Further remove jetty references and config (#8974)

dist-material/log4j2.xml

@@ -34,7 +34,6 @@
         </RollingFile>
     </Appenders>
     <Loggers>
-        <logger name="org.eclipse.jetty" level="INFO"/>
         <logger name="org.apache.zookeeper" level="INFO"/>
         <logger name="io.grpc.netty" level="INFO"/>
         <Root level="info">

docs/en/setup/backend/backend-expose.md

@@ -10,14 +10,13 @@ requests.
 receiver-sharing-server:
   selector: ${SW_RECEIVER_SHARING_SERVER:default}
   default:
-    # For Jetty server
+    # For REST server
     restHost: ${SW_RECEIVER_SHARING_REST_HOST:0.0.0.0}
     restPort: ${SW_RECEIVER_SHARING_REST_PORT:0}
     restContextPath: ${SW_RECEIVER_SHARING_REST_CONTEXT_PATH:/}
-    restMinThreads: ${SW_RECEIVER_SHARING_JETTY_MIN_THREADS:1}
-    restMaxThreads: ${SW_RECEIVER_SHARING_JETTY_MAX_THREADS:200}
-    restIdleTimeOut: ${SW_RECEIVER_SHARING_JETTY_IDLE_TIMEOUT:30000}
-    restAcceptQueueSize: ${SW_RECEIVER_SHARING_JETTY_QUEUE_SIZE:0}
+    restMaxThreads: ${SW_RECEIVER_SHARING_REST_MAX_THREADS:200}
+    restIdleTimeOut: ${SW_RECEIVER_SHARING_REST_IDLE_TIMEOUT:30000}
+    restAcceptQueueSize: ${SW_RECEIVER_SHARING_REST_QUEUE_SIZE:0}
     httpMaxRequestHeaderSize: ${SW_RECEIVER_SHARING_HTTP_MAX_REQUEST_HEADER_SIZE:8192}
     # For gRPC server
     gRPCHost: ${SW_RECEIVER_GRPC_HOST:0.0.0.0}

docs/en/setup/backend/backend-setup.md

@@ -34,8 +34,8 @@ Before deploying Skywalking in your distributed environment, you should learn ab
 
 <img src="https://skywalking.apache.org/doc-graph/communication-net.png"/>
 
-- Most native agents and probes, including language-based or mesh probes, use gRPC service (`core/default/gRPC*` in `application.yml`) to report data to the backend. Also, the Jetty service is supported in JSON format.
-- UI uses GraphQL (HTTP) query to access the backend, also in Jetty service (`core/default/rest*` in `application.yml`).
+- Most native agents and probes, including language-based or mesh probes, use gRPC service (`core/default/gRPC*` in `application.yml`) to report data to the backend. Also, the REST service is supported in JSON format.
+- UI uses GraphQL (HTTP) query to access the backend, also in REST service (`core/default/rest*` in `application.yml`).
 
 
 ## Startup script

docs/en/setup/backend/configuration-vocabulary.md

@@ -205,8 +205,7 @@ core|default|role|Option values: `Mixed/Receiver/Aggregator`. **Receiver** mode
 | - | - | restPort | Binding port of RESTful services. | SW_RECEIVER_ZIPKIN_REST_PORT| 9411                                                                  |
 | - | - | restContextPath| Web context path of RESTful services. | SW_RECEIVER_ZIPKIN_REST_CONTEXT_PATH| /                                                                     |
 | - | - | restMaxThreads| Maximum thread number of RESTful services. | SW_RECEIVER_ZIPKIN_REST_MAX_THREADS| 200                                                                   |
-| - | - | restIdleTimeOut| Connector idle timeout of RESTful services (in milliseconds). | SW_RECEIVER_ZIPKIN_REST_IDLE_TIMEOUT| 30000                                                                 |
-| - | - | restAcceptorPriorityDelta| ServerSocketChannel backlog of RESTful services. | SW_RECEIVER_ZIPKIN_REST_DELTA| 0                                                                     |
+| - | - | restIdleTimeOut| Connector idle timeout of RESTful services (in milliseconds). | SW_RECEIVER_ZIPKIN_REST_IDLE_TIMEOUT| 30000                                                                 |                                                                  |
 | - | - | restAcceptQueueSize| Maximum request header size accepted. | SW_RECEIVER_ZIPKIN_REST_QUEUE_SIZE| 0                                                                     |
 | - | - | instanceNameRule| Get the instance name from these tags. | SW_RECEIVER_ZIPKIN_INSTANCE_NAME_RULE| [spring.instance_id,node_id]                                                                     |
 | - | - | searchableTracesTags| Defines a set of span tag keys which are searchable. Multiple values are separated by commas. | SW_ZIPKIN_SEARCHABLE_TAG_KEYS| http.method |

