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wusheng pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/skywalking.git


The following commit(s) were added to refs/heads/master by this push:
     new 49594c4db1 Bump up Java version to 11 and use junit tag to group IT 
and slow IT (#10390)
49594c4db1 is described below

commit 49594c4db1973c20790f55581f02245ad50a9b2f
Author: kezhenxu94 <[email protected]>
AuthorDate: Tue Feb 14 23:19:32 2023 +0800

    Bump up Java version to 11 and use junit tag to group IT and slow IT 
(#10390)
    
    - `./mvnw test ...` by its nature only runs unit tests, whose name is 
pattern of `*Test`, and it does never runs integration tests, whose name is 
patter of `IT*` or `*IT`, so in this PR we use `./mvnw clean test ...` to only 
run unit tests.
    - `./mvnw integration-test ...` will run integration tests and unit tests, 
so we have `skipUTs` to control whether to skip the UT when running ITs, we 
already had this before.
      - As for ITs, we have two groups, one is normal tests without any 
`@Tag`s, the other one is slow integration tests, which is annotated with 
`@Tag("slow")`, so we divided the integration tests into two workflow jobs:
      - `./mvnw -DskipUTs=true clean integration-test -DexcludedGroups=slow 
...` run the ITs but don't run the slow ITs and UTs, `-DexcludedGroups=slow` 
excludes tests annotated with `@Tag("slow")`
      - `./mvnw -DskipUTs=true clean integration-test -Dcheckstyle.skip 
-Dtest=${{ matrix.test.class }}` run the slow ITs (because `excludedGroups` is 
not set) one case at a time, by setting `-Dtest={{ class }}`, not run UTs,
---
 .github/workflows/skywalking.yaml                  | 53 +++++++++++-----------
 docs/en/changes/changes.md                         |  1 +
 docs/en/guides/How-to-build.md                     |  4 +-
 docs/en/guides/README.md                           | 14 +++---
 docs/en/setup/backend/backend-setup.md             |  2 +-
 .../alarm/provider/feishu/FeishuHookCallback.java  |  3 +-
 ...> ClusterModuleConsulProviderFunctionalIT.java} |  4 +-
 ...tcdPluginTest.java => ClusterEtcdPluginIT.java} |  2 +-
 ... => ClusterModuleEtcdProviderFunctionalIT.java} |  4 +-
 ...=> ClusterModuleNacosProviderFunctionalIT.java} |  4 +-
 ...lusterModuleZookeeperProviderFunctionalIT.java} |  9 +---
 ...urationTest.java => ApolloConfigurationIT.java} |  4 +-
 ...urationTest.java => ConsulConfigurationIT.java} |  2 +-
 ...igurationTest.java => EtcdConfigurationIT.java} |  2 +-
 ...gurationTest.java => NacosConfigurationIT.java} |  2 +-
 ...tionTest.java => ZookeeperConfigurationIT.java} |  2 +-
 .../{ITElasticSearch.java => ElasticSearchIT.java} |  2 +-
 ...TCITElasticSearch.java => ElasticSearchIT.java} |  4 +-
 .../oap/server/library/util/StringUtil.java        |  8 ----
 ...ITShardingSphere.java => ShardingSphereIT.java} |  5 +-
 pom.xml                                            | 32 +++++--------
 21 files changed, 74 insertions(+), 89 deletions(-)

diff --git a/.github/workflows/skywalking.yaml 
b/.github/workflows/skywalking.yaml
index b84cb4e8e4..a080ae676f 100644
--- a/.github/workflows/skywalking.yaml
+++ b/.github/workflows/skywalking.yaml
@@ -70,7 +70,7 @@ jobs:
       - uses: actions/setup-java@v3
         with:
           distribution: "temurin"
-          java-version: "8"
+          java-version: "11"
           cache: "maven"
       - name: Setup Go
         uses: actions/setup-go@v3
@@ -157,7 +157,7 @@ jobs:
       - uses: actions/setup-java@v3
         with:
           distribution: "temurin"
-          java-version: "8"
+          java-version: "11"
           cache: "maven"
       - name: Build distribution tar
         run: |
@@ -181,7 +181,7 @@ jobs:
     timeout-minutes: 30
     strategy:
       matrix:
-        java-version: [8, 11, 17]
+        java-version: [11, 17]
     steps:
       - uses: actions/checkout@v3
         with:
@@ -220,10 +220,10 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu, macos, windows]
-        java-version: [8]
+        java-version: [11]
         include:
           - os: ubuntu
-            java-version: 11
+            java-version: 17
     steps:
       - uses: actions/checkout@v3
         with:
@@ -237,9 +237,9 @@ jobs:
       - uses: actions/setup-java@v3
         with:
           java-version: ${{ matrix.java-version }}
-          distribution: adopt
+          distribution: temurin
       - name: Unit test
-        run: ./mvnw clean verify -q -B -D"checkstyle.skip" || ./mvnw clean 
verify -q -B -D"checkstyle.skip"
+        run: ./mvnw clean test -q -B -D"checkstyle.skip" || ./mvnw clean test 
-q -B -D"checkstyle.skip"
 
   integration-test:
     if: |
@@ -251,7 +251,7 @@ jobs:
     timeout-minutes: 60
     strategy:
       matrix:
-        java-version: [8, 11]
+        java-version: [11, 17]
     steps:
       - uses: actions/checkout@v3
         with:
@@ -265,18 +265,19 @@ jobs:
       - uses: actions/setup-java@v3
         with:
           java-version: ${{ matrix.java-version }}
-          distribution: adopt
+          distribution: temurin
       - name: Integration test
         run: |
-          ./mvnw clean verify -q -B -Dcheckstyle.skip -DskipUTs 
-DskipITs=false || \
-          ./mvnw clean verify -q -B -Dcheckstyle.skip -DskipUTs -DskipITs=false
+          # Exclude slow integration tests and run those tests separately 
below.
