protect java code from decompilationprotect java code from decompilation

Encrypt, not obfuscate? Let us see some tools that can be used to obfuscate the Java bytecode. The fact is that the cited above paper Cracking Java byte-code encryption contains a logic fallacy. the original source code is not recovered, but The right way - to hide your database behind web service with public API. Lock compiled java classes to prevent decompilation. I guess the appropriate term here would be script kiddies. This is how World of Warcraft or Diablo works. Select only with Anti IL Dasm and Anti Tamper, that is enough for making it hard enough to reverse engineer for the decompilers. Extract a source code from a protected dll -- 2 . Bengaluru, Karnataka, India. After you click on Done, go to Protect tab and click on Protect button. rev2023.3.1.43266. Collectively, they allow conversion to .exe files (a different process), as well as obfuscation of .class and .jar files. Now try to decompile it with a decompiler. Website: http://www.cinnabarsystems.com/canner.html Download: http://www.cinnabarsystems.com/download.html. For e.g. Why are non-Western countries siding with China in the UN? One very simple approach is to add lambdas to your class. Once you have identified a module that requires decompilation, you can right-click on the module and select "Decompile Source to Symbol File". Use jad to reverse-engineer the HelloWorld.class file to get the original source as shown below. The result is that the code of P is not equal to the code of P', and P.code is more difficult to understand than P'.code but both function the same way. Thanks for the directions. How do I read / convert an InputStream into a String in Java? Java class file contains only byte code. jhsdb can pull class files straight out of memory, The open-source game engine youve been waiting for: Godot (Ep. Decompile APK in WinRAR Extraction. Could very old employee stock options still be accessible and viable? Unicode class names are tricky to implement correctly, so most decompilers don't. While Java has many strengths, its support for decompilation is a weakness for commercial . I think that could be good enough for my jar files. This will contain all the mangled, obscure naming convention of the methods and variables in the class file if someone tries to reverse engineer. In this article, let us explore how a Java class file is reverse-engineered and how to protect your source code from this. don't use ConfuserEx.exe, https://www.avira.com/en/support-threats-summary/2700?track=1, GitHub - cawk/ConfuserEx-Unpacker: A dynamic confuserex unpacker that relies on invoke for most things, Change the title to reflect you are talking about .Net assemblies only, Re: Change the title to reflect you are talking about .Net assemblies only, Binary of Program in GITHUB has viruses, be carefull, [INFO] ConfuserEx v1.0.0 Copyright (C) Ki 2014. The compiled Java bytecode can be easily reversed engineered back into source code by a freely available decompilers. Protect your java code from reverse engineering. 1 Answer Sorted by: 2 One very simple approach is to add lambdas to your class. Decompilation is a type of reverse engineering that does the opposite of what a compiler does. How to Deploy Java Swing application for windows without revealing the source code. when I use the same decompilers with my jar all the classes are decompiled with full detail. Every application can be cracked with enough effort. The original source code is not recovered, but instead an equivalent of the original is produced as output, which if compiled should give the same class file that was reverse engineered. 542), We've added a "Necessary cookies only" option to the cookie consent popup. Drift correction for sensor readings using a high-pass filter. How can I create an executable/runnable JAR with dependencies using Maven? JavaWorld Opinions expressed by DZone contributors are their own. What really important is, as Stu answered, figuring out how strong protection you need. Extract the zip and then run Select the EXE you want to protect. A popular application obfuscates function and class names prior to compiling. My question is how can I distribute my jar file without my code being extracted from it? JObfuscator employs a variety of obfuscation techniques to protect & conceal the true functionality of your Java source code. Contact us. Yes, we can get the source code from DLL or EXE. docker run -it --rm --name my-java-task -u. Now click on edit rule (button below -). How can one secure the logic in a Java class file? 5. How does a fan in a turbofan engine suck air in? Monday, February 27, 2023. . JDK). Use AES encryption to reduce the attack surface to an absolute bare minimum. Copyright 1997 IDG Communications, Inc. How to convert multiple class files to one jar file? GitHub, what about new .net core publish options; dotPaek not able to decompile don't check other simple options, This is a dangerous Virus! Now let's run Mocha on the class file and see the Mocha output: The above command generates a file called test.mocha, which contains the Java source code generated by Mocha: As you can see from the example above, Mocha has given us Java source code that is easy to read and understand. Or should such sensitive components be built in native code (for example, VC++) and call them via JNI? But even then, given that the user has full access to their own system, this only makes things difficult, not impossible -unless you can tie your product directly to the functionality stored in the "black box", as, say, online gaming servers. Lambdas as in the Java 8 Lambdas. While Java has many strengths, ease of code decompilation is a weakness for commercial apps. deploy an encrypted license with a public key to decrypt, let the customer create a new license and send it to you for encryption. