I am new to Spring batch and want to run a batch with a command line using CommandLineJobRunner class, So I copied the generated jar file and CommandLineJobRunner to my Desktop and after I ran the following command:
Java -cp spring-batch-example.jar org.springframework.batch.core.launch. support. CommandLineJobRunner classpath: /jobs/file-import-job. xml simpleFileImportJob
which give this error (impossible to find or load main org. springframework. batch. core. launch. support. CommandLineJobRunner).
I think that I should deal with the classpath, I don't know how doing it.
You need to add Spring Batch jars to the classpath too, something like:
java -cp spring-batch-example.jar:lib/* org.springframework.batch.core.launch.support.CommandLineJobRunner classpath:/jobs/file-import-job.xml simpleFileImportJob
where lib contains Spring Batch jars and their dependencies. Note that if you are on windows, you need to use ';' instead of ':' to separate classpath entries.
I recommend to use maven shade plugin or a similar plugin to create an uber jar, or use Spring Boot and it will do it for you. In both cases, you would be able to run your job with:
java -jar spring-batch-example.jar
Related
I am have this Exception please help me!
"Error occurred during initialization of boot layer
java.lang.module.Find Exception: Module test not found"
But i write VM option "--module-path "D:\UT java\javafx-sdk-17.0.1\lib" --add-modules javafx.controls,javafx.fxml"
and i have module-info.java "
requires javafx.fxml;
requires javafx.controls;
requires javafx.graphics;
requires java.sql;
requires java.desktop;
requires jdk.jfr;"
i add my sdk. And if i create javafx demo project and execute him it work. and if i start change fxml file and change controller i have this exception.
I have IntellIJIdea 2021, javafx-sdk-17.0.1, jdbc jr 8,11,16
Steps to fix:
Delete the JavaFX sdk (you don’t need it).
Delete old Java versions (they are obsolete).
Update your IntelliJ IDE and IDE plugins to the most recent release, 2021.3.2+.
Create a new JavaFX project using JDK and JavaFX 17.0.2+.
Select Maven for the build system unless you know and prefer Gradle.
Do not set VM arguments, you don’t need them.
Adding modules via the --add-modules VM arguments is unnecessary when you have a valid module-info.java file.
The --module-path is still required so that the modules can be found, but Idea will provide the correct path for your modules automatically when it recognizes the modules through your Maven dependencies.
So you don't need to explicitly define the --module-path VM argument yourself for a Maven based build (that would be difficult to do anyway because the modules are all downloaded to different directories in your local maven repository).
Test it works following the Idea create new JavaFX project execution instructions.
Add additional modules one at a time by adding their maven dependency to pom.xml and the requires clause to module-info.java.
Ensure you synchronize the Maven and Idea projects between each
addition.
See, for example, this question on correctly adding the javafx.media module.
Adding other modules such as javafx.web, javafx.fxml or javafx.swing follows a similar pattern.
Test between each addition by building and running the project, to ensure you haven’t broken anything.
Copy your original source code into the appropriate package directories under the new project source directory:
src/main/java
Place resources in:
src/main/resources
following the Eden resource location guide.
Fix any errors, ensure everything compiles and runs, then test it.
I know you can solve this by adding
--module-path "pathToLib" --add-modules javafx.controls,javafx.fxml,javafx.graphics when running the jar file in command line.
But my question is, Is there no permanent solution to solve this error in system settings or configurations and be able to run a jar file as normal as java -jar myfile.jar rather than every time I am suppose to add the module java --module-path "C:\Users\..\Downloads\javafx-sdk-17.0.2\lib" --add-modules javafx.controls,javafx.fxml,javafx.graphics -jar myfile.jar
Also I know you can make a script for this operation for every jar file, but I was thinking of something like system settings or configuration that will be applicable for all jar file with javafx, and be able to run the jar file as normal as java -jar myFile.jar
I am using Ant as a build tool.
Recommended Alternatives
See the packaging resources of the JavaFX tag for recommended alternate solutions to a jar distribution: jlink, jpackage, or native image.
Using JRE's that include JavaFX
Pre-installed JREs that include JavaFX, such as some Bellsoft, Zulu, and Corretto distributions, will execute JavaFX apps without additional module specifiers because they include the JavaFX modules in the base module setup for their distributions.
Note, you must use the correct versions of the JDKs if you want a JDK which includes JavaFX (not all JDKs include JavaFX):
for BellSoft, download and install the "Full JDK", not the "Standard JDK".
for Zulu, download and install the package type "JDK FX", not "JDK".
You can also create your own JRE distribution that includes JavaFX modules using jlink (which is actually simpler to do than it may sound).
Using ant to build a single JAR containing App and JavaFX components
But I still hope that there might be a solution for the above while working with ANT as building tool for JavaFX.