+          ./mvnw -B clean integration-test -Dcheckstyle.skip -DskipUTs=true 
-DexcludedGroups=slow || \
+          ./mvnw -B clean integration-test -Dcheckstyle.skip -DskipUTs=true 
-DexcludedGroups=slow
 
-  # Time consuming integration tests
-  tc-integration-test:
+  # Slow tests
+  slow-integration-test:
     if: |
       ( always() && ! cancelled() ) &&
       ((github.event_name == 'schedule' && github.repository == 
'apache/skywalking') || needs.changes.outputs.oap == 'true')
-    name: Time Consuming Integration Tests
+    name: Slow Integration Tests
     needs: [sanity-check, changes]
     runs-on: ubuntu-latest
     timeout-minutes: 60
@@ -284,9 +285,9 @@ jobs:
       matrix:
         test:
           - name: ShardingSphere
-            class: 
org.apache.skywalking.oap.server.storage.plugin.jdbc.shardingsphere.TCITShardingSphere
+            class: 
org.apache.skywalking.oap.server.storage.plugin.jdbc.shardingsphere.ShardingSphereIT
           - name: ElasticSearch / OpenSearch
-            class: 
org.apache.skywalking.library.elasticsearch.TCITElasticSearch
+            class: org.apache.skywalking.library.elasticsearch.ElasticSearchIT
     steps:
       - uses: actions/checkout@v3
         with:
@@ -299,12 +300,12 @@ jobs:
           restore-keys: ${{ runner.os }}-maven-
       - uses: actions/setup-java@v3
         with:
-          java-version: 8
-          distribution: adopt
+          java-version: 11
+          distribution: temurin
       - name: ${{ matrix.test.name }}
         run: |
-          ./mvnw clean test -Dtest=${{ matrix.test.class }} 
-DfailIfNoTests=false || \
-          ./mvnw clean test -Dtest=${{ matrix.test.class }} 
-DfailIfNoTests=false
+          ./mvnw -B clean integration-test -Dcheckstyle.skip -DskipUTs=true 
-Dit.test=${{ matrix.test.class }} -DfailIfNoTests=false || \
+          ./mvnw -B clean integration-test -Dcheckstyle.skip -DskipUTs=true 
-Dit.test=${{ matrix.test.class }} -DfailIfNoTests=false
 
   e2e-test:
     if: |
@@ -669,7 +670,7 @@ jobs:
       - uses: actions/download-artifact@v3
         name: Download docker images
         with:
-          name: docker-images-8
+          name: docker-images-11
           path: docker-images
       - name: Load docker images
         run: find docker-images -name "*.tar" -exec docker load -i {} \;
@@ -731,7 +732,7 @@ jobs:
       - uses: actions/download-artifact@v3
         name: Download docker images
         with:
-          name: docker-images-8
+          name: docker-images-11
           path: docker-images
       - name: Load docker images
         run: find docker-images -name "*.tar" -exec docker load -i {} \;
@@ -755,7 +756,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        java-version: [8, 11, 17]
+        java-version: [11, 17]
     steps:
       - uses: actions/checkout@v3
         with:
@@ -770,7 +771,7 @@ jobs:
       - uses: actions/setup-java@v3
         with:
           java-version: ${{ matrix.java-version }}
-          distribution: adopt
+          distribution: temurin
       - name: Prepare test services
         shell: bash
         run: ./mvnw -B -f test/e2e-v2/java-test-service/pom.xml clean package
@@ -788,7 +789,7 @@ jobs:
       - dependency-license
       - unit-test
       - integration-test
-      - tc-integration-test
+      - slow-integration-test
       - e2e-test
       - e2e-test-istio
       - e2e-test-java-versions
@@ -807,7 +808,7 @@ jobs:
           depLicenseResults=${{ needs.dependency-license.result }}
           unitResults=${{ needs.unit-test.result }};
           integrationResults=${{ needs.integration-test.result }};
-          timeConsumingITResults=${{ needs.tc-integration-test.result }};
+          timeConsumingITResults=${{ needs.slow-integration-test.result }};
           e2eResults=${{ needs.e2e-test.result }};
           e2eIstioResults=${{ needs.e2e-test-istio.result }};
           e2eJavaVersionResults=${{ needs.e2e-test-java-versions.result }};
diff --git a/docs/en/changes/changes.md b/docs/en/changes/changes.md
index b5aa8fd44d..b30092bca4 100644
--- a/docs/en/changes/changes.md
+++ b/docs/en/changes/changes.md
@@ -6,6 +6,7 @@
 * Bump up Apache parent pom version to 29.
 * Bump up Armeria version to 1.21.0.
 * Clean up maven `pom.xml`s.
+* Bump up Java version to 11.
 
 #### OAP Server
 
diff --git a/docs/en/guides/How-to-build.md b/docs/en/guides/How-to-build.md
index 49a7ce4716..52a51ba28e 100644
--- a/docs/en/guides/How-to-build.md
+++ b/docs/en/guides/How-to-build.md
@@ -16,7 +16,7 @@ If you need to execute build behind the proxy, edit the 
*.mvn/jvm.config* and se
 ```
 
 ### Building from GitHub
-1. Prepare git, JDK8+, and Maven 3.6+.
