[IGNITE-11458] ClassCastException when reading objects in Collection and Map from ClientCache

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: thin client
• Labels: newbie patch pull-request-available

Environment

ignite-core.2.8.0

• Assignee: Unassigned
• Reporter: Jinil Lee
• Created: 01/Mar/19 07:08
• Updated: 19/Sep/19 14:29

Description

There is a ClassCastException when reading objects in Collection or Map stored in ClientCache while using thin client.

When deserializing a BinaryObject, I think that the Object in the Collection is not being processed.

I made a patch and I think it works well with the my patch,
so please let me know if this is not a problem or if you have any other solutions.

Below is the test code.

//Case 0. Object
ClientCache<String, Address> cache1 = igniteClient.getOrCreateCache("Object");
cache1.put("key", val);

//OK!!!
System.out.println(cache1.get("key").getStreet());

//-----------------------
//Case 1. Collection
//-----------------------
ClientCache<String, List<Address>> cache2 = igniteClient.getOrCreateCache("Collection");

List<Address> list = new ArrayList<>();
list.add(val);
cache2.put("key", list);

//ClassCastException!!!
System.out.println(cache2.get("key").get(0).getStreet()); 

//-----------------------
//Case 2. Map
//-----------------------
ClientCache<String, Map<String, Address>> cache3 = igniteClient.getOrCreateCache("Map");

Map<String, Address> map = new HashMap<>();
map.put("key", val);
cache3.getAndPut("key", map);

//ClassCastException!!!
System.out.println(cache3.get("key").get("key").getStreet());

//-----------------------
//Case 3. Colection + Map
//-----------------------
ClientCache<String, List<Map<String, Address>>> cache4 = igniteClient.getOrCreateCache("Collection_Map");
List<Map<String, Address>> mapList = new ArrayList<>();
mapList.add(map);
cache4.put("key", mapList);

//ClassCastException!!!
System.out.println(cache4.get("key").get(0).get("key").getStreet());

 

 

Issue Links

• links to: GitHub Pull Request #6210