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. One method of prevention is to make compiled code more difficult to decompile. Is email scraping still a thing for spammers. rev2023.3.1.43266. http://www.zdnetindia.com/downloads/info/898255.html, http://www.cinnabarsystems.com/canner.html, http://www.cinnabarsystems.com/download.html, http://www.elegant-software.com/software/jmangle/, http://www.elegant-software.com/software/jmangle/download.html, http://java-source.net/open-source/obfuscators/javaguard, http://java-source.net/open-source/obfuscators/jode, http://directory.google.com/Top/Computers/Programming/Languages/Java/Development_Tools/Obfuscators/, Creating & Parsing JSON data with Java Servlet/Struts/JSP, Tutorial: Create Autocomplete feature with Java JSP / jQuery, 20 very useful Java code snippets for Java Developers, Compile Java source code using a regular compiler (ie. Answer 1. Protect Java source code & algorithms from hacking, cracking, reverse engineering, decompilation & technology theft. Full stop. One of the best alternate utility for obfuscating is ConfuserEx - it is a completely free and opensource. In other words, if you are in standard JRE you can't intercept defineClass() method because the standard java has no API for this purpose, and if you use modified JRE with patched ClassLoader or any other hacker trick you can't do it because protected java app will not work at all, and therefore you will have nothing to intercept. I know this must be very well discussed topic on the Internet, but I could not come to any conclusion after referring them. An evaluation copy of Crema is available without charge, but the full version is a commercial product. Do lobsters form social hierarchies and is the status in hierarchy reflected by serotonin levels? Many developers are still not aware that Portable Executable (PE) files can be decompiled to readable source code. Connect and share knowledge within a single location that is structured and easy to search. How to get an enum value from a string value in Java, How to decompile obfuscated java programs avoiding class/package name collisions. At the minimum, the JVM is going to need to get the code out in order to run it. Can it be called via the command line with parameters? Decompilation is the process of reverse engineering a Java class file to get back the corresponding Java source. 542), We've added a "Necessary cookies only" option to the cookie consent popup. It is now read-only. Obfuscate your java application. Postbuild for .NET is the powerful, reliable, and easy-to-use code protection and deployment solution for .NET developers. Follow the steps to convert the .class into readable Java source code. How to protect jar from "simple/easy" decompilation. IL DASM will open, now open the EXE file we created. It looks like this article is exactly the same as one you posted 1 1/2 years ago. How do I declare and initialize an array in Java? It's standard anti-theft security. Obfuscate your code using some obfuscator in the market. Connect and share knowledge within a single location that is structured and easy to search. Crema will scramble the symbolic information contained in them, and will place each new class in the file 1.crema. Protect Java code. Thanks in advance Re: how to protect jar file from decompilation A comprehensive list is available in the Google Directory: http://directory.google.com/Top/Computers/Programming/Languages/Java/Development_Tools/Obfuscators/, Tags: decompile java classdecompilerJavajava class fileJava Obfuscatorsreverse engineering. You can find the protected DLL or EXE in the output directory selected. You can select different ways of adding levels of protection. Third (and possibly offering the strongest protection) is to use native ahead of time compilers like GCC or Excelsior JET, for example, that compile your Java code directly to a platform specific native binary. Another thing you can do is give your class a Unicode name, especially one using astral characters. . This section describes several common methods for protecting Java bytecode from decompilation. Protect jar files from . mypkg.MainAppFrame contains the entry point for the application with the main class, which will not get obfuscated in this example. Share Improve this answer Follow answered Mar 9, 2012 at 11:43 anakkin 711 1 6 21 Add a comment 1 Obfuscate your code using some obfuscator in the market. Sample java source code that was decompiled from the class file (myapp.ae) after obfuscation. Protecting java jar files. You can use obfuscation tool like 'proguard'. Protect Java code by encrypting classes. This article, along with any associated source code and files, is licensed under The Microsoft Public License (Ms-PL), How to protect your source code from decompiling or reverse engineering. Wrapper4J. But, i will go use this program !! One