+1. Prepare git, JDK11+, and Maven 3.6+.
 1. Clone the project.
 
     If you want to build a release from source codes, set a `tag name` by 
using `git clone -b [tag_name] ...` while cloning.
@@ -41,7 +41,7 @@ If you need to execute build behind the proxy, edit the 
*.mvn/jvm.config* and se
 
 For each official Apache release, there is a complete and independent source 
code tar, which includes all source codes. You could download it from 
[SkyWalking Apache download page](http://skywalking.apache.org/downloads/). 
There is no requirement related to git when compiling this. Just follow these 
steps.
 
-1. Prepare JDK8+ and Maven 3.6+.
+1. Prepare JDK11+ and Maven 3.6+.
 1. Run `./mvnw clean package -Dmaven.test.skip`.
 1. All packages are in `/dist`.(.tar.gz for Linux and .zip for Windows).
 
diff --git a/docs/en/guides/README.md b/docs/en/guides/README.md
index b2e321bdc3..4a26f9bbbf 100755
--- a/docs/en/guides/README.md
+++ b/docs/en/guides/README.md
@@ -32,16 +32,16 @@ as well as write some unit test (UT) codes to verify that 
the new codes would wo
 If the new codes involve other components or libraries, you should also write 
integration tests (IT).
 
 SkyWalking leverages the plugin `maven-surefire-plugin` to run the UTs and 
uses `maven-failsafe-plugin`
-to run the ITs. `maven-surefire-plugin` excludes ITs (whose class name starts 
with `IT`)
-and leaves them for `maven-failsafe-plugin` to run, which is bound to the 
`verify` goal.
+to run the ITs. `maven-surefire-plugin` excludes ITs (whose class name starts 
or ends with `*IT`, `IT*`)
+and leaves them for `maven-failsafe-plugin` to run, which is bound to the 
`integration-test` goal.
 Therefore, to run the UTs, try `./mvnw clean test`, which only runs the UTs 
but not the ITs.
 
-If you would like to run the ITs, please set the property `skipITs` to false
-as well as the profiles of the modules whose ITs you want to run.
-E.g. if you would like to run the ITs in `oap-server`, try `./mvnw -Pbackend 
clean verify -DskipITs=false`,
-and if you would like to run all the ITs, simply run `./mvnw clean verify 
-DskipITs=false`.
+If you would like to run the ITs, please run `./mvnw integration-test` as well 
as the profiles of the modules whose ITs you want to run.
+If you don't want to run UTs, please add `-DskipUTs=true`.
+E.g. if you would like to only run the ITs in `oap-server`, try `./mvnw 
-Pbackend clean verify -DskipUTs=true`,
+and if you would like to run all the ITs, simply run `./mvnw clean 
integration-test -DskipUTs=true`.
 
-Please be advised that if you're writing integration tests, name it with the 
pattern `IT*` so they would only run when property `skipITs` is set to false.
+Please be advised that if you're writing integration tests, name it with the 
pattern `IT*` or `*IT` so they would only run in goal `integration-test`.
 
 ### Java Microbenchmark Harness (JMH)
 JMH is a Java harness for building, running, and analysing 
nano/micro/milli/macro benchmarks written in Java and other languages targeting 
the JVM.
diff --git a/docs/en/setup/backend/backend-setup.md 
b/docs/en/setup/backend/backend-setup.md
index eaf219c3f6..a4d4605310 100755
--- a/docs/en/setup/backend/backend-setup.md
+++ b/docs/en/setup/backend/backend-setup.md
@@ -14,7 +14,7 @@ SkyWalking's backend distribution package consists of the 
following parts:
 
 ## Requirements and default settings
 
-Requirement: **JDK8 to JDK17 are tested**. Other versions are not tested and 
may or may not work.
+Requirement: **JDK11 to JDK17 are tested**. Other versions are not tested and 
may or may not work.
 
 Before you begin, you should understand that the main purpose of the following 
quickstart is to help you obtain a basic configuration for previews/demos. 
Performance and long-term running are **NOT** among the purposes of the 
quickstart.
