Name: Complete JRebel Product Demonstration
Uploaded: 2013-03-19T15:26:32.000Z
Duration: 11 min 57 s
Description: Complete JRebel Product Demonstration

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### Java Development
Users universally praise JRebel's java development capabilities. They highlight the efficiency and speed with which code changes are implemented, eliminating the need for frequent redeployments and server restarts. Developers appreciate the real-time visibility into modifications and the ease of integrating JRebel with popular Java development tools like Eclipse IDE. The tool's ability to streamline dependency management and enhance the overall development process is consistently lauded by users across different projects and applications.

### Code Management
Users generally praise JRebel's efficiency in handling code changes swiftly and effortlessly. The tool's ability to instantly reflect code modifications without the need for server restarts is highly valued among developers. However, there are occasional concerns raised about JRebel not consistently picking up all changes, leading to the necessity of manual restarts in certain scenarios. Despite this drawback, the overall consensus leans towards JRebel being a valuable asset in streamlining code management processes for Java applications.

### Development Tools and Environments
Reviewers have expressed a mix of opinions regarding JRebel's development tools and environments capabilities. While many users find the integration with popular Java development tools like IntelliJ IDEA, Eclipse, and NetBeans to be convenient and efficient, some have encountered issues with changes not being picked up promptly, necessitating occasional restarts. The tool's ability to reload changes swiftly in various file types has been lauded for enhancing developer productivity, although there have been instances where certain changes were not reflected immediately. Despite some challenges, JRebel's development tools and environments remain a valuable asset for many users seeking to streamline their Java application development processes.

### Productivity Enhancement
Reviewers consistently praise JRebel for its ability to enhance productivity by reducing the time needed for server restarts and code redeployments. Users highlight the significant time savings and efficiency improvements brought about by JRebel's features, emphasizing its impact on streamlining development processes and minimizing disruptions. The tool's capacity to facilitate quick tweaks and real-time visibility of code changes is widely appreciated for its role in enhancing productivity and enabling developers to focus on their tasks without unnecessary delays.

Users consistently recommend Jrebel as a solution for frustrated developers dealing with constant server restarts and lacking code hot swaps. They suggest using Jrebel for SQL analysis and debugging, checking the code for errors, and utilizing the program's safety features. Jrebel is considered a must-have tool for developers working on large enterprise applications due to its amazing hot reloading and debugging capabilities. Users highly recommend Jrebel as it saves time in development and deployment processes. Overall, Jrebel offers valuable features and functionalities that can greatly enhance the development experience.

Efficient Integration with Popular Java Development Tools: Users have found JRebel to be a simple and efficient platform for Java application development, thanks to its integration with popular Java development tools like IntelliJ IDEA, Eclipse, and NetBeans. This seamless integration saves users time by allowing them to work within their preferred IDE without any disruptions or compatibility issues.

Real-Time Code Testing: JRebel's ability to test new code immediately has been highly appreciated by users. By eliminating the need for redeployments, JRebel reduces the risk of introducing bugs and errors into the codebase. Some users have stated that this feature has significantly improved their productivity and allowed them to focus more on writing high-quality code.

Time-Saving Redeployment Elimination: One of the standout features of JRebel is its elimination of redeployments. Users appreciate how this feature saves them plenty of time by providing real-time visibility of code modifications and clarity on their impact on application environments. The elimination of redeployment not only improves productivity but also reduces frustration for team members and eliminates context switching issues.

Technical Issues: Some users have reported experiencing various technical issues and significant lagging while working with the software. These problems have resulted in frustration and reduced productivity for these users.

High Cost: The cost of the software has been a major concern raised by several reviewers, especially among small enterprises or businesses on a tight budget. They feel that the price may be prohibitive, limiting its accessibility and making it difficult to justify the investment.

Manual Restart Required: Users have found that the software occasionally fails to automatically detect changes made, requiring them to manually restart the program. This additional step can be time-consuming and disrupt their workflow, leading to annoyance and inefficiency.

JRebel has proven to be a valuable tool for developers, offering several key use cases that improve productivity and efficiency in the development process. Users have reported that JRebel makes it easier to produce high-quality code quickly, eliminating the need for constant server restarts when making changes to Java applications. This is especially helpful when hot loading Java changes in weblogic is not possible. By saving significant time and reducing frustration, JRebel has become a go-to solution for many developers.

