OOZIE-2918 Delete LauncherMapper and its test (asasvari via pbacsko)

Project: http://git-wip-us.apache.org/repos/asf/oozie/repo
Commit: http://git-wip-us.apache.org/repos/asf/oozie/commit/c09561ff
Tree: http://git-wip-us.apache.org/repos/asf/oozie/tree/c09561ff
Diff: http://git-wip-us.apache.org/repos/asf/oozie/diff/c09561ff

Branch: refs/heads/master
Commit: c09561ff263f38ff4ecdf81f71359ae2ae4c90d5
Parents: 79ccfdd
Author: Peter Bacsko <pbac...@cloudera.com>
Authored: Tue Jul 4 14:30:11 2017 +0200
Committer: Peter Bacsko <pbac...@cloudera.com>
Committed: Tue Jul 4 14:30:11 2017 +0200

----------------------------------------------------------------------
 .../action/hadoop/DistcpActionExecutor.java     |   2 +-
 .../oozie/action/hadoop/FsActionExecutor.java   |   2 +-
 .../oozie/action/hadoop/FsELFunctions.java      |   2 +-
 .../action/hadoop/Hive2ActionExecutor.java      |   4 +-
 .../oozie/action/hadoop/HiveActionExecutor.java |   2 +-
 .../oozie/action/hadoop/JavaActionExecutor.java |  13 +-
 .../oozie/action/hadoop/LauncherHelper.java     |  62 +-
 .../hadoop/LauncherInputFormatClassLocator.java |  84 ---
 .../action/hadoop/MapReduceActionExecutor.java  |  27 +-
 .../oozie/action/hadoop/PigActionExecutor.java  |   2 +-
 .../action/hadoop/ShellActionExecutor.java      |   2 +-
 .../action/hadoop/SparkActionExecutor.java      |   4 +-
 .../action/hadoop/SqoopActionExecutor.java      |   3 +-
 core/src/main/resources/oozie-default.xml       |   2 +-
 .../oozie/action/hadoop/LauncherMainTester.java |   2 +-
 .../oozie/action/hadoop/TestDistcpMain.java     |   6 +-
 .../action/hadoop/TestJavaActionExecutor.java   |   8 +-
 .../oozie/action/hadoop/TestLauncher.java       | 245 -------
 .../TestLauncherInputFormatClassLocator.java    |  57 --
 .../oozie/action/hadoop/TestMapReduceMain.java  |   2 +-
 .../action/hadoop/TestShellActionExecutor.java  |   2 +-
 .../oozie/service/TestConfigurationService.java |   7 +-
 release-log.txt                                 |   1 +
 .../apache/oozie/action/hadoop/DistcpMain.java  |   4 +-
 .../apache/oozie/action/hadoop/HiveMain.java    |   2 +-
 .../action/hadoop/TestHiveActionExecutor.java   |   6 +-
 .../oozie/action/hadoop/TestHiveMain.java       |  13 +-
 .../action/hadoop/FSLauncherURIHandler.java     |   2 +-
 .../apache/oozie/action/hadoop/JavaMain.java    |   2 +-
 .../apache/oozie/action/hadoop/LauncherAM.java  |   9 +-
 .../oozie/action/hadoop/LauncherAMUtils.java    | 108 +++
 .../oozie/action/hadoop/LauncherMapper.java     | 715 -------------------
 .../oozie/action/hadoop/MapReduceMain.java      |   4 +-
 .../action/hadoop/OozieLauncherInputFormat.java | 119 ---
 .../hadoop/OozieLauncherOutputCommitter.java    |   6 +-
 .../hadoop/OozieLauncherOutputFormat.java       |  48 --
 .../apache/oozie/action/hadoop/ShellMain.java   |   2 +-
 .../oozie/action/hadoop/TestLauncherAM.java     |   6 +-
 .../action/hadoop/TestLauncherAMUtils.java      | 129 ++++
 .../oozie/action/hadoop/TestLauncherMapper.java | 117 ---
 .../org/apache/oozie/action/hadoop/PigMain.java |  23 +-
 .../oozie/action/hadoop/PigMainWithOldAPI.java  |  12 +-
 .../action/hadoop/TestPigActionExecutor.java    |   2 +-
 .../apache/oozie/action/hadoop/TestPigMain.java |  15 -
 .../action/hadoop/TestPigMainWithOldAPI.java    |  18 +-
 .../apache/oozie/action/hadoop/SparkMain.java   |   4 +-
 .../apache/oozie/action/hadoop/SqoopMain.java   |   4 +-
 .../hadoop/TestMapReduceActionExecutor.java     |   4 +-
 .../oozie/action/hadoop/TestStreamingMain.java  |   2 +-
 49 files changed, 355 insertions(+), 1562 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/core/src/main/java/org/apache/oozie/action/hadoop/DistcpActionExecutor.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/org/apache/oozie/action/hadoop/DistcpActionExecutor.java 
b/core/src/main/java/org/apache/oozie/action/hadoop/DistcpActionExecutor.java
index 20f47d5..961994e 100644
--- 
a/core/src/main/java/org/apache/oozie/action/hadoop/DistcpActionExecutor.java
+++ 
b/core/src/main/java/org/apache/oozie/action/hadoop/DistcpActionExecutor.java
@@ -113,6 +113,6 @@ public class DistcpActionExecutor extends 
JavaActionExecutor{
 
