Update the semantic conventions version to 1.45.0

CHANGELOG.md

@@ -2,6 +2,9 @@
 
 ## Unreleased
 
+* Bump to semconv v1.45.0
+  ([#600](https://github.com/open-telemetry/semantic-conventions-java/pull/600))
+
 ## Version 1.44.0 (2026-09-09)
 
 * Bump to semconv v1.44.0

build.gradle.kts

@@ -13,9 +13,10 @@ val snapshot = true
 val apidiffBaselineVersion = "1.44.0"
 
 // The release version of https://github.com/open-telemetry/semantic-conventions used to generate classes
-var semanticConventionsVersion = "1.44.0"
+var semanticConventionsVersion = "1.45.0"
 val schemaUrlVersions = listOf(
     semanticConventionsVersion,
+    "1.44.0",
     "1.43.0",
     "1.42.0",
     "1.41.1",

docs/apidiffs/current_vs_latest/opentelemetry-semconv.txt

@@ -1,2 +1,16 @@
-Comparing source compatibility of opentelemetry-semconv-1.44.0-SNAPSHOT.jar against opentelemetry-semconv-1.44.0.jar
-No changes.
+Comparing source compatibility of opentelemetry-semconv-1.45.0-SNAPSHOT.jar against opentelemetry-semconv-1.44.0.jar
++++  NEW CLASS: PUBLIC(+) FINAL(+) io.opentelemetry.semconv.RpcAttributes  (not serializable)
+	+++  CLASS FILE FORMAT VERSION: 52.0 <- n.a.
+	+++  NEW SUPERCLASS: java.lang.Object
+	+++  NEW FIELD: PUBLIC(+) STATIC(+) FINAL(+) io.opentelemetry.api.common.AttributeKey<java.lang.String> RPC_SYSTEM_NAME
+	+++  NEW FIELD: PUBLIC(+) STATIC(+) FINAL(+) io.opentelemetry.api.common.AttributeKey<java.lang.String> RPC_METHOD
+	+++  NEW FIELD: PUBLIC(+) STATIC(+) FINAL(+) io.opentelemetry.api.common.AttributeKey<java.lang.String> RPC_METHOD_ORIGINAL
+	+++  NEW FIELD: PUBLIC(+) STATIC(+) FINAL(+) io.opentelemetry.api.common.AttributeKey<java.lang.String> RPC_STATUS_CODE
++++  NEW CLASS: PUBLIC(+) STATIC(+) FINAL(+) io.opentelemetry.semconv.RpcAttributes$RpcSystemNameValues  (not serializable)
+	+++  CLASS FILE FORMAT VERSION: 52.0 <- n.a.
+	+++  NEW SUPERCLASS: java.lang.Object
+	+++  NEW FIELD: PUBLIC(+) STATIC(+) FINAL(+) java.lang.String DUBBO
+	+++  NEW FIELD: PUBLIC(+) STATIC(+) FINAL(+) java.lang.String GRPC
+***  MODIFIED CLASS: PUBLIC FINAL io.opentelemetry.semconv.SchemaUrls  (not serializable)
+	===  CLASS FILE FORMAT VERSION: 52.0 <- 52.0
+	+++  NEW FIELD: PUBLIC(+) STATIC(+) FINAL(+) java.lang.String V1_45_0

semconv-incubating/src/main/java/io/opentelemetry/semconv/incubating/AwsIncubatingAttributes.java

@@ -131,8 +131,8 @@ public final class AwsIncubatingAttributes {
 
   /**
    * The Amazon Resource Name (ARN) of an <a
-   * href="https://docs.aws.amazon.com/AmazonECS/latest/developerguide/ECS_instances.html">ECS
-   * container instance</a>.
+   * href="https://docs.aws.amazon.com/AmazonECS/latest/developerguide/task-metadata-endpoint-v4-response.html">ECS
+   * container</a>.
    */
   public static final AttributeKey<String> AWS_ECS_CONTAINER_ARN =
       stringKey("aws.ecs.container.arn");

semconv-incubating/src/main/java/io/opentelemetry/semconv/incubating/AwsIncubatingEntities.java

@@ -9,14 +9,17 @@
 // buildscripts/templates/registry/incubating_java/IncubatingSemanticEntities.java.j2
 @SuppressWarnings("unused")
 public final class AwsIncubatingEntities {
-  /** Entities used by AWS Elastic Container Service (ECS). */
-  public static final String AWS_ECS_TYPE = "aws.ecs";
+  /** An AWS Elastic Container Service (ECS) cluster. */
+  public static final String AWS_ECS_CLUSTER_TYPE = "aws.ecs.cluster";
+
+  /** An application container running in an AWS Elastic Container Service (ECS) task. */
+  public static final String AWS_ECS_CONTAINER_TYPE = "aws.ecs.container";
+
+  /** A running AWS Elastic Container Service (ECS) task. */
+  public static final String AWS_ECS_TASK_TYPE = "aws.ecs.task";
 
   /** Entities used by AWS Elastic Kubernetes Service (EKS). */
   public static final String AWS_EKS_TYPE = "aws.eks";
 