Incorporating JRebel with Eclipse IDE has been particularly beneficial for users, who leverage its data connectors, application integrators, and other plugins to conveniently develop Java applications. The dependency management feature in JRebel is also highly praised, allowing users to define all dependencies in a declarative code structure while JReact takes care of mapping and utilization through its application integration and custom module framework. Additionally, JRebel's hot reloading feature enables faster development and continuous testing, eliminating the need for annoying restarts or redeployments in Java development. This feature has been especially useful for Android developers, minimizing compile and deployment times for Android apps during development.

Overall, JRebel has helped users improve their team's productivity and make daily development more efficient by reducing the time spent on non-productive code builds and server deployments. With its secure credentials authentication feature, JRebel allows users to keep their secrets in a local repository, ensuring password integrity and maintaining the confidentiality of credentials. By significantly streamlining the development process and eliminating time-consuming tasks like redeployments, JRebel has become an invaluable tool for developers aiming to maximize their coding efficiency.

JRebel is a build automation tool developed by Estonian company ZeroTurnaround, acquired by Rogue Wave Software in 2017, and then acquired (and now supported by) Perforce since that company's 2019 acquisition of Rogue Wave. The vendor says users of JRebel saves Java teams a month of coding time per year on average.

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Build Automation Tools are used as a part of the software development lifecycle where software source code is compiled into computer machine language code by means of a build script. Build automation is a crucial step in moving towards a continuous delivery model and is an important part of what has become known as DevOps, or the set of best practices around establishing a more agile relationship between Development and IT Operations.

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JOETIP #1: JREBEL

Complete JRebel Product Demonstration

Likelihood to Recommend

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An introduction to JRebel using Spring's Pet Clinic demo. In this video, you will see how JRebel reloads class files without redeploying, saving an average of over 10 minutes per coding hour for Java developers.

Learn more at JRebel & XRebel by Perforce: jrebel.com

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Quick to respond

License management

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Sales department

Analytics and reporting

Time saved

Source code

Time to market

Saves money

Easy to install

Home

Build Automation Tools

We use JRebel in the software development group to minimize the time spent between the redeployments of the Java applications during development. Without JRebel, every change you do in the source code that requires re-compilation will need a redeployment of the entire app, which can take from 30 seconds to several minutes. When you do this only to test something or to visualize a small change in the user interface, the time needed for redeployment it is simply wasted time. JRebel removes the need to redeploy which improves development speed, reduces people's frustration, enhances the productivity and saves the company money.

Removes the time needed for redeployments of the source code - improves productivity, time to market, and saves money.
Easy to install
License renewals - the sales department reaches out to you long before the licenses expire so you can have time to get your approvals.
Analytics and reporting - it will show you the time saved by JRebel and even the ROI, if you input the average hourly cost of a developer.

In multi-project environments, the dependencies are not always reloaded.
License management - we use a license server with a combination of dedicated licenses and floating. I had some struggle managing these due to the License Server User Interface not being very intuitive.

In the first year JRebel saved us $28k by removing the wasted development time for a team of 7 developers with 4 re-deployments per hour.
JRebel paid for itself in less than a month in the first year.
In the second year JRebel saved us $20k by removing the wasted development time for a team of 5 developers with 4 re-deployments per hour.
JRebel paid for itself in less than a month in the second year.

It's being used by a few of our Android developers. It allows them to minimize compile/deployment time of Android apps during the development process. Android Studio has support for something called "Instant Run" but it tends to do full compiles quite a bit more often then JRebel does, so using JRebel minimizes our debug deployment time.

Deploys all layout changes consistently (when Instant Run was initially available, you couldn't tell if the change you made to a layout was actually being tested or not).
Doesn't require a full build as often as Instant Run when changing code.
Works with compile time annotation libraries like Realm, etc.

Launch times are where JRebel is slower than Instant Run.
Sometimes, it has incompatibilities with how you wrote something and causes compile failures, but Zero turnaround is quick to respond.

It has sped up development time for users that used it

I used JRebel to redeploy our web application on the fly. It was used in a specific project. We had problems redeploying the application because it was very huge and it took a lot of time. With Jrebel we were able to make it in a very fast way, saving many many hours.

It sped up the developing time, and time is money for the company.

JRebel

Overview

What is JRebel?