     @Override
     protected String getLauncherMain(Configuration launcherConf, Element 
actionXml) {
-        return launcherConf.get(LauncherMapper.CONF_OOZIE_ACTION_MAIN_CLASS, 
CONF_OOZIE_DISTCP_ACTION_MAIN_CLASS);
+        return launcherConf.get(LauncherAMUtils.CONF_OOZIE_ACTION_MAIN_CLASS, 
CONF_OOZIE_DISTCP_ACTION_MAIN_CLASS);
     }
 }

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/core/src/main/java/org/apache/oozie/action/hadoop/FsActionExecutor.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/org/apache/oozie/action/hadoop/FsActionExecutor.java 
b/core/src/main/java/org/apache/oozie/action/hadoop/FsActionExecutor.java
index 0515db6..c2a6192 100644
--- a/core/src/main/java/org/apache/oozie/action/hadoop/FsActionExecutor.java
+++ b/core/src/main/java/org/apache/oozie/action/hadoop/FsActionExecutor.java
@@ -65,7 +65,7 @@ public class FsActionExecutor extends ActionExecutor {
 
     public FsActionExecutor() {
         super(ACTION_TYPE);
-        maxGlobCount = 
ConfigurationService.getInt(LauncherMapper.CONF_OOZIE_ACTION_FS_GLOB_MAX);
+        maxGlobCount = 
ConfigurationService.getInt(LauncherAMUtils.CONF_OOZIE_ACTION_FS_GLOB_MAX);
     }
 
     /**

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/core/src/main/java/org/apache/oozie/action/hadoop/FsELFunctions.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/org/apache/oozie/action/hadoop/FsELFunctions.java 
b/core/src/main/java/org/apache/oozie/action/hadoop/FsELFunctions.java
index 295f81a..031be25 100644
--- a/core/src/main/java/org/apache/oozie/action/hadoop/FsELFunctions.java
+++ b/core/src/main/java/org/apache/oozie/action/hadoop/FsELFunctions.java
@@ -170,7 +170,7 @@ public class FsELFunctions {
         int count = 0;
         int globMax = Integer.MAX_VALUE;
         public FSPathFilter() {
-            globMax = 
ConfigurationService.getInt(LauncherMapper.CONF_OOZIE_ACTION_FS_GLOB_MAX);
+            globMax = 
ConfigurationService.getInt(LauncherAMUtils.CONF_OOZIE_ACTION_FS_GLOB_MAX);
         }
         @Override
         public boolean accept(Path p) {

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/core/src/main/java/org/apache/oozie/action/hadoop/Hive2ActionExecutor.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/org/apache/oozie/action/hadoop/Hive2ActionExecutor.java 
b/core/src/main/java/org/apache/oozie/action/hadoop/Hive2ActionExecutor.java
index 35277ae..0480f06 100644
--- a/core/src/main/java/org/apache/oozie/action/hadoop/Hive2ActionExecutor.java
+++ b/core/src/main/java/org/apache/oozie/action/hadoop/Hive2ActionExecutor.java
@@ -27,7 +27,7 @@ import org.jdom.Namespace;
 import java.util.ArrayList;
 import java.util.List;
 
