killbill-memoizeit

diff --git a/.idea/codeStyles/codeStyleConfig.xml b/.idea/codeStyles/codeStyleConfig.xml
new file mode 100644
index 0000000..79ee123
--- /dev/null
+++ b/.idea/codeStyles/codeStyleConfig.xml
@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
+  </state>
+</component>
\ No newline at end of file

diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
new file mode 100644
index 0000000..f8e563f
--- /dev/null
+++ b/.idea/codeStyles/Project.xml
@@ -0,0 +1,57 @@
+<component name="ProjectCodeStyleConfiguration">
+  <code_scheme name="Project" version="173">
+    <JavaCodeStyleSettings>
+      <option name="GENERATE_FINAL_LOCALS" value="true" />
+      <option name="GENERATE_FINAL_PARAMETERS" value="true" />
+      <option name="INSERT_INNER_CLASS_IMPORTS" value="true" />
+      <option name="CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND" value="999" />
+      <option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="999" />
+      <option name="PACKAGES_TO_USE_IMPORT_ON_DEMAND">
+        <value />
+      </option>
+      <option name="IMPORT_LAYOUT_TABLE">
+        <value>
+          <emptyLine />
+          <package name="java" withSubpackages="true" static="false" />
+          <emptyLine />
+          <package name="javax" withSubpackages="true" static="false" />
+          <emptyLine />
+          <package name="org" withSubpackages="true" static="false" />
+          <emptyLine />
+          <package name="com.ning" withSubpackages="true" static="false" />
+          <emptyLine />
+          <package name="" withSubpackages="true" static="false" />
+          <emptyLine />
+          <package name="" withSubpackages="true" static="true" />
+        </value>
+      </option>
+    </JavaCodeStyleSettings>
+    <XML>
+      <option name="XML_ATTRIBUTE_WRAP" value="0" />
+      <option name="XML_LEGACY_SETTINGS_IMPORTED" value="true" />
+    </XML>
+    <codeStyleSettings language="JAVA">
+      <option name="KEEP_FIRST_COLUMN_COMMENT" value="false" />
+      <option name="KEEP_BLANK_LINES_IN_DECLARATIONS" value="1" />
+      <option name="KEEP_BLANK_LINES_IN_CODE" value="1" />
+      <option name="KEEP_BLANK_LINES_BEFORE_RBRACE" value="1" />
+      <option name="BLANK_LINES_BEFORE_PACKAGE" value="1" />
+      <option name="BLANK_LINES_AFTER_CLASS_HEADER" value="1" />
+      <option name="ALIGN_MULTILINE_CHAINED_METHODS" value="true" />
+      <option name="ALIGN_MULTILINE_PARAMETERS_IN_CALLS" value="true" />
+      <option name="ALIGN_MULTILINE_BINARY_OPERATION" value="true" />
+      <option name="ALIGN_MULTILINE_ASSIGNMENT" value="true" />
+      <option name="ALIGN_MULTILINE_TERNARY_OPERATION" value="true" />
+      <option name="ALIGN_MULTILINE_THROWS_LIST" value="true" />
+      <option name="ALIGN_MULTILINE_EXTENDS_LIST" value="true" />
+      <option name="ALIGN_MULTILINE_METHOD_BRACKETS" value="true" />
+      <option name="ALIGN_MULTILINE_ARRAY_INITIALIZER_EXPRESSION" value="true" />
+      <option name="KEEP_SIMPLE_METHODS_IN_ONE_LINE" value="true" />
+      <option name="KEEP_SIMPLE_CLASSES_IN_ONE_LINE" value="true" />
+      <option name="IF_BRACE_FORCE" value="3" />
+      <option name="DOWHILE_BRACE_FORCE" value="3" />
+      <option name="WHILE_BRACE_FORCE" value="3" />
+      <option name="FOR_BRACE_FORCE" value="3" />
+    </codeStyleSettings>
+  </code_scheme>
+</component>
\ No newline at end of file

diff --git a/.idea/compiler.xml b/.idea/compiler.xml
index f66e730..cb68ce5 100644
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@@ -59,5 +59,26 @@
   </component>
   <component name="JavacSettings">
     <option name="ADDITIONAL_OPTIONS_STRING" value="-Xlint:unchecked " />
+    <option name="ADDITIONAL_OPTIONS_OVERRIDE">
+      <module name="killbill" options="" />
+      <module name="killbill-account" options="" />
+      <module name="killbill-beatrix" options="" />
+      <module name="killbill-catalog" options="" />
+      <module name="killbill-currency" options="" />
+      <module name="killbill-entitlement" options="" />
+      <module name="killbill-internal-api" options="" />
+      <module name="killbill-invoice" options="" />
+      <module name="killbill-jaxrs" options="" />
+      <module name="killbill-junction" options="" />
+      <module name="killbill-overdue" options="" />
+      <module name="killbill-payment" options="" />
+      <module name="killbill-profiles" options="" />
+      <module name="killbill-profiles-killbill" options="" />
+      <module name="killbill-profiles-killpay" options="" />
+      <module name="killbill-subscription" options="" />
+      <module name="killbill-tenant" options="" />
+      <module name="killbill-usage" options="" />
+      <module name="killbill-util" options="" />
+    </option>
   </component>
-</project>
+</project>
\ No newline at end of file

diff --git a/.idea/sqldialects.xml b/.idea/sqldialects.xml
new file mode 100644
index 0000000..56782ca
--- /dev/null
+++ b/.idea/sqldialects.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="SqlDialectMappings">
+    <file url="PROJECT" dialect="MySQL" />
+  </component>
+</project>
\ No newline at end of file

diff --git a/payment/src/main/java/org/killbill/billing/payment/bus/PaymentBusEventHandler.java b/payment/src/main/java/org/killbill/billing/payment/bus/PaymentBusEventHandler.java
index 7255944..a1a4527 100644
--- a/payment/src/main/java/org/killbill/billing/payment/bus/PaymentBusEventHandler.java
+++ b/payment/src/main/java/org/killbill/billing/payment/bus/PaymentBusEventHandler.java
@@ -117,7 +117,7 @@ public class PaymentBusEventHandler {
         } catch (final PaymentApiException e) {
             // Log as warn unless nothing left to be paid
             if (e.getCode() != ErrorCode.PAYMENT_PLUGIN_API_ABORTED.getCode()) {
-                log.warn("Failed to process invoice payment {}", e.toString());
+                log.warn("Failed to process invoice payment", e);
             }
         }
     }