IGNITE-28489 Fix tx map cleanup on tx timeout during initialization (#12998)

Author: maksaska

modules/core/src/main/java/org/apache/ignite/internal/processors/cache/distributed/near/GridNearTxLocal.java

@@ -4368,6 +4368,8 @@ public void initTimeoutHandler() throws TransactionTimeoutException {
             if (remainingTime() == -1L) {
                 onTimeout();
 
+                cctx.tm().clearThreadMap(this);
+
                 throw new TransactionTimeoutException(
                     "Failed to start transaction. Transaction is timed out during initialization.");
             }

modules/core/src/test/java/org/apache/ignite/internal/client/thin/FunctionalTest.java

@@ -54,6 +54,7 @@
 import org.apache.ignite.client.ClientConnectionException;
 import org.apache.ignite.client.ClientException;
 import org.apache.ignite.client.ClientTransaction;
+import org.apache.ignite.client.ClientTransactions;
 import org.apache.ignite.client.Config;
 import org.apache.ignite.client.IgniteClient;
 import org.apache.ignite.client.LocalIgniteCluster;
@@ -743,6 +744,31 @@ public void testTxResumeAfterTxTimeout() throws Exception {
         }
     }
 
+    /** */
+    @Test
+    public void testTxResumeAfterTxTimeoutOnInitialize() {
+        IgniteConfiguration cfg = Config.getServerConfiguration().setClientConnectorConfiguration(
+            new ClientConnectorConfiguration().setThreadPoolSize(2));
+
+        try (Ignite ignite = Ignition.start(cfg); IgniteClient client = Ignition.startClient(getClientConfiguration())) {
+            ClientTransactions txs = client.transactions();
+
+            for (int i = 0; i < 10_000; i++) {
+                try {
+                    try (ClientTransaction tx = txs.txStart(OPTIMISTIC, SERIALIZABLE, 1)) {
+                        tx.commit();
+                    }
+                }
+                catch (ClientException e) {
+                    assertTrue(
+                        "Wrong exception: " + e.getMessage(),
+                        e.getCause().getMessage().contains("timed out")
+                    );
+                }
+            }
+        }
+    }
+
     /**
      * Test transactions.
      */