diff --git a/hadoop-mapreduce-project/CHANGES.txt b/hadoop-mapreduce-project/CHANGES.txt
index 1f93892fe6b..959e76e8b86 100644
--- a/hadoop-mapreduce-project/CHANGES.txt
+++ b/hadoop-mapreduce-project/CHANGES.txt
@@ -395,6 +395,9 @@ Release 2.0.5-beta - UNRELEASED
     MAPREDUCE-5226. Handling YarnRemoteException separately from IOException in
     MR App's use of AMRMProtocol after YARN-630. (Xuan Gong via vinodkv)
 
+    MAPREDUCE-4942. mapreduce.Job has a bunch of methods that throw 
+    InterruptedException so its incompatible with MR1. (rkanter via tucu)
+
 Release 2.0.4-alpha - 2013-04-25
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/JobClient.java b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/JobClient.java
index 902907447be..a4ba42f6b15 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/JobClient.java
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/JobClient.java
@@ -209,11 +209,7 @@ public class JobClient extends CLI {
      * completed.
      */
     public float mapProgress() throws IOException {
-      try {
-        return job.mapProgress();
-      } catch (InterruptedException ie) {
-        throw new IOException(ie);
-      }
+      return job.mapProgress();
     }
 
     /**
@@ -221,11 +217,7 @@ public class JobClient extends CLI {
      * completed.
      */
     public float reduceProgress() throws IOException {
-      try {
-        return job.reduceProgress();
-      } catch (InterruptedException ie) {
-        throw new IOException(ie);
-      }
+      return job.reduceProgress();
     }
 
     /**
@@ -245,33 +237,21 @@ public class JobClient extends CLI {
      * completed.
      */
     public float setupProgress() throws IOException {
-      try {
-        return job.setupProgress();
-      } catch (InterruptedException ie) {
-        throw new IOException(ie);
-      }
+      return job.setupProgress();
     }
 
     /**
      * Returns immediately whether the whole job is done yet or not.
      */
     public synchronized boolean isComplete() throws IOException {
-      try {
-        return job.isComplete();
-      } catch (InterruptedException ie) {
-        throw new IOException(ie);
-      }
+      return job.isComplete();
     }
 
     /**
      * True iff job completed successfully.
      */
     public synchronized boolean isSuccessful() throws IOException {
-      try {
-        return job.isSuccessful();
-      } catch (InterruptedException ie) {
-        throw new IOException(ie);
-      }
+      return job.isSuccessful();
     }
 
     /**
@@ -302,11 +282,7 @@ public class JobClient extends CLI {
      * Tells the service to terminate the current job.
      */
     public synchronized void killJob() throws IOException {
-      try {
-        job.killJob();
-      } catch (InterruptedException ie) {
-        throw new IOException(ie);
-      }
+      job.killJob();
     }
    
     
@@ -331,14 +307,10 @@ public class JobClient extends CLI {
      */
     public synchronized void killTask(TaskAttemptID taskId,
         boolean shouldFail) throws IOException {
-      try {
-        if (shouldFail) {
-          job.failTask(taskId);
-        } else {
-          job.killTask(taskId);
-        }
-      } catch (InterruptedException ie) {
-        throw new IOException(ie);
+      if (shouldFail) {
+        job.failTask(taskId);
+      } else {
+        job.killTask(taskId);
       }
     }
 
@@ -378,16 +350,12 @@ public class JobClient extends CLI {
      * Returns the counters for this job
      */
     public Counters getCounters() throws IOException {
-      try { 
-        Counters result = null;
-        org.apache.hadoop.mapreduce.Counters temp = job.getCounters();
-        if(temp != null) {
-          result = Counters.downgrade(temp);
-        }
-        return result;
-      } catch (InterruptedException ie) {
-        throw new IOException(ie);
+      Counters result = null;
+      org.apache.hadoop.mapreduce.Counters temp = job.getCounters();
+      if(temp != null) {
+        result = Counters.downgrade(temp);
       }
+      return result;
     }
     