docs/en/setup/backend/zipkin-trace.md

@@ -14,7 +14,6 @@ receiver-zipkin:
     restContextPath: ${SW_RECEIVER_ZIPKIN_REST_CONTEXT_PATH:/}
     restMaxThreads: ${SW_RECEIVER_ZIPKIN_REST_MAX_THREADS:200}
     restIdleTimeOut: ${SW_RECEIVER_ZIPKIN_REST_IDLE_TIMEOUT:30000}
-    restAcceptorPriorityDelta: ${SW_RECEIVER_ZIPKIN_REST_DELTA:0}
     restAcceptQueueSize: ${SW_RECEIVER_ZIPKIN_REST_QUEUE_SIZE:0}
     instanceNameRule: ${SW_RECEIVER_ZIPKIN_INSTANCE_NAME_RULE:[spring.instance_id,node_id]}
     searchableTracesTags: ${SW_ZIPKIN_SEARCHABLE_TAG_KEYS:http.method}

docs/en/setup/envoy/examples/metrics/log4j2.xml

@@ -24,7 +24,6 @@
         </Console>
     </Appenders>
     <Loggers>
-        <logger name="org.eclipse.jetty" level="INFO"/>
         <logger name="org.apache.zookeeper" level="INFO"/>
         <logger name="io.grpc.netty" level="INFO"/>
         <logger name="org.apache.skywalking.oap.server.receiver.istio.telemetry" level="DEBUG"/>

oap-server/server-library/library-server/src/main/java/org/apache/skywalking/oap/server/library/server/http/HTTPServerConfig.java

@@ -36,8 +36,6 @@ public class HTTPServerConfig {
     @Builder.Default
     private long idleTimeOut = 30000;
     @Builder.Default
-    private int acceptorPriorityDelta = 0;
-    @Builder.Default
     private int acceptQueueSize = 0;
     @Builder.Default
     private int maxRequestHeaderSize = 8192;

oap-server/server-receiver-plugin/skywalking-sharing-server-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/sharing/server/SharingServerConfig.java

@@ -27,7 +27,7 @@ import org.apache.skywalking.oap.server.library.module.ModuleConfig;
 public class SharingServerConfig extends ModuleConfig {
     private String restHost;
     /**
-     * Only setting the real port(not 0) makes the jetty server online.
+     * Only setting the real port(not 0) makes the Armeria server online.
      */
     private int restPort;
     private String restContextPath;

oap-server/server-receiver-plugin/skywalking-sharing-server-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/sharing/server/SharingServerModule.java

@@ -23,8 +23,8 @@ import org.apache.skywalking.oap.server.core.server.HTTPHandlerRegister;
 import org.apache.skywalking.oap.server.library.module.ModuleDefine;
 
 /**
- * Sharing server is an independent gRPC and Jetty servers provided for all receiver modules. In default, this module
- * would not be activated unless the user active explicitly. It only delegates the core gRPC and Jetty servers.
+ * Sharing server is an independent gRPC and REST servers provided for all receiver modules. In default, this module
+ * would not be activated unless the user active explicitly. It only delegates the core gRPC and REST servers.
  *
  * Once it is activated, provides separated servers, then all receivers use these to accept outside requests. Typical,
  * this is activated to avoid the ip, port and thread pool sharing between receiver and internal traffics. For security

oap-server/server-receiver-plugin/zipkin-receiver-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/zipkin/ZipkinReceiverConfig.java

@@ -34,7 +34,6 @@ public class ZipkinReceiverConfig extends ModuleConfig {
     private String restContextPath;
     private int restMaxThreads = 200;
     private long restIdleTimeOut = 30000;
-    private int restAcceptorPriorityDelta = 0;
     private int restAcceptQueueSize = 0;
     private List<String> instanceNameRule = new ArrayList<>();
     private String searchableTracesTags = DEFAULT_SEARCHABLE_TAG_KEYS;

oap-server/server-receiver-plugin/zipkin-receiver-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/zipkin/ZipkinReceiverProvider.java

