Fix SpotBugs 6.2.1 compatibility by configuring tasks to ignore missing class failures (#4252)

Co-authored-by: Trask Stalnaker <[email protected]>

Author: Copilot

agent/agent-tooling/src/main/java/com/microsoft/applicationinsights/agent/internal/init/AppInsightsCertificate.java

@@ -3,7 +3,6 @@
 
 package com.microsoft.applicationinsights.agent.internal.init;
 
-import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
 import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.InputStream;
@@ -75,9 +74,6 @@ boolean isInJavaKeystore() {
     return loadedCertificates.contains(APP_INSIGHT_ROOT_CERTIFICATE);
   }
 
-  @SuppressFBWarnings(
-      value = "SECCI", // Command Injection
-      justification = "No user data is used to construct the command below")
   private String loadCertificates() {
     String keyStoreLocation = System.getProperty("java.home") + "/lib/security/cacerts";
     return executeWithoutException(

agent/agent-tooling/src/main/java/com/microsoft/applicationinsights/agent/internal/telemetry/BatchItemProcessor.java

@@ -98,7 +98,7 @@ private static final class Worker implements Runnable {
     private final long exporterTimeoutNanos;
     private final int maxPendingExports;
 
-    private long nextExportTime;
+    private volatile long nextExportTime;
 
     private final Queue<TelemetryItem> queue;
     private final int queueCapacity;

buildSrc/build.gradle.kts

@@ -8,7 +8,10 @@ plugins {
 spotless {
   java {
     googleJavaFormat()
-    licenseHeaderFile(rootProject.file("../buildscripts/spotless.license.java"), "(package|import|public)")
+    licenseHeaderFile(
+      rootProject.file("../buildscripts/spotless.license.java"),
+      "(package|import|public)"
+    )
     target("src/**/*.java")
   }
 }
@@ -28,7 +31,7 @@ dependencies {
 
   // When updating, update above in plugins too
   implementation("com.diffplug.spotless:spotless-plugin-gradle:7.1.0")
-  implementation("com.github.spotbugs.snom:spotbugs-gradle-plugin:6.1.7")
+  implementation("com.github.spotbugs.snom:spotbugs-gradle-plugin:6.2.1")
   implementation("com.gradleup.shadow:shadow-gradle-plugin:8.3.8")
 
   implementation("org.owasp:dependency-check-gradle:12.1.3")