     @Override
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/Job.java b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/Job.java
index 90cf660fd27..09eb8d5028e 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/Job.java
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/Job.java
@@ -296,7 +296,7 @@ public class Job extends JobContextImpl implements JobContext {
    * it, if necessary
    */
   synchronized void ensureFreshStatus() 
-      throws IOException, InterruptedException {
+      throws IOException {
     if (System.currentTimeMillis() - statustime > MAX_JOBSTATUS_AGE) {
       updateStatus();
     }
@@ -306,13 +306,18 @@ public class Job extends JobContextImpl implements JobContext {
    * immediately
    * @throws IOException
    */
-  synchronized void updateStatus() throws IOException, InterruptedException {
-    this.status = ugi.doAs(new PrivilegedExceptionAction<JobStatus>() {
-      @Override
-      public JobStatus run() throws IOException, InterruptedException {
-        return cluster.getClient().getJobStatus(status.getJobID());
-      }
-    });
+  synchronized void updateStatus() throws IOException {
+    try {
+      this.status = ugi.doAs(new PrivilegedExceptionAction<JobStatus>() {
+        @Override
+        public JobStatus run() throws IOException, InterruptedException {
+          return cluster.getClient().getJobStatus(status.getJobID());
+        }
+      });
+    }
+    catch (InterruptedException ie) {
+      throw new IOException(ie);
+    }
     if (this.status == null) {
       throw new IOException("Job status not available ");
     }
@@ -537,7 +542,7 @@ public class Job extends JobContextImpl implements JobContext {
    * @return the progress of the job's map-tasks.
    * @throws IOException
    */
-  public float mapProgress() throws IOException, InterruptedException {
+  public float mapProgress() throws IOException {
     ensureState(JobState.RUNNING);
     ensureFreshStatus();
     return status.getMapProgress();
@@ -550,7 +555,7 @@ public class Job extends JobContextImpl implements JobContext {
    * @return the progress of the job's reduce-tasks.
    * @throws IOException
    */
-  public float reduceProgress() throws IOException, InterruptedException {
+  public float reduceProgress() throws IOException {
     ensureState(JobState.RUNNING);
     ensureFreshStatus();
     return status.getReduceProgress();
@@ -576,7 +581,7 @@ public class Job extends JobContextImpl implements JobContext {
    * @return the progress of the job's setup-tasks.
    * @throws IOException
    */
-  public float setupProgress() throws IOException, InterruptedException {
+  public float setupProgress() throws IOException {
     ensureState(JobState.RUNNING);
     ensureFreshStatus();
     return status.getSetupProgress();
@@ -589,7 +594,7 @@ public class Job extends JobContextImpl implements JobContext {
    * @return <code>true</code> if the job is complete, else <code>false</code>.
    * @throws IOException
    */
-  public boolean isComplete() throws IOException, InterruptedException {
+  public boolean isComplete() throws IOException {
     ensureState(JobState.RUNNING);
     updateStatus();
     return status.isJobComplete();
@@ -601,7 +606,7 @@ public class Job extends JobContextImpl implements JobContext {
    * @return <code>true</code> if the job succeeded, else <code>false</code>.
    * @throws IOException
    */
-  public boolean isSuccessful() throws IOException, InterruptedException {
+  public boolean isSuccessful() throws IOException {
     ensureState(JobState.RUNNING);
     updateStatus();
     return status.getState() == JobStatus.State.SUCCEEDED;
@@ -613,9 +618,14 @@ public class Job extends JobContextImpl implements JobContext {
    * 
    * @throws IOException
    */
-  public void killJob() throws IOException, InterruptedException {
+  public void killJob() throws IOException {
     ensureState(JobState.RUNNING);
-    cluster.getClient().killJob(getJobID());
+    try {
+      cluster.getClient().killJob(getJobID());
+    }
+    catch (InterruptedException ie) {
+      throw new IOException(ie);
+    }
   }
 