@@ -67,8 +67,6 @@ public class ZipkinReceiverProvider extends ModuleProvider {
                                                             .port(config.getRestPort())
                                                             .contextPath(config.getRestContextPath())
                                                             .idleTimeOut(config.getRestIdleTimeOut())
-                                                            .acceptorPriorityDelta(
-                                                                   config.getRestAcceptorPriorityDelta())
                                                             .maxThreads(config.getRestMaxThreads())
                                                             .acceptQueueSize(config.getRestAcceptQueueSize())
                                                             .build();

oap-server/server-starter/src/main/resources/application.yml

@@ -388,7 +388,6 @@ receiver-zipkin:
     restContextPath: ${SW_RECEIVER_ZIPKIN_REST_CONTEXT_PATH:/}
     restMaxThreads: ${SW_RECEIVER_ZIPKIN_REST_MAX_THREADS:200}
     restIdleTimeOut: ${SW_RECEIVER_ZIPKIN_REST_IDLE_TIMEOUT:30000}
-    restAcceptorPriorityDelta: ${SW_RECEIVER_ZIPKIN_REST_DELTA:0}
     restAcceptQueueSize: ${SW_RECEIVER_ZIPKIN_REST_QUEUE_SIZE:0}
     instanceNameRule: ${SW_RECEIVER_ZIPKIN_INSTANCE_NAME_RULE:[spring.instance_id,node_id]}
     searchableTracesTags: ${SW_ZIPKIN_SEARCHABLE_TAG_KEYS:http.method}

oap-server/server-starter/src/main/resources/log4j2.xml

@@ -28,7 +28,6 @@
         </Console>
     </Appenders>
     <Loggers>
-        <logger name="org.eclipse.jetty" level="INFO"/>
         <logger name="org.apache.zookeeper" level="INFO"/>
         <logger name="io.grpc.netty" level="INFO"/>
         <logger name="io.netty" level="INFO"/>

oap-server/server-tools/data-generator/src/main/resources/application.yml

@@ -26,11 +26,9 @@ core:
     restHost: ${SW_CORE_REST_HOST:0.0.0.0}
     restPort: ${SW_CORE_REST_PORT:12800}
     restContextPath: ${SW_CORE_REST_CONTEXT_PATH:/}
-    restMinThreads: ${SW_CORE_REST_JETTY_MIN_THREADS:1}
-    restMaxThreads: ${SW_CORE_REST_JETTY_MAX_THREADS:200}
-    restIdleTimeOut: ${SW_CORE_REST_JETTY_IDLE_TIMEOUT:30000}
-    restAcceptorPriorityDelta: ${SW_CORE_REST_JETTY_DELTA:0}
-    restAcceptQueueSize: ${SW_CORE_REST_JETTY_QUEUE_SIZE:0}
+    restMaxThreads: ${SW_CORE_REST_MAX_THREADS:200}
+    restIdleTimeOut: ${SW_CORE_REST_IDLE_TIMEOUT:30000}
+    restAcceptQueueSize: ${SW_CORE_REST_QUEUE_SIZE:0}
     httpMaxRequestHeaderSize: ${SW_CORE_HTTP_MAX_REQUEST_HEADER_SIZE:8192}
     gRPCHost: ${SW_CORE_GRPC_HOST:0.0.0.0}
     gRPCPort: ${SW_CORE_GRPC_PORT:11800}

test/e2e-v2/cases/istio/log4j2.xml

@@ -24,7 +24,6 @@
         </Console>
     </Appenders>
     <Loggers>
-        <logger name="org.eclipse.jetty" level="INFO"/>
         <logger name="org.apache.zookeeper" level="INFO"/>
         <logger name="io.grpc.netty" level="INFO"/>
         <logger name="org.apache.skywalking.oap.meter.analyzer" level="DEBUG"/>

test/e2e-v2/script/prepare/setup-oap/log4j2.xml

@@ -24,7 +24,6 @@
         </Console>
     </Appenders>
     <Loggers>
-        <logger name="org.eclipse.jetty" level="INFO"/>
         <logger name="org.apache.zookeeper" level="INFO"/>
         <logger name="io.grpc.netty" level="INFO"/>
         <logger name="org.apache.skywalking.oap.meter.analyzer" level="DEBUG"/>