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By default, eStudio is configured to launch using 32-bit JVM. To use 64-bit JVM with eStudio, a patch has to be applied. This patch can be used to upgrade eStudio from 32bit JDK to 64bit JDK and vice versa.

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The patch can be applied only in Windows and Linux platforms.

Prerequisites

Make sure that you have Apache Ant installed on the machine.

  1. Download Apache Ant from the Apache website.

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    We recommend Ant version 1.9.2

  2. After downloading Ant, extract the Apache Ant zip file to a desired location
  3. Set ANT_HOME by performing the following actions:
  • Windows
    1. Set a new User Variable with the Environment Variable name 'ANT_HOME' and the Variable Value pointing to the location of the extracted Apache Ant files.
    2. Edit the System Variable Path appending ';%ANT_HOME%/bin' at the end.
  • Linux
    Provide the following command:

Go ahead with the Patch installation; steps to install and uninstall the patch are in the below sections.

Installing 64-bit Jars

Go to the location $FIORANO_HOME\eStudio\patch\. This contains a file "Launching eStudio using 64.doc" and a folder "eStudio-delta-pack" .

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Before applying the patch, please make sure that eStudio is not running.

Now perform the following actions:

  1. Open a console inside the folder FIORANO_HOME/eStudio/patch/eStudio-delta-pack and execute the following command:

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    The patch will be applied and 64bit jar files are copied to the installer and backup is created in the below directories:

    • eStudio-delta-pack/backup

    • eStudio-delta-pack/launchers/backup

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    Please do not rename any files in FIORANO_HOME/eStudio folder before executing these scripts. The patch takes care of files backup. If you need to backup in some external location then copy the files to the external location.

  2. Open the eStudio.ini file by navigating through FIORANO_HOME/eStudio

  3. In the file, add the following lines one below the other (two different lines) as mentioned below:

    –vm 
     {JAVA_HOME}\bin 
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    • The option –vm has to be added above the "-vmargs" line 
    • JDK_HOME should point to a 64 bit JVM
  4. In case of Linux, change the eStudio launcher executable permissions if required.
  5. Launch eStudio.

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    In eStudio, JVM details can be checked from Help > About Fiorano eStudio > Installation Details > Configuration tab.

Uninstalling 64-bit Jars

To uninstall a 64 bit jar, perform the following actions:

  1. Open a console inside the folder FIORANO_HOME/eStudio/patch/eStudio-delta-pack and execute the following command:

  2. The patch will be applied and 32bit jar files are copied to the installer and 64 bit jars backup is created in eStudio-delta-pack/backup directory.
  3. Edit FIORANO_HOME/eStudio/eStudio.ini and change –vm option to point to 32bit JVM.
  4. In case of Linux, change the eStudio launcher executable permissions if required.
  5. Launch eStudio.

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    In eStudio, JVM details be checked from Help > About Fiorano eStudio > Installation Details > Configuration tab.

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