-import static 
org.apache.oozie.action.hadoop.LauncherMapper.CONF_OOZIE_ACTION_MAIN_CLASS;
+import static 
org.apache.oozie.action.hadoop.LauncherAMUtils.CONF_OOZIE_ACTION_MAIN_CLASS;
 
 public class Hive2ActionExecutor extends ScriptLanguageActionExecutor {
 
@@ -142,4 +142,4 @@ public class Hive2ActionExecutor extends 
ScriptLanguageActionExecutor {
         return new String[] { "hive-site.xml" };
     }
 
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/core/src/main/java/org/apache/oozie/action/hadoop/HiveActionExecutor.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/org/apache/oozie/action/hadoop/HiveActionExecutor.java 
b/core/src/main/java/org/apache/oozie/action/hadoop/HiveActionExecutor.java
index 22378fc..d8c613b 100644
--- a/core/src/main/java/org/apache/oozie/action/hadoop/HiveActionExecutor.java
+++ b/core/src/main/java/org/apache/oozie/action/hadoop/HiveActionExecutor.java
@@ -30,7 +30,7 @@ import org.jdom.Namespace;
 import java.util.ArrayList;
 import java.util.List;
 
-import static 
org.apache.oozie.action.hadoop.LauncherMapper.CONF_OOZIE_ACTION_MAIN_CLASS;
+import static 
org.apache.oozie.action.hadoop.LauncherAMUtils.CONF_OOZIE_ACTION_MAIN_CLASS;
 
 public class HiveActionExecutor extends ScriptLanguageActionExecutor {
 

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/core/src/main/java/org/apache/oozie/action/hadoop/JavaActionExecutor.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/org/apache/oozie/action/hadoop/JavaActionExecutor.java 
b/core/src/main/java/org/apache/oozie/action/hadoop/JavaActionExecutor.java
index eac8e62..fa83f1e 100644
--- a/core/src/main/java/org/apache/oozie/action/hadoop/JavaActionExecutor.java
+++ b/core/src/main/java/org/apache/oozie/action/hadoop/JavaActionExecutor.java
@@ -199,7 +199,7 @@ public class JavaActionExecutor extends ActionExecutor {
         maxExternalStatsSize = 
ConfigurationService.getInt(JavaActionExecutor.MAX_EXTERNAL_STATS_SIZE);
         maxExternalStatsSize = (maxExternalStatsSize == -1) ? 
Integer.MAX_VALUE : maxExternalStatsSize;
         //Get the limit for the maximum number of globbed files/dirs for FS 
operation
-        maxFSGlobMax = 
ConfigurationService.getInt(LauncherMapper.CONF_OOZIE_ACTION_FS_GLOB_MAX);
+        maxFSGlobMax = 
ConfigurationService.getInt(LauncherAMUtils.CONF_OOZIE_ACTION_FS_GLOB_MAX);
 
         registerError(UnknownHostException.class.getName(), 
ActionExecutorException.ErrorType.TRANSIENT, "JA001");
         registerError(AccessControlException.class.getName(), 
ActionExecutorException.ErrorType.NON_TRANSIENT,
@@ -414,8 +414,8 @@ public class JavaActionExecutor extends ActionExecutor {
      * @param actionConf
      */
     void setRootLoggerLevel(Configuration actionConf) {
-        String oozieActionTypeRootLogger = "oozie.action." + getType() + 
LauncherMapper.ROOT_LOGGER_LEVEL;
-        String oozieActionRootLogger = "oozie.action." + 
LauncherMapper.ROOT_LOGGER_LEVEL;
+        String oozieActionTypeRootLogger = "oozie.action." + getType() + 
LauncherAMUtils.ROOT_LOGGER_LEVEL;
+        String oozieActionRootLogger = "oozie.action." + 
LauncherAMUtils.ROOT_LOGGER_LEVEL;
 
