diff --git a/application/pom.xml b/application/pom.xml
index 67b61a5737..9489c627a1 100644
--- a/application/pom.xml
+++ b/application/pom.xml
@@ -572,6 +572,29 @@
                             <outputDir>${project.build.directory}</outputDir>
                         </configuration>
                     </plugin>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-enforcer-plugin</artifactId>
+                        <executions>
+                            <execution>
+                                <id>verify-openapi-spec-generated</id>
+                                <phase>verify</phase>
+                                <goals>
+                                    <goal>enforce</goal>
+                                </goals>
+                                <configuration>
+                                    <rules>
+                                        <requireFilesExist>
+                                            <files>
+                                                <file>${project.build.directory}/openapi.json</file>
+                                            </files>
+                                            <message>OpenAPI spec was not generated — target/openapi.json is missing. The springdoc-openapi-maven-plugin logs HTTP failures but does not fail the build; scan the log above for "An error has occured" or a 5xx response from /v3/api-docs/thingsboard and fix the underlying issue (e.g. duplicate @Schema names rejected by SwaggerConfiguration).</message>
+                                        </requireFilesExist>
+                                    </rules>
+                                </configuration>
+                            </execution>
+                        </executions>
+                    </plugin>
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-surefire-plugin</artifactId>
diff --git a/pom.xml b/pom.xml
index 24262c243f..640382a9bb 100755
--- a/pom.xml
+++ b/pom.xml
@@ -98,6 +98,7 @@
         <maven-surefire-plugin.version>3.5.4</maven-surefire-plugin.version>
         <maven-install-plugin.version>3.1.4</maven-install-plugin.version>
         <maven-deploy-plugin.version>3.1.4</maven-deploy-plugin.version>
+        <maven-clean-plugin.version>3.5.0</maven-clean-plugin.version>
         <springdoc-swagger.version>2.8.8TB</springdoc-swagger.version>
         <swagger-annotations.version>2.2.30</swagger-annotations.version>
         <spatial4j.version>0.8</spatial4j.version>
@@ -918,6 +919,12 @@
                             <exclude>**/resources/lwm2m/models/**</exclude>
                             <exclude>src/main/data/resources/**</exclude>
                             <exclude>.claude/**</exclude>
+                            <exclude>**/lombok.config</exclude>
+                            <exclude>**/eslint.config.mjs</exclude>
+                            <exclude>**/config.monitoring</exclude>
+                            <exclude>**/valkey-certs/**</exclude>
+                            <exclude>**/data/certs/**</exclude>
+                            <exclude>**/*.otf</exclude>
                         </excludes>
                         <mapping>
                             <proto>JAVADOC_STYLE</proto>
@@ -970,6 +977,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-clean-plugin</artifactId>
+                <version>${maven-clean-plugin.version}</version>
                 <inherited>false</inherited>
                 <configuration>
                     <filesets>
diff --git a/tools/pom.xml b/tools/pom.xml
index ed02dbf836..39c52f3b59 100644
--- a/tools/pom.xml
+++ b/tools/pom.xml
@@ -54,6 +54,24 @@
         <dependency>
             <groupId>org.apache.cassandra</groupId>
             <artifactId>cassandra-all</artifactId>
+            <exclusions>
+                <!-- These sjk-* artifacts pull in com.jrockit.mc / com.oracle.jmc / jdk.org.netbeans
+                     system-scope dependencies with unresolved systemPath properties, which produces
+                     ERROR-level Maven warnings on every build. No ThingsBoard code imports from sjk,
+                     jmc, or netbeans profiler, so excluding them is safe. -->
+                <exclusion>
+                    <groupId>org.perfkit.sjk.parsers</groupId>
+                    <artifactId>sjk-jfr5</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>org.perfkit.sjk.parsers</groupId>
+                    <artifactId>sjk-jfr6</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>org.perfkit.sjk.parsers</groupId>
+                    <artifactId>sjk-nps</artifactId>
+                </exclusion>
+            </exclusions>
         </dependency>
         <dependency>
             <groupId>at.yawk.lz4</groupId>