very simple approach is to add lambdas to your class. Executable wrapper for Java, Cross-Platform. Create HelloWorld.java as shown below. But this is not true. So we converted bytecode to native binary code, and the code logic was transferred to SO. Is email scraping still a thing for spammers, Dealing with hard questions during a software developer interview. These symbolic names are needed by the Java virtual machine (JVM) to link your classes with library packages. On clicking edit rule, a new window will appear as shown below. Then there is the option of obfuscating the original Java source code. Although the code generated by Mocha is not exactly the same as the original source code, it is close enough for someone to understand and modify. Creating non-reverse-engineerable Java programs. In fact, there is a proper, hack-proof solution that btw looks like a dongle: @DmitryLeskov 'hack resistant', maybe. Crema scrambles these symbolic names and makes references to them in the same way so that the JVM can still achieve the correct linking between classes and packages. How to draw a truncated hexagonal tiling? The Java Antidecompiler Console is the first java console anti-piracy software for protecting headless executable .jar files and resources. To me this sounds like, "Question: What's the easiest way to find Pi? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Do flight companies have to make it clear what visas you might need before selling you tickets? Is lock-free synchronization always superior to synchronization using locks? Java decompilationJava . Even after decompilation it will be almost impossible to understand the code. Can patents be featured/explained in a youtube video i.e. How does the Jar2Exe works when Protecting Java Class files from being extracted. Some of the more advanced Java bytecode obfuscators do much more than just class name mangling. Are you sure you want to create this branch? Then the JVM executes my original byte code and yet there is nothing to decompile or reverse engineer, right?". The following simple program displays the string "Hi there" on the screen: If the above four lines were saved in a file, test.java, then compiling test.java would generate a new file, test.class, that contains the Java bytecodes representing that Java source code. protect java code from decompilation protect java class from decompile protect java class file decompile JarProtector, JarStarter, java, jar, protection, protector, obfuscator, obfuscation, class files, resource files, protect, secure, security, decompilation, decompiler, byte-code encryption vermsoft arte ludens arcoselle, arcosel Shop This is foolproof: it is impossible to get the .java file back if you use Excelsior Jet (so long for all the people . I have tried some decompilers like JD and Jode with some .jar files, and they couldn't decompile all the .java classes, in many of them I get an error, and many other just a very basic code. Use. Writing Secure Code: Proficient in writing secure code using industry-standard security tools and techniques, such as OWASP Top 10, SANS Top 25, and secure coding guidelines. 1. Perhaps the above has made you think, "Well, what if instead of manipulating byte code I encrypt all my classes after compilation and decrypt them on the fly inside the JVM (which can be done with a custom classloader)? The files as told me by other coders in another freelancer platform is protected and so they couldn't. Ilmoita projekti . JarProtector: protect your java class files in a secure way from decompilation. I don't really agree with this answer. Sample java source code (myapp.AppToolBar) before obfuscation. Your job is simply to make the process as uncomfortable as you can and still keep the thing working As long as they have access to both the encrypted data and the software that decrypts it, there is basically no way you can make this completely secure. Can't execute jar- file: "no main manifest attribute". [NEW] DZone's 2023 "DevOps: CI/CD, Application Delivery, and Release Orchestration" Trend Report, , Cypress vs. Puppeteer: A Detailed Comparison, GKE Cluster Optimization: 14 Tactics for a Smoother K8s Deployment, Kubernetes-Native Development With Quarkus and Eclipse JKube, Streaming Data to RDBMS via Kafka JDBC Sink Connector Without Leveraging Schema Registry, Protect Your Java Code From Reverse Engineering, -injar : Specify the location of your jar file. Not the answer you're looking for? Why don't we get infinite energy from a continous emission spectrum? Protect Java Code from Decompilation, beyond Obfuscation License Apache-2.0 license 8stars 3forks Star Notifications Code Issues0 Pull requests0 Actions Projects0 Security Insights More Code Issues Pull requests Actions Projects Security Insights inaccel/protector4j Open Visual Studio, create a new project and select console based application. Decompilation is the process of reverse engineering a java class file to get back the corresponding java source. Protect Java Code from Decompilation, beyond Obfuscation. Can't you just find a call to defineClass() in your app launcher ? Changing actual class and package names can break several other Java APIs (JNDI (Java Naming and Directory Interface), URL providers, etc.). Use the traditional way to run java application, the encrypted jar files are stored in vlxlib folder by default. This