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javapythoneclipsejvmjpype
Shany
Shany

Reputation: 105

Start JVM not working

I have on my comp: python 2.7- 32bit , eclipse 64-bit and java 8 64-bit.
I have installed jpype -32bit for python 2.7 . Jpype is importing normally but i am facing a problem that is when i call:

jpype.getDefaultJVMPath() it is returning none.

also i can not run JVM: 

jpype.isJVMStarted() is returning 0

and this is not working:

JVM = 'C:\\Program Files\\Java\\jdk1.8.0_91\\jre\\bin\\server\\jvm.dll'
jpype.startJVM(JVM , '-ea')

Please anyone tell me what the problem is and how to fix it? is it a 32 - 64 bit conflict?

Upvotes: 0

Views: 4439

Answers (1)

Adnan Mohib
Adnan Mohib

Reputation: 369

Try this:
1. Uninstall JDK and remove any environment variables of JAVA_Home.
2. Install Latest version of JDK and don't worry about environment variables because it automatically does.
3. Install Javabridge package in Python.

pip install javabridge

4.Javabridge might require numpy

pip install numpy

5.now try to import javabridge in python.

import javabridge
  1. if successfully imported without any error of unable to start jvm or jvm.dll then your problem is solved.

Upvotes: 1

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