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Task 4.5 Run the File-AID Execution Server in 64 Bit JVM on Linux

After installing File-AID/EX, a change must be made to go.sh in the dme folder to turn on 64-bit mode.

Warning

Important

Failure to first stop the execution server results in having an engine running on both the old port and the new port. This makes it difficult to determine which engine to shut down because there is no port designation to indicate which engine goes with which port.

  1. Change the Java JRE path to point to a JRE that has 64-bit support.

    Success

    Tip

    JREs can be downloaded at http://www.oracle.com/technetwork/java/index.html. Contact your system administrator for assistance in locating and installing an appropriate JRE.

  2. After this change to dme/go.sh is complete, stop the execution server and restart it. When the execution server restarts, it should display the following message to stdout along with other logging information:

    sun.arch.data.model: 64

If the number displayed is 64, the execution server is running in 64-bit mode. If the number displayed is 32, it is still running in 32-bit mode and 64-bit is not supported.

Instructions for Changing JRE Bitness for Particular Versions of OS

On 64-bit Linux, it is necessary to point to a separate 64-bit Java JRE.

  1. To verify that Java is running in 64-bit mode, run it with the '-version' parameter.{{code language="none"}}


    {{/code}}

    Information
    Example

    /usr/java/bin# java -version
    openjdk version "1.8.0_181"
    OpenJDK Runtime Environment (build 1.8.0_181-b13)
    OpenJDK 64-Bit Server VM (build 25.181-b13, mixed mode)

  2. Update the location of Java in dme/go.sh to point to this 64-bit Java.

 

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