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Error to run Android Studio

Posted by: admin November 18, 2017 Leave a comment

Questions:

I have installed Android Studio and I followed all steps described here

But when I start studio.sh I got an error with this message:

‘tools.jar’ is not in Android Studio classpath. Please ensure JAVA_HOME points to JDK rather than JRE

Can anyone here help me with this?

Answers:

Check if your Java JDK is installed correctly

dpkg --list | grep -i jdk

If not, install JDK

sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update && sudo apt-get install oracle-java8-installer

After the installation you have to enable the jdk

update-alternatives --display java

Check if Ubuntu uses Java JDK 8

java -version

If all went right the answer should be something like this:

java version "1.8.0_91"
Java(TM) SE Runtime Environment (build 1.8.0_91-b14)
Java HotSpot(TM) 64-Bit Server VM (build 25.91-b14, mixed mode)

Check what compiler is used

javac -version

It should show something like this

javac 1.8.0_91

Finally, add JAVA_HOME to the environment variable

Edit /etc/environment and add JAVA_HOME=/usr/lib/jvm/java-8-oracle to the end of the file

sudo nano /etc/environment

Append to the end of the file

JAVA_HOME=/usr/lib/jvm/java-8-oracle

You will then have to reboot, you can do this from the terminal with:

sudo reboot

In case you want to remove the JDK

sudo apt-get remove oracle-java8-installer

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 sudo apt-get install default-jdk

That’s all in ubuntu 11

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This is caused by having JAVA JRE installed as opposed to JAVA JDK.

The solution is simple:

sudo apt-get install openjdk-7-jdk

http://www.maxmakedesign.co.uk/development/2013/android-studio-tools-jar-classpath/

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The error is self explanatory, you need to set your environment variable to JDK path instead of JRE here is it

JDK_HOME: C:\Program Files\Java\jdk1.7.0_07

check the path for linux

and here is possible duplicate Android Studio not working

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Widows 7 64 bit.

  1. JAVA_HOME point to my JRE (NOT JDK) directory
  2. Coping of tools.jar from JDK\lib directory to ANDROIDSTUDIO\lib directory solve the problem
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in OpenSuSE 13.1 and some 13.2 versions you also need to:

  • install java-1_7_0-openjdk-devel package
  • change the JAVA_HOME path when starting the studio:

For x86:
JAVA_HOME=/usr/lib/jvm/java-1.7.0-openjdk-1.7.0/ sh studio.sh

For x64:
JAVA_HOME=/usr/lib64/jvm/java-1.7.0-openjdk-1.7.0/ sh studio.sh

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I had the same problem on a new installed Linux Mint 16. To fix this you just need to type command

sudo apt-get install openjdk-7-jdk

And that’s it. You even do not need to add repositiries or creating JAVA_HOME in your environment.

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First check if java JDK is installed correctly

dpkg –list | grep -i jdk

  • if not install JDK
    download the latest version of JDK from oracle

    http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

  • Extract it into appropriate location in your machine
    Get the extract location

  • vi ~/.bashrc or vi ~./ bash_profile
    JAVA_HOME=/home/user/installs/jdk1.7.0_40
    PATH=$JAVA_HOME/bin

    source ~/.bashrc Or source ~/.bash_profile

  • After the installation you can check the it
    java -version
    whcih java

If all things are correct then right the answer should be something like this:

java version “1.7.0_40”
Java(TM) SE Runtime Environment (build 1.7.0_40-b43)
Java HotSpot(TM) 64-Bit Server VM (build 24.0-b56, mixed mode)

  • > Append to the following statement in studio.sh the file in android-studio/bin directory
    JAVA_HOME=/home/user/installs/jdk1.7.0_40

Finally start your Android studio by the following command
./studio.sh

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On ubuntu I have tried all the methods that are described here but none worked.

What I did in the end was to:

  • download JDK from oracle, extract the archive

  • edit android-studio/bin/studio.sh and add at the top

    export JAVA_HOME=/path/to/jdk

  • save the file and cd android-studio/bin and launch Android Studio: ./studio.sh

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For me, running Fedora 22 with Gnome 16.2, this solution helped me.
In short, you should install the java-1.8.0-openjdk-devel, the development files of the JDK.

