project modules to WEB-INF\classes and not to WEB-INF\lib?
I found this question but it has two problems:
There are many module dependencies so if possible I'd like to avoid specifying them all one by one in the unpack goal
IntelliJ seems to ignore this. When I add that configuration and while it works perfectly in a maven commandline build, IntelliJ still refuses to add the module compile output to the WEB-INF\classes dir
I found a bugreport that asks about the same thing but for me it's hard to believe there's no way to solve this problem. Other webapp developers using IntelliJ must have this same issue, making it difficult to hot-deploy code changes, unless I did something wrong in my pom configuration.
I have Dynamic Web Application project in eclipse that was converted to maven project.
Problem is that all dependencies are copied to:
<project>/target/<project>-SNAPSHOT/WEB-INF/lib
not <project>/WebContent/WEB-INF/lib
so when I run application from eclipse, there are no libs from maven and I get some errors.
I assume that application started from eclipse i.e on tomcat server gets it source from <project>/WebContent/WEB-INF/lib.
You should use m2e (Maven Plugin for Eclipse). It automatically adds Maven dependencies to the classpath, so you don´t need them in /WEB-INF/lib while running from Eclipse.
So I was following http://www.mkyong.com/jsf2/jsf-2-0-hello-world-example/ for a simple tutorial on how to use maven and jsf. I created a maven project by running mvn archetype:generate -Dfilter=org.apache:maven-archetype-webapp in my command prompt. Then I continued with the tutorial, I wound up creating all necessary files, but then when I got to the end, I realized I did have a server created. So I created one real quick, but when it came to the point of adding files to the server (from the add or remove dialog box), no projects or files showed up. I am not on my computer where the project is located so I can't copy/paste the .pom file in, but it looks practically exactly like the pom in the tutorial (only difference is groupId, artifact, ect.) No additional plugins, dependencies, or configs.
Do you want to deploy the webapp within Eclipse to Tomcat? Or as some sort of automatic/continuous deployment?
Within Eclipse you often need to add the Dynamic Web project and JSF facets to your project so Eclipse recognizes the project as deployment capable. If you are using m2eclipse make sure to install the m2eclipse wtp add on so this is done automatically.
If you want to add auto-deployment to the pom.xml I recommend using the maven cargo plugin: http://cargo.codehaus.org/Maven2+plugin - it supports the major containers.
For tomcat you need to modify the tomcat-users.xml to allow auto-deployment and leave the tomcat-manager application in place. If you have startet tomcat and pointing your browser to http://localhost:8080/manager/html/list it should either tell you to login or what to add to that file.
The configured user is then used in the configuration to deploy the war file via the tomcat-manager using the mvn cargo:deploy goal. The configuration has to be added to the pom.xml using war as packaging, not to the parent-pom.xml
I've got a Grails application as part of a larger Java source bas that's all built with Maven. I'd like to include the Grails app in the Maven continuous integration, nightly builds, etc.
(Ideally I'd also like it to be part of a Maven parent-project hierarchy, so I could pick up live code changes from other projects without having to install them into my local repository. I would also like a pony.)
I tried running "grails create-pom", setting "pom true" in BuildConfig.groovy, and using the POM to manage my dependencies. However, this left me stuck in org.xml.sax.Locator classloader hell. So I went back to using BuildConfig.groovy for my dependencies.
I understand that "pom true" is a recent (Grails 2.1.0) feature, and it should be possible to integrate Grails into a Maven build while still managing dependencies in BuildConfig.groovy. Problem is, I can't find any documentation on what should go into the POM in that case. What do I put in my POM?
I have a multi module maven project (a war) on of these modules utilized executes a post-compile step to update JiBX bindings.
I would like to use IntelliJ to build and deploy this project. However I can't seem to figure out how to get IntelliJ to kick off the JiBX compiler. Any thoughts?
If it isn't possible to kick off the JiBX compiler, I'd like IntelliJ to treat the module that requires the JiBX compilation step as a "normal" dependency and simply pull the appropriate jar from my local maven repository.
If you don't have this already... in your IntelliJ run/debug configuration check the "Run Maven Goal" checkbox and choose jibx:bind from the jibx entry under plugins.