Develop

.gitignore

@@ -41,6 +41,10 @@ scouter.server.boot/database/*
 
 scouter.document/.project
 
+build_client_local.sh
+build_package_local.sh
+
+
 ### Vim template
 [._]*.s[a-w][a-z]
 [._]s[a-w][a-z]

README.md

@@ -63,6 +63,8 @@ SCOUTER can help you.
 
 - **Web API (Since @1.8.0)** : scouter web apis to get counters, XLogs, profiles and another performance metrics via HTTP protocol.
   - [Web API Guide](./scouter.document/tech/Web-API-Guide.md)
+- **Weaver (Since @2.17.0)** : Provides the ability to directly control Scouter XLog and Profiles at the code level of Java applications.
+  - [Scouter Weaver Guide](./scouter.document/weaver/Weaver-Guide.md)
 
 ### 3rd-party UIs
 - **scouter paper** : [scouter paper homepage](https://scouter-contrib.github.io/scouter-paper/)

README_kr.md

@@ -60,6 +60,7 @@
 
 - **Web API (Since @1.8.0)** : 성능 카운터, XLog, 프로파일등의 정보를 HTTP 프로토콜을 통해 제공
   - [Web API Guide](./scouter.document/tech/Web-API-Guide_kr.md)
+- **Weaver (Since @2.17.0)** : Java 애플리케이션의 코드 수준에서 Scouter XLog와 Profile을 직접 제어하는 기능 제공
 
 ### 3rd-party UIs
 - **scouter paper** : [scouter-paper homepage](https://scouter-contrib.github.io/scouter-paper/)

pom.xml

@@ -4,7 +4,7 @@
 
     <groupId>io.github.scouter-project</groupId>
     <artifactId>scouter-parent</artifactId>
-    <version>2.17.0-SNAPSHOT</version> <!--scouter-->
+    <version>2.17.1</version> <!--scouter-->
     <packaging>pom</packaging>
 
     <name>SCOUTER APM</name>

scouter.agent.batch/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.github.scouter-project</groupId>
         <artifactId>scouter-parent</artifactId>
-        <version>2.17.0-SNAPSHOT</version> <!--scouter-->
+        <version>2.17.1</version> <!--scouter-->
     </parent>
 
     <artifactId>scouter-agent-batch</artifactId>

scouter.agent.host/pom.xml

@@ -4,7 +4,7 @@
     <parent>
         <groupId>io.github.scouter-project</groupId>
         <artifactId>scouter-parent</artifactId>
-        <version>2.17.0-SNAPSHOT</version> <!--scouter-->
+        <version>2.17.1</version> <!--scouter-->
     </parent>
 
     <artifactId>scouter-agent-host</artifactId>

scouter.agent.host/src/main/java/scouter/agent/Configure.java

@@ -504,8 +504,8 @@ public StringKeyLinkedMap<ValueType> getConfigureValueType() {
 	}
 
 	private boolean isKube() {
-		Properties properties = System.getProperties();
-		return !StringUtil.isEmpty(properties.getProperty("KUBERNETES_SERVICE_HOST"));
+		Map<String, String> env = System.getenv();
+		return !StringUtil.isEmpty(env.get("KUBERNETES_SERVICE_HOST"));
 	}
 
 	public static void main(String[] args) {

scouter.agent.host/src/main/java/scouter/agent/counter/task/AgentHeartBeat.java

@@ -75,25 +75,49 @@ public void writeHostNameForKube(CounterBasket pw) {
 			File dir = new File(conf.counter_object_registry_path);
 			File file = new File(dir, seqNoForKube + ".scouterkubeseq");
 			if (dir.canWrite()) {
+				deleteAllHostNameFileWithIgnore(dir, seqNoForKube);
 				FileUtil.save(file, conf.obj_name.getBytes());
 			}
 
 		} else {
 			File dir = new File(conf.counter_object_registry_path);
-			if (dir == null)
-				return;
-
-			File[] files = dir.listFiles();
-			for (int i = 0; i < files.length; i++) {
-				if (files[i].isDirectory())
-					continue;
-				String name = files[i].getName();
-				if (!name.endsWith(".scouterkubeseq")) {
-					continue;
-				}
-				if (files[i].canWrite()) {
-					files[i].delete();
-				}
+			deleteAllHostNameFileWithIgnore(dir, -1);
+		}
+	}
+
+	private void deleteAllHostNameFileWithIgnore(File dir, long ignoreSeq) {
+		if (dir == null)
+			return;
+
+		File[] files = dir.listFiles();
+		for (int i = 0; i < files.length; i++) {
+			if (files[i].isDirectory())
+				continue;
+			String name = files[i].getName();
+			if (!name.endsWith(".scouterkubeseq")) {
+				continue;
+			}
+
+			int kubeSeq = cintErrorMinusOne(name.substring(0, name.lastIndexOf(".")));
+			if (kubeSeq < 0)
+				continue;
+			if (kubeSeq == ignoreSeq) {
+				continue;
+			}
+			if (files[i].canWrite()) {
+				files[i].delete();
+			}
+		}
+	}
+
+	public static int cintErrorMinusOne(String value) {
+		if (value == null) {
+			return -1;
+		} else {
+			try {
+				return Integer.parseInt(value);
+			} catch (Exception e) {
+				return -1;
 			}
 		}
 	}

scouter.agent.java/pom.xml

@@ -4,7 +4,7 @@
     <parent>
         <groupId>io.github.scouter-project</groupId>
         <artifactId>scouter-parent</artifactId>
-        <version>2.17.0-SNAPSHOT</version> <!--scouter-->
+        <version>2.17.1</version> <!--scouter-->
     </parent>
 
