[IGNITE-7352] Java 9: rework "sun.misc.SharedSecrets" and "sun.misc.JavaNioAccess" usages

• Type: Task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.4
• Component/s: general
• Assignee: Andrey N. Gura
• Reporter: Vladimir Ozerov
• Created: 05/Jan/18 07:56
• Updated: 11/Jan/18 11:30
• Resolved: 11/Jan/18 11:30

Description

Problem
We have two usages of sun.misc.SharedSecrets and sun.misc.JavaNioAccess in the project. Both methods do the same thing - convert native pointer to ByteBuffer:
GridUnsafe.wrapPointer
PageMemoryImpl.wrapPointer

Java9 cannot compile it because these classes were moved to jdk.internal.misc package.

Suggested fix
1) Remove PageMemoryImpl.wrapPointer method and use GridUnsafe.wrapPointer instead.
2) Rework GridUnsafe.wrapPointer to reflection-based approach.

Issue Links

• Is contained by: IGNITE-6728 Support Java 9