Igor created IGNITE-26414:
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Summary: [Flaky] Cannot upgrade from 3.0.0 to 3.1.0
Key: IGNITE-26414
URL: https://issues.apache.org/jira/browse/IGNITE-26414
Project: Ignite
Issue Type: Bug
Components: storage engines ai3
Affects Versions: 3.1
Environment: 3 node cluster either on single host or each on separate
host.
Reporter: Igor
Attachments: server_logs.zip
*Steps to reproduce:*
# Start cluster of 3 nodes on single host or each node on separate host on
version 3.0.0.
# Create tables and insert data:
{code:java}
create zone "DEFAULT_ZONE" with storage_profiles='default_aipersist'
create TABLE test_table(id INTEGER not null, field_1 TINYINT not null, field_2
SMALLINT not null, field_3 INTEGER not null, field_4 FLOAT not null, field_5
VARCHAR(50) not null, primary key (id)) ZONE "DEFAULT_ZONE"
insert into test_table(id, field_1, field_2, field_3, field_4, field_5) values
(3356::INTEGER, 45::TINYINT, 22062::SMALLINT, -861252049::INTEGER, 0.0::FLOAT,
'1field_5_1_1_1_1_1_1_1_1_1_1_1_1_1_1_1_1_1_1_1_1_1'::VARCHAR)
{code}
# Validate data in tables
{code:java}
select id, field_1, field_2, field_3, field_4, field_5 from test_table {code}
# Await all partitions of all tables in zones [DEFAULT_ZONE] local state is
"HEALTHY" and global state is "AVAILABLE"
# Install new distribution into cluster with full restart
# Assert physical and logical topologies are correct
# Await all partitions of all tables in zones [DEFAULT_ZONE] local state is
"HEALTHY" and global state is "AVAILABLE".
*Expected:*
Partitions changed state to "HEALTHY"
*Actual:*
During 120 seconds partitions were in states `[INITIALIZING, HEALTHY]`.
In logs on one node there are repeating messages:
{code:java}
2025-09-10 04:02:04:678 +0000
[INFO][%PdsCompatibility3NodesTest_cluster_0%JRaft-ElectionTimer-1][NodeImpl]
Unsuccessful election round number 35, group '17_part_4' {code}
Server logs are in attachment.
The issue is flaky, but reproducible rate about 90%.
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