[IGNITE-12827] OutOfMemory exception when calling grid service from .NET with user type array parameter

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.8
• Fix Version/s: 2.9
• Labels: sbcf
• Ignite Flags: Release Notes Required
• Assignee: Ivan Daschinsky
• Reporter: Alexey Kukushkin
• Created: 22/Mar/20 22:04
• Updated: 27/Jan/21 17:54
• Resolved: 08/May/20 15:03

Description

Calling a grid service from .NET with a parameter of user type array leads to Java OutOfMemory exception.

Reproducer:

• Limit JVM heap with 128 MB.
• Create a .NET or Java service with a parameter of type
  array of Parameter {
    Id: int,
    array of ParameterValue {     PeriodId: int,     Value: double?   }

  }

• Call service with an array of 200 Parameters

Expected:
128 MB of heap must be enough to call Java or .NET service with 200 Parameters.
 
Actual:
Java OutOfMemory exception on 21st Parameter
 

Issue Links

• causes: IGNITE-13639 .NET: Type cast exception on cache.Get with an array of empty Lists
• fixes: IGNITE-12543 When put List<List<SomeObject>>, the data was increased much larger.
• is related to: IGNITE-12543 When put List<List<SomeObject>>, the data was increased much larger.
• links to: GitHub Pull Request #7679