Open the Terminal and search for the latest version of the JDK development package:

$ dnf search jdk-devel
Last metadata expiration check performed 12:44:51 ago on Mon Aug  3 22:20:24 2015.
============================ N/S Matched: jdk-devel ============================
java-1.8.0-openjdk-devel.x86_64 : OpenJDK Development Environment
java-1.8.0-openjdk-devel-debug.x86_64 : OpenJDK Development Environment with
                                      : full debug on
$ sudo dnf install java-1.8.0-openjdk-devel

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The problem is a bug on Fedora 20. The bug is very odd: if I have Google Talk plugin installed then Eclipse crashes (https://bugs.eclipse.org/bugs/show_bug.cgi?id=334466). It’s crazy for me. I thought that was Java version and with Java 6 my eclipse was still crashing. To solve this I should use gnome/GTK instead KDE. Now it works “well” (in gnome environment). Thanks for all answers.

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I was facing similar problem on Windows 7 x64 professional edition. Please note following steps to fix this problem.

  1. tools.jar is missing from required path if you are using jdk1.7 x64 bit version.

  2. Please install x86 version of jdk1.7

  3. Set JDK_HOME=”C:\Program Files (x86)\Java\jdk1.7.0_67″ and update path environment variable as path=”C:\Program Files (x86)\Java\jdk1.7.0_67\bin”
    Note: Linux put the proper path.

  4. Launch 32 bit application from /android-studio\bin folder.

I tested and verified these steps on windows 7 with 32 bit jdk1.7

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It’s probably because you don’t have jdk installed in your machine. I had exact same problem in first run. Open a terminal (CTRL+ALT+T) and type: sudo apt-get install openjdk-7-jdk

When done setup Java environment variable. Steps as follows:

  1. sudo gedit /etc/environment
  2. Either in the beginning or end of the file write: JAVA_HOME=/usr/lib/jvm/java-7-openjdk-i386 (location may vary depending on the installation of your Java)
  3. export JAVA_HOME
  4. save and exit editor.
  5. Load the path variable again using the terminal: . /etc/environment

Couple of helpful links for further clarifications:

Hope this helps.

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On Windows 7 just run the studio.bat file in your android-studio/bin folder with right click as an administrator. Now you get ask to import previous studio settings. Ignore this and on the next dialog you can specify the path to your jdk directory.
That’s all.

Marcel

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I ran into this issue when I was referencing

 [drive]:\Program Files\Java\jdk1.8.0_65 

in my JAVA_HOME environment var instead of the Android Studio recommended

[drive]:\Program Files\Java\jdk1.7.0_79. 

I am using the x64 version of the JDK on Windows 10 Pro.

From the Android Studio installation instructions.

Before you set up Android Studio, be sure you have installed JDK 6 or higher (the JRE alone is not sufficient)—JDK 7 is required when developing for Android 5.0 and higher. To check if you have JDK installed (and which version), open a terminal and type javac -version. If the JDK is not available or the version is lower than version 6, download the Java SE Development Kit 7

http://developer.android.com/sdk/installing/index.html?pkg=studio

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You have 2 things you must check:

  1. verify that /etc/environment file has the correct JAVA_HOME and PATH values referring to your Java installation directory.
  2. verify that you have the correct Java version (maybe you are using a distribution of Linux which need a server version of Java) you may need this version like my case JRE for server.
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On my Linux Mint 17.3 install, I found these instructions incredibly helpful.

The problem seems to boil down to the system’s default Java being OpenJDK and Android Studio preferring Oracle’s JDK. I actually did not perform the OpenJDK removal steps given in the tutorial, but only downloaded the Oracle JDK and set it as my system’s default. Android Studio worked right away.

In case the linked page ever goes away, the steps I took were

Download Oracle JDK. Mine was version 1.7.0_79.

tar -zxvf jdk-7u79-linux-x64.tar.gz
sudo mkdir -p /opt/java
sudo mv jdk1.7.0_79 /opt/java
sudo update-alternatives --install "/usr/bin/java" "java" "/opt/java/jdk1.7.0_79/bin/java" 1
sudo update-alternatives --set java /opt/java/jdk1.7.0_25/bin/java

and

java -version

confirms the system is using Oracle’s JDK, giving output like

java version "1.7.0_79"
Java(TM) SE Runtime Environment (build 1.7.0_79-b15)
Java HotSpot(TM) 64-Bit Server VM (build 24.79-b02, mixed mode)

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