diff --git a/core/java/android/net/EthernetManager.java b/core/java/android/net/EthernetManager.java
index f45737a66e..664b7b4089 100644
--- a/core/java/android/net/EthernetManager.java
+++ b/core/java/android/net/EthernetManager.java
@@ -87,8 +87,8 @@ public class EthernetManager {
     public IpConfiguration getConfiguration() {
         try {
             return mService.getConfiguration();
-        } catch (NullPointerException | RemoteException e) {
-            return new IpConfiguration();
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
         }
     }
 
@@ -98,7 +98,8 @@ public class EthernetManager {
     public void setConfiguration(IpConfiguration config) {
         try {
             mService.setConfiguration(config);
-        } catch (NullPointerException | RemoteException e) {
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
         }
     }
 
@@ -109,8 +110,8 @@ public class EthernetManager {
     public boolean isAvailable() {
         try {
             return mService.isAvailable();
-        } catch (NullPointerException | RemoteException e) {
-            return false;
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
         }
     }
 
@@ -127,7 +128,8 @@ public class EthernetManager {
         if (mListeners.size() == 1) {
             try {
                 mService.addListener(mServiceListener);
-            } catch (NullPointerException | RemoteException e) {
+            } catch (RemoteException e) {
+                throw e.rethrowFromSystemServer();
             }
         }
     }
@@ -145,7 +147,8 @@ public class EthernetManager {
         if (mListeners.isEmpty()) {
             try {
                 mService.removeListener(mServiceListener);
-            } catch (NullPointerException | RemoteException e) {
+            } catch (RemoteException e) {
+                throw e.rethrowFromSystemServer();
             }
         }
     }
diff --git a/core/java/android/net/nsd/NsdManager.java b/core/java/android/net/nsd/NsdManager.java
index 377ed88997..86bd502826 100644
--- a/core/java/android/net/nsd/NsdManager.java
+++ b/core/java/android/net/nsd/NsdManager.java
@@ -619,7 +619,9 @@ public final class NsdManager {
     public void setEnabled(boolean enabled) {
         try {
             mService.setEnabled(enabled);
-        } catch (RemoteException e) { }
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
     }
 
     /**
@@ -632,7 +634,7 @@ public final class NsdManager {
         try {
             return mService.getMessenger();
         } catch (RemoteException e) {
-            return null;
+            throw e.rethrowFromSystemServer();
         }
     }
 }