Thanks to those info http://www.ralfebert.de/blog/wicket/wicket_eclipse_setup/ and How can I begin using Wicket? now I am able to edit Java code and html files with Eclipse, and run it to get Jetty started.
However there are still two problems which do not allow me to repeatedly run the project:
I have to stop previous run in order to run it again
unlike regular Java project, where I could simply choose "run", now I have to go into "Run Configuration", select Maven Build type, and below select my project to run, and then finally click "run"
ad.1. How to make Eclipse stop the previous run on next run -- i.e. I would like to just run project, and Eclipse should either run it, or stop previous one and run it again
ad.2. how to "bind" Run/Run to running my configuration (Maven Build / my project)?
Thank you in advance for help.
Another simply option is to use a Start class with a main that runs and embedded jetty. Then you will be able to run and debug your application as a normal desktop java application with your IDE.
Check the example start file that comes with the wicket quickstart here:
https://github.com/jordeu/wicket/blob/master/archetypes/quickstart/src/main/resources/archetype-resources/src/test/java/Start.java
Related
Is there a foolproof simple method to run and debug a Simple (tutorial level) Maven Web App in a local apache tomacat server from Eclipse Mars?.
I am developing a web app and I am able to run it sometimes, and sometimes not, and I am able to debug it sometimes, and sometimes not. Its a bit frustrating.
My current preference is to run the project from a Maven configuration having as goal tomcat:run. It builds and runs always, but it wont debug, i.e. if I place a breakpoint within my Java code in the servlet code, it is not reached. (some times it is reached the first time I run the project, but then it fails to find the source code of some file, and stops breaking for the subsequent runs...)
I have tried also "Debug on Server" configuration, but then, in that case I had to run a Maven install before running the project or, otherwise, some classes would not be found. And that also stopped working now. It just cant find some of the classes from src, although the Web Deployment Assembly configuration has the source being deployed into WEB-INF/classes.
(you may have been downvoted because there are a few questions lumped in to one. I'll try to answer them all because I'm all too familiar with your pain)
Eclipse's maven integration is notoriously flaky when it comes to debugging webapps, even with MARS. You can indeed use tomcat6:run or tomcat7:run for webapps. Here's a few 'best practices' that keep me sane:
Always execute 'clean' as part of the goal.
Make sure you follow the standard maven WAR project layout. You can break from this but have to be careful to specify all the overridden paths for META-INF etc.
When you stop/kill the process in Eclipse, you will often find that the process actually continues running but has detached itself from eclipse.exe as a parent process. You need to manually kill the java.exe process or you'll find 'port already in use' errors. ProcessExplorer is very useful for keeping an eye on this.
When you hit a breakpoint and it says 'source not found', there are a few things you can try.
Add your maven installation under window-preferences - maven/installations. Set this as the default one.
In your run configuration, make sure that you are using your system installation instead of the embedded one.
When you hit a breakpoint, close the editor and then reopen it by clicking on the point in the debug tree.
So you are trying to debug a maven project with goal "tomcat:run" in Eclipse and the application is breaking at the breakpoints set but you are getting "Source not found" error.
Follow the below steps to fix this:
Go to your debug configuration
In the Main tab, make sure you have "Resolve Workspace artifacts" checked
Make sure the Base Directory is set as your maven project
In the Source tab, make sure you have added your project as a "Java Project" or "Workspace" or "Project"
Step 4 is important, Add -> Java Project/Project and select your project
New to Eclipse and Solr, I imported apache-solr-3.6.0.war into Eclipse and run Solr with tomcat plugin. Now i want to debug some existing code, however how do i import the Solr source code?
Without knowing how you imported it exactly: sounds like you are looking for Source attachment.
It might be better if you use the Solr source code directly. Check the README file included in the release, there is an ant task to init eclipse:
To setup your ide run [...] 'ant eclipse'.
Then all dependencies are loaded using ivy and you can run it from within the IDE.
You can also check out the whole Lucene/Solr source:
install Subclipse add-in
choose New... > Project...