 
diff --git 
a/oap-server/server-alarm-plugin/src/main/java/org/apache/skywalking/oap/server/core/alarm/provider/feishu/FeishuHookCallback.java
 
b/oap-server/server-alarm-plugin/src/main/java/org/apache/skywalking/oap/server/core/alarm/provider/feishu/FeishuHookCallback.java
index 1ae4eb6ea2..8374a5e65c 100644
--- 
a/oap-server/server-alarm-plugin/src/main/java/org/apache/skywalking/oap/server/core/alarm/provider/feishu/FeishuHookCallback.java
+++ 
b/oap-server/server-alarm-plugin/src/main/java/org/apache/skywalking/oap/server/core/alarm/provider/feishu/FeishuHookCallback.java
@@ -34,10 +34,11 @@ import org.apache.http.entity.StringEntity;
 import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.impl.client.HttpClients;
 import org.apache.http.util.EntityUtils;
-import org.apache.skywalking.oap.server.library.util.StringUtil;
 import org.apache.skywalking.oap.server.core.alarm.AlarmCallback;
 import org.apache.skywalking.oap.server.core.alarm.AlarmMessage;
 import org.apache.skywalking.oap.server.core.alarm.provider.AlarmRulesWatcher;
+import org.apache.skywalking.oap.server.library.util.StringUtil;
+
 import javax.crypto.Mac;
 import javax.crypto.spec.SecretKeySpec;
 import java.io.IOException;
diff --git 
a/oap-server/server-cluster-plugin/cluster-consul-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/consul/ITClusterModuleConsulProviderFunctionalTest.java
 
b/oap-server/server-cluster-plugin/cluster-consul-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/consul/ClusterModuleConsulProviderFunctionalIT.java
similarity index 99%
rename from 
oap-server/server-cluster-plugin/cluster-consul-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/consul/ITClusterModuleConsulProviderFunctionalTest.java
rename to 
oap-server/server-cluster-plugin/cluster-consul-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/consul/ClusterModuleConsulProviderFunctionalIT.java
index f815e94d42..7905979c6b 100644
--- 
a/oap-server/server-cluster-plugin/cluster-consul-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/consul/ITClusterModuleConsulProviderFunctionalTest.java
+++ 
b/oap-server/server-cluster-plugin/cluster-consul-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/consul/ClusterModuleConsulProviderFunctionalIT.java
@@ -58,7 +58,7 @@ import static org.junit.jupiter.api.Assertions.assertTrue;
 
 @Testcontainers
 @ExtendWith(MockitoExtension.class)
-public class ITClusterModuleConsulProviderFunctionalTest {
+public class ClusterModuleConsulProviderFunctionalIT {
 
     private String consulAddress;
 
@@ -333,7 +333,7 @@ public class ITClusterModuleConsulProviderFunctionalTest {
         assertTrue(otherExist);
     }
 
-    class ClusterMockWatcher implements ClusterWatcher {
+    static class ClusterMockWatcher implements ClusterWatcher {
         @Getter
         private List<RemoteInstance> remoteInstances = new ArrayList<>();
 
diff --git 
a/oap-server/server-cluster-plugin/cluster-etcd-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/etcd/ITClusterEtcdPluginTest.java
 
b/oap-server/server-cluster-plugin/cluster-etcd-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/etcd/ClusterEtcdPluginIT.java
similarity index 99%
rename from 
oap-server/server-cluster-plugin/cluster-etcd-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/etcd/ITClusterEtcdPluginTest.java
rename to 
oap-server/server-cluster-plugin/cluster-etcd-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/etcd/ClusterEtcdPluginIT.java
index 7f929db384..c2c36c40ed 100644
--- 
a/oap-server/server-cluster-plugin/cluster-etcd-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/etcd/ITClusterEtcdPluginTest.java
+++ 
b/oap-server/server-cluster-plugin/cluster-etcd-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/etcd/ClusterEtcdPluginIT.java
@@ -47,7 +47,7 @@ import static org.mockito.Mockito.mock;
 
 @Slf4j
 @Testcontainers
-public class ITClusterEtcdPluginTest {
+public class ClusterEtcdPluginIT {
     private ClusterModuleEtcdConfig etcdConfig;
 
     private Client client;
diff --git 
a/oap-server/server-cluster-plugin/cluster-etcd-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/etcd/ITClusterModuleEtcdProviderFunctionalTest.java
 
b/oap-server/server-cluster-plugin/cluster-etcd-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/etcd/ClusterModuleEtcdProviderFunctionalIT.java
similarity index 99%
rename from 
oap-server/server-cluster-plugin/cluster-etcd-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/etcd/ITClusterModuleEtcdProviderFunctionalTest.java
rename to 
oap-server/server-cluster-plugin/cluster-etcd-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/etcd/ClusterModuleEtcdProviderFunctionalIT.java
index 2b89dc3d48..a838de9523 100644
--- 
a/oap-server/server-cluster-plugin/cluster-etcd-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/etcd/ITClusterModuleEtcdProviderFunctionalTest.java
+++ 
b/oap-server/server-cluster-plugin/cluster-etcd-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/etcd/ClusterModuleEtcdProviderFunctionalIT.java
@@ -53,7 +53,7 @@ import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.mockito.Mockito.mock;
 
 @Testcontainers
-public class ITClusterModuleEtcdProviderFunctionalTest {
+public class ClusterModuleEtcdProviderFunctionalIT {
 
     private String endpoint;
     private NoneTelemetryProvider telemetryProvider;
@@ -322,7 +322,7 @@ public class ITClusterModuleEtcdProviderFunctionalTest {
         assertTrue(otherExist);
     }
 
-    class ClusterMockWatcher implements ClusterWatcher {
