jdk_vector_0_FAILED jdk/incubator/vector/Float64VectorTests.java NullPointerException: Cannot throw exception

[JasonFengJ9]

Failure link

From an internal build(rhel8-aarch64-6):

openjdk version "22-beta" 2024-03-19
IBM Semeru Runtime Open Edition 22+36-202404170030 (build 22-beta+36-202404170030)
Eclipse OpenJ9 VM 22+36-202404170030 (build master-f1565c18f, JRE 22 Linux aarch64-64-Bit Compressed References 20240417_46 (JIT enabled, AOT enabled)
OpenJ9   - f1565c18f
OMR      - 2f492f4e3
JCL      - ed6803212 based on jdk-22+36)

Rerun in Grinder

Optional info

Failure output (captured from console output)

[2024-04-17T05:06:45.930Z] variation: Mode150
[2024-04-17T05:06:45.930Z] JVM_OPTIONS:  -XX:+UseCompressedOops -Xverbosegclog 

[2024-04-17T05:39:02.581Z] TEST: jdk/incubator/vector/Float64VectorTests.java

[2024-04-17T05:39:02.587Z] test Float64VectorTests.unsliceUnaryFloat64VectorTests(float[cornerCaseValue(i)]): failure
[2024-04-17T05:39:02.587Z] java.lang.NullPointerException: Cannot throw exception
[2024-04-17T05:39:02.587Z] 	at java.base/jdk.internal.vm.vector.VectorSupport.shuffleToVector(VectorSupport.java:262)
[2024-04-17T05:39:02.587Z] 	at jdk.incubator.vector/jdk.incubator.vector.Float64Vector$Float64Shuffle.toVector(Float64Vector.java:810)
[2024-04-17T05:39:02.587Z] 	at jdk.incubator.vector/jdk.incubator.vector.Float64Vector$Float64Shuffle.toVector(Float64Vector.java:774)
[2024-04-17T05:39:02.587Z] 	at jdk.incubator.vector/jdk.incubator.vector.FloatVector.unsliceTemplate(FloatVector.java:2232)
[2024-04-17T05:39:02.587Z] 	at jdk.incubator.vector/jdk.incubator.vector.Float64Vector.unslice(Float64Vector.java:432)
[2024-04-17T05:39:02.587Z] 	at jdk.incubator.vector/jdk.incubator.vector.Float64Vector.unslice(Float64Vector.java:41)
[2024-04-17T05:39:02.587Z] 	at Float64VectorTests.unsliceUnaryFloat64VectorTests(Float64VectorTests.java:3657)
[2024-04-17T05:39:02.587Z] 	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
[2024-04-17T05:39:02.587Z] 	at java.base/java.lang.reflect.Method.invoke(Method.java:586)
[2024-04-17T05:39:02.587Z] 	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:132)
[2024-04-17T05:39:02.587Z] 	at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:599)
[2024-04-17T05:39:02.587Z] 	at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:174)
[2024-04-17T05:39:02.587Z] 	at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
[2024-04-17T05:39:02.587Z] 	at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:822)
[2024-04-17T05:39:02.587Z] 	at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:147)
[2024-04-17T05:39:02.587Z] 	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
[2024-04-17T05:39:02.587Z] 	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
[2024-04-17T05:39:02.587Z] 	at java.base/java.util.ArrayList.forEach(ArrayList.java:1597)
[2024-04-17T05:39:02.587Z] 	at org.testng.TestRunner.privateRun(TestRunner.java:764)
[2024-04-17T05:39:02.587Z] 	at org.testng.TestRunner.run(TestRunner.java:585)
[2024-04-17T05:39:02.587Z] 	at org.testng.SuiteRunner.runTest(SuiteRunner.java:384)
[2024-04-17T05:39:02.587Z] 	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:378)
[2024-04-17T05:39:02.587Z] 	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:337)
[2024-04-17T05:39:02.587Z] 	at org.testng.SuiteRunner.run(SuiteRunner.java:286)
[2024-04-17T05:39:02.587Z] 	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
[2024-04-17T05:39:02.587Z] 	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
[2024-04-17T05:39:02.587Z] 	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1218)
[2024-04-17T05:39:02.587Z] 	at org.testng.TestNG.runSuitesLocally(TestNG.java:1140)
[2024-04-17T05:39:02.587Z] 	at org.testng.TestNG.runSuites(TestNG.java:1069)
[2024-04-17T05:39:02.587Z] 	at org.testng.TestNG.run(TestNG.java:1037)
[2024-04-17T05:39:02.587Z] 	at com.sun.javatest.regtest.agent.TestNGRunner.main(TestNGRunner.java:102)
[2024-04-17T05:39:02.587Z] 	at com.sun.javatest.regtest.agent.TestNGRunner.main(TestNGRunner.java:58)
[2024-04-17T05:39:02.587Z] 	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
[2024-04-17T05:39:02.587Z] 	at java.base/java.lang.reflect.Method.invoke(Method.java:586)
[2024-04-17T05:39:02.587Z] 	at com.sun.javatest.regtest.agent.MainWrapper$MainTask.run(MainWrapper.java:138)
[2024-04-17T05:39:02.587Z] 	at java.base/java.lang.Thread.run(Thread.java:1582)