SVN > Checkout projects from SVN...
add this link as new repository
select branch /branches/lucene_solr_3_6 (if you want last stable version. Use trunk if you want to use cutting edge source)
choose Check out as a project in a workspace and leave everything else default
Then, after the checkout completes, to complete setup, you don't have to fiddle with JARs manually, simply:
right click on main build.xml, the one in your project's root
choose Run As... > Ant build... select (in this order)
ivy-bootstrap and resolve tasks (which will download all JAR dependencies)
then run in this order: validate, clean-idea, eclipse, compile, get-maven-poms, generate-maven-artifacts (the last two only if you plan to use Maven).
And that's it, you should now see no redness in your workspace and have Lucene and Solr JARs built.
Run solr like this:
java -jar -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=1044 start.jar
Solr will start, but wait you to connect from Eclipse to continue.
Then in Eclipse, go to:
Run / Debug Configurations...
Select Remote Java Application
Press New button to create a new remote configuration
put 1044 on port
Click on Debug
This is the standard way to debug remote applications in Java
./solr start -p 8983 -f -a "-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=0.0.0.0:8000"
Start solr with
provide app run on port 8983
provide Xrunjdwp:transport=dt_socket
remote ip address 0.0.0.0:8000
and then go to eclipse
I am using a the NetBeans 7.x IDE. I have a Netbeans Application module. I use the Build and the Run buttons from the IDE. The module runs just fine when I press Run Project or F6 button. I like to run
this from the command line. Since everything was build automatically for
me I have no idea where things are or how to run it. There are several jar files in the project/build/public-package-jars. Is there a way to see what command and options the Run Project is using ?
Go to the root of the application (or wherever there is a build.xml file) on the command line and run ant -p. That will list all of the available options for building and running the application.
I am a beginner in using Eclipse and PyDev (Aptana Studio 3). I am not used to and i don't understand the workflow in such big IDEs as Eclipse.
I have a simple task: i have a simple Python script, which i want to open and run in Eclipse, having its output in Eclipse console. Or debug it.
Until now i used another IDE called Eric4, which allowed me to do what i want - open a file and run immediately, without creating a project or setting up launch configurations.
Is this possible in Eclipse, or i have to create a project for each file i want to run or debug? I want to understand how it works.
I guess i understand that creating a project is needed at least for settings up the paths (PYTHONPATH), but if it's a single script - somehow to use by default the current directory?
For example i have a folder called snippets where i keep a lot of python scripts which demonstrate some functionality. How do i open these files one by one and run them?
Most of my coworkers launch python scripts in a separate console - python my_scipt.py.
You need to have at least one project with the configuration you want (i.e.: syntax type, interpreter), then, open the file you want to run and press F9.
If it's an external file -- i.e.: a file that's not under a project in Eclipse -- it'll ask you to associate a project with the launch to get the needed information for the launch, but the file doesn't really have to be in the project (note that you can drag external files from your filesystem into Eclipse to open them).
I suggest you follow the steps on the getting started: http://pydev.org/manual_101_root.html (it guides you to configuring PyDev and explains how to do a run/debug session).
Is it possible to implement or extract batch file in eclipse and debug java project in debug mode. Because without batch file I can't debugging my project and can't set breakpoint.Or some another solution. How to debug my application with use .bat file to start my java project.
Is it possible to implement or extract batch file in eclipse and debug java project in debug mode.
Hmm... You can do everything you do with a batch file (assuming you're using it to start a Java program of course) from Eclipse with a Run > Run Configuration... (also available from the contextual menu after a right-click or via the top toolbar).
Because without batch file I can't debugging my project and can't set breakpoint.
Why?! I don't think this is true.
Or some another solution.
Start your class/project in debug mode using Run > Debug (reusing or creating a new Run > Debug Configuration...). Again, this is also available from the contextual menu after a right-click or via the top toolbar.
How to debug my application with use .bat file to start my java project.
To be fully exhaustive, you can run an external program from Eclipse using an Run > External Tools > External Tools Configuration.... And you could indeed use remote debugging options and connect a remote debugger from Eclipse. But honestly, I don't think you need that.
Maybe you should explain what you're trying to do more precisely.
Try remote debugging. Eclipse can attach to remote Java processes, but the Java program must be started with special keys. I don't remember them, google/help for your service.