+    static class ClusterMockWatcher implements ClusterWatcher {
         @Getter
         private List<RemoteInstance> remoteInstances = new ArrayList<>();
 
diff --git 
a/oap-server/server-cluster-plugin/cluster-nacos-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/nacos/ITClusterModuleNacosProviderFunctionalTest.java
 
b/oap-server/server-cluster-plugin/cluster-nacos-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/nacos/ClusterModuleNacosProviderFunctionalIT.java
similarity index 99%
rename from 
oap-server/server-cluster-plugin/cluster-nacos-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/nacos/ITClusterModuleNacosProviderFunctionalTest.java
rename to 
oap-server/server-cluster-plugin/cluster-nacos-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/nacos/ClusterModuleNacosProviderFunctionalIT.java
index 944ca6e693..0c82fae730 100644
--- 
a/oap-server/server-cluster-plugin/cluster-nacos-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/nacos/ITClusterModuleNacosProviderFunctionalTest.java
+++ 
b/oap-server/server-cluster-plugin/cluster-nacos-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/nacos/ClusterModuleNacosProviderFunctionalIT.java
@@ -56,7 +56,7 @@ import static org.junit.jupiter.api.Assertions.assertTrue;
 
 @Testcontainers
 @ExtendWith(MockitoExtension.class)
-public class ITClusterModuleNacosProviderFunctionalTest {
+public class ClusterModuleNacosProviderFunctionalIT {
 
     private String nacosAddress;
     private final String username = "nacos";
@@ -335,7 +335,7 @@ public class ITClusterModuleNacosProviderFunctionalTest {
         assertTrue(otherExist);
     }
 
-    class ClusterMockWatcher implements ClusterWatcher {
+    static class ClusterMockWatcher implements ClusterWatcher {
         @Getter
         private List<RemoteInstance> remoteInstances = new ArrayList<>();
 
diff --git 
a/oap-server/server-cluster-plugin/cluster-zookeeper-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/zookeeper/ITClusterModuleZookeeperProviderFunctionalTest.java
 
b/oap-server/server-cluster-plugin/cluster-zookeeper-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/zookeeper/ClusterModuleZookeeperProviderFunctionalIT.java
similarity index 97%
rename from 
oap-server/server-cluster-plugin/cluster-zookeeper-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/zookeeper/ITClusterModuleZookeeperProviderFunctionalTest.java
rename to 
oap-server/server-cluster-plugin/cluster-zookeeper-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/zookeeper/ClusterModuleZookeeperProviderFunctionalIT.java
index 36a3a89436..9270eb1f01 100644
--- 
a/oap-server/server-cluster-plugin/cluster-zookeeper-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/zookeeper/ITClusterModuleZookeeperProviderFunctionalTest.java
+++ 
b/oap-server/server-cluster-plugin/cluster-zookeeper-plugin/src/test/java/org/apache/skywalking/oap/server/cluster/plugin/zookeeper/ClusterModuleZookeeperProviderFunctionalIT.java
@@ -22,7 +22,6 @@ import lombok.Getter;
 import org.apache.curator.x.discovery.ServiceDiscovery;
 import org.apache.skywalking.oap.server.core.cluster.ClusterCoordinator;
 import org.apache.skywalking.oap.server.core.cluster.ClusterNodesQuery;
-import org.apache.skywalking.oap.server.core.cluster.ClusterRegister;
 import org.apache.skywalking.oap.server.core.cluster.ClusterWatcher;
 import org.apache.skywalking.oap.server.core.cluster.RemoteInstance;
 import org.apache.skywalking.oap.server.core.remote.client.Address;
@@ -56,7 +55,7 @@ import static org.junit.jupiter.api.Assertions.assertTrue;
 
 @Testcontainers
 @ExtendWith(MockitoExtension.class)
-public class ITClusterModuleZookeeperProviderFunctionalTest {
+public class ClusterModuleZookeeperProviderFunctionalIT {
 
     private String zkAddress;
 
@@ -258,10 +257,6 @@ public class 
ITClusterModuleZookeeperProviderFunctionalTest {
         return provider;
     }
 
-    private ClusterRegister getClusterRegister(ModuleProvider provider) {
-        return provider.getService(ClusterRegister.class);
-    }
-
     private ClusterCoordinator getClusterCoordinator(ModuleProvider provider) {
         return provider.getService(ClusterCoordinator.class);
     }
@@ -325,7 +320,7 @@ public class ITClusterModuleZookeeperProviderFunctionalTest 
{
         assertTrue(otherExist);
     }
 
-    class ClusterMockWatcher implements ClusterWatcher {
+    static class ClusterMockWatcher implements ClusterWatcher {
         @Getter
         private List<RemoteInstance> remoteInstances = new ArrayList<>();
 
diff --git 
a/oap-server/server-configuration/configuration-apollo/src/test/java/org/apache/skywalking/oap/server/configuration/apollo/ITApolloConfigurationTest.java
 
b/oap-server/server-configuration/configuration-apollo/src/test/java/org/apache/skywalking/oap/server/configuration/apollo/ApolloConfigurationIT.java
similarity index 99%
rename from 
oap-server/server-configuration/configuration-apollo/src/test/java/org/apache/skywalking/oap/server/configuration/apollo/ITApolloConfigurationTest.java
rename to 
oap-server/server-configuration/configuration-apollo/src/test/java/org/apache/skywalking/oap/server/configuration/apollo/ApolloConfigurationIT.java
index 4c17f2ebaa..fabc664109 100644
--- 
a/oap-server/server-configuration/configuration-apollo/src/test/java/org/apache/skywalking/oap/server/configuration/apollo/ITApolloConfigurationTest.java
+++ 
b/oap-server/server-configuration/configuration-apollo/src/test/java/org/apache/skywalking/oap/server/configuration/apollo/ApolloConfigurationIT.java