-  /** Entities specific to Amazon Web Services. */
-  public static final String AWS_LOG_TYPE = "aws.log";
-
   private AwsIncubatingEntities() {}
 }

semconv-incubating/src/main/java/io/opentelemetry/semconv/incubating/AzureIncubatingAttributes.java

@@ -57,6 +57,10 @@ public final class AzureIncubatingAttributes {
   public static final AttributeKey<Long> AZURE_COSMOSDB_RESPONSE_SUB_STATUS_CODE =
       longKey("azure.cosmosdb.response.sub_status_code");
 
+  /** The UTC epoch seconds at which the message has been accepted and stored in the entity. */
+  public static final AttributeKey<Long> AZURE_EVENTHUBS_MESSAGE_ENQUEUED_TIME =
+      longKey("azure.eventhubs.message.enqueued_time");
+
   /**
    * The name of the Azure <a
    * href="https://learn.microsoft.com/azure/azure-resource-manager/management/manage-resource-groups-portal">resource
@@ -80,6 +84,22 @@ public final class AzureIncubatingAttributes {
   public static final AttributeKey<String> AZURE_SERVICE_REQUEST_ID =
       stringKey("azure.service.request.id");
 
+  /**
+   * Describes the <a
+   * href="https://learn.microsoft.com/azure/service-bus-messaging/message-transfers-locks-settlement#peeklock">settlement
+   * type</a>.
+   */
+  public static final AttributeKey<String> AZURE_SERVICEBUS_DISPOSITION_STATUS =
+      stringKey("azure.servicebus.disposition_status");
+
+  /** Number of deliveries that have been attempted for this message. */
+  public static final AttributeKey<Long> AZURE_SERVICEBUS_MESSAGE_DELIVERY_COUNT =
+      longKey("azure.servicebus.message.delivery_count");
+
+  /** The UTC epoch seconds at which the message has been accepted and stored in the entity. */
+  public static final AttributeKey<Long> AZURE_SERVICEBUS_MESSAGE_ENQUEUED_TIME =
+      longKey("azure.servicebus.message.enqueued_time");
+
   // Enum definitions
 
   /** Values for {@link #AZURE_COSMOSDB_CONNECTION_MODE}. */
@@ -113,5 +133,22 @@ public static final class AzureCosmosdbConsistencyLevelIncubatingValues {
     private AzureCosmosdbConsistencyLevelIncubatingValues() {}
   }
 
+  /** Values for {@link #AZURE_SERVICEBUS_DISPOSITION_STATUS}. */
+  public static final class AzureServicebusDispositionStatusIncubatingValues {
+    /** Message is completed */
+    public static final String COMPLETE = "complete";
+
+    /** Message is abandoned */
+    public static final String ABANDON = "abandon";
+
+    /** Message is sent to dead letter queue */
+    public static final String DEAD_LETTER = "dead_letter";
+
+    /** Message is deferred */
+    public static final String DEFER = "defer";
+
+    private AzureServicebusDispositionStatusIncubatingValues() {}
+  }
+
   private AzureIncubatingAttributes() {}
 }

semconv-incubating/src/main/java/io/opentelemetry/semconv/incubating/ClientIncubatingAttributes.java

@@ -29,6 +29,53 @@ public final class ClientIncubatingAttributes {
    */
   @Deprecated public static final AttributeKey<String> CLIENT_ADDRESS = stringKey("client.address");
 
+  /**
+   * The <a href="https://www.iana.org/assignments/as-numbers/as-numbers.xhtml">Autonomous System
+   * Number (ASN)</a> associated with the client IP address.
+   *
+   * <p>Notes:
+   *
+   * <p>This attribute SHOULD only be set when the client address is an IP address and the ASN is
+   * available from routing, enrichment, or lookup data. The value SHOULD be represented as an
+   * integer without the {@code AS} prefix.
+   */
+  public static final AttributeKey<Long> CLIENT_AS_NUMBER = longKey("client.as.number");
+
+  /**
+   * The name of the organization associated with the autonomous system of the client IP address.
+   *
+   * <p>Notes:
+   *
+   * <p>This attribute SHOULD only be set when {@code client.as.number} is set and the organization
+   * name is available. The value SHOULD be the organization name as provided by the lookup or
+   * enrichment source, not the AS name or short code.
+   */
+  public static final AttributeKey<String> CLIENT_AS_ORGANIZATION =
+      stringKey("client.as.organization");
+
+  /**
+   * Client Media Access Control (MAC) address.
+   *
+   * <p>Notes:
+   *
+   * <p>This attribute MUST identify a MAC address associated with the logical client endpoint,
+   * including when that endpoint is behind intermediaries. If the client's MAC address is unknown,
+   * this attribute MUST NOT be set. The MAC address of a proxy, gateway, or next-hop router MUST
+   * NOT be used as a substitute.
+   *
+   * <p>MAC addresses MUST be represented in <a
+   * href="https://standards.ieee.org/wp-content/uploads/import/documents/tutorials/eui.pdf">IEEE RA
+   * hexadecimal form</a>: as hyphen-separated octets in uppercase hexadecimal form from most to
+   * least significant.
+   *
+   * <blockquote>
+   * [!WARNING]
+   *
+   * <p>This attribute may contain sensitive (PII) information.
+   * </blockquote>
+   */
+  public static final AttributeKey<String> CLIENT_MAC_ADDRESS = stringKey("client.mac.address");
+
   /**
    * Client port number.
    *
@@ -43,6 +90,63 @@ public final class ClientIncubatingAttributes {
    */
   @Deprecated public static final AttributeKey<Long> CLIENT_PORT = longKey("client.port");
 
