RFR: 8315097: Rename createJavaProcessBuilder [v3]

Leo Korinth lkorinth at openjdk.org
Wed Sep 6 16:24:45 UTC 2023


On Wed, 30 Aug 2023 09:23:55 GMT, Leo Korinth <lkorinth at openjdk.org> wrote:

>> Rename createJavaProcessBuilder so that it is not used by mistake instead of createTestJvm.
>> 
>> I have used the following sed script: `find -name "*.java" | xargs -n 1 sed -i -e "s/createJavaProcessBuilder(/createJavaProcessBuilderIgnoreTestJavaOpts(/g"`
>> 
>> Then I have manually modified ProcessTools.java. In that file I have moved one version of createJavaProcessBuilder so that it is close to the other version. Then I have added a javadoc comment in bold telling:
>> 
>>    /**
>>      * Create ProcessBuilder using the java launcher from the jdk to
>>      * be tested.
>>      *
>>      * <p><b> Please observe that you likely should use
>>      * createTestJvm() instead of this method because createTestJvm()
>>      * will add JVM options from "test.vm.opts" and "test.java.opts"
>>      * </b> and this method will not do that.
>>      *
>>      * @param command Arguments to pass to the java command.
>>      * @return The ProcessBuilder instance representing the java command.
>>      */
>> 
>> 
>> I have used the name createJavaProcessBuilderIgnoreTestJavaOpts because of the name of Utils.prependTestJavaOpts that adds those VM flags. If you have a better name I could do a rename of the method. I kind of like that it is long and clumsy, that makes it harder to use...
>> 
>> I have run tier 1 testing, and I have started more exhaustive testing.
>
> Leo Korinth has updated the pull request incrementally with one additional commit since the last revision:
> 
>   fix static import

I think you are missing the point. If you take a look at [the parent bug of the sub task](https://bugs.openjdk.org/browse/JDK-8314823) you can see that the problem described is *not* that people are using `createTestJvm` in error. The problem is that they are (or possibly are) using `createJavaProcessBuilder` in error. Thus renaming `createTestJvm` might help a little at most for this specific problem. Renaming `createJavaProcessBuilder` most probably helps *more*. I guess the alternative of forcing the user to make a choice using an enum value will help even more.

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PR Comment: https://git.openjdk.org/jdk/pull/15452#issuecomment-1708705105


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