         // check if root log level has already mentioned in action 
configuration
         String rootLogLevel = actionConf.get(oozieActionTypeRootLogger, 
actionConf.get(oozieActionRootLogger));
@@ -842,11 +842,8 @@ public class JavaActionExecutor extends ActionExecutor {
             }
             LauncherHelper.setupMainArguments(launcherJobConf, args);
             // backward compatibility flag - see OOZIE-2872
-            if 
(ConfigurationService.getBoolean(LauncherMapper.CONF_OOZIE_NULL_ARGS_ALLOWED)) {
-                
launcherJobConf.setBoolean(LauncherMapper.CONF_OOZIE_NULL_ARGS_ALLOWED, true);
-            } else {
-                
launcherJobConf.setBoolean(LauncherMapper.CONF_OOZIE_NULL_ARGS_ALLOWED, false);
-            }
+            boolean nullArgsAllowed = 
ConfigurationService.getBoolean(LauncherAMUtils.CONF_OOZIE_NULL_ARGS_ALLOWED);
+            
launcherJobConf.setBoolean(LauncherAMUtils.CONF_OOZIE_NULL_ARGS_ALLOWED, 
nullArgsAllowed);
 
             // Make mapred.child.java.opts and mapreduce.map.java.opts equal, 
but give values from the latter priority; also append
             // <java-opt> and <java-opts> and give those highest priority

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/core/src/main/java/org/apache/oozie/action/hadoop/LauncherHelper.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/org/apache/oozie/action/hadoop/LauncherHelper.java 
b/core/src/main/java/org/apache/oozie/action/hadoop/LauncherHelper.java
index f80141c..f9e0aef 100644
--- a/core/src/main/java/org/apache/oozie/action/hadoop/LauncherHelper.java
+++ b/core/src/main/java/org/apache/oozie/action/hadoop/LauncherHelper.java
@@ -55,8 +55,6 @@ public class LauncherHelper {
 
     public static final String OOZIE_ACTION_YARN_TAG = "oozie.action.yarn.tag";
 
-    private static final LauncherInputFormatClassLocator 
launcherInputFormatClassLocator = new LauncherInputFormatClassLocator();
-
     public static String getRecoveryId(Configuration launcherConf, Path 
actionDir, String recoveryId)
             throws HadoopAccessorException, IOException {
         String jobId = null;
@@ -78,7 +76,7 @@ public class LauncherHelper {
         // Only set the javaMainClass if its not null or empty string, this 
way the user can override the action's main class via
         // <configuration> property
         if (javaMainClass != null && !javaMainClass.equals("")) {
-            launcherConf.set(LauncherMapper.CONF_OOZIE_ACTION_MAIN_CLASS, 
javaMainClass);
+            launcherConf.set(LauncherAMUtils.CONF_OOZIE_ACTION_MAIN_CLASS, 
javaMainClass);
         }
     }
 
@@ -89,14 +87,14 @@ public class LauncherHelper {
     }
 
     public static void setupMainArguments(Configuration launcherConf, String[] 
args) {
-        launcherConf.setInt(LauncherMapper.CONF_OOZIE_ACTION_MAIN_ARG_COUNT, 
args.length);
+        launcherConf.setInt(LauncherAMUtils.CONF_OOZIE_ACTION_MAIN_ARG_COUNT, 
args.length);
         for (int i = 0; i < args.length; i++) {
-            launcherConf.set(LauncherMapper.CONF_OOZIE_ACTION_MAIN_ARG_PREFIX 
+ i, args[i]);
+            launcherConf.set(LauncherAMUtils.CONF_OOZIE_ACTION_MAIN_ARG_PREFIX 
+ i, args[i]);
         }
     }
 
     public static void setupMaxOutputData(Configuration launcherConf, int 
maxOutputData) {
-        launcherConf.setInt(LauncherMapper.CONF_OOZIE_ACTION_MAX_OUTPUT_DATA, 
maxOutputData);
+        launcherConf.setInt(LauncherAMUtils.CONF_OOZIE_ACTION_MAX_OUTPUT_DATA, 
maxOutputData);
     }
 
