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Questions tagged [jrebel]

JRebel is a plug-in for the Java Virtual Machine (JVM) that enables instant reloading of changes made to a Java class file.

JRebel is a JVM plugin that makes it possible for Java developers to instantly see any code change made to an app without redeploying. JRebel lets you see code changes instantly, versioning classes and resources individually and updating one at a time instead of as a lump application redeploy.1

JRebel is an alternative solution to updating classes which does not require a debugging session to be started. Instead it monitors the file system for changes and updates the classes in-memory. This means that only classes compiled to ".class" files will be updated and changes to classes in JAR files will be ignored. JRebel imposes a performance overhead on the application and should not be used in production or performance tests. It is meant to be a development tool only.[2]

JRebel is Java-based and usable on any operating system that supports Java. JRebel is IDE-agnostic and designed for integration with various Java EE standards and Java application servers.[4] Although JRebel is subscription-based commercial software, it is freely available to open source software projects and developers using the Scala programming language.

References

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How to properly configure jRebel on Intellij IDEA on a spring boot project:

I remember using jRebel on a non-boot spring project with eclipse and it just worked. I just got the plugin from eclipse's marketplace, installed, restarted the IDE and added the license. No tweaks, no registry dabbling, nothing. It just worked. I…
gtludwig
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How to config jrebel in Hybris backoffice extensions?

After I created one backoffice extension using "ant extgen with ybackoffice template". And I want add jrebel to this backoffice extensions but not reloading when i change code. So, please help me to solve the problem to save time for…
Tu Trinh
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Kotlin with Eclipse and JRebel

I have a JEE project that is purely Java and I have turned it into a Java and Kotlin mixed codebase. I have been using JRebel and when I save a change to a Java class, it is automatically compiled, placed in the project /bin directory as a .class…
Yoshiya
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Controlling JRebel package scope

I am trying to speed up execution of code being debugged with JRebel. In particular, I notice that framework code is slow. I am wondering whether I can tell JRebel to ignore certain packages, in much the same way that we can setup JProfiler to…
Inquisitor Shm
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Swagger generated code keeps being deleted and re-uploaded by JRebel - endlessly

I have a Wildfly Rest service that I generated from Swagger jaxrs-resteasy. The project is maven from a Jetbrains IntelliJ Idea IDE and I am also running jrebel. Everything works great with the entire setup, except that all of the code from the…
Inquisitor Shm
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How to get at runtime the filepath of the servlet class generated fom a JSP?

Question: How can I get at runtime the filepath from where the server is loading the servlet class that was generated for a given JSP file? For instance, I have a JSP file research_form_manage.jsp that is accessible at a certain URL and I want to…
wi2ard
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JReble for Android error

I use JRebel for Android plugin for Android Studio to compile my project. When I run it on device it shows me "Error: A problem occurred configuring project ':app'. Jack is required to support java 8 language features. Either enable Jack or remove…
Lemon
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JRebel cache on Docker

I have using Docker to deploy app using JRebel. My question is: where I can find this directory? /home/exion/.jrebel/cache
Wicia
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Do I have to generate rebel.xml to reload JRebel changes?

I have a simple Spring Boot application and I noticed that it reloaded changes even without the rebel.xml? What is the purpose of that file?
Alex M
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Can I use JRebel without java installed

Will JRebeL work when only Eclipse's embedded java is used? I don't otherwise have java insalled. Do I need to get it in order to use it?
Alejandro McRebel
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Exception when deploying Java app in tomcat8 with spring 4.3 and JRebel

Using... JREBEL 7.0.1.RELEASE Tomcat 8.0.29 JDK 1.8.0_65 Eclipse NEON Recently I have upgraded from Spring 4.2 to 4.3.4.RELEASE When I try to deploy (run or debug) my tomcat server in eclipse,with jrebel enabled, the following error…
Basa
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JRebel remote server as a Service

JRebel has the possibility to deploy an application on a remote server. To do this, according to the documentation, the JRebel agent should be put in the server boot. Later tools like Eclipse provide the ability to connect to the remote server and…
Azimuts
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Intellij jrebel.log - Not watchable file CHANGE

I am using jrebel plugin for Intellij 2016.3 EAP and dont know why lines like these: INFO [22] [IntelliJFSNotify] Not watchable file CHANGE C:\Users\***\AppData\Local\ATI\ACE\Profiles.xml INFO [22] [IntelliJFSNotify] Not watchable file CHANGE…
one_2_three
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Tomcat fails to start using Eclipse, JRebel, and Spring Boot

I am building a Spring Boot application in Eclipse running JRebel and Tomcat 9. I have added JRebel nature to my project, and confirmed that the generated rebel.xml is correct. When I deploy my application to Tomcat and start it, I am greeted by…
secondbreakfast
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Deploy Nativescript on the fly with JRebel for Android

I like Nativescript to build Android Apps but it takes too ling to livesync the changes to Android using the tns livesync android --watch Is there a way to use "JRebel for Android" to do the sync to the Phone while changing code in Nativescript?
R.A
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