Update to Java 21

Author: docwho2

README.md

@@ -42,13 +42,13 @@ The Serverless Application Model Command Line Interface (SAM CLI) is an extensio
 To use the SAM CLI, you need the following tools.
 
 * SAM CLI - [Install the SAM CLI](https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/serverless-sam-cli-install.html)
-* Java11 - [Install the Java 11](https://docs.aws.amazon.com/corretto/latest/corretto-11-ug/downloads-list.html)
+* Java21 - [Install the Java 21](https://docs.aws.amazon.com/corretto/latest/corretto-21-ug/downloads-list.html)
 * Maven - [Install Maven](https://maven.apache.org/install.html)
 
 If you have brew installed then
 ```bash
 brew install aws-sam-cli
-brew install corretto11
+brew install corretto21
 brew install maven
 ```
 

pom.xml

@@ -7,8 +7,8 @@
     <packaging>jar</packaging>
     <name>Postgres Lambda Trigger Demo</name>
     <properties>
-        <maven.compiler.source>17</maven.compiler.source>
-        <maven.compiler.target>17</maven.compiler.target>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
     </properties>
 
     <dependencyManagement>

src/main/java/demo/AbstractActionFrontEnd.java

@@ -9,7 +9,6 @@
 import com.amazonaws.services.lambda.runtime.events.APIGatewayProxyResponseEvent;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
-import org.jooq.DSLContext;
 import org.jooq.Record;
 import org.jooq.Table;
 import org.jooq.impl.DSL;

src/main/java/demo/FrontEnd.java

@@ -9,7 +9,6 @@
 import com.amazonaws.services.lambda.runtime.events.APIGatewayProxyResponseEvent;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
-import org.jooq.DSLContext;
 import org.jooq.impl.DSL;
 
 /**

src/main/java/demo/PostgresAbstractTrigger.java

@@ -15,7 +15,6 @@
 import java.io.Writer;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
-import org.jooq.DSLContext;
 
 /**
  *  Base class for handling triggers from Postgres

src/main/java/demo/PostgresAuditLogTrigger.java

@@ -5,7 +5,6 @@
 package demo;
 
 import com.fasterxml.jackson.databind.JsonNode;
-import org.jooq.DataType;
 import org.jooq.JSONB;
 import org.jooq.impl.DSL;
 

template.yaml

@@ -17,14 +17,13 @@ Globals:
   Function:
     Environment: 
       Variables:
-        JAVA_TOOL_OPTIONS: -XX:+TieredCompilation -XX:TieredStopAtLevel=1
         DB_MASTER_SECRET_ARN: !GetAtt RDSStack.Outputs.SecretArn
         DB_ENDPOINT: !GetAtt RDSStack.Outputs.Endpoint
         DB_NAME: !Ref DBNAMEPARAM
     CodeUri: .
     Architectures:
         - x86_64
-    Runtime: java17
+    Runtime: java21
     Timeout: 30
     MemorySize: 3009
 
@@ -262,7 +261,6 @@ Resources:
         Variables:
           SQS_QUEUE_URL: !Ref SQSQueue
           # Don't need to set anything for this lambda other than above
-          JAVA_TOOL_OPTIONS: !Ref AWS::NoValue
           DB_MASTER_SECRET_ARN: !Ref AWS::NoValue
           DB_ENDPOINT: !Ref AWS::NoValue
           DB_NAME: !Ref AWS::NoValue