CRIU adds @NotCheckpointSafe at ClassLoader.getClassLoadingLock()

[JasonFengJ9]

CRIU adds @NotCheckpointSafe at ClassLoader.getClassLoadingLock()

This is expected to address

[err] openj9.internal.criu.JVMRestoreException: Blocking operation is not allowed in CRIU single thread mode.
[err]   at java.base/java.lang.ClassLoader.getClassLoadingLock(ClassLoader.java:1270)
[err]   at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:837)
[err]   at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:825)
[err]   at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
[err]   at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:1093)
[err]   at com.ibm.ws.kernel.internal.classloader.JarFileClassLoader._loadClass(JarFileClassLoader.java:172)
[err]   at com.ibm.ws.kernel.internal.classloader.BootstrapChildFirstJarClassloader.loadClass(BootstrapChildFirstJarClassloader.java:83)
[err]   at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:1093)
[err]   at org.eclipse.osgi.internal.loader.BundleLoader.findClass0(BundleLoader.java:446)
[err]   at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:416)
[err]   at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:168)
[err]   at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:1093)
[err]   at io.openliberty.checkpoint.internal.criu.CheckpointFailedException$Type.$values(CheckpointFailedException.java:24)
[err]   at io.openliberty.checkpoint.internal.criu.CheckpointFailedException$Type.<clinit>(CheckpointFailedException.java:24)
[err]   at io.openliberty.checkpoint.internal.CheckpointImpl.failedRestore(CheckpointImpl.java:618)
[err]   at io.openliberty.checkpoint.internal.CheckpointImpl.callHooks(CheckpointImpl.java:581)
[err]   at io.openliberty.checkpoint.internal.CheckpointImpl.restore(CheckpointImpl.java:611)
[err]   at io.openliberty.checkpoint.internal.CheckpointImpl.lambda$checkpoint$15(CheckpointImpl.java:397)
[err]   at java.base/openj9.internal.criu.InternalCRIUSupport.lambda$registerCheckpointHookHelper$2(InternalCRIUSupport.java:796)
[err]   at java.base/openj9.internal.criu.J9InternalCheckpointHookAPI$J9InternalCheckpointHook.runHook(J9InternalCheckpointHookAPI.java:143)
[err]   at java.base/openj9.internal.criu.J9InternalCheckpointHookAPI.runHooks(J9InternalCheckpointHookAPI.java:98)
[err]   at java.base/openj9.internal.criu.J9InternalCheckpointHookAPI.runPostRestoreHooksSingleThread(J9InternalCheckpointHookAPI.java:115)
[err]   at java.base/openj9.internal.criu.InternalCRIUSupport.checkpointJVMImpl(Native Method)
[err]   at java.base/openj9.internal.criu.InternalCRIUSupport.checkpointJVM(InternalCRIUSupport.java:997)
[err]   at openj9.criu/org.eclipse.openj9.criu.CRIUSupport.checkpointJVM(CRIUSupport.java:530)
[err]   at io.openliberty.checkpoint.internal.openj9.ExecuteCRIU_OpenJ9.dump(ExecuteCRIU_OpenJ9.java:55)
[err]   at io.openliberty.checkpoint.internal.CheckpointImpl.checkpoint(CheckpointImpl.java:396)

Signed-off-by: Jason Feng [email protected]

[tajila]

jenkins test sanity zlinux jdk21

[tajila]

jenkins test sanity alinux64 jdk17