Re: Please Set The Java_home Variable In Your Environment Windows 11

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Giselda Sasao

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Jul 9, 2024, 5:32:40 PM7/9/24

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You'll need to close and re-open any command windows that were open before you made these changes, as there's no way to reload environment variables from an active command prompt. If the changes don't take effect after reopening the command window, restart Windows.

please set the java_home variable in your environment windows 11

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I have recently downloaded Maven and followed the instructions given on this this page. I already have ant installed on my machine.Now, if I want to verify that Maven is installed perfectly or not it is giving me error that JAVA_HOME is not set correctly, but same works perfectly fine for ANT.

I went to the directory to check that java.exe is actually there in that directory or not and it was there. I checked the environment variables they set fine. I restarted the system and checked again but same problem. Please let me know what am I missing.

The JAVA_HOME should point to the JDK home rather than the JRE home if you are going to be compiling stuff, likewise - I would try and install the JDK in a directory that doesn't include a space. Even if this is not your problem now, it can cause problems in the future!

You are pointing your JAVA_HOME to the JRE which is the Java Runtime Environment. The runtime environment doesn't have a java compiler in its bin folder.You should download the JDK which is the Java Development Kit. Once you've installed that, you can see in your bin folder that there's a file called javac.exe. That's your compiler.

First of all check if Java is installed on your machine. If not install it from here (Windows): _manual.jsp. If you have the following two folders in your Windows OS: Program Files and Program Files (x86). You can find Java installed folder in one of them depending on your installed java: 64bit or different bit.

And to set the environment path, follow this link ( =yIodCpf9E50&ab_channel=TheCodeCity). But before, you should be informed that in my case, java was installed in Program Files (x86). The problem (same with yours) was still there. So, I installed java with 64-bit which was now installed in Program Files and repeated the same process of new environment setting. The problem was resolved.

when i run gradlew setupDecompWorkspace it returns setup failed and says please set JAVA_HOME variable in your environment to match location on your java installation. iv done this and it says the same thing.

If you plan to run software programs like Maven, Jenkins, Gradle or Tomcat, you'll not only need a local installation of the JDK, but you'll also want to ensure that you have set JAVA_HOME correctly. Here is how you can accomplish that task with a demonstration of how to set JAVA_HOME in Windows and echo the result to validate that the changes have gone into effect. Also, let's explore how you can add Java to the Windows PATH, which is another configuration parameter that is often set after a JDK installation.

Not every Java installer will automatically set JAVA_HOME for you. The AdoptOpenJDK one will, and it can configure the PATH variable for you as well. But, it doesn't do it all by default. You must perform a custom install and select one of the following two options to have the OpenJDK installer set JAVA_HOME and PATH environment variables:

That's all there is to it. Once the OpenJDK installation is complete, the JAVA_HOME variable will be configured and the bin directory of the JDK will be added to the Windows PATH. It doesn't get much easier than that.

If your JDK installation didn't set JAVA_HOME automatically, you can always open the Windows environment variable editor and set it yourself. This is the easiest way to manually set JAVA_HOME in Windows 7, 8 and 10.

After you add the new environment variable, close any and all DOS prompts and command windows, because these tools load environment variables only when they first start. If you try to access the JAVA_HOME variable in any windows that were open prior to the change, the variable will come back as null or undefined. But if you open a new command window, scripts that search for JAVA_HOME will run successfully.

As you can see, the setx JAVA_HOME approach is relatively simple. Still, command line interface tools can intimidate some people, and this type of manual coding is prone to error. However, when you write scripts to automate the configuration of the environment, the ability to script the process with setx becomes invaluable.

The manner in which you get JAVA_HOME within batch files and shell scripts follows the exact same syntax used by the echo command. Bookend the variable with percentage signs and use that variable within your code just as you would any other scripted variable.

