diff --git a/x-pack/plugin/esql/qa/server/mixed-cluster/build.gradle b/x-pack/plugin/esql/qa/server/mixed-cluster/build.gradle
index 971eed1c6795d..c0d1605af0753 100644
--- a/x-pack/plugin/esql/qa/server/mixed-cluster/build.gradle
+++ b/x-pack/plugin/esql/qa/server/mixed-cluster/build.gradle
@@ -14,6 +14,12 @@ apply plugin: 'elasticsearch.internal-java-rest-test'
 apply plugin: 'elasticsearch.internal-yaml-rest-test'
 apply plugin: 'elasticsearch.internal-test-artifact'
 apply plugin: 'elasticsearch.bwc-test'
+apply plugin: org.elasticsearch.gradle.internal.precommit.CheckstylePrecommitPlugin
+apply plugin: org.elasticsearch.gradle.internal.precommit.ForbiddenApisPrecommitPlugin
+apply plugin: org.elasticsearch.gradle.internal.precommit.ForbiddenPatternsPrecommitPlugin
+apply plugin: org.elasticsearch.gradle.internal.precommit.FilePermissionsPrecommitPlugin
+apply plugin: org.elasticsearch.gradle.internal.precommit.LoggerUsagePrecommitPlugin
+apply plugin: org.elasticsearch.gradle.internal.precommit.TestingConventionsPrecommitPlugin
 
 restResources {
   restApi {
diff --git a/x-pack/plugin/esql/qa/server/multi-clusters/build.gradle b/x-pack/plugin/esql/qa/server/multi-clusters/build.gradle
index d80cb764ca433..a44c33f72ada4 100644
--- a/x-pack/plugin/esql/qa/server/multi-clusters/build.gradle
+++ b/x-pack/plugin/esql/qa/server/multi-clusters/build.gradle
@@ -10,6 +10,12 @@ import org.elasticsearch.gradle.testclusters.StandaloneRestIntegTestTask
 
 apply plugin: 'elasticsearch.internal-java-rest-test'
 apply plugin: 'elasticsearch.bwc-test'
+apply plugin: org.elasticsearch.gradle.internal.precommit.CheckstylePrecommitPlugin
+apply plugin: org.elasticsearch.gradle.internal.precommit.ForbiddenApisPrecommitPlugin
+apply plugin: org.elasticsearch.gradle.internal.precommit.ForbiddenPatternsPrecommitPlugin
+apply plugin: org.elasticsearch.gradle.internal.precommit.FilePermissionsPrecommitPlugin
+apply plugin: org.elasticsearch.gradle.internal.precommit.LoggerUsagePrecommitPlugin
+apply plugin: org.elasticsearch.gradle.internal.precommit.TestingConventionsPrecommitPlugin
 
 dependencies {
   javaRestTestImplementation project(xpackModule('esql:qa:testFixtures'))
diff --git a/x-pack/plugin/esql/qa/server/multi-node/build.gradle b/x-pack/plugin/esql/qa/server/multi-node/build.gradle
index 846b55a12de04..beb1efb6b890f 100644
--- a/x-pack/plugin/esql/qa/server/multi-node/build.gradle
+++ b/x-pack/plugin/esql/qa/server/multi-node/build.gradle
@@ -3,6 +3,12 @@ import org.elasticsearch.gradle.util.GradleUtils
 apply plugin: 'elasticsearch.internal-java-rest-test'
 apply plugin: 'elasticsearch.internal-yaml-rest-test'
 apply plugin: 'elasticsearch.internal-test-artifact'
+apply plugin: org.elasticsearch.gradle.internal.precommit.CheckstylePrecommitPlugin
+apply plugin: org.elasticsearch.gradle.internal.precommit.ForbiddenApisPrecommitPlugin
+apply plugin: org.elasticsearch.gradle.internal.precommit.ForbiddenPatternsPrecommitPlugin
+apply plugin: org.elasticsearch.gradle.internal.precommit.FilePermissionsPrecommitPlugin
+apply plugin: org.elasticsearch.gradle.internal.precommit.LoggerUsagePrecommitPlugin
+apply plugin: org.elasticsearch.gradle.internal.precommit.TestingConventionsPrecommitPlugin
 
 dependencies {
   javaRestTestImplementation project(xpackModule('esql:qa:testFixtures'))
diff --git a/x-pack/plugin/esql/qa/server/single-node/build.gradle b/x-pack/plugin/esql/qa/server/single-node/build.gradle
index 48880634fe348..03f2383ecfcd9 100644
--- a/x-pack/plugin/esql/qa/server/single-node/build.gradle
+++ b/x-pack/plugin/esql/qa/server/single-node/build.gradle
@@ -2,6 +2,12 @@ apply plugin: 'elasticsearch.internal-java-rest-test'
 apply plugin: 'elasticsearch.internal-yaml-rest-test'
 // Necessary to use tests in Serverless
 apply plugin: 'elasticsearch.internal-test-artifact'
+apply plugin: org.elasticsearch.gradle.internal.precommit.CheckstylePrecommitPlugin
+apply plugin: org.elasticsearch.gradle.internal.precommit.ForbiddenApisPrecommitPlugin
+apply plugin: org.elasticsearch.gradle.internal.precommit.ForbiddenPatternsPrecommitPlugin
+apply plugin: org.elasticsearch.gradle.internal.precommit.FilePermissionsPrecommitPlugin
+apply plugin: org.elasticsearch.gradle.internal.precommit.LoggerUsagePrecommitPlugin
+apply plugin: org.elasticsearch.gradle.internal.precommit.TestingConventionsPrecommitPlugin
 
