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How to configure CICS Transaction Gateway (CTG) on RHEL9?

  • 1.  How to configure CICS Transaction Gateway (CTG) on RHEL9?

    Posted Wed May 17, 2023 09:02 AM

    I already download CTG 9.3 on RHEL 9.2 I'm now trying to configure it with the configuration tool

    as sonn as i write the command ctgcfg to run the configuration toll I get this error: Exception in thread "main" java.lang.NoClassDefFoundError: at$(Unknown Source) at Source) at Source)

    I don't know how to fix it any advice? ps: I already downloaded the JVM and still have the same problem

    anas ammor

  • 2.  RE: How to configure CICS Transaction Gateway (CTG) on RHEL9?

    Posted Mon June 26, 2023 11:00 AM

    The error message you provided indicates that there is a problem with finding the class "" in the Java classpath. This error often occurs when there is a mismatch between the classpath and the actual location of the required class.

    To troubleshoot and resolve this issue, you can try the following steps:

    1. Verify the CTG installation: Make sure that the CTG (CICS Transaction Gateway) 9.3 is installed correctly on your system. Double-check the installation path and ensure that all the necessary files are present.

    2. Check the classpath: Review the classpath settings to ensure that it includes the necessary CTG libraries. The classpath is a list of directories and JAR files where Java looks for classes. It should include the path to the CTG libraries containing the "" class.

      You can set the classpath using the "-cp" or "-classpath" option when running the command. Make sure that you have provided the correct path to the CTG libraries.

    3. Verify JVM compatibility: Ensure that the JVM version you installed is compatible with CTG 9.3. Check the CTG documentation or release notes for the recommended JVM version and ensure that it is installed and properly configured.

    4. Check for conflicting JAR files: It's possible that there may be conflicting JAR files or versions in your classpath. Make sure that there are no other versions of CTG or related libraries in the classpath that may be causing conflicts. Remove any conflicting JAR files and try running the configuration tool again.

    5. Restart the system: Sometimes, a system restart can help resolve classpath-related issues. Try restarting your system and then run the configuration tool again.

    Selin Moran