[2024-04-17T05:39:02.587Z] 
[2024-04-17T05:39:02.587Z] ===============================================
[2024-04-17T05:39:02.587Z] jdk/incubator/vector/Float64VectorTests.java
[2024-04-17T05:39:02.587Z] Total tests run: 3211, Passes: 3203, Failures: 8, Skips: 0
[2024-04-17T05:39:02.587Z] ===============================================
[2024-04-17T05:39:02.587Z] 
[2024-04-17T05:39:02.587Z] STDERR:
[2024-04-17T05:39:02.587Z] WARNING: Using incubator modules: jdk.incubator.vector
[2024-04-17T05:39:02.587Z] java.lang.Exception: failures: 8
[2024-04-17T05:39:02.587Z] 	at com.sun.javatest.regtest.agent.TestNGRunner.main(TestNGRunner.java:104)
[2024-04-17T05:39:02.587Z] 	at com.sun.javatest.regtest.agent.TestNGRunner.main(TestNGRunner.java:58)
[2024-04-17T05:39:02.587Z] 	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
[2024-04-17T05:39:02.587Z] 	at java.base/java.lang.reflect.Method.invoke(Method.java:586)
[2024-04-17T05:39:02.587Z] 	at com.sun.javatest.regtest.agent.MainWrapper$MainTask.run(MainWrapper.java:138)
[2024-04-17T05:39:02.587Z] 	at java.base/java.lang.Thread.run(Thread.java:1582)
[2024-04-17T05:39:02.587Z] 
[2024-04-17T05:39:02.587Z] JavaTest Message: Test threw exception: java.lang.Exception: failures: 8

[2024-04-17T06:34:54.390Z] Test results: passed: 72; failed: 1
[2024-04-17T06:34:59.357Z] Report written to /home/jenkins/workspace/Test_openjdk22_j9_extended.openjdk_aarch64_linux_testList_2/aqa-tests/TKG/output_17133259812212/jdk_vector_0/report/html/report.html
[2024-04-17T06:34:59.357Z] Results written to /home/jenkins/workspace/Test_openjdk22_j9_extended.openjdk_aarch64_linux_testList_2/aqa-tests/TKG/output_17133259812212/jdk_vector_0/work
[2024-04-17T06:34:59.357Z] Error: Some tests failed or other problems occurred.
[2024-04-17T06:34:59.357Z] -----------------------------------
[2024-04-17T06:34:59.357Z] jdk_vector_0_FAILED

50x internal grinder - passed

[JasonFengJ9]

openjdk24_j9_extended.openjdk_aarch64_linux

[2025-07-23T08:07:28.941Z] variation: Mode650
[2025-07-23T08:07:28.941Z] JVM_OPTIONS:  -XX:-UseCompressedOops -Xverbosegclog 