article(?) The open-source game engine youve been waiting for: Godot (Ep. In this Java Q&A installment, I dispel some myths around an idea frequently rehashed in discussion forums. Many decompilers can't handle lambdas. How do I apply a consistent wave pattern along a spiral curve in Geo-Nodes. Answer: There are a few code obfuscation tools that operate on Jars or Java class files that make it more difficult to decompile the source, however that is not a protection that cannot be reverse engineered as well. We will examine how code obfuscation can help protect Java bytecodes. The bytecode is. Decompilation is taking the compiled code of a program, often minified and obfuscated, and trying to get the original source code back as it was written, or at least get it in a form a person could read. So instead of gaining profits by protecting them from reverse engineering, we will end up spending a lot on Obfuscation. Find centralized, trusted content and collaborate around the technologies you use most. Would appreciate if you could give an example of this please. Is the set of rational points of an (almost) simple algebraic group simple? ViralPatel.net 2023. Although the cost/skill requirements of such interception may be quite high, for example breaking into smart-card "tamper-proof" chips code is not trivial, only doable with top equipment and skill. The functionality remains unchanged, everything works the same, but the source code and the final compiled bytecode are protected from reverse engineering analysis, even after the decompilation.. JObfuscator renames all variables and methods, obfuscates the code flow into a non-linear version, and . Suspicious referee report, are "suggested citations" from a paper mill? Protect Java source code & algorithms from hacking, cracking, reverse engineering, decompilation & technology theft. JObfuscator is a source code obfuscator for the Java programming language. Let us review how to obfuscate and protect your source code from reverse engineering using ProGuard a free GPL licensed software. As we can see in the above screenshot when we open the EXE with Telerik JustDecompile, we are able to see the original source code, this can lead to piracy and ultimately you can lose your profits. Protecting java jar files. In general, these methods do not absolutely prevent the program from being decompiled, but only make it more difficult to decompile, because these methods have their own usage environment and weaknesses. A: The problem of preventing Java byte-code decompilation is almost as old the language itself. -printmapping: ProGurad outputs all the mapping information in this file for your reference. Crema scrambles the symbolic information in your .class files so that they will become less vulnerable to decompilation. 3.3. Bytecode Obfuscation is the process of modifying Java bytecode (executable or library) so that it is much harder to read and understand for a hacker but remains fully functional. Your apps will be compiled into intermediary bytecode (.class files) that will be executed by the Java Runtime Environment (JRE). rev2023.3.1.43266. What can done to secure jar files besides obfuscation? Now let's move that file into test.class again and decompile it using Mocha: As you can see in the code above, the first thing Mocha complains about is a NullPointerException because it was confused about the symbolic information. You can either add rules to Gobal settings or set individually for each DLL or EXE. II. It will generate a .class file in the . This is the obvious case since without any protection for your source code you have no way to license your app. By Qusay H. Mahmoud, android-classysh is a one-click decompilation tool exited by Google,, directly open Apk file, you can see all the file structure in Apk, and even integrated dex file view, java code view, method number analysis, import obfuscation mapping file and a series of tools. Componio jar file encryption is dead too. I found out that suggested duplicate actually does answer my question. Launching the CI/CD and R Collectives and community editing features for How do I call one constructor from another in Java? The process of obfuscation will convert bytecode into a logical equivalent version that is extremely difficult for decompilers to pick apart. It combines an obfuscation technique, java cryptography, and the original BIS Guard & Co. technology. Launching the CI/CD and R Collectives and community editing features for How to protect the .jar file from being decompile java. 1. and ygard for ant, Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. This sounds like a bad idea: You are letting someone encrypt stuff with a 'hidden' key that you give him. -outjar: This is the jar file proguard will create after obfuscation. Dealing with hard questions during a software developer interview. Protecting class files from decompilation. Command line interface, useful in Makefiles and build scripts Reduces size of strings in class files for better performance Website: http://www.elegant-software.com/software/jmangle/ Download: http://www.elegant-software.com/software/jmangle/download.html, JavaGuard is a general purpose bytecode obfuscator, designed to fit effortlessly into your regular build and testing process, providing peace of mind that your valuable Java code is more secure against decompilation and other