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  1. #1
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    Simplifying the Java testing matrix


    How often are bugs discovered that are particular to a JVM?

    For example, if a Java App works on NT 4 with the SUN JVM, how likeky is it that it will fail to work on the MS JVM?

    Do most companies support and test multiple JVMs or do they just validate it on one and require the customer to use it?

    Also, wrt to OS.

    How often will bugs be discovered

    Right now , we are testing Java App on Solaris and Linux. So far , I have never heard of a Linux specific bug . Is it possible to lessen the resources used to test on Linux and focus on Solaris?

  2. #2
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    Re: Simplifying the Java testing matrix

    We are in the process of developing a dev platform to run on a Kada JVM. That is the only JVM that we will support, due to it's support of developmental needs as well as performance requirements. In contrast, we are only testing the OS we have in production, which is linux.
    I think that the deeper, (more white box) you get, the more bugs you will find. We are still at the black box level but as we get more and more familiar with the separate components of the engine, the more bugs we find.
    It's a whole new world for me, as far as SQA is concerned and developing strategy right now is my primary focus.

    ------------------

  3. #3
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    Re: Simplifying the Java testing matrix

    We have found several JVM specific bugs in Sun JDK 1.2.2 for NT. The developers say most are fixed in 1.3. We also have another bug that only occur with the Solaris JVM.

    One interesting bug has been attributed to the "hotspot" JVM optimizer.

    Java has been a bit rough on the edges, but it is quickly getting better and better.

    It is not like Microsoft, which seems to deliberately add new bugs and incompatabilities with each new release


    ------------------
    Rob Kapteyn
    Rob Kapteyn, CSTE
    RobKapteyn@gmail.com

 

 

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