Java 10: Error with Memory Agent

[ghost]

PDDL4J works great with Java 10 except when MemoryAgent is used.

Stacktrace:

WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by fr.uga.pddl4j.util.MemoryAgent (file:/home/emmanuel/PDDL4J/Workspace/PDDL4J/build/libs/pddl4j-3.7.0.jar) to field java.util.ArrayList.serialVersionUID
WARNING: Please consider reporting this to the maintainers of fr.uga.pddl4j.util.MemoryAgent
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Exception in thread "main" java.lang.reflect.InaccessibleObjectException: Unable to make field private final java.lang.String java.lang.module.ModuleDescriptor.name accessible: module java.base does not "opens java.lang.module" to unnamed module @479cbee5
	at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:337)
	at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:281)
	at java.base/java.lang.reflect.Field.checkCanSetAccessible(Field.java:176)
	at java.base/java.lang.reflect.Field.setAccessible(Field.java:170)
	at fr.uga.pddl4j.util.MemoryAgent.deepSizeOf(MemoryAgent.java:249)
	at fr.uga.pddl4j.util.MemoryAgent.deepSizeOf(MemoryAgent.java:257)
	at fr.uga.pddl4j.util.MemoryAgent.deepSizeOf(MemoryAgent.java:257)
	at fr.uga.pddl4j.util.MemoryAgent.deepSizeOf(MemoryAgent.java:257)
	at fr.uga.pddl4j.util.MemoryAgent.deepSizeOf(MemoryAgent.java:244)
	at fr.uga.pddl4j.util.MemoryAgent.deepSizeOf(MemoryAgent.java:257)
	at fr.uga.pddl4j.util.MemoryAgent.deepSizeOf(MemoryAgent.java:244)
	at fr.uga.pddl4j.util.MemoryAgent.deepSizeOf(MemoryAgent.java:257)
	at fr.uga.pddl4j.util.MemoryAgent.deepSizeOf(MemoryAgent.java:257)
	at fr.uga.pddl4j.util.MemoryAgent.deepSizeOf(MemoryAgent.java:221)
	at fr.uga.pddl4j.util.MemoryAgent.getDeepSizeOf(MemoryAgent.java:182)
	at fr.uga.pddl4j.planners.statespace.StateSpacePlannerFactory.main(StateSpacePlannerFactory.java:424)

Work in progress to resolve this issue.

[ghost]

Quick fix in c3a59b6

Static field could no longer be inspected to avoid reflective error in Java 10. DEFAULT_SKIP_STATIC_FIELD set to true in MemoryAgent.

Need to find another way to do this in next PDDL4J release.