Vladimir Ozerov created IGNITE-2105:
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Summary: DirectMessageWriter cannot write nested collections.
Key: IGNITE-2105
URL: https://issues.apache.org/jira/browse/IGNITE-2105
Project: Ignite
Issue Type: Bug
Components: 1.4
Affects Versions: ignite-1.4
Reporter: Vladimir Ozerov
Priority: Critical
Fix For: 1.5
Steps to reproduce:
1) Run GridMessageCollectionTest in ignite-1.5 branch
2) Observe class-cast exception.
The problem is caused by DirectByteBufferStreamImplV2 which is re-used across
all nested objects.
This class is stateful. When nested collection is written, instead of writing
collection element it writes element of another collection which is upper in
call stack.
Looks pretty critical for me.
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