     /**
@@ -106,7 +104,7 @@ public class LauncherHelper {
      * @param maxStatsData the maximum allowed size of stats data
      */
     public static void setupMaxExternalStatsSize(Configuration launcherConf, 
int maxStatsData){
-        launcherConf.setInt(LauncherMapper.CONF_OOZIE_EXTERNAL_STATS_MAX_SIZE, 
maxStatsData);
+        
launcherConf.setInt(LauncherAMUtils.CONF_OOZIE_EXTERNAL_STATS_MAX_SIZE, 
maxStatsData);
     }
 
     /**
@@ -116,20 +114,20 @@ public class LauncherHelper {
      * @param fsGlobMax the maximum number of files/dirs for FS operation
      */
     public static void setupMaxFSGlob(Configuration launcherConf, int 
fsGlobMax){
-        launcherConf.setInt(LauncherMapper.CONF_OOZIE_ACTION_FS_GLOB_MAX, 
fsGlobMax);
+        launcherConf.setInt(LauncherAMUtils.CONF_OOZIE_ACTION_FS_GLOB_MAX, 
fsGlobMax);
     }
 
     public static void setupLauncherInfo(Configuration launcherConf, String 
jobId, String actionId, Path actionDir,
             String recoveryId, Configuration actionConf, String prepareXML) 
throws IOException, HadoopAccessorException {
 
-        launcherConf.set(LauncherMapper.OOZIE_JOB_ID, jobId);
-        launcherConf.set(LauncherMapper.OOZIE_ACTION_ID, actionId);
-        launcherConf.set(LauncherMapper.OOZIE_ACTION_DIR_PATH, 
actionDir.toString());
-        launcherConf.set(LauncherMapper.OOZIE_ACTION_RECOVERY_ID, recoveryId);
-        launcherConf.set(LauncherMapper.ACTION_PREPARE_XML, prepareXML);
+        launcherConf.set(LauncherAMUtils.OOZIE_JOB_ID, jobId);
+        launcherConf.set(LauncherAMUtils.OOZIE_ACTION_ID, actionId);
+        launcherConf.set(LauncherAMUtils.OOZIE_ACTION_DIR_PATH, 
actionDir.toString());
+        launcherConf.set(LauncherAMUtils.OOZIE_ACTION_RECOVERY_ID, recoveryId);
+        launcherConf.set(LauncherAMUtils.ACTION_PREPARE_XML, prepareXML);
 
-        actionConf.set(LauncherMapper.OOZIE_JOB_ID, jobId);
-        actionConf.set(LauncherMapper.OOZIE_ACTION_ID, actionId);
+        actionConf.set(LauncherAMUtils.OOZIE_JOB_ID, jobId);
+        actionConf.set(LauncherAMUtils.OOZIE_ACTION_ID, actionId);
 
         if 
(Services.get().getConf().getBoolean("oozie.hadoop-2.0.2-alpha.workaround.for.distributed.cache",
 false)) {
           List<String> purgedEntries = new ArrayList<String>();
@@ -171,9 +169,9 @@ public class LauncherHelper {
         if (succeeded) {
             Counters counters = runningJob.getCounters();
             if (counters != null) {
-                Counters.Group group = 
counters.getGroup(LauncherMapper.COUNTER_GROUP);
+                Counters.Group group = 
counters.getGroup(LauncherAMUtils.COUNTER_GROUP);
                 if (group != null) {
-                    succeeded = 
group.getCounter(LauncherMapper.COUNTER_LAUNCHER_ERROR) == 0;
+                    succeeded = 
group.getCounter(LauncherAMUtils.COUNTER_LAUNCHER_ERROR) == 0;
                 }
             }
         }
@@ -187,7 +185,7 @@ public class LauncherHelper {
      * @throws IOException
      */
     public static boolean hasExternalChildJobs(Map<String, String> actionData) 
throws IOException {
-        return 
actionData.containsKey(LauncherMapper.ACTION_DATA_EXTERNAL_CHILD_IDS);
+        return 
actionData.containsKey(LauncherAMUtils.ACTION_DATA_EXTERNAL_CHILD_IDS);
     }
 
