[IGNITE-3940] Hadoop: IgniteHadoopIgfsSecondaryFileSystem must use HadoopClassLoader.

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 1.7
• Fix Version/s: 1.8
• Component/s: hadoop
• Assignee: Vladimir Ozerov
• Reporter: Vladimir Ozerov
• Created: 20/Sep/16 13:04
• Updated: 26/Sep/16 07:37
• Resolved: 22/Sep/16 07:01

Description

In new arhitecture IgniteHadoopIgfsSecondaryFileSystem should load dependent classes using HadoopClassLoader. We need to guarantee it.

Proposed solution:
1) Separate HadoopClassLoader is initialized for the file system on start (ctor or start method);
2) All interfaces methods are wrapped into HadoopUtils.setContextClassLoader
3) start/stop methods are wrapped as well.

Issue Links

• is blocked by: IGNITE-3941 Hadoop: Introduce common HadoopClassLoader.