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When I try to run pycharm it shows this error:

ERROR: Cannot start PyCharm
No JDK found. Please validate either PYCHARM_JDK, JDK_HOME or JAVA_HOME environment variable points to valid JDK installation.

I typed python into my terminal and it shows that I have python 3.4 installed, but pycharm cant access it.

How can I fix this?

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3
  • Please post the exact error messages.
    – Jan
    Sep 5, 2014 at 21:28
  • which error messages?
    – Gavin Flynn
    Sep 5, 2014 at 21:30
  • What pycharm tells you that makes you think you need the "python jdk"
    – Jan
    Sep 5, 2014 at 21:31

3 Answers 3

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3

The problem is not with Python. JDK stands for Java Development Kit, which PyCharm need in order to run.

Try this link to install the Open JDK:

https://stackoverflow.com/questions/14788345/how-to-install-jdk-on-ubuntu-linux

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1
  • Thanks that worked! The Ubuntu community is really amazing!
    – Gavin Flynn
    Sep 5, 2014 at 22:27
2

I had the same issue today and the selected answer above did not help. This is what I did to resolve mine.

I installed pycharm via getdeb repository so my installation folder is located at: /usr/share/pycharm. In order to fix this issue steps are:

  1. sudo gedit or sudo xed /usr/share/pycharm/bin/pycharm.sh
  2. find Line: JDK=`update-alternatives --list java | grep java-8 | sed 's,jre/bin/java,,' and replace it with JDK = '/usr/lib/jvm/java-8-oracle/' or JDK = '/usr/lib/jvm/java-8-openjdk-amd64/' if you're using openjdk.
  3. Save and exit, then try running pycharms again. You should be good to go.
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0

No JDK found means that it can't find Java on your machine. So check if Java is installed--if not, install it.

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