diff --git a/node-api/src/main/kotlin/net/corda/nodeapi/internal/serialization/amqp/PropertySerializers.kt b/node-api/src/main/kotlin/net/corda/nodeapi/internal/serialization/amqp/PropertySerializers.kt
index 9029dd171b..4687c1173b 100644
--- a/node-api/src/main/kotlin/net/corda/nodeapi/internal/serialization/amqp/PropertySerializers.kt
+++ b/node-api/src/main/kotlin/net/corda/nodeapi/internal/serialization/amqp/PropertySerializers.kt
@@ -34,7 +34,12 @@ class PublicPropertyReader(private val readMethod: Method?) : PropertyReader() {
             // is: https://youtrack.jetbrains.com/issue/KT-13077
             // TODO: Revisit this when Kotlin issue is fixed.
 
-            loggerFor<PropertySerializer>().error("Unexpected internal Kotlin error", e)
+            // So this used to report as an error, but given we serialise exceptions all the time it
+            // provides for very scary log files so move this to trace level
+            loggerFor<PropertySerializer>().let { logger ->
+                logger.trace("Using kotlin introspection on internal type ${this.declaringClass}")
+                logger.trace("Unexpected internal Kotlin error", e)
+            }
             return true
         }
     }
@@ -70,7 +75,13 @@ class PrivatePropertyReader(val field: Field, parentType: Type) : PropertyReader
         // This might happen for some types, e.g. kotlin.Throwable? - the root cause of the issue
         // is: https://youtrack.jetbrains.com/issue/KT-13077
         // TODO: Revisit this when Kotlin issue is fixed.
-        loggerFor<PropertySerializer>().error("Unexpected internal Kotlin error", e)
+
+        // So this used to report as an error, but given we serialise exceptions all the time it
+        // provides for very scary log files so move this to trace level
+        loggerFor<PropertySerializer>().let { logger ->
+            logger.trace("Using kotlin introspection on internal type ${field}")
+            logger.trace("Unexpected internal Kotlin error", e)
+        }
         true
     }
 }
diff --git a/node-api/src/test/kotlin/net/corda/nodeapi/internal/serialization/amqp/SerializationOutputTests.kt b/node-api/src/test/kotlin/net/corda/nodeapi/internal/serialization/amqp/SerializationOutputTests.kt
index e69a949dbd..5fc4359e88 100644
--- a/node-api/src/test/kotlin/net/corda/nodeapi/internal/serialization/amqp/SerializationOutputTests.kt
+++ b/node-api/src/test/kotlin/net/corda/nodeapi/internal/serialization/amqp/SerializationOutputTests.kt
@@ -5,6 +5,7 @@ package net.corda.nodeapi.internal.serialization.amqp
 import com.nhaarman.mockito_kotlin.doReturn
 import com.nhaarman.mockito_kotlin.whenever
 import net.corda.client.rpc.RPCException
+import net.corda.core.CordaException
 import net.corda.core.CordaRuntimeException
 import net.corda.core.contracts.*
 import net.corda.core.crypto.SecureHash
@@ -1177,5 +1178,13 @@ class SerializationOutputTests(private val compression: CordaSerializationEncodi
         PrivateAckWrapper.serialize()
     }
 
+    @Test
+    fun throwable() {
+        class TestException(message: String?, cause: Throwable?) : CordaException(message, cause)
+        val testExcp = TestException("hello", Throwable().apply { stackTrace = Thread.currentThread().stackTrace } )
+        val factory = testDefaultFactoryNoEvolution()
+        SerializationOutput(factory).serialize(testExcp)
+
+    }
 }