Fix warn issues of build

Author: nroduit

pom.xml

@@ -25,7 +25,7 @@
     <sonar.host.url>https://sonarcloud.io</sonar.host.url>
     <sonar.language>java</sonar.language>
     <sonar.java.source>${java-version}</sonar.java.source>
-    <sonar.test.exclusions>src/test/**/*</sonar.test.exclusions>
+    <sonar.exclusions>**/src/test/**</sonar.exclusions>
     <!--suppress UnresolvedMavenProperty -->
     <sonar.coverage.jacoco.xmlReportPaths>${maven.multiModuleProjectDirectory}/tests/target/site/jacoco-aggregate/jacoco.xml</sonar.coverage.jacoco.xmlReportPaths>
   </properties>

weasis-base/weasis-base-explorer/src/main/java/org/weasis/base/explorer/JIThumbnailCache.java

@@ -47,21 +47,14 @@ public final class JIThumbnailCache {
           queue,
           ThreadUtil.getThreadFactory("Thumbnail Cache")); // NON-NLS
 
-  private final Map<URI, ThumbnailIcon> cachedThumbnails;
-
-  public JIThumbnailCache() {
-    this.cachedThumbnails =
-        Collections.synchronizedMap(
-            new LinkedHashMap<>(80) {
-
-              private static final int MAX_ENTRIES = 100;
-
-              @Override
-              protected boolean removeEldestEntry(final Map.Entry eldest) {
-                return size() > MAX_ENTRIES;
-              }
-            });
-  }
+  private final Map<URI, ThumbnailIcon> cachedThumbnails =
+      Collections.synchronizedMap(
+          new LinkedHashMap<>(80) {
+            @Override
+            protected boolean removeEldestEntry(final Map.Entry eldest) {
+              return size() > 100;
+            }
+          });
 
   public synchronized void invalidate() {
     this.cachedThumbnails.clear();