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Hello,
We build our .NET MAUI app for android using the dotnet publish command on the command line. During the build, the wrong version of the JDK (Java Development Kit) gets picked.
How can we specify the path to the JDK that should be used for the build?
We already tried setting the JAVA_HOME environment variable but without success. We are running the build on macOS.
Thank you for your help.
A Microsoft open-source framework for building native device applications spanning mobile, tablet, and desktop.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(22.400000000000002, 3%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EWZ%3C/text%3E%3C/svg%3E)
Which command did you use? And how did you create the keystore file? It's not clear if you have JDK error is related to keystore file. Please see Publish an Android app using the command line - .NET MAUI | Microsoft Learn
（If it's possible, please use a Windows machine and try publishing the App with Visual Studio, see Publish a .NET MAUI Android app for Google Play distribution - .NET MAUI | Microsoft Learn ）
Hi, thank you for your response.
We build the using the dotnet publish command.
We receive the following error:
javac error JAVAC0000: class file has wrong version 61.0, should be 55.0
According to https://stackoverflow.com/questions/74648576/spring-class-file-has-wrong-version-61-0-should-be-55-0-sic we have to use Java 17 to fix the build.
But currently Java 11 seems to be used:
Found Java SDK version 11.0.11. (TaskId:32)
This is why we need to set somehow the path to Java 17.
As this is on our build server that builds also the iOS version, we cannot run it on Windows.
I found the answer myself:
To set a custom JDK path for the command, you can use a environment variable named JavaSdkDirectory
that contains the JDK directory path.
Glad you solved the problem. thanks for your sharing.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(252.8, 9%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGO%3C/text%3E%3C/svg%3E)
This hinted me in the right direction. I copied the Jave JDK path from Visual Studio options and populated the global JAVA_HOME with the same value. That for my system is: C:\Program Files (x86)\Android\openjdk\jdk-17.0.8.101-hotspot
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Can you explain this answer? Where / how did you set this value? We are using a PowerShell script to run MSBuild and are running into a similar issue with the JDK version.