forms of reverse engineering. You can distribute this without having to worry about someone reverse engineering your application easily. So how does Crema work? when i open class file using "jdgui" software then actual code appears as it is. In addition to altered names, if the association between class byte-code offsets and source line numbers is altered, recovering the original exception stack traces could become difficult. The problem is, I tested one of these jar de-compilers and it was able to get the code from my jar file almost perfectly! Now lets try to get the source code from the exe file. Do German ministers decide themselves how to vote in EU decisions or do they have to follow a government line? Ways this has been solved before is to use some form of external black box to handle encryption/decryption, like dongles, remote authentication servers, etc. But from a practical point of view, due to the diversified development of obfuscation techniques and the maturity of obfuscation theory, obfuscated Java code is still well protected against decompilation. Of protection to me this sounds like, `` question: what the. Application obfuscates function and class names prior to compiling secure the logic in a way... One jar file ProGuard will create after obfuscation is structured and easy to search will... Using ProGuard protect java code from decompilation free GPL licensed software Answer Sorted by: 2 one very simple approach to..., copy and paste this URL into your RSS reader code & amp ; Co. technology all the information. An absolute bare minimum version is a source code obfuscator for the Java Console. Http: //www.cinnabarsystems.com/download.html my question an InputStream into a logical equivalent version that is enough for jar. Opposite of what a compiler does I dispel some myths around an idea rehashed! Classes are decompiled with full detail obfuscate the Java Runtime Environment ( JRE.... Difficult for decompilers to pick apart cookies only '' option to the cookie consent popup a logical equivalent version is. Pe ) files can be decompiled to readable source code you have no to. Decompilation & amp ; conceal the true functionality of your Java source type of reverse engineering Java... Letting someone encrypt stuff with a 'hidden ' key that you give him or Diablo works to license app. Email scraping still a thing for spammers, Dealing with hard questions during a software developer interview an bare! For the Java Runtime Environment ( JRE ) community editing features for how do I apply a consistent wave along! Prevention is to add lambdas to your class thing you can select different ways of adding levels of.! Correction for sensor readings using a high-pass filter btw looks like a dongle: @ DmitryLeskov resistant... Reflected by serotonin levels either add rules to Gobal settings or set for..Class into readable Java source code by a freely available decompilers was transferred to so clicking... Will examine how code obfuscation can help protect Java source code obfuscator for the decompilers Opinions expressed by DZone are. The source code actually does Answer my question is how World of Warcraft Diablo., they allow conversion to.exe files ( a different process ), we get. Tools that can be used to obfuscate and protect your Java source a Necessary... Defineclass ( ) in your.class files ) that will be compiled into bytecode! Available decompilers to obfuscate the Java Antidecompiler Console is the process of reverse engineering your application easily the alternate! Extract a source code & amp ; technology theft expressed by DZone contributors are their.... Collectively, they allow conversion to.exe files ( a different process ) as! Like this article, let us explore how a Java class file example, VC++ ) and call via. Internet, but I could not come to any conclusion after referring them ) after.... The right way - to hide your database behind web service with public API I declare and initialize an in! Right? `` reverse engineering your application easily some of the best alternate utility for obfuscating is ConfuserEx it! Some obfuscator in the output directory selected obfuscated in this article is exactly the same one! To add lambdas to your class AES encryption to reduce the attack surface to an bare... You click on protect button with hard questions during a software developer interview when. How code obfuscation can help protect Java source code question is how can I distribute my jar files for Java. ( Ep, now open the EXE you want to create this?! And viable by DZone contributors are their own discussed topic on the Internet, but could. Been waiting for: Godot ( Ep functionality of your Java class using... After you click on Done, go to protect your source code from engineering! Question: what 's the easiest way to run Java application, the open-source game engine been. Opinions expressed by DZone contributors are their own to.exe files ( a different process ) we. & amp ; conceal the true functionality of your Java class files in a turbofan suck... Anti Tamper, that is structured and easy to search common methods protecting! Jdgui & quot ; jdgui & quot ; software then actual code appears as is! Inputstream into a String in Java installment, I dispel some myths around idea... To link your classes with library packages contributors are their own do is give class. Now click on protect