     <artifactId>scouter-agent-java</artifactId>

scouter.agent.java/src/main/java/scouter/agent/Configure.java

@@ -323,6 +323,13 @@ public static final Configure getInstance() {
     @ConfigDesc("")
     public int autodump_stuck_check_interval_ms = 10000;
 
+    @ConfigDesc("ends sxlog profile when it exceeds profile_force_end_stuck_millis.")
+    public boolean profile_force_end_stuck_service = true;
+    @ConfigDesc("alert when forcibly ends xlog profile.")
+    public boolean profile_force_end_stuck_alert = true;
+    @ConfigDesc("stuck service millis for forcibly ends xlog profile")
+    public int profile_force_end_stuck_millis = 300000;
+
     //Auto dump options on exceeded process cpu
     @ConfigDesc("Enable the function to generate dump file when this process cpu is over than the set threshold")
     public boolean autodump_cpu_exceeded_enabled = false;
@@ -974,6 +981,10 @@ private void apply() {
         this.autodump_stuck_thread_ms = getInt("autodump_stuck_thread_ms", 0);
         this.autodump_stuck_check_interval_ms = getInt("autodump_stuck_check_interval_ms", 10000);
 
+        this.profile_force_end_stuck_service = getBoolean("profile_force_end_stuck_service", false);
+        this.profile_force_end_stuck_alert = getBoolean("profile_force_end_stuck_alert", true);
+        this.profile_force_end_stuck_millis = getInt("profile_force_end_stuck_millis", 300000);
+
         this.autodump_cpu_exceeded_enabled = getBoolean("autodump_cpu_exceeded_enabled", false);
         this.autodump_cpu_exceeded_threshold_pct = getInt("autodump_cpu_exceeded_threshold_pct", 90);
         this.autodump_cpu_exceeded_duration_ms = getInt("autodump_cpu_exceeded_duration_ms", 30000);
@@ -1627,8 +1638,8 @@ public void initTmpDir() {
     }
 
     private boolean isKube() {
-        Properties properties = System.getProperties();
-        return !StringUtil.isEmpty(properties.getProperty("KUBERNETES_SERVICE_HOST"));
+        Map<String, String> env = System.getenv();
+        return !StringUtil.isEmpty(env.get("KUBERNETES_SERVICE_HOST"));
     }
 
     private String readHostNameFromHostAgent() {

scouter.agent.java/src/main/java/scouter/agent/Logger.java

@@ -60,7 +60,7 @@ private static String toString(Object message) {
 
 	private static String build(String id, String message) {
 		if (message == null) {
-			return "null-err-message";
+			message = "null-err-message";
 		}
 		return new StringBuffer(20 + id.length() + message.length())
 				.append(DateUtil.datetime(System.currentTimeMillis())).append(" [").append(id).append("] ")
@@ -254,4 +254,4 @@ public void close() {
 		}
 	}
 
-}
+}

scouter.agent.java/src/main/java/scouter/agent/asm/JDBCPreparedStatementASM.java

@@ -91,7 +91,7 @@ public JDBCPreparedStatementASM() {
 		noField.add("jdbc/FakePreparedStatement2");
         noField.add("org/mariadb/jdbc/MariaDbClientPreparedStatement");
         noField.add("org/mariadb/jdbc/MariaDbServerPreparedStatement");
-		target.add("com/mysql/cj/jdbc/ServerPreparedStatement");
+        noField.add("com/mysql/cj/jdbc/ServerPreparedStatement");
 	}
 
 	public ClassVisitor transform(ClassVisitor cv, String className, ClassDesc classDesc) {

scouter.agent.java/src/main/java/scouter/agent/asm/weaver/WeaverClassASM.java

@@ -36,7 +36,7 @@
  */
 public class WeaverClassASM implements IASM, Opcodes {
 
-	public static Set<String> weaveMethodNames = new HashSet<>();
+	public static Set<String> weaveMethodNames = new HashSet<String>();
 
 	@Override
 	public ClassVisitor transform(ClassVisitor cv, String className, ClassDesc classDesc) {

scouter.agent.java/src/main/java/scouter/agent/proxy/ReactiveSupportFactory.java

@@ -21,6 +21,7 @@
 
 public class ReactiveSupportFactory {
 	private static final String REACTIVE_SUPPORT = "scouter.xtra.reactive.ReactiveSupport";
+	private static final String REACTIVE_SUPPORT_W_COROUTINE = "scouter.xtra.reactive.ReactiveSupportWithCoroutine";
 
 	public static final IReactiveSupport dummy = new IReactiveSupport() {
 		public Object subscriptOnContext(Object mono0, TraceContext traceContext) {
@@ -46,11 +47,20 @@ public static IReactiveSupport create(ClassLoader parent) {
 			if (loader == null) {
 				return dummy;
 			}
-			Class c = Class.forName(REACTIVE_SUPPORT, true, loader);
-			return (IReactiveSupport) c.newInstance();
+			IReactiveSupport reactiveSupport = null;
+			try {
+				Class c = Class.forName(REACTIVE_SUPPORT_W_COROUTINE, true, loader);
+				reactiveSupport = (IReactiveSupport) c.newInstance();
+			} catch (Throwable e) {
+				Logger.println("A133-0", "fail to create reactive support: REACTIVE_SUPPORT_W_COROUTINE", e);
+				Class c = Class.forName(REACTIVE_SUPPORT, true, loader);
+				reactiveSupport = (IReactiveSupport) c.newInstance();
+				Logger.println("success to create reactive support without coroutine support");
+			}
+			return reactiveSupport;
 
 		} catch (Throwable e) {
-			Logger.println("A133-1", "fail to create", e);
+			Logger.println("A133-2", "fail to create", e);
 			return dummy;
 		}
 	}