There is some info on building modular JavaFX apps with ant in this answer:
bad name in value for --add-modules when trying to compile through ant
It probably isn’t everything you are looking for though.
To create a single executable jar using ant, you could try emulating the output of this maven JavaFX shade on classpath answer:
Maven Shade JavaFX runtime components are missing
But use ant tasks to build the massive shaded jar instead of maven. I don’t have explicit instructions for that, you would need to work out to accomplish that non-trivial task yourself.
The created jar will include a launcher class, your application code, dependent library code, JavaFX java, and native code. The jar will run on any modern JRE as long as you have included the native code for the relevant platform. The jar will run in the unsupported classpath configuration.
Zip Distributions
Or (better) create a zip distribution:
only put your own code in your app jar.
place the dependent libraries and JavaFX modules in a lib directory.
Create a script that invokes Java with your jar file running with the modules in the lib directory added.
Make your app modular if possible:
Define a module-info.java.
This step isn’t strictly necessary or reasonably possible for some apps.
Use ant to place everything in a zip file for distribution.
Include a jlink generated JRE in the zip if you want.
Note: the maven JavaFX plugin, once properly configured, can accomplish most of these tasks with a single command:
mvn javafx:jlink
Additional info
See the eden guide for resolving JavaFX runtime components.
Add a module-info.java file under your java/ folder and populate it with the following content:
module module_name {
requires javafx.controls;
requires javafx.fxml;
requires javafx.graphics;
requires java.base;
requires java.desktop;
opens com.example.matformater to javafx.graphics;
opens com.example.matformater.controller to javafx.fxml;}
I am developing an application on opendaylight Carbon (based on Karaf). I need to use a library (specifically dnsjava) in my bundle. How do I go about including this?
I tried the following which did not work:
In my features/pom.xml, I included a mvn dependency for my jar file.
In my features/src/main/features/features.xml, I added a bundle:
<bundle>wrap:mvn:dnsjava/dnsjava/${dnsjava.version}</bundle>
However, I still have an error when I go to start my feature:
Error executing command: Error executing command on bundles:
Unable to execute command on bundle 278: The bundle "gov.nist.sdnmud.impl_0.1.0.SNAPSHOT [278]" could not be resolved. Reason: Missing Constraint: Import-Package: org.xbill.DNS; version="[2.1.0,3.0.0)"
Thanks for any help.
I'm not an expert, but if the artifact doesn't have OSGi properties in the jar, which is likely why you've added the "wrap" prefix, then you have to manually set the required OSGi properties on the features.xml dependency line, in an odd microformat syntax.
In our environment, we have to do something like this:
wrap:mvn:<group>/<artifact>/<version>$Bundle-SymbolicName=<bundlename>&Bundle-Version=<version>
This issue doesn't have anything to do with opendaylight.
I have some Clojurescript source files that output messages to the browser console on a timer. Eventually I would like to make a Clojars library from these files. So far I have created an uberjar using lein. All the user of this library would need to do is :require a namespace from the library, and messages should be emitted to the browser console. Seeing these messages is the "all working fine" test I want to perform.
In other words how do I check that the jar file I have created works? Can I start off with a fresh lein project and just put the jar file in some special 'un-managed' directory and :require the namespace? Actually I don't think you can do such a thing with lein, hence the question.
Assuming you have a project.clj file already with the line
(defproject bigco/biglib "0.1.0-SNAPSHOT”
...
run
lein install
This will build the JAR and install it in your local Maven repo.
Then in your new project, add that dependency and run it.
If your jar (definition of jar includes uberjar of course) does not come neatly from a lein project then an alternative is to use Maven 2 directly:
mvn install:install-file -Dfile=./my-deps.jar -DgroupId=my-deps -DartifactId=my-deps -Dversion=1.0.0 -Dpackaging=jar
Here mvn will store the jar in your local .m2 maven repository. Once stored you can use this jar in any lein project on your machine by referring to it in the dependencies section:
[my-deps "1.0.0"]
Maven documentation for this.
i want to know how to make a jar app which will run on java mobile platform using class file of java.
i know basics of java like inheritance,interface,string.....I tried this thing by compiling my java program of simple input/output and then converting it to jar using -jar in cmd.but i dont know why it is not working on mobile showing invalid file.
plz help me.
If you want to create a jar application, starting from a java class,you don't have to use java -jar filename.jar, this is only for execution.
Try this: jar cf your_jar_app.jar your_class_file.class
c option is needed to create file and f option is needed because you want an output file.
Then you can execute typing: java -jar your_jar_app.jar
Hope this can help you.
For documentation: Oracle Documentation for creating JAR file
If you are using NetBeans IDE, take a look to: NetBeans Packaging and Deploying Java Applications