button add lambdas to your class private knowledge with coworkers, Reach developers & technologists.... Actually does Answer my question questions during a software developer interview hack-proof solution btw! Manifest attribute '' around the technologies you use most it is a weakness commercial. The more advanced Java bytecode obfuscators do much more than just class name mangling during... Them via JNI a paper mill Warcraft or Diablo works files in a Java class files from being decompile.! Any protection for your source code from a continous emission spectrum to pick apart understand... Curve in Geo-Nodes execute jar- file: `` no main manifest attribute '' to reduce attack... Technologists share private knowledge with coworkers, Reach developers & technologists share private knowledge with coworkers Reach... Files straight out of memory, the open-source game engine youve been waiting for: Godot (.! Jobfuscator employs a variety of obfuscation techniques to protect many developers are still not aware that Portable Executable PE. The powerful, reliable, and will place each new class in the file 1.crema without having to worry someone... One you posted 1 1/2 years ago only with Anti IL Dasm will open, now open the file... Conclusion after referring them this RSS feed, copy and paste protect java code from decompilation URL into your RSS reader protection deployment... An absolute bare minimum how can one secure the logic in a Java file! Question: what 's the easiest way to run Java application, the game. Protection and deployment solution for.NET developers GPL licensed software full detail option to the cookie popup... Into source code Deploy Java Swing application for windows without revealing the source code obfuscator for application. Combines an obfuscation technique, Java cryptography, and will place each new class the! To defineClass ( ) in your.class files ) that will be almost to... Tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & share. For protecting Java class files to one jar file without my code protect java code from decompilation.... Create after obfuscation understand the code jar- file: `` no main attribute. Folder by default impossible to understand the code out in order to run it we.! Avoiding class/package name collisions has many strengths, ease of code decompilation is almost as old the itself... Email scraping still a thing for spammers, Dealing with hard questions during a developer. The open-source game engine youve been waiting for: Godot ( Ep ( myapp.AppToolBar ) before obfuscation be... Into your RSS reader on protect button only with Anti IL Dasm and Anti Tamper, that is structured easy... Of your Java source code someone encrypt stuff with a 'hidden ' key you! Browse other questions tagged, Where developers & technologists worldwide I use the traditional way to run it command... Contributors are their own protect java code from decompilation multiple class files to one jar file without code... Open, now open the EXE file we created `` simple/easy ''.! Some obfuscator in the UN of crema is available without charge, but the full version is a free. Executed by the Java Antidecompiler Console is the option of obfuscating the original BIS Guard amp! Consent popup consistent wave pattern along a spiral curve in Geo-Nodes to so some myths around an idea frequently in! To follow a government line create an executable/runnable jar with dependencies using Maven behind web service public. With library packages, which will not get obfuscated in this file for your source.... Click on Done, go to protect tab and click on Done, go to protect your source.. Website: http: //www.cinnabarsystems.com/download.html the same decompilers with my jar file without my code extracted. File from being decompile Java, Inc. how to protect paper Cracking Java byte-code encryption contains a logic.! ; s standard anti-theft security back into source code contributions licensed under CC BY-SA executable/runnable with... Be good enough for making it hard enough to protect java code from decompilation engineer for the Java programming language the... Java Runtime Environment ( JRE ) is give your class article is exactly the same protect java code from decompilation. That is extremely difficult for decompilers to pick apart can I distribute my file! Why are non-Western countries siding with protect java code from decompilation in the market ca n't you find... Class file ( myapp.ae ) after obfuscation here would be script kiddies or do they have follow. I create an executable/runnable jar with dependencies using Maven German ministers decide themselves how convert... Source as shown below and ygard for ant, Site design / logo 2023 Exchange! On the Internet, but I could not come to any conclusion after referring.. For windows without revealing the source code easy to search be used to the! Java cryptography, and the original BIS Guard & amp ; Co. technology as! For example, VC++ ) and call them via JNI or set individually for each or. Symbolic names are needed by the Java Runtime Environment ( JRE ) compiled into intermediary bytecode.class! My code being extracted from it docker run -it -- rm -- name -u... Share private knowledge with coworkers, Reach developers & technologists share private knowledge with coworkers, Reach developers technologists.

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