Switch to use GridGain CE

README.md

@@ -5,10 +5,12 @@ Check [the complete schedule](https://www.gridgain.com/products/services/trainin
 
 ## Setting Up Environment
 
-* Java Developer Kit, version 11, 17 or 21
-* Apache Maven 3.0 or later
-* Docker
-* Your favorite IDE, such as IntelliJ IDEA, or Eclipse, or a simple text editor.
+* GridGain license file. Instructions will be emailed when you register, but, in short, grab your key [here](https://www.gridgain.com/tryfree)
+* Docker and Docker Compose installed on your system
+* Basic familiarity with command-line operations
+* Java 11, 17 or 21 (for connecting to the cluster)
+* Maven
+* (An IDE such as IntelliJ will make things a lot easier but is not strictly necessary)
 
 ## Clone The Project
 
@@ -42,15 +44,15 @@ Start a two-node Ignite cluster:
 4. Start your nodes using Docker Compose:
 
     ```bash
-   docker compose -f docker-compose.yml up
+   docker compose up -d
    ```
 
-5. Switch back to your browser and select `Attach Apache Ignite`
+5. Switch back to your browser and select `Attach GridGain`
 6. In the "Connector" dropdown, select `Ignite Essentials`
 7. The `URL of the REST API` is `http://node1:10300`
 8. Click `Continue`
 9. Click `Attach`
-10. Initialise the cluster by clicking the `Initialise` button at the top-right of the screen
+10. Initialize the cluster by clicking the `Initialize` button at the top-right of the screen. Drop in your license file as suggested
 
 ## Creating Media Store Schema and Loading Data
 
@@ -62,7 +64,7 @@ Now you need to create a Media Store schema and load the cluster with sample dat
 	a. Start the Command Line Interface (CLI)
 
     ```bash
-   docker run -v ./config/media_store.sql:/opt/ignite/downloads/media_store.sql --rm --network ignite3_default -it apacheignite/ignite:3.1.0 cli
+   docker run -v ./config/media_store.sql:/opt/gridgain/downloads/media_store.sql --rm --network ignite3_default -it gridgain/gridgain9:9.1.8 cli
    ```
 
    b. Connect to the cluster.
@@ -74,7 +76,7 @@ Now you need to create a Media Store schema and load the cluster with sample dat
    c. Execute SQL command to load the sample data.
 
    ```bash
-   sql --file=/opt/ignite/downloads/media_store.sql
+   sql --file=/opt/gridgain/downloads/media_store.sql
     ```
 
 Keep the connection open as you'll use it for following exercises.
@@ -181,7 +183,7 @@ merges partial results.
 	a. Start the CLI.
 
     ```bash
-   docker run -v ./target/ignite-essentials-developer-training-1.0-SNAPSHOT.jar:/opt/ignite/downloads/ignite-essentials-developer-training-1.0-SNAPSHOT.jar --rm --network ignite3_default -it apacheignite/ignite:3.1.0 cli
+   docker run -v ./target/ignite-essentials-developer-training-1.0-SNAPSHOT.jar:/opt/gridgain/downloads/ignite-essentials-developer-training-1.0-SNAPSHOT.jar --rm --network ignite3_default -it gridgain/gridgain9:9.1.8 cli
    ```
 
 	b. Connect to the cluster.
@@ -193,12 +195,24 @@ merges partial results.
    c. Deploy the code to the cluster.
 
    ```bash
-   cluster unit deploy --version 1.0.0 --path=/opt/ignite/downloads/ignite-essentials-developer-training-1.0-SNAPSHOT.jar essentialsCompute
+   cluster unit deploy --version 1.0.0 --path=/opt/gridgain/downloads/ignite-essentials-developer-training-1.0-SNAPSHOT.jar essentialsCompute
     ```
+
+    It's also possible to use Control Center to deploy your code if you prefer. Study the "Deployment" tab to find out more.
 3. Execute the `ComputeApp` program with the following command:
 
 ```shell
 mvn exec:java
 ```
 
 Or run directly from your preferred IDE.
+
+4. Edit `ComputeApp` and change the number of customers to return from 5 to 10. There's no need to redeploy the compute job because only the caller needs to change.
+
+## Tidying up
+
+When you've finished with the exercises, you can shut down the cluster and clean up with the following command:
+
+```shell
+docker compose down
+```

docker-compose.yml

@@ -17,13 +17,13 @@ name: ignite3
 
 x-ignite-def:
   &ignite-def
-  image: apacheignite/ignite:3.1.0
+  image: gridgain/gridgain9:9.1.8-openjdk21
   environment:
     - JVM_MAX_MEM=3g
     - JVM_MIN_MEM=3g
   configs:
     - source: node_config
-      target: /opt/ignite/etc/ignite-config.conf
+      target: /opt/gridgain/etc/gridgain-config.conf
 
 services:
   node1:
@@ -38,14 +38,14 @@ services:
     ports:
       - 10301:10300
       - 10801:10800
-#  node3:
-#    << : *ignite-def
-#    command: --node-name node3
-#    ports:
-#      - 10302:10300
-#      - 10802:10800
+  node3:
+    << : *ignite-def
+    command: --node-name node3
+    ports:
+      - 10302:10300
+      - 10802:10800
   cccc:
-    image: gridgain/cloud-connector:2025-10-17
+    image: gridgain/cloud-connector:2026-02-26
     volumes:
       - ./src/main/resources/controlcenter.conf:/opt/gridgain-cloud-connector/application.properties
 

pom.xml

@@ -11,12 +11,19 @@
     <properties>
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>
-        <ignite.project>org.apache.ignite</ignite.project>
-	    <ignite.version>3.1.0</ignite.version>
+        <ignite.project>org.gridgain</ignite.project>
+	    <ignite.version>9.1.8</ignite.version>
 	    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <exec.cleanupDaemonThreads>false</exec.cleanupDaemonThreads>
     </properties>
 
+    <repositories>
+        <repository>
+            <id>GridGain External Repository</id>
+            <url>https://www.gridgainsystems.com/nexus/content/repositories/external</url>
+        </repository>
+    </repositories>
+
     <dependencies>
         <dependency>
             <groupId>${ignite.project}</groupId>

src/main/java/training/ComputeApp.java

@@ -33,6 +33,7 @@
 import org.apache.ignite.marshalling.Marshaller;
 import org.apache.ignite.table.Tuple;
 import org.apache.ignite.Ignite;
+import org.apache.ignite.tx.Transaction;
 import training.model.CustomerPrice;
 import training.model.TopCustomer;
 
@@ -126,7 +127,7 @@ public CompletableFuture<CustomerPrice[]> executeAsync(JobExecutionContext jobEx
 
                 customerCount = parameters.intValue("count");
 
-                try (var results = jobExecutionContext.ignite().sql().execute(null, sql, parameters.intValue("partition"))) {
+                try (var results = jobExecutionContext.ignite().sql().execute((Transaction) null, sql, parameters.intValue("partition"))) {
                     while (results.hasNext()) {
                         var row = results.next();
                         customerPurchases.merge(row.intValue("customerId"), row.value("price"), BigDecimal::add);