diff --git a/src/solaris/native/java/net/Inet4AddressImpl.c b/src/solaris/native/java/net/Inet4AddressImpl.c
index a6f7ddc1a006a12c42e8f3dda92ea63b74f6a4cc..84f739ed50ecdebdd21272d5c4b94bc90c6db79b 100644
--- a/src/solaris/native/java/net/Inet4AddressImpl.c
+++ b/src/solaris/native/java/net/Inet4AddressImpl.c
@@ -196,7 +196,7 @@ Java_java_net_Inet4AddressImpl_lookupAllHostAddr(JNIEnv *env, jobject this,
                 struct addrinfo *next
                     = (struct addrinfo*) malloc(sizeof(struct addrinfo));
                 if (!next) {
-                    JNU_ThrowOutOfMemoryError(env, "heap allocation failed");
+                    JNU_ThrowOutOfMemoryError(env, "Native heap allocation failed");
                     ret = NULL;
                     goto cleanupAndReturn;
                 }
@@ -465,7 +465,7 @@ Java_java_net_Inet4AddressImpl_lookupAllHostAddr(JNIEnv *env, jobject this,
                 struct addrinfo *next
                     = (struct addrinfo*) malloc(sizeof(struct addrinfo));
                 if (!next) {
-                    JNU_ThrowOutOfMemoryError(env, "heap allocation failed");
+                    JNU_ThrowOutOfMemoryError(env, "Native heap allocation failed");
                     ret = NULL;
                     goto cleanupAndReturn;
                 }
diff --git a/src/solaris/native/java/net/Inet6AddressImpl.c b/src/solaris/native/java/net/Inet6AddressImpl.c
index 63addd9fb70f4895049df96eea757f68817206ac..17be097e9e3f7bce33da069a7ccd25b3511c245e 100644
--- a/src/solaris/native/java/net/Inet6AddressImpl.c
+++ b/src/solaris/native/java/net/Inet6AddressImpl.c
@@ -267,7 +267,7 @@ Java_java_net_Inet6AddressImpl_lookupAllHostAddr(JNIEnv *env, jobject this,
                 struct addrinfo *next
                     = (struct addrinfo*) malloc(sizeof(struct addrinfo));
                 if (!next) {
-                    JNU_ThrowOutOfMemoryError(env, "heap allocation failed");
+                    JNU_ThrowOutOfMemoryError(env, "Native heap allocation failed");
                     ret = NULL;
                     goto cleanupAndReturn;
                 }
diff --git a/src/solaris/native/java/net/NetworkInterface.c b/src/solaris/native/java/net/NetworkInterface.c
index b952626cb824ab3d1e0f08de210982d3b06f14dc..69780f7bc165b16c4064df18d4e7279382e5b379 100644
--- a/src/solaris/native/java/net/NetworkInterface.c
+++ b/src/solaris/native/java/net/NetworkInterface.c
@@ -804,7 +804,7 @@ static netif *enumInterfaces(JNIEnv *env) {
        do{ \
         _pointer = (_type)malloc( _size ); \
         if (_pointer == NULL) { \
-            JNU_ThrowOutOfMemoryError(env, "heap allocation failed"); \
+            JNU_ThrowOutOfMemoryError(env, "Native heap allocation failed"); \
             return ifs; /* return untouched list */ \
         } \
        } while(0)
diff --git a/src/solaris/native/java/net/PlainDatagramSocketImpl.c b/src/solaris/native/java/net/PlainDatagramSocketImpl.c
index 382ec4c83bcc51b638c19681b396b9d94332b89e..a508d43e0cc4be70ad636a5825cfdb2abf8d0c79 100644
--- a/src/solaris/native/java/net/PlainDatagramSocketImpl.c
+++ b/src/solaris/native/java/net/PlainDatagramSocketImpl.c
@@ -485,7 +485,7 @@ Java_java_net_PlainDatagramSocketImpl_send(JNIEnv *env, jobject this,
         fullPacket = (char *)malloc(packetBufferLen);
 
         if (!fullPacket) {
-            JNU_ThrowOutOfMemoryError(env, "heap allocation failed");
+            JNU_ThrowOutOfMemoryError(env, "Send buffer native heap allocation failed");
             return;
         } else {
             mallocedPacket = JNI_TRUE;
@@ -714,7 +714,7 @@ Java_java_net_PlainDatagramSocketImpl_peekData(JNIEnv *env, jobject this,
         fullPacket = (char *)malloc(packetBufferLen);
 
         if (!fullPacket) {
-            JNU_ThrowOutOfMemoryError(env, "heap allocation failed");
+            JNU_ThrowOutOfMemoryError(env, "Peek buffer native heap allocation failed");
             return -1;
         } else {
             mallocedPacket = JNI_TRUE;
@@ -874,7 +874,7 @@ Java_java_net_PlainDatagramSocketImpl_receive0(JNIEnv *env, jobject this,
         fullPacket = (char *)malloc(packetBufferLen);
 
