I have set my JAVA_HOME
to /usr/lib/jvm/java-7-oracle
, which contains a valid JVM, but gradle insists on using /usr/lib/jvm/default-java
and complains about JAVA_HOME
:
$ echo $JAVA_HOME
/usr/lib/jvm/java-7-oracle
$ ls $JAVA_HOME
bin COPYRIGHT db include jre lib LICENSE man README.html release src.zip THIRDPARTYLICENSEREADME-JAVAFX.txt THIRDPARTYLICENSEREADME.txt
$ gradle assemble
ERROR: JAVA_HOME is set to an invalid directory: /usr/lib/jvm/default-java
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation.
How can I fix this and have gradle use my valid JAVA_HOME
?
Note: My JAVA_HOME
is set by ~/.bashrc
using export JAVA_HOME="/usr/lib/jvm/java-7-oracle"
Verify JAVA_HOME Enter the command echo %JAVA_HOME% . This should output the path to your Java installation folder. If it doesn't, your JAVA_HOME variable was not set correctly. Please make sure you're using the correct Java installation folder, or repeat the steps above.
Download Liberica JDK and on installation it will automatically set JAVA_HOME environment variable. Now you just go to Android Studio -> Project Structure -> SDK -> Point all jdk path to liberica jdk installation directory and apply. You are done. Just restart android studio and gradle command will work.
Right click My Computer and select Properties. On the Advanced tab, select Environment Variables, and then edit JAVA_HOME to point to where the JDK software is located, for example, C:\Program Files\Java\jdk1.
The JAVA_HOME environment variable points to the file system location where the JDK or JRE was installed. This variable should be configured on all OS's that have a Java installation, including Windows, Ubuntu, Linux, Mac and Android.
it is quite common issue. Just go to your gradle home directory and bin
, for example:
/home/user/gradle-2.0/bin
and there you should have gradle script, I am on a Windows machine now so I have gradle.bat
, probably you will have gradle.sh
or something like this. In that file, find the line:
set JAVA_HOME=%JAVA_HOME:"=%
or as I can see you are on linux so there will be "export" and change it to your java home directory for example:
export JAVA_HOME=/usr/lib/jvm/java-7-oracle
If on windows, also make changes to JAVA_EXE and add your path
set JAVA_EXE=C:\yourpath\bin\java.exe
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