--- tomcat/java/org/apache/coyote/http2/Http2UpgradeHandler.java	2019/02/01 10:28:30	1852704
+++ tomcat/java/org/apache/coyote/http2/Http2UpgradeHandler.java	2019/02/01 10:28:34	1852705
@@ -335,7 +335,9 @@
                     }
 
                     if (overheadCount.get() > 0) {
-                        throw new ConnectionException("Too much overhead", Http2Error.ENHANCE_YOUR_CALM);
+                        throw new ConnectionException(
+                                sm.getString("upgradeHandler.tooMuchOverhead", connectionId),
+                                Http2Error.ENHANCE_YOUR_CALM);
                     }
 
                     if (activeRemoteStreamCount.get() == 0) {
--- tomcat/java/org/apache/coyote/http2/LocalStrings.properties	2019/02/01 10:28:30	1852704
+++ tomcat/java/org/apache/coyote/http2/LocalStrings.properties	2019/02/01 10:28:34	1852705
@@ -141,6 +141,7 @@
 upgradeHandler.stream.notWritable=Connection [{0}], Stream [{1}], This stream is not writable
 upgradeHandler.stream.old=A new remote stream ID of [{0}] was requested but the most recent stream was [{1}]
 upgradeHandler.tooManyRemoteStreams=The client attempted to use more than [{0}] active streams
+upgradeHandler.tooMuchOverhead=Connection [{0}], Too much overhead so the connection will be closed
 upgradeHandler.unexpectedAck=Connection [{0}], Stream [{1}], A settings acknowledgement was received when not expected
 upgradeHandler.unexpectedEos=Unexpected end of stream
 upgradeHandler.upgrade=Connection [{0}], HTTP/1.1 upgrade to stream [1]