Index: /trunk/build.xml
===================================================================
--- /trunk/build.xml	(revision 17514)
+++ /trunk/build.xml	(revision 17515)
@@ -285,5 +285,5 @@
             <!-- Undocumented argument to ignore "Sun internal proprietary API" warning, see http://stackoverflow.com/a/13862308/2257172 -->
             <compilerarg value="-XDignore.symbol.file"/>
-            <compilerarg value="-Xplugin:ErrorProne -XepExcludedPaths:.*/parsergen/.* -Xep:ReferenceEquality:OFF -Xep:FutureReturnValueIgnored:OFF -Xep:JdkObsolete:OFF -Xep:EqualsGetClass:OFF -Xep:UndefinedEquals:OFF -Xep:BadImport:OFF -Xep:AnnotateFormatMethod:OFF" unless:set="noErrorProne"/>
+            <compilerarg value="-Xplugin:ErrorProne -XepExcludedPaths:.*/parsergen/.* -Xep:ReferenceEquality:OFF -Xep:FutureReturnValueIgnored:OFF -Xep:JdkObsolete:OFF -Xep:EqualsGetClass:OFF -Xep:UndefinedEquals:OFF -Xep:BadImport:OFF -Xep:AnnotateFormatMethod:OFF -Xep:JavaUtilDate:OFF -Xep:DoNotCallSuggester:OFF -Xep:BanSerializableRead:OFF -Xep:RestrictedApiChecker:OFF" unless:set="noErrorProne"/>
             <compilerarg line="-Xmaxwarns 1000"/>
             <classpath>
Index: /trunk/src/org/openstreetmap/josm/data/osm/NodeGraph.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/data/osm/NodeGraph.java	(revision 17514)
+++ /trunk/src/org/openstreetmap/josm/data/osm/NodeGraph.java	(revision 17515)
@@ -367,5 +367,5 @@
         TreeMap<Integer, Set<Node>> sortedMap = new TreeMap<>(Comparator.reverseOrder());
         for (Entry<Node, Integer> e : counters.entrySet()) {
-            sortedMap.computeIfAbsent(e.getValue(), LinkedHashSet::new).add(e.getKey());
+            sortedMap.computeIfAbsent(e.getValue(), x -> new LinkedHashSet<>()).add(e.getKey());
         }
         LinkedHashSet<Node> result = new LinkedHashSet<>();
Index: /trunk/tools/ivy.xml
===================================================================
--- /trunk/tools/ivy.xml	(revision 17514)
+++ /trunk/tools/ivy.xml	(revision 17515)
@@ -16,5 +16,5 @@
         <dependency org="net.java.dev.javacc" name="javacc" rev="7.0.9" conf="javacc->default"/>
         <!-- checkstyle->default -->
-        <dependency org="com.puppycrawl.tools" name="checkstyle" rev="8.35" conf="checkstyle->default"/>
+        <dependency org="com.puppycrawl.tools" name="checkstyle" rev="8.36" conf="checkstyle->default"/>
         <!-- proguard->default -->
         <dependency org="net.sf.proguard" name="proguard-anttask" rev="6.2.2" conf="proguard->default"/>
@@ -27,8 +27,8 @@
         </dependency>
         <!-- spotbugs->default -->
-        <dependency org="com.github.spotbugs" name="spotbugs" rev="4.0.1" conf="spotbugs->default"/>
-        <dependency org="com.github.spotbugs" name="spotbugs-ant" rev="4.0.1" conf="spotbugs->default"/>
+        <dependency org="com.github.spotbugs" name="spotbugs" rev="4.2.1" conf="spotbugs->default"/>
+        <dependency org="com.github.spotbugs" name="spotbugs-ant" rev="4.2.1" conf="spotbugs->default"/>
         <!-- errorprone->default -->
-        <dependency org="com.google.errorprone" name="error_prone_core" rev="2.4.0" conf="errorprone->default"/>
+        <dependency org="com.google.errorprone" name="error_prone_core" rev="2.5.1" conf="errorprone->default"/>
         <!-- errorprone->default -->
         <dependency org="com.google.errorprone" name="javac" rev="9+181-r4173-1" conf="errorprone_javac->default"/>