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Running the attached minimal Java program under an OpenJ9 fastdebug build with -Xjit:optLevel=hot causes a JIT failure.

comp:jit

userRaised

Status: Open.

#23278 In eclipse-openj9/openj9;

· SunParis opened on Jan 29, 2026

·  

Release 0.59 (Java 8, 11, 17, 21, 25) Apr refresh

Running the Java program under an OpenJ9 (JDK27) fastdebug build with -Xjit:count=0,optLevel=scorching, The results will be inconsistent

comp:jit

userRaised

Status: Open.

#23277 In eclipse-openj9/openj9;

· JinzeSi opened on Jan 29, 2026

·  

Release 0.59 (Java 8, 11, 17, 21, 25) Apr refresh

Valhalla removed Modifier.IDENTITY

blocker

comp:vm

project:valhallaUsed to track Project Valhalla related workUsed to track Project Valhalla related work

test failure

Status: Open.

#23273 In eclipse-openj9/openj9;

· JasonFengJ9 opened on Jan 28, 2026

jdk_foreign_0 java/foreign/TestHandshake.java Segmentation error vmState=0x00000000 at jclse29.dll

comp:vm

segfaultIssues that describe segfaults / JVM crashesIssues that describe segfaults / JVM crashes

test failure

Status: Open.

#23269 In eclipse-openj9/openj9;

· JasonFengJ9 opened on Jan 27, 2026

jdk_util_other_1 java/util/Locale/LocaleProvidersFormat.java LocaleProvidersFormat::windowsChineseCurrencySymbol failed

test failure

Status: Open.

#23268 In eclipse-openj9/openj9;

· JasonFengJ9 opened on Jan 27, 2026

Running the attached minimal Java program under an OpenJ9 fastdebug build with -Xjit:count=200,optLevel=scorching causes a JIT assertion failure during compilation of Test. The same program runs normally (prints “PASS”) with default JIT settings.

comp:jit

userRaised

Status: Open.

#23266 In eclipse-openj9/openj9;

· SunParis opened on Jan 27, 2026

·  

Release 0.59 (Java 8, 11, 17, 21, 25) Apr refresh

Running the attached minimal Java program under an OpenJ9 fastdebug build with -Xjit:optLevel=hot causes a JIT assertion failure during compilation of Test. The same program runs normally (prints “PASS”) with default JIT settings.

comp:jit

userRaised

Status: Open.

#23264 In eclipse-openj9/openj9;

· SunParis opened on Jan 27, 2026

·  

Release 0.59 (Java 8, 11, 17, 21, 25) Apr refresh

[Class Loading] Class.forName allows loading primitive type "int" via custom ClassLoader, deviating from HotSpot and Spec

comp:vm

userRaised

Status: Open.

#23263 In eclipse-openj9/openj9;

· Shawn-Patrick-Star opened on Jan 27, 2026

·  

Release 0.59 (Java 8, 11, 17, 21, 25) Apr refresh

cmdLineTester_jfr_0 VM API Test - approx 2mins timed out

jfr

test failure

Status: Open.

#23261 In eclipse-openj9/openj9;

· JasonFengJ9 opened on Jan 26, 2026

cmdLineTester_criu_nonPortableRestore_9_FAILED TestSingleThreadModeRestoreException Segmentation error vmState=0x00400005

criuUsed to track CRIU snapshot related workUsed to track CRIU snapshot related work

segfaultIssues that describe segfaults / JVM crashesIssues that describe segfaults / JVM crashes

test failure

Status: Open.

#23259 In eclipse-openj9/openj9;

· JasonFengJ9 opened on Jan 26, 2026

jdk_lang_j9_0 java/lang/System/FileEncodingTest.java RuntimeException: default charset is not the one expected

test failure

Status: Open.

#23258 In eclipse-openj9/openj9;

· JasonFengJ9 opened on Jan 26, 2026

cmdLineTester_criu_nonPortableRestore_jdk_crac_2 jdk.crac - jcmd request checkpoint via JDK.checkpoint timed out

criuUsed to track CRIU snapshot related workUsed to track CRIU snapshot related work

test failure

timeout

Status: Open.

#23253 In eclipse-openj9/openj9;

· JasonFengJ9 opened on Jan 26, 2026