 dependencies {
   javaRestTestImplementation project(xpackModule('esql:qa:testFixtures'))
diff --git a/x-pack/plugin/esql/qa/server/single-node/src/javaRestTest/java/org/elasticsearch/xpack/esql/qa/single_node/PushQueriesIT.java b/x-pack/plugin/esql/qa/server/single-node/src/javaRestTest/java/org/elasticsearch/xpack/esql/qa/single_node/PushQueriesIT.java
index 00a77a14b39ad..272f884addc4c 100644
--- a/x-pack/plugin/esql/qa/server/single-node/src/javaRestTest/java/org/elasticsearch/xpack/esql/qa/single_node/PushQueriesIT.java
+++ b/x-pack/plugin/esql/qa/server/single-node/src/javaRestTest/java/org/elasticsearch/xpack/esql/qa/single_node/PushQueriesIT.java
@@ -24,6 +24,7 @@
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 import java.util.regex.Pattern;
 
@@ -164,7 +165,7 @@ private void indexValue(String value) throws IOException {
 
         Request bulk = new Request("POST", "/_bulk");
         bulk.addParameter("refresh", "");
-        bulk.setJsonEntity(String.format("""
+        bulk.setJsonEntity(String.format(Locale.ROOT, """
             {"create":{"_index":"test"}}
             {"test":"%s"}
             """, value));
diff --git a/x-pack/plugin/esql/qa/server/single-node/src/javaRestTest/java/org/elasticsearch/xpack/esql/qa/single_node/RestEsqlIT.java b/x-pack/plugin/esql/qa/server/single-node/src/javaRestTest/java/org/elasticsearch/xpack/esql/qa/single_node/RestEsqlIT.java
index 1ea347578659c..d902f32c16c45 100644
--- a/x-pack/plugin/esql/qa/server/single-node/src/javaRestTest/java/org/elasticsearch/xpack/esql/qa/single_node/RestEsqlIT.java
+++ b/x-pack/plugin/esql/qa/server/single-node/src/javaRestTest/java/org/elasticsearch/xpack/esql/qa/single_node/RestEsqlIT.java
@@ -707,13 +707,13 @@ public void testSuggestedCast() throws IOException {
                         "default_metric": "max"
                     """;
             }
-            createIndex("index-" + type.esType(), null, """
+            createIndex("index-" + type.esType(), null, String.format(Locale.ROOT, """
                  "properties": {
                    "my_field": {
                      "type": "%s" %s
                    }
                  }
-                """.formatted(type.esType(), additionalProperties));
+                """, type.esType(), additionalProperties));
             Request doc = new Request("PUT", "index-" + type.esType() + "/_doc/1");
             doc.setJsonEntity("{\"my_field\": " + typesAndValues.get(type) + "}");
             client().performRequest(doc);
@@ -724,11 +724,11 @@ public void testSuggestedCast() throws IOException {
 
         for (int i = 0; i < listOfTypes.size(); i++) {
             for (int j = i + 1; j < listOfTypes.size(); j++) {
-                String query = """
+                String query = String.format(Locale.ROOT, """
                     {
                         "query": "FROM index-%s,index-%s | LIMIT 100 | KEEP my_field"
                     }
-                    """.formatted(listOfTypes.get(i).esType(), listOfTypes.get(j).esType());
+                    """, listOfTypes.get(i).esType(), listOfTypes.get(j).esType());
                 Request request = new Request("POST", "/_query");
                 request.setJsonEntity(query);
                 Response resp = client().performRequest(request);
@@ -749,11 +749,13 @@ public void testSuggestedCast() throws IOException {
                     )
                 );
 
-                String castedQuery = """
-                    {
-                        "query": "FROM index-%s,index-%s | LIMIT 100 | EVAL my_field = my_field::%s"
-                    }
-                    """.formatted(
+                String castedQuery = String.format(
+                    Locale.ROOT,
+                    """
+                        {
+                            "query": "FROM index-%s,index-%s | LIMIT 100 | EVAL my_field = my_field::%s"
+                        }
+                        """,
                     listOfTypes.get(i).esType(),
                     listOfTypes.get(j).esType(),
                     suggestedCast == DataType.KEYWORD ? "STRING" : suggestedCast.nameUpper()
diff --git a/x-pack/plugin/esql/qa/server/single-node/src/javaRestTest/java/org/elasticsearch/xpack/esql/qa/single_node/StoredFieldsSequentialIT.java b/x-pack/plugin/esql/qa/server/single-node/src/javaRestTest/java/org/elasticsearch/xpack/esql/qa/single_node/StoredFieldsSequentialIT.java
index 46b692b04ffe5..088fb3bbfce56 100644
--- a/x-pack/plugin/esql/qa/server/single-node/src/javaRestTest/java/org/elasticsearch/xpack/esql/qa/single_node/StoredFieldsSequentialIT.java
+++ b/x-pack/plugin/esql/qa/server/single-node/src/javaRestTest/java/org/elasticsearch/xpack/esql/qa/single_node/StoredFieldsSequentialIT.java
@@ -38,7 +38,8 @@
 import static org.elasticsearch.xpack.esql.qa.rest.RestEsqlTestCase.runEsql;
 import static org.elasticsearch.xpack.esql.qa.single_node.RestEsqlIT.commonProfile;
 import static org.elasticsearch.xpack.esql.qa.single_node.RestEsqlIT.fixTypesOnProfile;
-import static org.hamcrest.Matchers.*;
+import static org.hamcrest.Matchers.greaterThanOrEqualTo;
+import static org.hamcrest.Matchers.instanceOf;
 
 /**
  * Tests for {@code index.esql.stored_fields_sequential_proportion} which controls