feat: support java 17 & 21 (#61)

Author: nadav3396

README.md

@@ -4,12 +4,11 @@
 ![Version](https://img.shields.io/badge/version-1.0.40-green.svg)
 [![codecov](https://codecov.io/gh/lumigo-io/java-tracer/branch/master/graph/badge.svg?token=D3IZ5hQwaQ)](https://codecov.io/gh/lumigo-io/java-tracer)
 
-Supported Runtimes: Java 8, Java 11
+Supported Runtimes: Java 8, Java 11, Java 17, Java 21
 
 ## Building With Lumigo
 
 ### Maven
-
 Include lumigo java tracer dependency, for [Maven](https://maven.apache.org) projects, use:
 
 ```xml
@@ -99,7 +98,7 @@ class MyFunction implements RequestHandler<String, String> {
     }
 ```
 
-### Java 11 Support
+### Support Java 11 and Above 
 
 Add the environment variable `JAVA_TOOL_OPTIONS` to your Lambda functions and set it to
 `-Djdk.attach.allowAttachSelf=true` in addition to the manual code mentioned above.

pom.xml

@@ -27,18 +27,6 @@
             <organization>Lumigo</organization>
             <organizationUrl>https://lumigo.io/</organizationUrl>
         </developer>
-        <developer>
-            <name>Uri Parush</name>
-            <email>uri@lumigo.io</email>
-            <organization>Lumigo</organization>
-            <organizationUrl>https://lumigo.io</organizationUrl>
-        </developer>
-        <developer>
-            <name>Saar Tochner</name>
-            <email>saart@lumigo.io</email>
-            <organization>Lumigo</organization>
-            <organizationUrl>https://lumigo.io</organizationUrl>
-        </developer>
     </developers>
 
     <organization>
@@ -161,12 +149,12 @@
         <dependency>
             <groupId>net.bytebuddy</groupId>
             <artifactId>byte-buddy</artifactId>
-            <version>1.9.10</version>
+            <version>1.14.14</version>
         </dependency>
         <dependency>
             <groupId>net.bytebuddy</groupId>
             <artifactId>byte-buddy-agent</artifactId>
-            <version>1.9.10</version>
+            <version>1.14.14</version>
         </dependency>
 
         <!-- Testing dependencies -->

src/main/java/io/lumigo/core/SpansContainer.java

@@ -62,7 +62,14 @@ private SpansContainer() {}
     public void init(Map<String, String> env, Reporter reporter, Context context, Object event) {
         this.clear();
         this.reporter = reporter;
-        awsTracerId = env.get(AMZN_TRACE_ID);
+        int javaVersion = AwsUtils.parseJavaVersion(System.getProperty("java.version"));
+        if (javaVersion > 11) {
+            awsTracerId = System.getProperty("com.amazonaws.xray.traceHeader");
+        } else {
+            awsTracerId = env.get(AMZN_TRACE_ID);
+        }
+        Logger.debug("awsTracerId {}", awsTracerId);
+
         AwsUtils.TriggeredBy triggeredBy = AwsUtils.extractTriggeredByFromEvent(event);
         long startTime = System.currentTimeMillis();
         this.baseSpan =

src/main/java/io/lumigo/core/utils/AwsUtils.java

@@ -243,6 +243,24 @@ public static synchronized Span.READINESS getFunctionReadiness() {
         }
     }
 
+    public static int parseJavaVersion(String version) {
+        try {
+            String[] parts = version.split("\\.");
+
+            if (parts[0].equals("1")) {
+                // For version before Java 9 the version looks like: 1.X.minor.
+                // example 1.8.0 or 1.5.0.
+                return Integer.parseInt(parts[1]);
+            }
+            // From java 9 the version looks like: 9.0.1 or 11.2.1 or 21.0.11,
+            // So we only parse the first part.
+            return Integer.parseInt(parts[0]);
+        } catch (Exception e) {
+            Logger.error("Failed to parse java version", e);
+            return -1;
+        }
+    }
+
     /**
      * This function seeks for the value of className in all the super classes of the given object.
      *

src/main/java/io/lumigo/handlers/LumigoRequestHandler.java

@@ -44,6 +44,7 @@ public OUTPUT handleRequest(INPUT input, Context context) {
         }
         try {
             Logger.debug("Start {} Lumigo tracer", LumigoRequestHandler.class.getName());
+            Logger.debug("Envs {}", envUtil.getEnv());
             try {
                 spansContainer.init(envUtil.getEnv(), reporter, context, input);
                 Future<?> submit = executorService.submit(() -> Installer.install());

src/test/java/io/lumigo/core/utils/AwsUtilsTest.java

@@ -7,6 +7,8 @@
 import org.json.JSONException;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.CsvSource;
 import org.skyscreamer.jsonassert.JSONAssert;
 
 class AwsUtilsTest {
@@ -246,4 +248,20 @@ void test_extractTriggeredByFromEvent_scheduledEvent() throws JSONException {
                                 awsLambdaEventGenerator.scheduledEvent())),
                 true);
     }
+
+    @ParameterizedTest
+    @CsvSource({
+        "1.5.0, 5",
+        "1.8.151_a, 8",
+        "10.0.1, 10",
+        "17.0.10, 17",
+        "21.0.3, 21",
+        "22.0.1, 22",
+        "notRealVersion, -1"
+    })
+    void test_parseJavaVersion_oldVersion(String rawVersion, int expectedVersion) throws Exception {
+        int version = AwsUtils.parseJavaVersion(rawVersion);
+
+        assertEquals(expectedVersion, version);
+    }
 }