[2025-07-23T08:55:14.493Z] TEST: jdk/incubator/vector/Float64VectorTests.java

[2025-07-23T08:55:14.497Z] test Float64VectorTests.unsliceUnaryFloat64VectorTests(float[i + 1]): failure
[2025-07-23T08:55:14.497Z] java.lang.NullPointerException: Cannot throw exception because the return value of "java.lang.Class.newInternalError(java.lang.Exception)" is null
[2025-07-23T08:55:14.497Z] 	at java.base/java.lang.Class.copyFields(Class.java:4297)
[2025-07-23T08:55:14.497Z] 	at java.base/java.lang.Class.lookupCachedFields(Class.java:4311)
[2025-07-23T08:55:14.497Z] 	at java.base/java.lang.Class.getDeclaredFields(Class.java:838)
[2025-07-23T08:55:14.497Z] 	at java.base/jdk.internal.vm.vector.VectorSupport.isNonCapturingLambda(VectorSupport.java:788)
[2025-07-23T08:55:14.497Z] 	at java.base/jdk.internal.vm.vector.VectorSupport.shuffleToVector(VectorSupport.java:269)
[2025-07-23T08:55:14.497Z] 	at jdk.incubator.vector/jdk.incubator.vector.Float64Vector$Float64Shuffle.toVector(Float64Vector.java:817)
[2025-07-23T08:55:14.497Z] 	at jdk.incubator.vector/jdk.incubator.vector.Float64Vector$Float64Shuffle.toVector(Float64Vector.java:781)
[2025-07-23T08:55:14.497Z] 	at jdk.incubator.vector/jdk.incubator.vector.FloatVector.unsliceTemplate(FloatVector.java:2245)
[2025-07-23T08:55:14.497Z] 	at jdk.incubator.vector/jdk.incubator.vector.Float64Vector.unslice(Float64Vector.java:432)
[2025-07-23T08:55:14.497Z] 	at jdk.incubator.vector/jdk.incubator.vector.Float64Vector.unslice(Float64Vector.java:41)
[2025-07-23T08:55:14.497Z] 	at Float64VectorTests.unsliceUnaryFloat64VectorTests(Float64VectorTests.java:3667)

50x grinder - in progress, 6 failures were reproduced so far

[vij-singh]

@gita-omr @BradleyWood @knn-k This has landed in the Java 24 and therefore is very urgent. Could someone have a look ASAP please?

[pshipton]

Java 24 might be the wrong milestone, if the failure only occurs in the head stream and not in the 0.54 branches.

[pshipton]

0.54 grinder https://hyc-runtimes-jenkins.swg-devops.com/job/Grinder/53268/ - the failure is recreated
https://hyc-runtimes-jenkins.swg-devops.com/job/Grinder_iteration_1/5963/consoleFull

[pshipton]

Tested JVM is post 0.54 split

04:05:34  Eclipse OpenJ9 VM 24.0.2+12-202507230004 (build master-219a4ac9d1, JRE 24 Linux aarch64-64-Bit Compressed References 20250723_109 (JIT enabled, AOT enabled)
04:05:34  OpenJ9   - 219a4ac9d1
04:05:34  OMR      - b1c9a2579
04:05:34  JCL      - ca85d36ef based on jdk-24.0.2+12)

0.54 split
openj9 - f6940e2
omr - f3fe0c1

Newer changes in the head stream.
f6940e2...219a4ac
eclipse-openj9/openj9-omr@b1c9a25...f3fe0c1

#15695 was added, which is likely the cause.
It's also attributed to #22286

[vij-singh]

@gita-omr @BradleyWood Ok, we'll need to fix this in the 0.54 (Java 24) split
@pshipton Could you add the JIT label please?

[BradleyWood]

Sorry, I don't follow. #15695 is not in 0.54, and I don't understand what it has to do with this issue, its an arrch64 issue?

[pshipton]

Right sorry, I missed the failure was on aarch64, so #15695 can't be the cause. In this case, it seems likely a problem in 0.54 that should be resolved. To confirm via the grinder in #19333 (comment)

[pshipton]

The grinder confirmed the failures is in the 0.54 stream.

[knn-k]

There is an issue #20389 with JDK 21/23/24 on AArch64 Linux and on x86 Linux that has been assigned to @BradleyWood.
It is similar to #19333 (comment): NPE "Cannot throw exception because the return value ..." at java.base/java.lang.Class.copyFields().

I guess we need to recognize the two patterns: NPE at VectorSupport.shuffleToVector() and NPE at Class.copyFields(). Maybe they are related each other, though.

[pshipton]

Since #19333 (comment) seems a dup of #20389 and it's a long standing issue, I'll move this out of the 0.54 milestone.