diff --git a/core/src/main/java/hudson/Functions.java b/core/src/main/java/hudson/Functions.java
index e3ef07269cb9aa519b01f5bea659045a9d4376e1..f0523fb29f950fc3ac920edc5ea6e6fb62dc785f 100644
--- a/core/src/main/java/hudson/Functions.java
+++ b/core/src/main/java/hudson/Functions.java
@@ -41,6 +41,7 @@ import org.kohsuke.stapler.Ancestor;
 import org.kohsuke.stapler.Stapler;
 import org.kohsuke.stapler.StaplerRequest;
 import org.kohsuke.stapler.StaplerResponse;
+import org.jvnet.animal_sniffer.IgnoreJRERequirement;
 
 import javax.servlet.ServletException;
 import javax.servlet.http.Cookie;
@@ -631,6 +632,7 @@ public class Functions {
         return Thread.getAllStackTraces();
     }
 
+    @IgnoreJRERequirement
     public static ThreadInfo[] getThreadInfos() {
         ThreadMXBean mbean = ManagementFactory.getThreadMXBean();
         return mbean.getThreadInfo(mbean.getAllThreadIds(),mbean.isObjectMonitorUsageSupported(),mbean.isSynchronizerUsageSupported());
@@ -639,6 +641,7 @@ public class Functions {
     /**
      * Are we running on JRE6 or above?
      */
+    @IgnoreJRERequirement
     public static boolean isMustangOrAbove() {
         try {
             System.console();
@@ -649,6 +652,7 @@ public class Functions {
     }
 
     // ThreadInfo.toString() truncates the stack trace by first 8, so needed my own version
+    @IgnoreJRERequirement
     public static String dumpThreadInfo(ThreadInfo ti) {
         StringBuilder sb = new StringBuilder("\"" + ti.getThreadName() + "\"" +
                                              " Id=" + ti.getThreadId() + " " +
diff --git a/core/src/main/java/hudson/Util.java b/core/src/main/java/hudson/Util.java
index 605a87bef245ddf8c5c4d4dc5bddc1e798500f54..240e93425a5050f5f91299a166ddc9217c8a2fe3 100644
--- a/core/src/main/java/hudson/Util.java
+++ b/core/src/main/java/hudson/Util.java
@@ -14,6 +14,7 @@ import org.apache.tools.ant.taskdefs.Chmod;
 import org.apache.tools.ant.taskdefs.Copy;
 import org.apache.commons.lang.time.FastDateFormat;
 import org.kohsuke.stapler.Stapler;
+import org.jvnet.animal_sniffer.IgnoreJRERequirement;
 
 import java.io.BufferedReader;
 import java.io.ByteArrayInputStream;
@@ -206,6 +207,7 @@ public class Util {
     /**
      * Makes the given file writable.
      */
+    @IgnoreJRERequirement
     private static void makeWritable(File f) {
         // try chmod. this becomes no-op if this is not Unix.
         try {
diff --git a/core/src/main/java/hudson/node_monitors/DiskSpaceMonitor.java b/core/src/main/java/hudson/node_monitors/DiskSpaceMonitor.java
index f936a9d035405f53418d7401717fa881c206f38f..2456e701c9e465baf0c623c29147a9f6ea1af3e7 100644
--- a/core/src/main/java/hudson/node_monitors/DiskSpaceMonitor.java
+++ b/core/src/main/java/hudson/node_monitors/DiskSpaceMonitor.java
@@ -7,6 +7,7 @@ import hudson.model.Computer;
 import hudson.remoting.VirtualChannel;
 import net.sf.json.JSONObject;
 import org.kohsuke.stapler.StaplerRequest;
+import org.jvnet.animal_sniffer.IgnoreJRERequirement;
 
 import java.io.File;
 import java.io.IOException;
@@ -71,6 +72,7 @@ public class DiskSpaceMonitor extends NodeMonitor {
     };
 
     private static final class GetUsableSpace implements FileCallable<Long> {
+        @IgnoreJRERequirement
         public Long invoke(File f, VirtualChannel channel) throws IOException {
             try {
                 return f.getUsableSpace();
diff --git a/core/src/main/java/hudson/util/ArgumentListBuilder.java b/core/src/main/java/hudson/util/ArgumentListBuilder.java
index 0f77a08161ab8e696e5bf798557fe5b9ba050ebc..ccd5e2ee4f04827012d397b566105faae1a27472 100644
--- a/core/src/main/java/hudson/util/ArgumentListBuilder.java
+++ b/core/src/main/java/hudson/util/ArgumentListBuilder.java
@@ -14,6 +14,8 @@ import java.io.StringReader;
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
 
+import org.jvnet.animal_sniffer.IgnoreJRERequirement;
+
 /**
  * Used to build up arguments for a process invocation.
  *
@@ -92,6 +94,14 @@ public class ArgumentListBuilder implements Serializable {
     public ArgumentListBuilder addKeyValuePairsFromPropertyString(String prefix, String properties, VariableResolver vr) throws IOException {
         if(properties==null)    return this;
 
+        for (Entry<Object,Object> entry : load(properties).entrySet()) {
+            args.add(prefix + entry.getKey() + "=" + Util.replaceMacro(entry.getValue().toString(),vr));
+        }
+        return this;
+    }
+
+    @IgnoreJRERequirement
+    private Properties load(String properties) throws IOException {
         Properties p = new Properties();
         try {
             p.load(new StringReader(properties));
@@ -101,11 +111,7 @@ public class ArgumentListBuilder implements Serializable {
             // but there's no other easy ways out it seems.
             p.load(new ByteArrayInputStream(properties.getBytes()));
         }
-
-        for (Entry<Object,Object> entry : p.entrySet()) {
-            args.add(prefix + entry.getKey() + "=" + Util.replaceMacro(entry.getValue().toString(),vr));
-        }
-        return this;
+        return p;
     }
 
     public String[] toCommandArray() {