diff --git a/findbugs-excludes.xml b/findbugs-excludes.xml
index 541e2178..39d597dd 100644
--- a/findbugs-excludes.xml
+++ b/findbugs-excludes.xml
@@ -24,7 +24,7 @@
       <Bug pattern="REC_CATCH_EXCEPTION" />
     </Match>
     <Match>
-      <Package name="ch.ethz.seb.sebserver.gui.*" />
+      <Package name="~ch\.ethz\.seb\.sebserver\.gui\..*" />
       <Bug pattern="SE_BAD_FIELD" />
     </Match>
     <Match>
@@ -32,7 +32,7 @@
       <Bug pattern="RV_RETURN_VALUE_IGNORED_NO_SIDE_EFFECT" />
     </Match>
     <Match>
-      <Package name="ch.ethz.seb.sebserver.gui.service.page.FieldValidationError" />
+      <Package name="ch.ethz.seb.sebserver.gui.service.page" />
       <Bug pattern="URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD" />
     </Match>
     
diff --git a/src/main/java/ch/ethz/seb/sebserver/gbl/model/exam/Indicator.java b/src/main/java/ch/ethz/seb/sebserver/gbl/model/exam/Indicator.java
index c0b2c8cf..280a949e 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gbl/model/exam/Indicator.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gbl/model/exam/Indicator.java
@@ -38,7 +38,7 @@ public final class Indicator implements Entity {
         ;
 
         public final String name;
-        public boolean integerValue;
+        public final boolean integerValue;
 
         private IndicatorType(final String name, final boolean integerValue) {
             this.name = name;
diff --git a/src/main/java/ch/ethz/seb/sebserver/gui/InstitutionalAuthenticationEntryPoint.java b/src/main/java/ch/ethz/seb/sebserver/gui/InstitutionalAuthenticationEntryPoint.java
index 2f87130c..d3ed1d03 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gui/InstitutionalAuthenticationEntryPoint.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gui/InstitutionalAuthenticationEntryPoint.java
@@ -85,6 +85,9 @@ final class InstitutionalAuthenticationEntryPoint implements AuthenticationEntry
 
                 _defaultLogo = FileCopyUtils.copyToString(reader);
 
+            } catch (final IOException e) {
+                log.warn("Failed to load default logo image from filesystem: {}", defaultLogoFileName);
+                _defaultLogo = null;
             } catch (final Exception e) {
                 log.warn("Failed to load default logo image from filesystem: {}", defaultLogoFileName);
                 _defaultLogo = null;
diff --git a/src/main/java/ch/ethz/seb/sebserver/gui/content/activity/ActivitiesPane.java b/src/main/java/ch/ethz/seb/sebserver/gui/content/activity/ActivitiesPane.java
index 9909e346..7bdbdc17 100644
--- a/src/main/java/ch/ethz/seb/sebserver/gui/content/activity/ActivitiesPane.java
+++ b/src/main/java/ch/ethz/seb/sebserver/gui/content/activity/ActivitiesPane.java
@@ -315,7 +315,12 @@ public class ActivitiesPane implements TemplateComposer {
                                 .create());
             }
 
-            monitoring.setExpanded(this.currentUser.get().hasAnyRole(UserRole.EXAM_SUPPORTER));
+            if (monitoring != null) {
+                monitoring.setExpanded(
+                        this.currentUser
+                                .get()
+                                .hasAnyRole(UserRole.EXAM_SUPPORTER));
+            }
         }
 
         // ---- MONITORING ---------------------------------------------------------------------