Index: source/gnu/crypto/sasl/ClientMechanism.java
===================================================================
--- source.orig/gnu/crypto/sasl/ClientMechanism.java
+++ source/gnu/crypto/sasl/ClientMechanism.java
@@ -140,9 +140,9 @@ public abstract class ClientMechanism im
       return mechanism;
    }
 
-   public Object getNegotiatedProperty(final String propName) throws SaslException {
+   public Object getNegotiatedProperty(final String propName) {
       if (!isComplete()) {
-         throw new IllegalMechanismStateException();
+         throw new RuntimeException();
       }
       if (Sasl.QOP.equals(propName)) {
          return getNegotiatedQOP();
Index: source/gnu/crypto/sasl/ServerMechanism.java
===================================================================
--- source.orig/gnu/crypto/sasl/ServerMechanism.java
+++ source/gnu/crypto/sasl/ServerMechanism.java
@@ -147,9 +147,9 @@ public abstract class ServerMechanism im
       return this.authorizationID;
    }
 
-   public Object getNegotiatedProperty(final String propName) throws SaslException {
+   public Object getNegotiatedProperty(final String propName) {
       if (!isComplete()) {
-         throw new IllegalMechanismStateException();
+         throw new RuntimeException();
       }
       if (Sasl.QOP.equals(propName)) {
          return getNegotiatedQOP();