Windows 10: Accessing the Java log?

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  1.    3 Weeks Ago #1

    Accessing the Java log?


    I've had Java installed on my PCs for decades. But I'm wondering if it actually does anything. If not I'll probably uninstall it.

    I've just switched on the 'Enable logging' option via Settings > Control Panel > Java

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    But on trying to access the log file at
    C:\Windows\System32\config\systemprofile\AppData\LocalLow\Sun\Java\Deployment\log
    I got the message:
    "Windows cannot access the specified device, path or file. You may not have the appropriate permissions to access the item."

    However, using an elevated command prompt I was able to use dir *.* which reports no files in that folder.

    So, my question : is there a way to trigger some (trivial) Java activity so that I can test I can access it in future?

    Terry, East Grinstead, UK
      My ComputerSystem Spec


  2. Posts : 161
    Win 10 rs1 - build 14393.1794
       3 Weeks Ago #2

    Java is used in many programs and all browsers, some won't run if Java is not there.

    If you use internet based banking (online bank) it is often used to verified your identity, so do not uninstall it!

    About the log you have enabled, it is a log for debug, when problems arise. You have to wait until some event happen,
    such as it updating to new version, as it did 2 weeks ago. The log will not be created before something happens.

    Check that you have the newest version:

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      My ComputerSystem Spec

  3.    3 Weeks Ago #3

    Thanks Gordon, appreciate the tip about online banking. I do use that, although Firefox doesn't work well with it so I switch to Chrome or IE for that. I'll leave Java installed!

    Terry, East Grinstead, UK
      My ComputerSystem Spec


  4. Posts : 5,343
    Windows 10 Pro X64 16299.19
       2 Weeks Ago #4

    Browsers don't use Java, they use Javascript, a totally different language. I have not had Java installed for over 3 years and have not found any need for it yet.

    I suggest you uninstall it. If it's ever needed you'll be prompted for it.
      My ComputersSystem Spec

  5.   My ComputerSystem Spec

  6.    2 Weeks Ago #6

    Thanks Ztruker.
    @Gordon7: Perhaps you made the same mistake as me, in confusing Java and JavaScript?
      My ComputerSystem Spec


  7. Posts : 161
    Win 10 rs1 - build 14393.1794
       2 Weeks Ago #7

    The link given (Verge) is a 2 years old story! Java is still needed by a lot of programs and netbank verifications.

    Only Chrome and Edge don't use it, so if your bank use it, you will have to use IE or FF, Pale Moon a.s.o.
    Last edited by Gordon7; 2 Weeks Ago at 10:33.
      My ComputerSystem Spec


  8. Posts : 5,343
    Windows 10 Pro X64 16299.19
       2 Weeks Ago #8

    Sorry, no browser uses or requires Java. Applications that run in the browser space may need it, but I have not found one in over three years.
      My ComputersSystem Spec

  9.    2 Weeks Ago #9

    Edge and Google Chrome do not use Java and now Firefox and Pale Moon no longer use Java either in their latest versions. If you find a site that needs Java, you have to use IE11.
      My ComputerSystem Spec

  10.    2 Weeks Ago #10

    Just to clarify: the Java browser plugin, which runs Java applets in your browser, is separate from the Java runtime environment, which runs Java applications in your operating system. Both are part of the Oracle Java installation.

    Applets are slated for deprecation but some legacy sites like certain banks/governments may still use them because they never bothered to move to newer technology.

    If you have any Java applications then you will still need to have Java installed.

    If you are not sure if your banking sites use Java applets or if you have any Java applications then go ahead and uninstall it and see if anything breaks.
      My ComputerSystem Spec


 
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