   /**
@@ -673,7 +683,7 @@ public class Job extends JobContextImpl implements JobContext {
     try {
       return getTaskCompletionEvents(startFrom, 10);
     } catch (InterruptedException ie) {
-      throw new RuntimeException(ie);
+      throw new IOException(ie);
     }
   }
 
@@ -684,13 +694,18 @@ public class Job extends JobContextImpl implements JobContext {
    * @throws IOException
    */
   public boolean killTask(final TaskAttemptID taskId) 
-      throws IOException, InterruptedException {
+      throws IOException {
     ensureState(JobState.RUNNING);
-    return ugi.doAs(new PrivilegedExceptionAction<Boolean>() {
-      public Boolean run() throws IOException, InterruptedException {
-        return cluster.getClient().killTask(taskId, false);
-      }
-    });
+    try {
+      return ugi.doAs(new PrivilegedExceptionAction<Boolean>() {
+        public Boolean run() throws IOException, InterruptedException {
+          return cluster.getClient().killTask(taskId, false);
+        }
+      });
+    }
+    catch (InterruptedException ie) {
+      throw new IOException(ie);
+    }
   }
 
   /**
@@ -700,14 +715,19 @@ public class Job extends JobContextImpl implements JobContext {
    * @throws IOException
    */
   public boolean failTask(final TaskAttemptID taskId) 
-      throws IOException, InterruptedException {
+      throws IOException {
     ensureState(JobState.RUNNING);
-    return ugi.doAs(new PrivilegedExceptionAction<Boolean>() {
-      @Override
-      public Boolean run() throws IOException, InterruptedException {
-        return cluster.getClient().killTask(taskId, true);
-      }
-    });
+    try {
+      return ugi.doAs(new PrivilegedExceptionAction<Boolean>() {
+        @Override
+        public Boolean run() throws IOException, InterruptedException {
+          return cluster.getClient().killTask(taskId, true);
+        }
+      });
+    }
+    catch (InterruptedException ie) {
+      throw new IOException(ie);
+    }
   }
 
   /**
@@ -718,14 +738,19 @@ public class Job extends JobContextImpl implements JobContext {
    * @throws IOException
    */
   public Counters getCounters() 
-      throws IOException, InterruptedException {
+      throws IOException {
     ensureState(JobState.RUNNING);
-    return ugi.doAs(new PrivilegedExceptionAction<Counters>() {
-      @Override
-      public Counters run() throws IOException, InterruptedException {
-        return cluster.getClient().getJobCounters(getJobID());
-      }
-    });
+    try {
+      return ugi.doAs(new PrivilegedExceptionAction<Counters>() {
+        @Override
+        public Counters run() throws IOException, InterruptedException {
+          return cluster.getClient().getJobCounters(getJobID());
+        }
+      });
+    }
+    catch (InterruptedException ie) {
+      throw new IOException(ie);
+    }
   }
 
   /**
diff --git a/hadoop-tools/hadoop-gridmix/src/test/java/org/apache/hadoop/mapred/gridmix/TestGridmixSummary.java b/hadoop-tools/hadoop-gridmix/src/test/java/org/apache/hadoop/mapred/gridmix/TestGridmixSummary.java
index 2f735988b71..f8884625cbd 100644
--- a/hadoop-tools/hadoop-gridmix/src/test/java/org/apache/hadoop/mapred/gridmix/TestGridmixSummary.java
+++ b/hadoop-tools/hadoop-gridmix/src/test/java/org/apache/hadoop/mapred/gridmix/TestGridmixSummary.java
@@ -346,7 +346,7 @@ public class TestGridmixSummary {
       };
       
       @Override
-      public boolean isSuccessful() throws IOException, InterruptedException {
+      public boolean isSuccessful() throws IOException {
         if (lost) {
           throw new IOException("Test failure!");
         }