JDK-8262379 : Add regression test for JDK-8257746
  • Type: Bug
  • Component: core-svc
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • OS: linux
  • Submitted: 2021-02-25
  • Updated: 2022-12-16
  • Resolved: 2021-03-01
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Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.

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JDK 11 JDK 17 Other
11.0.16Fixed 17 b12Fixed openjdk8u372Fixed
Related Reports
Relates :  
JDK-8257746 - Regression introduced with JDK-8250984 - memory might be null in some machines
Relates :  
JDK-8254001 - [Metrics] Enhance parsing of cgroup interface files for version detection
Description
With JDK-8254001 integrated, relevant infrastructure should be in place so as to be able to create a simple regression test for the NPE problem described in JDK-8257746
Comments
Fix Request (8u) Please consider for 8u as part of cgroups v2 support. Test-only change. Not clean: fix ups include adjusting Files.writeString to Files.write. Thanks
16-12-2022
A pull request was submitted for review. URL: https://git.openjdk.org/jdk8u-dev/pull/171 Date: 2022-11-14 11:26:26 +0000
14-11-2022
Fix Request (11u) Please consider this backport for 11u as part of supporting cgroups v2. It depends upon 8254001. It's a clean, test-only change which passes.
29-04-2022
A pull request was submitted for review. URL: https://git.openjdk.java.net/jdk11u-dev/pull/1066 Date: 2022-04-29 15:16:35 +0000
29-04-2022
Changeset: 4c9adce2 Author: Severin Gehwolf <sgehwolf@openjdk.org> Date: 2021-03-01 15:14:40 +0000 URL: https://git.openjdk.java.net/jdk/commit/4c9adce2
01-03-2021
Proposed test fails prior JDK-8257746 with: JavaTest Message: JUnit Failure: testCgroupv1CpuControllerOnly(TestCgroupSubsystemFactory): Cannot invoke "jdk.internal.platform.cgroupv1.CgroupV1MemorySubSystemController.isSwapEnabled()" because "this.memory" is null java.lang.NullPointerException: Cannot invoke "jdk.internal.platform.cgroupv1.CgroupV1MemorySubSystemController.isSwapEnabled()" because "this.memory" is null at java.base/jdk.internal.platform.cgroupv1.CgroupV1Subsystem.getMemoryAndSwapLimit(CgroupV1Subsystem.java:357) at TestCgroupSubsystemFactory.testCgroupv1CpuControllerOnly(TestCgroupSubsystemFactory.java:275) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222) at org.junit.runners.ParentRunner.run(ParentRunner.java:300) at org.junit.runners.Suite.runChild(Suite.java:128) at org.junit.runners.Suite.runChild(Suite.java:24) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222) at org.junit.runners.ParentRunner.run(ParentRunner.java:300) at org.junit.runner.JUnitCore.run(JUnitCore.java:157) at org.junit.runner.JUnitCore.run(JUnitCore.java:136) at org.junit.runner.JUnitCore.run(JUnitCore.java:127) at org.junit.runner.JUnitCore.runClasses(JUnitCore.java:76) at com.sun.javatest.regtest.agent.JUnitRunner.main(JUnitRunner.java:76) at com.sun.javatest.regtest.agent.JUnitRunner.main(JUnitRunner.java:43) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127) at java.base/java.lang.Thread.run(Thread.java:831) ... and passes after.
25-02-2021