BootClassPathTest.sh test fails due to java.lang.ClassNotFoundException: AgentSupport on test-macstadium-macos1013-x64-1 and other macstadium hosts

https://trss.adoptium.net/output/test?id=616f9188c6182d02178a6890

[2021-10-20T01:29:52.603Z] --------------------------------------------------
[2021-10-20T01:29:52.603Z] TEST: java/lang/instrument/BootClassPath/BootClassPathTest.sh
[2021-10-20T01:29:52.603Z] TEST JDK: /Users/jenkins/workspace/Test_openjdk8_hs_extended.openjdk_x86-64_mac_testList_0/openjdkbinary/j2sdk-image/Contents/Home/bin/..
[2021-10-20T01:29:52.603Z]
[2021-10-20T01:29:52.603Z] ACTION: shell -- Failed. Execution failed: exit code 134
[2021-10-20T01:29:52.603Z] REASON: User specified action: run shell/timeout=240 BootClassPathTest.sh
[2021-10-20T01:29:52.603Z] TIME: 5.127 seconds
[2021-10-20T01:29:52.603Z] messages:
[2021-10-20T01:29:52.603Z] command: shell BootClassPathTest.sh
[2021-10-20T01:29:52.603Z] reason: User specified action: run shell/timeout=240 BootClassPathTest.sh
[2021-10-20T01:29:52.603Z] elapsed time (seconds): 5.127
[2021-10-20T01:29:52.603Z] STDOUT:
[2021-10-20T01:29:52.603Z] COMPILEJAVA=/Users/jenkins/workspace/Test_openjdk8_hs_extended.openjdk_x86-64_mac_testList_0/openjdkbinary/j2sdk-image/Contents/Home/bin/..
[2021-10-20T01:29:52.603Z] Creating manifest file...
[2021-10-20T01:29:52.603Z] Created /Users/jenkins/workspace/Test_openjdk8_hs_extended.openjdk_x86-64_mac_testList_0/aqa-tests/TKG/output_16346914568779/jdk_instrument_1/work/classes/1/java/lang/instrument/BootClassPath/bootالعربية中文中文русскийहिंदीελληνικάעברית日本語한국어LietuviųčeštinaTürkçeespañolไทย
[2021-10-20T01:29:52.603Z] Building test classes...
[2021-10-20T01:29:52.603Z] Creating agent jar file...
[2021-10-20T01:29:52.603Z] added manifest
[2021-10-20T01:29:52.603Z] adding: Agent.class(in = 1344) (out= 708)(deflated 47%)
[2021-10-20T01:29:52.603Z] Running test...
[2021-10-20T01:29:52.603Z] bootclasspath: /Users/jenkins/workspace/Test_openjdk8_hs_extended.openjdk_x86-64_mac_testList_0/openjdkbinary/j2sdk-image/Contents/Home/jre/lib/resources.jar:/Users/jenkins/workspace/Test_openjdk8_hs_extended.openjdk_x86-64_mac_testList_0/openjdkbinary/j2sdk-image/Contents/Home/jre/lib/rt.jar:/Users/jenkins/workspace/Test_openjdk8_hs_extended.openjdk_x86-64_mac_testList_0/openjdkbinary/j2sdk-image/Contents/Home/jre/lib/sunrsasign.jar:/Users/jenkins/workspace/Test_openjdk8_hs_extended.openjdk_x86-64_mac_testList_0/openjdkbinary/j2sdk-image/Contents/Home/jre/lib/jsse.jar:/Users/jenkins/workspace/Test_openjdk8_hs_extended.openjdk_x86-64_mac_testList_0/openjdkbinary/j2sdk-image/Contents/Home/jre/lib/jce.jar:/Users/jenkins/workspace/Test_openjdk8_hs_extended.openjdk_x86-64_mac_testList_0/openjdkbinary/j2sdk-image/Contents/Home/jre/lib/charsets.jar:/Users/jenkins/workspace/Test_openjdk8_hs_extended.openjdk_x86-64_mac_testList_0/openjdkbinary/j2sdk-image/Contents/Home/jre/lib/jfr.jar:/Users/jenkins/workspace/Test_openjdk8_hs_extended.openjdk_x86-64_mac_testList_0/openjdkbinary/j2sdk-image/Contents/Home/jre/classes
[2021-10-20T01:29:52.603Z] FATAL ERROR in native method: processing of -javaagent failed
[2021-10-20T01:29:52.603Z] Cleanup...
[2021-10-20T01:29:52.603Z] STDERR:
[2021-10-20T01:29:52.603Z] Exception in thread "main" java.lang.reflect.InvocationTargetException
[2021-10-20T01:29:52.603Z] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[2021-10-20T01:29:52.603Z] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[2021-10-20T01:29:52.603Z] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[2021-10-20T01:29:52.603Z] at java.lang.reflect.Method.invoke(Method.java:498)
[2021-10-20T01:29:52.603Z] at sun.instrument.InstrumentationImpl.loadClassAndStartAgent(InstrumentationImpl.java:386)
[2021-10-20T01:29:52.603Z] at sun.instrument.InstrumentationImpl.loadClassAndCallPremain(InstrumentationImpl.java:401)
[2021-10-20T01:29:52.603Z] Caused by: java.lang.ClassNotFoundException: AgentSupport
[2021-10-20T01:29:52.603Z] at java.net.URLClassLoader.findClass(URLClassLoader.java:387)
[2021-10-20T01:29:52.603Z] at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
[2021-10-20T01:29:52.603Z] at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
[2021-10-20T01:29:52.603Z] at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
[2021-10-20T01:29:52.603Z] at java.lang.Class.forName0(Native Method)
[2021-10-20T01:29:52.603Z] at java.lang.Class.forName(Class.java:264)
[2021-10-20T01:29:52.603Z] at Agent.premain(Agent.java:39)
[2021-10-20T01:29:52.603Z] ... 6 more
[2021-10-20T01:29:52.603Z] /Users/jenkins/workspace/Test_openjdk8_hs_extended.openjdk_x86-64_mac_testList_0/aqa-tests/openjdk/openjdk-jdk/jdk/test/java/lang/instrument/BootClassPath/BootClassPathTest.sh: line 85: 34983 Abort trap: 6 "${JAVA}" ${TESTVMOPTS} -javaagent:"${TESTCLASSES}"/Agent.jar -classpath "${TESTCLASSES}" DummyMain
[2021-10-20T01:29:52.603Z] Unrecognized option: -J-ea
[2021-10-20T01:29:52.603Z] Error: Could not create the Java Virtual Machine.
[2021-10-20T01:29:52.603Z] Error: A fatal exception has occurred. Program will exit.

Start with jdk/test/java/lang/instrument/BootClassPath/BootClassPathTest.sh, especially the command at line 85, and inspect Agent.java around Agent.premain line 39. Reproduce the failure on the affected macOS test host using the linked test output. Done means BootClassPathTest.sh completes without the AgentSupport ClassNotFoundException or the subsequent JVM startup error.

Written by the indexing model from the issue text.