@@ -57,7 +57,7 @@ import static org.junit.jupiter.api.Assertions.fail;
 
 @Slf4j
 @Testcontainers
-public class ITApolloConfigurationTest {
+public class ApolloConfigurationIT {
     private final Yaml yaml = new Yaml();
     private final String token = "f71f002a4ff9845639ef655ee7019759e31449de";
     private final CloseableHttpClient httpClient = HttpClients.createDefault();
@@ -68,7 +68,7 @@ public class ITApolloConfigurationTest {
 
     @Container
     public final static DockerComposeContainer<?> ENVIRONMENT =
-        new DockerComposeContainer<>(new File(ITApolloConfigurationTest.class
+        new DockerComposeContainer<>(new File(ApolloConfigurationIT.class
                                                 .getClassLoader()
                                                 
.getResource("docker/docker-compose.yaml").getPath()))
             .withExposedService("apollo-config-and-portal", 8080,
diff --git 
a/oap-server/server-configuration/configuration-consul/src/test/java/org/apache/skywalking/oap/server/configuration/consul/ITConsulConfigurationTest.java
 
b/oap-server/server-configuration/configuration-consul/src/test/java/org/apache/skywalking/oap/server/configuration/consul/ConsulConfigurationIT.java
similarity index 99%
rename from 
oap-server/server-configuration/configuration-consul/src/test/java/org/apache/skywalking/oap/server/configuration/consul/ITConsulConfigurationTest.java
rename to 
oap-server/server-configuration/configuration-consul/src/test/java/org/apache/skywalking/oap/server/configuration/consul/ConsulConfigurationIT.java
index 31cae8e141..0c7d7b801c 100644
--- 
a/oap-server/server-configuration/configuration-consul/src/test/java/org/apache/skywalking/oap/server/configuration/consul/ITConsulConfigurationTest.java
+++ 
b/oap-server/server-configuration/configuration-consul/src/test/java/org/apache/skywalking/oap/server/configuration/consul/ConsulConfigurationIT.java
@@ -47,7 +47,7 @@ import static org.junit.jupiter.api.Assertions.assertNull;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
 @Testcontainers
-public class ITConsulConfigurationTest {
+public class ConsulConfigurationIT {
     private final Yaml yaml = new Yaml();
 
     private ConsulConfigurationTestProvider provider;
diff --git 
a/oap-server/server-configuration/configuration-etcd/src/test/java/org/apache/skywalking/oap/server/configuration/etcd/ITEtcdConfigurationTest.java
 
b/oap-server/server-configuration/configuration-etcd/src/test/java/org/apache/skywalking/oap/server/configuration/etcd/EtcdConfigurationIT.java
similarity index 99%
rename from 
oap-server/server-configuration/configuration-etcd/src/test/java/org/apache/skywalking/oap/server/configuration/etcd/ITEtcdConfigurationTest.java
rename to 
oap-server/server-configuration/configuration-etcd/src/test/java/org/apache/skywalking/oap/server/configuration/etcd/EtcdConfigurationIT.java
index cba2e62092..f10a18f59c 100644
--- 
a/oap-server/server-configuration/configuration-etcd/src/test/java/org/apache/skywalking/oap/server/configuration/etcd/ITEtcdConfigurationTest.java
+++ 
b/oap-server/server-configuration/configuration-etcd/src/test/java/org/apache/skywalking/oap/server/configuration/etcd/EtcdConfigurationIT.java
@@ -51,7 +51,7 @@ import static org.junit.jupiter.api.Assertions.assertNull;
 
 @Slf4j
 @Testcontainers
-public class ITEtcdConfigurationTest {
+public class EtcdConfigurationIT {
     @Container
     public final GenericContainer<?> container =
         new 
GenericContainer<>(DockerImageName.parse("quay.io/coreos/etcd:v3.5.0"))
diff --git 
a/oap-server/server-configuration/configuration-nacos/src/test/java/org/apache/skywalking/oap/server/configuration/nacos/ITNacosConfigurationTest.java
 
b/oap-server/server-configuration/configuration-nacos/src/test/java/org/apache/skywalking/oap/server/configuration/nacos/NacosConfigurationIT.java
similarity index 99%
rename from 
oap-server/server-configuration/configuration-nacos/src/test/java/org/apache/skywalking/oap/server/configuration/nacos/ITNacosConfigurationTest.java
rename to 
oap-server/server-configuration/configuration-nacos/src/test/java/org/apache/skywalking/oap/server/configuration/nacos/NacosConfigurationIT.java
index 44d483fe77..55d973d36a 100644
--- 
a/oap-server/server-configuration/configuration-nacos/src/test/java/org/apache/skywalking/oap/server/configuration/nacos/ITNacosConfigurationTest.java
+++ 
b/oap-server/server-configuration/configuration-nacos/src/test/java/org/apache/skywalking/oap/server/configuration/nacos/NacosConfigurationIT.java
@@ -50,7 +50,7 @@ import static org.junit.jupiter.api.Assertions.assertTrue;
 
 @Slf4j
 @Testcontainers
-public class ITNacosConfigurationTest {
+public class NacosConfigurationIT {
     private final Yaml yaml = new Yaml();
 
     private NacosConfigurationTestProvider provider;
diff --git 
a/oap-server/server-configuration/configuration-zookeeper/src/test/java/org/apache/skywalking/oap/server/configuration/zookeeper/it/ITZookeeperConfigurationTest.java
 
b/oap-server/server-configuration/configuration-zookeeper/src/test/java/org/apache/skywalking/oap/server/configuration/zookeeper/it/ZookeeperConfigurationIT.java
similarity index 99%
rename from 
oap-server/server-configuration/configuration-zookeeper/src/test/java/org/apache/skywalking/oap/server/configuration/zookeeper/it/ITZookeeperConfigurationTest.java
rename to 
oap-server/server-configuration/configuration-zookeeper/src/test/java/org/apache/skywalking/oap/server/configuration/zookeeper/it/ZookeeperConfigurationIT.java
index 745b8827e4..234f38647b 100644
--- 