     /**
@@ -197,7 +195,7 @@ public class LauncherHelper {
      * @throws IOException
      */
     public static boolean hasOutputData(Map<String, String> actionData) throws 
IOException {
-        return actionData.containsKey(LauncherMapper.ACTION_DATA_OUTPUT_PROPS);
+        return 
actionData.containsKey(LauncherAMUtils.ACTION_DATA_OUTPUT_PROPS);
     }
 
     /**
@@ -207,7 +205,7 @@ public class LauncherHelper {
      * @throws IOException
      */
     public static boolean hasStatsData(Map<String, String> actionData) throws 
IOException{
-        return actionData.containsKey(LauncherMapper.ACTION_DATA_STATS);
+        return actionData.containsKey(LauncherAMUtils.ACTION_DATA_STATS);
     }
 
     /**
@@ -217,7 +215,7 @@ public class LauncherHelper {
      * @throws IOException
      */
     public static boolean hasIdSwap(Map<String, String> actionData) throws 
IOException {
-        return actionData.containsKey(LauncherMapper.ACTION_DATA_NEW_ID);
+        return actionData.containsKey(LauncherAMUtils.ACTION_DATA_NEW_ID);
     }
 
     /**
@@ -226,7 +224,7 @@ public class LauncherHelper {
      * @return
      */
     public static Path getActionDataSequenceFilePath(Path actionDir) {
-        return new Path(actionDir, LauncherMapper.ACTION_DATA_SEQUENCE_FILE);
+        return new Path(actionDir, LauncherAMUtils.ACTION_DATA_SEQUENCE_FILE);
     }
 
     /**
@@ -269,35 +267,35 @@ public class LauncherHelper {
                             if (file.equals(new Path(actionDir, 
"externalChildIds.properties"))) {
                                 is = fs.open(file);
                                 reader = new BufferedReader(new 
InputStreamReader(is));
-                                
ret.put(LauncherMapper.ACTION_DATA_EXTERNAL_CHILD_IDS,
+                                
ret.put(LauncherAMUtils.ACTION_DATA_EXTERNAL_CHILD_IDS,
                                         IOUtils.getReaderAsString(reader, -1));
                             }
                             else if (file.equals(new Path(actionDir, 
"newId.properties"))) {
                                 is = fs.open(file);
                                 reader = new BufferedReader(new 
InputStreamReader(is));
                                 props = PropertiesUtils.readProperties(reader, 
-1);
-                                ret.put(LauncherMapper.ACTION_DATA_NEW_ID, 
props.getProperty("id"));
+                                ret.put(LauncherAMUtils.ACTION_DATA_NEW_ID, 
props.getProperty("id"));
                             }
-                            else if (file.equals(new Path(actionDir, 
LauncherMapper.ACTION_DATA_OUTPUT_PROPS))) {
-                                int maxOutputData = 
conf.getInt(LauncherMapper.CONF_OOZIE_ACTION_MAX_OUTPUT_DATA,
+                            else if (file.equals(new Path(actionDir, 
LauncherAMUtils.ACTION_DATA_OUTPUT_PROPS))) {
+                                int maxOutputData = 
conf.getInt(LauncherAMUtils.CONF_OOZIE_ACTION_MAX_OUTPUT_DATA,
                                         2 * 1024);
                                 is = fs.open(file);
                                 reader = new BufferedReader(new 
InputStreamReader(is));
-                                
ret.put(LauncherMapper.ACTION_DATA_OUTPUT_PROPS, PropertiesUtils
+                                
ret.put(LauncherAMUtils.ACTION_DATA_OUTPUT_PROPS, PropertiesUtils
                                         
.propertiesToString(PropertiesUtils.readProperties(reader, maxOutputData)));
                             }
-                            else if (file.equals(new Path(actionDir, 
LauncherMapper.ACTION_DATA_STATS))) {
-                                int statsMaxOutputData = 
conf.getInt(LauncherMapper.CONF_OOZIE_EXTERNAL_STATS_MAX_SIZE,
+                            else if (file.equals(new Path(actionDir, 
LauncherAMUtils.ACTION_DATA_STATS))) {
+                                int statsMaxOutputData = 
conf.getInt(LauncherAMUtils.CONF_OOZIE_EXTERNAL_STATS_MAX_SIZE,
                                         Integer.MAX_VALUE);
                                 is = fs.open(file);
                                 reader = new BufferedReader(new 
InputStreamReader(is));
-                                ret.put(LauncherMapper.ACTION_DATA_STATS, 
PropertiesUtils
+                                ret.put(LauncherAMUtils.ACTION_DATA_STATS, 
PropertiesUtils
                                         
