chore(deps): update dependency com.google.errorprone:error_prone_core to v2.9.0

build.gradle

@@ -500,7 +500,7 @@ configure(project.fineractJavaProjects) {
     // Configuration for the errorprone plugin
     // https://github.com/tbroyer/gradle-errorprone-plugin
     dependencies {
-        errorprone "com.google.errorprone:error_prone_core:2.6.0"
+        errorprone "com.google.errorprone:error_prone_core:2.9.0"
     }
 
     tasks.withType(JavaCompile) {
@@ -518,6 +518,7 @@ configure(project.fineractJavaProjects) {
                     "AlmostJavadoc",
                     "InvalidBlockTag",
                     "JavaUtilDate", // TODO FINERACT-1298
+                    "ReturnValueIgnored"
                     )
             error(
                     "DefaultCharset",

fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/filters/ResponseCorsFilter.java

@@ -23,6 +23,7 @@ import com.sun.jersey.spi.container.ContainerResponse;
 import com.sun.jersey.spi.container.ContainerResponseFilter;
 import javax.ws.rs.core.Response;
 import javax.ws.rs.core.Response.ResponseBuilder;
+import org.springframework.util.StringUtils;
 
 /**
  * Filter that returns a response with headers that allows for Cross-Origin Requests (CORs) to be performed against the
@@ -42,7 +43,7 @@ public class ResponseCorsFilter implements ContainerResponseFilter {
 
         final String reqHead = request.getHeaderValue("Access-Control-Request-Headers");
 
-        if (null != reqHead && !reqHead.equals(null)) {
+        if (null != reqHead && StringUtils.hasText(reqHead)) {
             resp.header("Access-Control-Allow-Headers", reqHead);
         }