a/oap-server/server-configuration/configuration-zookeeper/src/test/java/org/apache/skywalking/oap/server/configuration/zookeeper/it/ITZookeeperConfigurationTest.java
+++ 
b/oap-server/server-configuration/configuration-zookeeper/src/test/java/org/apache/skywalking/oap/server/configuration/zookeeper/it/ZookeeperConfigurationIT.java
@@ -50,7 +50,7 @@ import static org.junit.jupiter.api.Assertions.assertTrue;
 
 @Slf4j
 @Testcontainers
-public class ITZookeeperConfigurationTest {
+public class ZookeeperConfigurationIT {
     private final Yaml yaml = new Yaml();
 
     private MockZookeeperConfigurationProvider provider;
diff --git 
a/oap-server/server-library/library-client/src/test/java/org/apache/skywalking/library/elasticsearch/bulk/ITElasticSearch.java
 
b/oap-server/server-library/library-client/src/test/java/org/apache/skywalking/library/elasticsearch/bulk/ElasticSearchIT.java
similarity index 99%
rename from 
oap-server/server-library/library-client/src/test/java/org/apache/skywalking/library/elasticsearch/bulk/ITElasticSearch.java
rename to 
oap-server/server-library/library-client/src/test/java/org/apache/skywalking/library/elasticsearch/bulk/ElasticSearchIT.java
index dbfb825166..a2ebcc79f9 100644
--- 
a/oap-server/server-library/library-client/src/test/java/org/apache/skywalking/library/elasticsearch/bulk/ITElasticSearch.java
+++ 
b/oap-server/server-library/library-client/src/test/java/org/apache/skywalking/library/elasticsearch/bulk/ElasticSearchIT.java
@@ -44,7 +44,7 @@ import java.util.Optional;
 import java.util.function.Function;
 
 @Slf4j
-public class ITElasticSearch {
+public class ElasticSearchIT {
 
     public static Collection<Object[]> versions() {
         // noinspection resource
diff --git 
a/oap-server/server-library/library-elasticsearch-client/src/test/java/org/apache/skywalking/library/elasticsearch/TCITElasticSearch.java
 
b/oap-server/server-library/library-elasticsearch-client/src/test/java/org/apache/skywalking/library/elasticsearch/ElasticSearchIT.java
similarity index 99%
rename from 
oap-server/server-library/library-elasticsearch-client/src/test/java/org/apache/skywalking/library/elasticsearch/TCITElasticSearch.java
rename to 
oap-server/server-library/library-elasticsearch-client/src/test/java/org/apache/skywalking/library/elasticsearch/ElasticSearchIT.java
index cd9f11291f..03bcd9fec3 100644
--- 
a/oap-server/server-library/library-elasticsearch-client/src/test/java/org/apache/skywalking/library/elasticsearch/TCITElasticSearch.java
+++ 
b/oap-server/server-library/library-elasticsearch-client/src/test/java/org/apache/skywalking/library/elasticsearch/ElasticSearchIT.java
@@ -29,6 +29,7 @@ import 
org.apache.skywalking.library.elasticsearch.response.IndexTemplate;
 import org.apache.skywalking.library.elasticsearch.response.Mappings;
 import 
org.apache.skywalking.library.elasticsearch.response.search.SearchResponse;
 import org.awaitility.Duration;
+import org.junit.jupiter.api.Tag;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.MethodSource;
 import org.testcontainers.elasticsearch.ElasticsearchContainer;
@@ -50,7 +51,8 @@ import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertNull;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
-public class TCITElasticSearch {
+@Tag("slow")
+public class ElasticSearchIT {
     public static Collection<Object[]> es() {
         // noinspection resource
         return Arrays.asList(new Object[][] {
diff --git 
a/oap-server/server-library/library-util/src/main/java/org/apache/skywalking/oap/server/library/util/StringUtil.java
 
b/oap-server/server-library/library-util/src/main/java/org/apache/skywalking/oap/server/library/util/StringUtil.java
index cf175f62c8..42fec5eef5 100644
--- 
a/oap-server/server-library/library-util/src/main/java/org/apache/skywalking/oap/server/library/util/StringUtil.java
+++ 
b/oap-server/server-library/library-util/src/main/java/org/apache/skywalking/oap/server/library/util/StringUtil.java
@@ -18,8 +18,6 @@
 
 package org.apache.skywalking.oap.server.library.util;
 
-import java.util.function.Consumer;
-
 public final class StringUtil {
     public static boolean isEmpty(String str) {
         return str == null || str.length() == 0;
@@ -37,12 +35,6 @@ public final class StringUtil {
         return !isBlank(str);
     }
 
-    public static void setIfPresent(String value, Consumer<String> setter) {
-        if (isNotEmpty(value)) {
-            setter.accept(value);
-        }
-    }
-
     public static String join(final char delimiter, final String... strings) {
         if (strings.length == 0) {
             return null;
diff --git 
a/oap-server/server-storage-plugin/storage-shardingsphere-plugin/src/test/java/org/apache/skywalking/oap/server/storage/plugin/jdbc/shardingsphere/TCITShardingSphere.java
 
b/oap-server/server-storage-plugin/storage-shardingsphere-plugin/src/test/java/org/apache/skywalking/oap/server/storage/plugin/jdbc/shardingsphere/ShardingSphereIT.java
similarity index 99%
rename from 
oap-server/server-storage-plugin/storage-shardingsphere-plugin/src/test/java/org/apache/skywalking/oap/server/storage/plugin/jdbc/shardingsphere/TCITShardingSphere.java
rename to 
oap-server/server-storage-plugin/storage-shardingsphere-plugin/src/test/java/org/apache/skywalking/oap/server/storage/plugin/jdbc/shardingsphere/ShardingSphereIT.java
index 8f413c1740..7b1cc7743b 100644
--- 
a/oap-server/server-storage-plugin/storage-shardingsphere-plugin/src/test/java/org/apache/skywalking/oap/server/storage/plugin/jdbc/shardingsphere/TCITShardingSphere.java