.propertiesToString(PropertiesUtils.readProperties(reader, 
statsMaxOutputData)));
                             }
-                            else if (file.equals(new Path(actionDir, 
LauncherMapper.ACTION_DATA_ERROR_PROPS))) {
+                            else if (file.equals(new Path(actionDir, 
LauncherAMUtils.ACTION_DATA_ERROR_PROPS))) {
                                 is = fs.open(file);
                                 reader = new BufferedReader(new 
InputStreamReader(is));
-                                
ret.put(LauncherMapper.ACTION_DATA_ERROR_PROPS, 
IOUtils.getReaderAsString(reader, -1));
+                                
ret.put(LauncherAMUtils.ACTION_DATA_ERROR_PROPS, 
IOUtils.getReaderAsString(reader, -1));
                             }
                         }
                     }

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/core/src/main/java/org/apache/oozie/action/hadoop/LauncherInputFormatClassLocator.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/org/apache/oozie/action/hadoop/LauncherInputFormatClassLocator.java
 
b/core/src/main/java/org/apache/oozie/action/hadoop/LauncherInputFormatClassLocator.java
deleted file mode 100644
index 4dba776..0000000
--- 
a/core/src/main/java/org/apache/oozie/action/hadoop/LauncherInputFormatClassLocator.java
+++ /dev/null
@@ -1,84 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.oozie.action.hadoop;
-
-import org.apache.hadoop.mapred.InputFormat;
-import org.apache.oozie.service.ConfigurationService;
-import org.apache.oozie.util.XLog;
-
-class LauncherInputFormatClassLocator {
-    private final XLog LOG = XLog.getLog(getClass());
-
-    static final String HADOOP_INPUT_FORMAT_CLASSNAME = 
"mapreduce.input.format.class";
-
-    private Class<? extends InputFormat> launcherInputFormatClass;
-
-    /**
-     * Get the {@code LauncherMapper} map only MR job's {@link 
org.apache.hadoop.mapreduce.InputFormat} according to configuration.
-     * <p/>
-     * Priority:
-     * <ol>
-     * 
<li><tt>oozie.action.launcher.mapreduce.input-format.class-name</tt></li>
-     * <li><tt>OozieLauncherInputFormat</tt></li>
-     * </ol>
-     *
-     * @return
-     */
-    Class<? extends InputFormat> locateOrGet() {
-        if (launcherInputFormatClass == null) {
-            launcherInputFormatClass = locate();
-        }
-
-        return launcherInputFormatClass;
-    }
-
-    /**
-     * Get the {@code LauncherMapper} map only MR job's {@link 
org.apache.hadoop.mapreduce.InputFormat} according to configuration.
-     * <p/>
-     * Priority:
-     * <ol>
-     * 
<li><tt>oozie.action.launcher.mapreduce.input-format.class-name</tt></li>
-     * <li><tt>OozieLauncherInputFormat</tt></li>
-     * </ol>
-     *
-     * @return
-     */
-    private Class<? extends InputFormat> locate() {
-        String inputFormatClassName = 
OozieLauncherInputFormat.class.getSimpleName();
-
-        final String configuredClassName = ConfigurationService.get(
-                JavaActionExecutor.OOZIE_ACTION_LAUNCHER_PREFIX + 
HADOOP_INPUT_FORMAT_CLASSNAME);
-        if (configuredClassName != null) {
-            inputFormatClassName = configuredClassName;
-        }
-
-        try {
-            LOG.debug("Locating launcher input format class [{0}].", 
inputFormatClassName);
-
-            final Class inputFormatClass = Class.forName(inputFormatClassName);
-            LOG.debug("Launcher input format class [{0}] located 
successfully.", inputFormatClassName);
-
-            return inputFormatClass;
-        } catch (final ClassNotFoundException | ClassCastException e) {
-            LOG.warn("Could not load class [{0}], located [{1}] instead.", 
inputFormatClassName,
-                    OozieLauncherInputFormat.class.getSimpleName());
-            return OozieLauncherInputFormat.class;
-        }
-    }
-}

