runtime/logging/loadLibraryTest/LoadLibraryTest.java failed "RuntimeException: 'Unloaded library with handle' missing from stdout/stderr"

The following test failed in the JDK16 CI:

runtime/logging/loadLibraryTest/LoadLibraryTest.java

Here's a snippet from the log file:

----------System.err:(52/4717)*----------
 stdout: [[0.338s][info][library] Failed to find _JNI_OnLoad_net@8 in library with handle 0x00007ff7b86c0000
[0.338s][info][library] Failed to find JNI_OnLoad_net in library with handle 0x00007ff7b86c0000
[0.341s][info][library] Loaded library C:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-16+2-14\\windows-x64-debug.jdk\\jdk-16\\fastdebug\\bin\\net.dll, handle 0x00007fff57240000
[0.342s][info][library] Failed to find _JNI_OnLoad@8 in library with handle 0x00007fff57240000
[0.342s][info][library] Found JNI_OnLoad in library with handle 0x00007fff57240000
[0.343s][info][library] Failed to find _JNI_OnLoad_nio@8 in library with handle 0x00007ff7b86c0000
[0.343s][info][library] Failed to find JNI_OnLoad_nio in library with handle 0x00007ff7b86c0000
[0.344s][info][library] Loaded library C:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-16+2-14\\windows-x64-debug.jdk\\jdk-16\\fastdebug\\bin\\nio.dll, handle 0x00007fff56a10000
[0.344s][info][library] Failed to find _JNI_OnLoad@8 in library with handle 0x00007fff56a10000
[0.344s][info][library] Found JNI_OnLoad in library with handle 0x00007fff56a10000
[0.346s][info][library] Failed to find Java_sun_nio_ch_IOUtil_initIDs in library with handle 0x00007fff57240000
[0.346s][info][library] Found Java_sun_nio_ch_IOUtil_initIDs in library with handle 0x00007fff56a10000
[0.346s][info][library] Failed to find Java_sun_nio_ch_IOUtil_iovMax in library with handle 0x00007fff57240000
[0.346s][info][library] Found Java_sun_nio_ch_IOUtil_iovMax in library with handle 0x00007fff56a10000
[0.346s][info][library] Failed to find Java_sun_nio_ch_FileChannelImpl_initIDs in library with handle 0x00007fff57240000
[0.346s][info][library] Found Java_sun_nio_ch_FileChannelImpl_initIDs in library with handle 0x00007fff56a10000
[0.352s][info][library] Failed to find Java_sun_nio_ch_FileDispatcherImpl_size0 in library with handle 0x00007fff57240000
[0.352s][info][library] Found Java_sun_nio_ch_FileDispatcherImpl_size0 in library with handle 0x00007fff56a10000
[0.378s][info][library] Failed to find Java_sun_nio_ch_FileChannelImpl_map0 in library with handle 0x00007fff57240000
[0.378s][info][library] Found Java_sun_nio_ch_FileChannelImpl_map0 in library with handle 0x00007fff56a10000
[0.378s][info][library] Failed to find Java_sun_nio_ch_FileDispatcherImpl_duplicateHandle in library with handle 0x00007fff57240000
[0.378s][info][library] Found Java_sun_nio_ch_FileDispatcherImpl_duplicateHandle in library with handle 0x00007fff56a10000
[0.388s][info][library] Failed to find _JNI_OnLoad_LoadLibraryClass@8 in library with handle 0x00007ff7b86c0000
[0.388s][info][library] Failed to find JNI_OnLoad_LoadLibraryClass in library with handle 0x00007ff7b86c0000
[0.388s][info][library] Failed to find _JNI_OnLoad_LoadLibraryClass@8 in library with handle 0x00007ff7b86c0000
[0.388s][info][library] Failed to find JNI_OnLoad_LoadLibraryClass in library with handle 0x00007ff7b86c0000
[0.390s][info][library] Loaded library C:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-16+2-14\\windows-x64-debug.test\\hotspot\\jtreg\\native\\LoadLibraryClass.dll, handle 0x00007fff5c2c0000
[0.390s][info][library] Failed to find _JNI_OnLoad@8 in library with handle 0x00007fff5c2c0000
[0.390s][info][library] Failed to find JNI_OnLoad in library with handle 0x00007fff5c2c0000
[0.391s][info][library] Failed to find Java_LoadLibraryTest_00024LoadLibraryClass_nTest in library with handle 0x00007fff5c2c0000
[0.391s][info][library] Found Java_LoadLibraryTest_00024LoadLibraryClass_nTest__ in library with handle 0x00007fff5c2c0000
[0.425s][info][library] Failed to find Java_sun_nio_ch_FileChannelImpl_unmap0 in library with handle 0x00007fff57240000
[0.425s][info][library] Found Java_sun_nio_ch_FileChannelImpl_unmap0 in library with handle 0x00007fff56a10000
Class LoadLibraryClass was unloaded
];
 stderr: []
 exitValue = 0

java.lang.RuntimeException: 'Unloaded library with handle' missing from stdout/stderr

at jdk.test.lib.process.OutputAnalyzer.shouldContain(OutputAnalyzer.java:189)
at LoadLibraryTest.main(LoadLibraryTest.java:132)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:298)
at java.base/java.lang.Thread.run(Thread.java:832)

JavaTest Message: Test threw exception: java.lang.RuntimeException
JavaTest Message: shutting down test

result: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: 'Unloaded library with handle' missing from stdout/stderr


test result: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: 'Unloaded library with handle' missing from stdout/stderr