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Remove URLStreamHandlerRuntime #471

Merged
merged 1 commit into from
Jun 17, 2020
Merged

Remove URLStreamHandlerRuntime #471

merged 1 commit into from
Jun 17, 2020

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Godin
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@Godin Godin commented Dec 14, 2016 •
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I propose to remove org.jacoco.core.runtime.URLStreamHandlerRuntime for the following reasons:

  • won't work in JDK 9 and actually already doesn't work with EA b148 due to use of setAccessible for private field java.net.URL#handlers
  • has lower performance than org.jacoco.core.runtime.ModifiedSystemClassRuntime that is used by default and than org.jacoco.core.runtime.SystemPropertiesRuntime
  • not used by default

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marchof commented Dec 10, 2016

@Godin Ok for me!

@Godin Godin self-assigned this Dec 10, 2016
@Godin Godin added this to the 0.7.9 milestone Dec 10, 2016
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Godin commented Dec 11, 2016 •
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As a note: seems that setAccessible can be used by agents in JDK 9 - see #ReflectiveAccessByInstrumentationAgents ( Instrumentation.redefineModule )

@Godin Godin force-pushed the issue-471 branch 2 times, most recently from cf60ebd to 7bd5474 Compare December 14, 2016 02:00
@Godin Godin mentioned this pull request Dec 15, 2016
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@Godin Godin removed this from the 0.7.9 milestone Jan 27, 2017
marchof
marchof approved these changes Feb 7, 2017
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@Godin Good for me to merge this if this is still required,

marchof
marchof requested changes Jul 18, 2017
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org.jacoco.doc/docroot/doc/implementation.html Outdated
needs to access internal members of the <code>java.net.URL</code> class.</li>
needs to access internal members of the <code>java.net.URL</code> class
and thus will require additional modifications to work with JDK 9
(at least was required for EA b148), so has been removed in 0.7.9.</li>
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@marchof marchof Jul 18, 2017 •
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Next JaCoCo release is 0.8.0

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marchof commented May 5, 2020

@Godin What about merging this old PR? In the meantime we get this build warning for >= Java 9:

WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.jacoco.core.runtime.URLStreamHandlerRuntime (file:/workspace/org.jacoco.core/target/org.jacoco.core-0.8.6-SNAPSHOT.jar) to field java.net.URL.handlers
WARNING: Please consider reporting this to the maintainers of org.jacoco.core.runtime.URLStreamHandlerRuntime
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release

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marchof commented May 19, 2020

@Godin I rebased this old PR on master. Can you please review?

@Godin @marchof
Remove URLStreamHandlerRuntime
0aa7c41 
* uses reflection to access internal members of the java.net.URL class
* not used by default
* has lower performance than ModifiedSystemClassRuntime that is used by
  default and than SystemPropertiesRuntime
@marchof marchof merged commit 2a75e0d into master Jun 17, 2020
@marchof marchof deleted the issue-471 branch June 17, 2020 20:45
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Godin commented Jun 18, 2020

@marchof thanks for rebasing and merging this! 👍

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