         if (!fullPacket) {
-            JNU_ThrowOutOfMemoryError(env, "heap allocation failed");
+            JNU_ThrowOutOfMemoryError(env, "Receive buffer native heap allocation failed");
             return;
         } else {
             mallocedPacket = JNI_TRUE;
diff --git a/src/windows/native/java/net/DualStackPlainDatagramSocketImpl.c b/src/windows/native/java/net/DualStackPlainDatagramSocketImpl.c
index 6521e1e5f42913bd87224851087d58b7b142adce..0077c37aaa2dcdd066e71f04e8dcd7849d4bef3f 100644
--- a/src/windows/native/java/net/DualStackPlainDatagramSocketImpl.c
+++ b/src/windows/native/java/net/DualStackPlainDatagramSocketImpl.c
@@ -265,7 +265,7 @@ JNIEXPORT jint JNICALL Java_java_net_DualStackPlainDatagramSocketImpl_socketRece
         }
         fullPacket = (char *)malloc(packetBufferLen);
         if (!fullPacket) {
-            JNU_ThrowOutOfMemoryError(env, "heap allocation failed");
+            JNU_ThrowOutOfMemoryError(env, "Native heap allocation failed");
             return -1;
         }
     } else {
@@ -427,7 +427,7 @@ JNIEXPORT void JNICALL Java_java_net_DualStackPlainDatagramSocketImpl_socketSend
         }
         fullPacket = (char *)malloc(length);
         if (!fullPacket) {
-            JNU_ThrowOutOfMemoryError(env, "heap allocation failed");
+            JNU_ThrowOutOfMemoryError(env, "Native heap allocation failed");
             return;
         }
     } else {
diff --git a/src/windows/native/java/net/Inet6AddressImpl.c b/src/windows/native/java/net/Inet6AddressImpl.c
index efdcd54662be64de5cf750f3e94fb0dd2e4675d0..b98b6411b017b3fdeb82f9853a7907de6e246656 100644
--- a/src/windows/native/java/net/Inet6AddressImpl.c
+++ b/src/windows/native/java/net/Inet6AddressImpl.c
@@ -197,7 +197,7 @@ Java_java_net_Inet6AddressImpl_lookupAllHostAddr(JNIEnv *env, jobject this,
                 struct addrinfo *next
                     = (struct addrinfo*) malloc(sizeof(struct addrinfo));
                 if (!next) {
-                    JNU_ThrowOutOfMemoryError(env, "heap allocation failed");
+                    JNU_ThrowOutOfMemoryError(env, "Native heap allocation failed");
                     ret = NULL;
                     goto cleanupAndReturn;
                 }
diff --git a/src/windows/native/java/net/NetworkInterface.c b/src/windows/native/java/net/NetworkInterface.c
index 8dbeb9250292e1ab86befad5708488609264fc21..570eac3081240924b99cecb6557916f8ff379745 100644
--- a/src/windows/native/java/net/NetworkInterface.c
+++ b/src/windows/native/java/net/NetworkInterface.c
@@ -270,7 +270,7 @@ int enumInterfaces(JNIEnv *env, netif **netifPP)
             }
         }
         if (curr == NULL) {
-            JNU_ThrowOutOfMemoryError(env, "heap allocation failure");
+            JNU_ThrowOutOfMemoryError(env, "Native heap allocation failure");
             free_netif(netifP);
             free(tableP);
             return -1;
@@ -370,7 +370,7 @@ int enumAddresses_win(JNIEnv *env, netif *netifP, netaddr **netaddrPP)
 
             netaddr *curr = (netaddr *)malloc(sizeof(netaddr));
             if (curr == NULL) {
-                JNU_ThrowOutOfMemoryError(env, "heap allocation failure");
+                JNU_ThrowOutOfMemoryError(env, "Native heap allocation failure");
                 free_netaddr(netaddrP);
                 free(tableP);
                 return -1;
diff --git a/src/windows/native/java/net/TwoStacksPlainDatagramSocketImpl.c b/src/windows/native/java/net/TwoStacksPlainDatagramSocketImpl.c
index 161017754cadf65181acbcebd61b26b0a754d331..dc6fdf41c47b39b7d83b2cc4b072e8443e19ccb9 100644
--- a/src/windows/native/java/net/TwoStacksPlainDatagramSocketImpl.c
+++ b/src/windows/native/java/net/TwoStacksPlainDatagramSocketImpl.c
@@ -243,7 +243,7 @@ jboolean exceedSizeLimit(JNIEnv *env, jint fd, jint addr, jint size)
                                 addrList = curr;
                             }
                             LeaveCriticalSection(&sizeCheckLock);
-                            JNU_ThrowOutOfMemoryError(env, "heap allocation failed");
+                            JNU_ThrowOutOfMemoryError(env, "Native heap allocation failed");
                             return JNI_TRUE;
                         }
                         curr->addr = htonl((*addrp)->S_un.S_addr);
@@ -740,7 +740,7 @@ Java_java_net_TwoStacksPlainDatagramSocketImpl_send(JNIEnv *env, jobject this,
          */
         fullPacket = (char *)malloc(packetBufferLen);
         if (!fullPacket) {
-            JNU_ThrowOutOfMemoryError(env, "heap allocation failed");
+            JNU_ThrowOutOfMemoryError(env, "Send buf native heap allocation failed");
             return;
         }
     } else {
@@ -1003,7 +1003,7 @@ Java_java_net_TwoStacksPlainDatagramSocketImpl_peekData(JNIEnv *env, jobject thi
          */
         fullPacket = (char *)malloc(packetBufferLen);
         if (!fullPacket) {
-            JNU_ThrowOutOfMemoryError(env, "heap allocation failed");
+            JNU_ThrowOutOfMemoryError(env, "Native heap allocation failed");
             return -1;
         }
     } else {
@@ -1287,7 +1287,7 @@ Java_java_net_TwoStacksPlainDatagramSocketImpl_receive0(JNIEnv *env, jobject thi
          */
         fullPacket = (char *)malloc(packetBufferLen);
         if (!fullPacket) {
-            JNU_ThrowOutOfMemoryError(env, "heap allocation failed");
+            JNU_ThrowOutOfMemoryError(env, "Receive buf native heap allocation failed");
             return;
         }
     } else {