Skip to Content

JNet on SAPGUI 740

Hi

Im really struggling with the installation of Jnet/Jgantt on SAPGUI 740?

First of all i cannot check the checkbox for JNet in the installation guide. It tells me that some prerequisities are missing: SAP GUI 740 and 32-bit Java.

I have installed both but still i cannot check the JNet option. On another brand new PC i managed to get read of the Java error, but still i get the message that SAP GUI 740 must be installed?

Any good ideas?

Add comment
10|10000 characters needed characters exceeded

  • Get RSS Feed

10 Answers

  • avatar image
    Former Member
    Dec 14, 2015 at 03:28 PM

    Have you reviewed all the applicable notes released by SAP?  Depending on your back-end release, you no longer need to install these locally.  Also a key note 1640569. 

    1640569 - JNET cannot be called if Java 7 is used

    2103687 - New implementation of JNet and JGantt in SAP GUI for Windows

    2164890 - JNET in SAP GUI support of HTTP (not only HTTPS)

    2016249 - SAP GUI (for Windows) Error Message "JNet not installed"

    1926137 - New version of JNet/JGantt JAR files for WebDynpro/ABAP applications

    Cheers,

    Dan Mead

    Add comment
    10|10000 characters needed characters exceeded

  • Nov 06, 2014 at 07:59 AM

    Hello Jakob,

    can you upload the most recent logfiles?

    What is the OS version/Home/Professional/Enterprise?

    Add comment
    10|10000 characters needed characters exceeded

  • Nov 03, 2014 at 03:25 PM

    Hi Jakob,

    So you have installed SAPGUI 740 successfully and now attempting to install the JNET/JGANTT component?

    Have you checked to make sure the JAVA 32-bit version is enabled for your user?  You can check this by opening Control Panel and selecting the JAVA icon.  A window will open and select the JAVA tab, then click the "view" button.  A new window will open showing JRE settings.  The first tab is for the User and the 32-bit version should be shown in the table with the box checked for enabled.

    -Jayson

    Add comment
    10|10000 characters needed characters exceeded

  • Nov 03, 2014 at 03:51 PM

    Hello Jakob,

    I managed to install it with no trouble.

    Can you please upload the installation logs from the %programfiles%\SAP\Sapsetup\Logs\ location for analysis

    Jude

    Add comment
    10|10000 characters needed characters exceeded

    • Hi

      Yes, but i started with Java 8 = error. Then Java 7 = error.

      Last i installed java 6 and as you see the Java errors are gone from the installation tool :-) So yes Java 6 is not supported but never-less with Java 6 i managed to get one step further (but not to the goal...)

  • Nov 04, 2014 at 01:18 PM

    If you created a package, then you need to ensure that the Java Runtime is installed.

    In my case,the option was selectable.

    Is this a package or a product you have created?

    Jude

    Add comment
    10|10000 characters needed characters exceeded

    • Hi Jude

      Well as expected running from the installation server makes no difference:

      I really don´t think using an installation server will change anything because it seems that the problem is related to the Client: for some reason the SAP installation tool cannot see that SAPGUI740 and Java is installed.

      But as you see from screen-shot above SAP installation tool whants me to set Java version as Default - where to do that??

      NwSapSetup.txt.zip (12.8 kB)
      sdn.PNG (187.0 kB)
  • Nov 04, 2014 at 02:10 PM

    Jakob,

    Maybe try right clicking on the SetupAll.exe file and running as Administrator? 

    Add comment
    10|10000 characters needed characters exceeded

  • Jan 29, 2015 at 02:17 PM

    Hi Jakob,

    Just wanted to share what I've come across on this issue lately.  I attempted to install SAPGUI 740 with Java 8 installed and was unable install JNet/JGantt with the installer complaining about the JAVA version and telling me that SAPGUI 740 wasn't installed.

    I then uninstalled the SAPGUI 740 fully and uninstalled Java 8.  Next I installed Java7_75 32 and 64 bit.  I then installed SAPGUI 740 again and was able to select JNet/JGantt during the install.

    I also found this note 2103687 regarding Java 8 and JNet/JGantt.

    Hope you are able to sort this out.

    -Jayson

    Add comment
    10|10000 characters needed characters exceeded

    • Former Member

      Hi Jayson,

      the problem is now solved, thank you. I have just followed the note 2103687 and related note 2016249. I have uninstalled Java RTE 8 and used 7.72 instead and then the JNet/JGantt installation worked as expected.

      Thank you

      Michal

  • avatar image
    Former Member
    Aug 18, 2015 at 08:35 PM

    I realize this is an old post but has anyone found a satisfactory answer to this. I work in a college and we're deploying SAP_GUI to our labs. Uninstalling Java 8 is not a solution and, frankly, I'm a little surprised this is still a problem almost 10 months after the original post.

    Add comment
    10|10000 characters needed characters exceeded

  • avatar image
    Former Member
    Dec 14, 2015 at 11:41 AM

    Hi, Jacob.

    I experienced the same issues with JNet on GUI 7.40.

    I solved it by moving installation files (SetupAll.exe and so) to the disk C: and shorten the installation path as much as posible.

    Then i ran setup as administrator and that solved all issues.

    Add comment
    10|10000 characters needed characters exceeded

  • avatar image
    Former Member
    Apr 05, 2016 at 03:25 PM

    thank you soo much i was able to install the sap version 7.30 GUI on my windows 8

    Add comment
    10|10000 characters needed characters exceeded