+  /**
+   * The IP prefix associated with the client IP address, in CIDR notation.
+   *
+   * <p>Notes:
+   *
+   * <blockquote>
+   * [!WARNING]
+   *
+   * <p>This attribute may contain sensitive (PII) information. A {@code /32} IPv4 prefix or {@code
+   * /128} IPv6 prefix preserves the complete endpoint IP address. Using CIDR notation does not
+   * guarantee that the data is anonymous.
+   * </blockquote>
+   *
+   * <p>The value MUST be an IPv4 or IPv6 network prefix in CIDR notation, as defined in <a
+   * href="https://www.rfc-editor.org/rfc/rfc4632.html">RFC 4632</a> for IPv4 and <a
+   * href="https://www.rfc-editor.org/rfc/rfc4291.html#section-2.3">RFC 4291</a> for IPv6. IPv4
+   * prefixes MUST use a dotted-decimal address followed by {@code /} and a decimal prefix length
+   * from 0 to 32. IPv6 prefixes MUST use the canonical address text representation defined in <a
+   * href="https://www.rfc-editor.org/rfc/rfc5952.html">RFC 5952</a>, followed by {@code /} and a
+   * decimal prefix length from 0 to 128. All host bits in the address MUST be set to zero. The
+   * value MUST NOT contain a domain name, UNIX domain socket name, or IPv6 zone identifier.
+   *
+   * <p>Instrumentation or Collector receivers that populate this attribute MUST convert native
+   * representations, such as an address and subnet mask or an address and prefix length, to
+   * equivalent CIDR notation before emitting it.
+   *
+   * <p>This attribute MUST NOT be set unless {@code client.address} is set to an IPv4 or IPv6
+   * address. The address MUST use the same IP version as this prefix and be contained in it.
+   */
+  public static final AttributeKey<String> CLIENT_PREFIX = stringKey("client.prefix");
+
+  /**
+   * Logical name of the service acting as the client in a connection-based network interaction.
+   *
+   * <p>Notes:
+   *
+   * <p>SHOULD be equal to the actual <a href="/docs/resource/README.md#service">{@code
+   * service.name}</a> resource attribute of the logical client, if any. This identifies the client
+   * service whether the telemetry is recorded by the client, the server, or another observer.
+   */
+  public static final AttributeKey<String> CLIENT_SERVICE_NAME = stringKey("client.service.name");
+
+  /**
+   * Logical namespace of the service acting as the client in a connection-based network
+   * interaction.
+   *
+   * <p>Notes:
+   *
+   * <p>SHOULD be equal to the actual <a href="/docs/resource/README.md#service">{@code
+   * service.namespace}</a> resource attribute of the logical client, if any. This identifies the
+   * client service's namespace whether the telemetry is recorded by the client, the server, or
+   * another observer. Together with {@code client.service.name}, this identifies the client
+   * service. An empty namespace is equivalent to an unspecified namespace.
+   */
+  public static final AttributeKey<String> CLIENT_SERVICE_NAMESPACE =
+      stringKey("client.service.namespace");
+
   // Enum definitions
 
   private ClientIncubatingAttributes() {}

semconv-incubating/src/main/java/io/opentelemetry/semconv/incubating/CloudfoundryIncubatingEntities.java

@@ -24,5 +24,8 @@ public final class CloudfoundryIncubatingEntities {
   /** The system component which is monitored. */
   public static final String CLOUDFOUNDRY_SYSTEM_TYPE = "cloudfoundry.system";
 
+  /** A concrete instance of the system component which is monitored. */
+  public static final String CLOUDFOUNDRY_SYSTEM_INSTANCE_TYPE = "cloudfoundry.system.instance";
+
   private CloudfoundryIncubatingEntities() {}
 }

semconv-incubating/src/main/java/io/opentelemetry/semconv/incubating/CpuIncubatingAttributes.java

@@ -14,7 +14,16 @@
 // buildscripts/templates/registry/incubating_java/IncubatingSemanticAttributes.java.j2
 @SuppressWarnings("unused")
 public final class CpuIncubatingAttributes {
-  /** The logical CPU number [0..n-1] */
+  /**
+   * The identifier of a logical execution target (CPU) as seen by the operating system, in the
+   * range [0..n-1].
+   *
+   * <p>Notes:
+   *
+   * <p>On systems with simultaneous multithreading (SMT) enabled — such as Intel Hyper-Threading or
+   * AMD SMT — this value will usually differ from the physical core number, because each core
+   * presents multiple logical CPUs for the system to use.
+   */
   public static final AttributeKey<Long> CPU_LOGICAL_NUMBER = longKey("cpu.logical_number");
 
   /** The mode of the CPU */