DaaLoadTest_daa2_special_5m_4 ArrayIndexOutOfBoundsException: Array access index out of bounds. readFloat is trying to access byteArray[1] to byteArray[4], but valid indices are from 0 to 3 #22764
Description
Failure link
From internal Test_openjdk21_j9_special.system_aarch64_mac_testList_5 (macaarch64rt12)
openjdk version "21.0.9" 2025-10-21 LTS
IBM Semeru Runtime Open Edition 21.0.9.0-m2 (build 21.0.9+9-LTS)
Eclipse OpenJ9 VM 21.0.9.0-m2 (build 21.0.9+9-v0.56.0-release-12fce2816a, JRE 21 Mac OS X aarch64-64-Bit 20251021_563 (JIT enabled, AOT enabled)
OpenJ9 - 12fce2816a
OMR - a68be5f3d
JCL - cc8a574f313 based on jdk-21.0.9+9)
Rerun in Grinder - Change TARGET to run only the failed test targets
Optional info
Failure output (captured from console output)
[2025-10-09T13:31:01.634Z] Running test DaaLoadTest_daa2_special_5m_4 ...
[2025-10-09T13:31:01.634Z] ===============================================
[2025-10-09T13:31:01.634Z] DaaLoadTest_daa2_special_5m_4 Start Time: Thu Oct 9 06:31:01 2025 Epoch Time (ms): 1760016661053
[2025-10-09T13:31:01.634Z] variation: Mode112
[2025-10-09T13:31:01.634Z] JVM_OPTIONS: -Xgcpolicy:gencon -Xjit:count=0 -Xnocompressedrefs
[2025-10-09T13:31:45.759Z] DLT testStarted : testNAN(net.openj9.test.binaryData.TestByteArray2Float)
[2025-10-09T13:31:45.759Z] DLT testFailure: testNAN(net.openj9.test.binaryData.TestByteArray2Float): Array access index out of bounds. readFloat is trying to access byteArray[1] to byteArray[4], but valid indices are from 0 to 3.
[2025-10-09T13:31:45.759Z] DLT java.lang.ArrayIndexOutOfBoundsException: Array access index out of bounds. readFloat is trying to access byteArray[1] to byteArray[4], but valid indices are from 0 to 3.
[2025-10-09T13:31:45.759Z] DLT at openj9.dataaccess/com.ibm.dataaccess.ByteArrayUnmarshaller.readFloat(ByteArrayUnmarshaller.java:599)
[2025-10-09T13:31:45.759Z] DLT at net.openj9.test.binaryData.TestByteArray2Float.testAIOBBigEndian1(TestByteArray2Float.java:114)
[2025-10-09T13:31:45.868Z] DLT testFailure: testNegativeFloatMaxExponentValidOffset(net.openj9.test.binaryData.TestByteArray2Float): Array access index out of bounds. readFloat is trying to access byteArray[1] to byteArray[4], but valid indices are from 0 to 3.
[2025-10-09T13:31:45.868Z] DLT java.lang.ArrayIndexOutOfBoundsException: Array access index out of bounds. readFloat is trying to access byteArray[1] to byteArray[4], but valid indices are from 0 to 3.
[2025-10-09T13:31:45.868Z] DLT at openj9.dataaccess/com.ibm.dataaccess.ByteArrayUnmarshaller.readFloat(ByteArrayUnmarshaller.java:599)
[2025-10-09T13:31:45.868Z] DLT at net.openj9.test.binaryData.TestByteArray2Float.testAIOBBigEndian1(TestByteArray2Float.java:114)
[2025-10-09T13:31:45.870Z] DLT JUnit Test Results for: net.openj9.test.binaryData.TestByteArray2Float
[2025-10-09T13:31:45.870Z] DLT Ran : 39
[2025-10-09T13:31:45.870Z] DLT Passed : 12
[2025-10-09T13:31:45.870Z] DLT Failed : 27
[2025-10-09T13:31:45.870Z] DLT Ignored: 0
[2025-10-09T13:31:45.870Z] DLT Result : FAILED
50x internal Grinder - passed, removing from current milestone plan since it can't be reproduced