Pavel Pereslegin created IGNITE-21934:
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Summary: Sql. Jdbc. Design transparent client-server "reconnect"
Key: IGNITE-21934
URL: https://issues.apache.org/jira/browse/IGNITE-21934
Project: Ignite
Issue Type: Improvement
Components: sql
Reporter: Pavel Pereslegin
We need to develop a possible solution to properly handle a server node restart.
For example:
{code:java}
// Init connection to node 'A'.
Connection connection = DriverManager.getConnection(URL);
// Restart node 'A'
restartNode();
// Execute some query
Statement stmt = connection.createStatement();
stmt.executeQuery("SELECT 1"); // fails with 'Failed to find resource with
id: 1'
{code}
Currently query execution fails with the root exception "Failed to find
resource with id: 1".
It seems that we can handle server restart situations transparently to the user
without throwing any errors if the server does not hold open resources
(cursors, transactions).
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