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Disabling asynchronous input/output native transport by renaming native libraries

You can disable asynchronous input/output native transport code in WebSphere® Application Server by renaming the native libraries.

Important: When an IBM® WebSphere Application Server fix pack is installed, the asynchronous input/output libraries might be installed again. If the libraries are installed with the fix pack, you must rename them again.
For IBM WebSphere Application Server 8.0 and later, the native libraries are in the following directories.
  • AppServer/bin
  • AppServer/lib/native/Operating System/Architecture
  • For example, AppServer/lib/native/Linux/x86_64

To disable the asynchronous input/output native transport by renaming native libraries:

  1. Open a command prompt window.
  2. Type the commands for your operating system to disable the library:
    Option Description
    Linux mv libibmaio.so libibmaio.disabled

    mv libibmaiodbg.so libibmaiodbg.disabled

    Windows move ibmaio.dll ibmaio.dis

    move ibmaiodbg.dll ibmaiodbg.dis

    Tip: You can remove the native libraries, but you might want to rename the libraries in the same directory. Then, you know where the libraries are in case you need to reenable them. Since they are native libraries and not Java .jar files, the name is critical to load them.
  3. Restart WebSphere Application Server.


Last updated: March 2016
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© Copyright IBM Corporation 2016.
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