JDK22 jdk_nio_0_FAILED sun/nio/cs/TestStringCoding.java RuntimeException: getBytes(csn) failed -> x-IBM29626C

[JasonFengJ9]

Failure link

From an internal build(sles12x86-rtp-rt6-1):

22:15:22  openjdk version "22-internal" 2024-03-19
22:15:22  OpenJDK Runtime Environment (build 22-internal-adhoc.jenkins.BuildJDK22x86-64linuxPersonal)
22:15:22  Eclipse OpenJ9 VM (build master-f524f995be4, JRE 22 Linux amd64-64-Bit Compressed References 20240215_57 (JIT enabled, AOT enabled)
22:15:22  OpenJ9   - f524f995be4
22:15:22  OMR      - 0966eb360f6
22:15:22  JCL      - ff0372607f0 based on jdk-22+35)

Rerun in Grinder - Change TARGET to run only the failed test targets.

Optional info

Failure output (captured from console output)

22:46:03  ===============================================
22:46:03  Running test jdk_nio_0 ...
22:46:03  ===============================================
22:46:03  jdk_nio_0 Start Time: Thu Feb 15 19:46:03 2024 Epoch Time (ms): 1708055163173
22:46:03  variation: Mode150
22:46:03  JVM_OPTIONS:  -XX:+UseCompressedOops -Xverbosegclog 

22:54:38  TEST: sun/nio/cs/TestStringCoding.java

22:54:38  STDERR:
22:54:38  java.lang.RuntimeException: getBytes(csn) failed  -> x-IBM29626C
22:54:38  	at TestStringCoding.testGetBytes(TestStringCoding.java:164)
22:54:38  	at TestStringCoding.main(TestStringCoding.java:64)
22:54:38  	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
22:54:38  	at java.base/java.lang.reflect.Method.invoke(Method.java:586)
22:54:38  	at com.sun.javatest.regtest.agent.MainWrapper$MainTask.run(MainWrapper.java:138)
22:54:38  	at java.base/java.lang.Thread.run(Thread.java:1582)
22:54:38  
22:54:38  JavaTest Message: Test threw exception: java.lang.RuntimeException: getBytes(csn) failed  -> x-IBM29626C

22:54:52  jdk_nio_0_FAILED

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Also seen on JDK22 x86-64_mac