Scripts that use JAVA_HOME should always be checked to see if the variable exists. If it does not, an appropriate error message will arise. Here is how the Apache Maven project gets JAVA_HOME in its startup script and reports any errors during the process:

The JAVA_HOME and PATH environment variables serve two very different purposes. JAVA_HOME simply points to where Java is installed. If you add something to the PATH variable, it makes it available throughout the entire operating system. Of course, many developers who install Java actually want the runtime universally available, so they set the JAVA_HOME and PATH environment variables at the same time.

The big distinction between PATH and JAVA_HOME settings is that the former points to the JDK bin directory, while the latter points to the installation directory. Developers are notorious for mixing up these two settings, which invariably leads to program start issues and the subsequent JAVA_HOME error messages such as "java_home is set to an invalid directory" or "java_home environment variable is not set."

It is worth noting that while a JDK installation is linked to the JAVA_HOME environment variable, JRE installations are typically linked to the JRE_HOME variable. The steps to set up JRE_HOME on a Windows machine are exactly the same as those outlined above, with the exception that the JRE_HOME variable will point to the root of the JRE installation, while the JAVA_HOME environment variable in Windows points to the root of the JDK installation.

The secret of how to be miserable is to constantly expect things are going to happen the way that they are "supposed" to happen.

You can have faith, which carries the understanding that you may be disappointed. Then there's being a willfully-blind idiot, which virtually guarantees it.

Stephan van Hulst wrote:Please open mvnw.cmd in a text editor and show us its contents.

P.S. have you logged out and back into your user account since you've added the environment variable?

Tim Holloway wrote:JAVA_HOME is not part of Java. It is a common convention used by many Java applications, including Tomcat, Maven and Ant, but it is not official Java. IntelliJ doesn't need it (nor does Eclipse and probably not NetBeans).

So that isn't a problem as such.

When you set up an application test/run profile for a project within IntelliJ, that project might have been designed to want a JAVA_HOME value, but since that would be a per-project thing, you'd define it in the application test/run profile. The JVM that runs IntelliJ doesn't simply propagate to the app.

Caused by: org.openqa.selenium.WebDriverException: An unknown server-side error occurred while processing the command. Original error: packageAndLaunchActivityFromManifest failed. Original error: Could not find aapt Please set the ANDROID_HOME environment variable with the Android SDK root directory path. (WARNING: The server did not provide any stacktrace information)

In Search, search for and then select: System (Control Panel)
Click the Advanced system settings link.
Click Environment Variables. In the section System Variables, find the PATH environment variable and select it. Click Edit. If the PATH environment variable does not exist, click New.
In the Edit System Variable (or New System Variable) window, specify the value of the PATH environment variable. Click OK. Close all remaining windows by clicking OK.
Reopen Command prompt window, and run your java code.

Hello @Pac_Chan , from your logs, it can correctly get the path you have set in your bash_profile, but it says it is not a valid path. Are you able to navigate to the location /Users/Pac/Library/Android/sdk from terminal?

Leaving the solution here, incase anyone faced similar problem in Mac Catalina, when running Appium C# script to initialise Android driver. Tried fixing .bash_profile and .zprofile files as mentioned in many answers, nothing seem to work.

DAISY Pipeline 2 uses the Windows environment variable JAVA_HOMEto find your Java installation folder. This error can occur if thevariable is not set or pointing to an incorrect path. Please followthe steps below to set or correct your JAVA_HOME variable.

Strange error... was JAVA_HOME set before when it was working correctly? What path is it set to? There's no need to set it explicitly. I don't think the error is indicative of an incorrect path, though.

Its looks like there is definitely something wrong with your environment variables. If you run echo %PATH% from the command line does this print successfully or do you receive the same "system cannot find the path specified" errors?

I suggest running Process Monitor when running the DR tool to see what it's attempting to access when it's running. You should see results in ProcMon indicating files or folders are not found, which may be leading to the error you're seeing.

Process Monitor. I guess my lack of server background is showing now, I had never heard of Process Monitor until you mentioned it. This is a very helpful suggestion. Now I'm going to read up on the help, possibly learn how the filtering works so I can see DR tool activities without the noise of everything else. Thanks for being patient with my dumb questions. Our GIS servers pre-dated the advent of our in-house IT guy, so he refuses to touch the GIS servers.