+++ 
b/oap-server/server-storage-plugin/storage-shardingsphere-plugin/src/test/java/org/apache/skywalking/oap/server/storage/plugin/jdbc/shardingsphere/ShardingSphereIT.java
@@ -102,7 +102,8 @@ import static org.mockito.Mockito.mockStatic;
 import static org.mockito.Mockito.when;
 
 @Slf4j
-public class TCITShardingSphere {
[email protected]("slow")
+public class ShardingSphereIT {
     private static MockedStatic<DefaultScopeDefine> 
DEFAULT_SCOPE_DEFINE_MOCKED_STATIC;
 
     @BeforeAll
@@ -158,7 +159,7 @@ public class TCITShardingSphere {
     }
 
     private void startEnv(String version, String dockerComposeName, int 
dsServicePort) {
-        environment = new DockerComposeContainer<>(new 
File(TCITShardingSphere.class
+        environment = new DockerComposeContainer<>(new 
File(ShardingSphereIT.class
                                                                 
.getClassLoader()
                                                                 
.getResource(dockerComposeName).getPath()))
             .withExposedService("sharding-proxy", 3307,
diff --git a/pom.xml b/pom.xml
index c82329e801..946cda7caf 100755
--- a/pom.xml
+++ b/pom.xml
@@ -147,8 +147,8 @@
 
     <properties>
         <!-- Built in properties -->
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 
         <powermock.version>2.0.9</powermock.version>
@@ -180,6 +180,7 @@
         <antlr.version>4.9.2</antlr.version>
 
         <!-- Plugin versions -->
+        <maven-failsafe-plugin.version>3.0.0-M8</maven-failsafe-plugin.version>
         <takari-maven-plugin.version>0.6.1</takari-maven-plugin.version>
         <exec-maven-plugin.version>1.6.0</exec-maven-plugin.version>
         
<build-helper-maven-plugin.version>3.2.0</build-helper-maven-plugin.version>
@@ -189,7 +190,7 @@
         <assertj-core.version>3.20.2</assertj-core.version>
 
         <skipUTs>false</skipUTs>
-        <skipITs>true</skipITs>
+
         <system-stubs.version>2.0.2</system-stubs.version>
     </properties>
 
@@ -333,20 +334,12 @@
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-failsafe-plugin</artifactId>
                     <configuration>
-                        <skip>${skipITs}</skip>
-                        <!--
-                            Exclude time-consuming tests and run those tests 
separately in skywalking.yaml.
-                            TCIT means Time Consuming Integration Test.
-                        -->
-                        <excludes>
-                            <exclude>**/TCIT*.java</exclude>
-                        </excludes>
+                        <argLine>--add-opens 
java.base/java.lang=ALL-UNNAMED</argLine>
                     </configuration>
                     <executions>
                         <execution>
                             <goals>
                                 <goal>integration-test</goal>
-                                <goal>verify</goal>
                             </goals>
                         </execution>
                     </executions>
@@ -360,18 +353,15 @@
                 <!--
                     maven-surefire-plugin will exclude integration tests (ITs)
                     and leave them for maven-failsafe-plugin to run, which is 
bound to the `verify` goal.
-                    If you want to run the ITs please set the property skipITs 
to false (-DskipITs=false),
-                    e.g. you want to run the ITs in oap-server, run `./mvnw 
-Pbackend clean verify -DskipITs=false`
+                    If you want to run the ITs please run ./mvnw 
integration-test,
+                    e.g. you want to run the ITs in oap-server, run `./mvnw 
-Pbackend clean integration-test`
                  -->
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-surefire-plugin</artifactId>
                     <configuration>
                         <skip>${skipUTs}</skip>
-                        <excludes>
-                            <exclude>IT*.class</exclude>
-                            <exclude>ShardingIntegrationTest.class</exclude>
-                        </excludes>
+                        <argLine>--add-opens 
java.base/java.lang=ALL-UNNAMED</argLine>
                     </configuration>
                 </plugin>
 
@@ -397,6 +387,7 @@
                 </executions>
             </plugin>
             <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-enforcer-plugin</artifactId>
                 <executions>
                     <execution>
@@ -408,8 +399,7 @@
                         <configuration>
                             <rules>
                                 <requireJavaVersion>
-                                    <!-- Build has not yet been updated for 
Java 9+ -->
-                                    <version>1.8</version>
+                                    <version>11</version>
                                 </requireJavaVersion>
                             </rules>
                         </configuration>
@@ -421,6 +411,7 @@
                 <artifactId>maven-failsafe-plugin</artifactId>
             </plugin>
             <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-source-plugin</artifactId>
                 <executions>
                     <execution>
@@ -432,6 +423,7 @@
                 </executions>
             </plugin>
             <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-checkstyle-plugin</artifactId>
                 <version>${maven-checkstyle-plugin.version}</version>
                 <configuration>


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