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/core/src/main/java/org/apache/oozie/action/hadoop/MapReduceActionExecutor.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/org/apache/oozie/action/hadoop/MapReduceActionExecutor.java
 
b/core/src/main/java/org/apache/oozie/action/hadoop/MapReduceActionExecutor.java
index 634a1cb..4427688 100644
--- 
a/core/src/main/java/org/apache/oozie/action/hadoop/MapReduceActionExecutor.java
+++ 
b/core/src/main/java/org/apache/oozie/action/hadoop/MapReduceActionExecutor.java
@@ -25,8 +25,6 @@ import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 
-import javax.annotation.Nonnull;
-
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
@@ -35,14 +33,6 @@ import org.apache.hadoop.mapred.JobClient;
 import org.apache.hadoop.mapred.JobConf;
 import org.apache.hadoop.mapred.JobID;
 import org.apache.hadoop.mapred.RunningJob;
-import org.apache.hadoop.yarn.api.ApplicationClientProtocol;
-import org.apache.hadoop.yarn.api.protocolrecords.ApplicationsRequestScope;
-import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationsRequest;
-import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationsResponse;
-import org.apache.hadoop.yarn.api.records.ApplicationReport;
-import org.apache.hadoop.yarn.client.ClientRMProxy;
-import org.apache.hadoop.yarn.client.api.YarnClient;
-import org.apache.oozie.action.ActionExecutor;
 import org.apache.oozie.action.ActionExecutorException;
 import org.apache.oozie.client.WorkflowAction;
 import org.apache.oozie.service.ConfigurationService;
@@ -52,11 +42,6 @@ import org.apache.oozie.util.XmlUtils;
 import org.jdom.Element;
 import org.jdom.Namespace;
 
-import com.google.common.base.Function;
-import com.google.common.base.Joiner;
-import com.google.common.collect.Iterables;
-import com.google.common.io.Closeables;
-
 public class MapReduceActionExecutor extends JavaActionExecutor {
 
     public static final String OOZIE_ACTION_EXTERNAL_STATS_WRITE = 
"oozie.action.external.stats.write";
@@ -99,14 +84,14 @@ public class MapReduceActionExecutor extends 
JavaActionExecutor {
         String mainClass;
         Namespace ns = actionXml.getNamespace();
         if (actionXml.getChild("streaming", ns) != null) {
-            mainClass = 
launcherConf.get(LauncherMapper.CONF_OOZIE_ACTION_MAIN_CLASS, 
STREAMING_MAIN_CLASS_NAME);
+            mainClass = 
launcherConf.get(LauncherAMUtils.CONF_OOZIE_ACTION_MAIN_CLASS, 
STREAMING_MAIN_CLASS_NAME);
         }
         else {
             if (actionXml.getChild("pipes", ns) != null) {
-                mainClass = 
launcherConf.get(LauncherMapper.CONF_OOZIE_ACTION_MAIN_CLASS, 
PipesMain.class.getName());
+                mainClass = 
launcherConf.get(LauncherAMUtils.CONF_OOZIE_ACTION_MAIN_CLASS, 
PipesMain.class.getName());
             }
             else {
-                mainClass = 
launcherConf.get(LauncherMapper.CONF_OOZIE_ACTION_MAIN_CLASS, 
MapReduceMain.class.getName());
+                mainClass = 
launcherConf.get(LauncherAMUtils.CONF_OOZIE_ACTION_MAIN_CLASS, 
MapReduceMain.class.getName());
             }
         }
         return mainClass;
@@ -125,7 +110,7 @@ public class MapReduceActionExecutor extends 
JavaActionExecutor {
         // Inject config-class for launcher to use for action
         Element e = actionXml.getChild("config-class", 
actionXml.getNamespace());
         if (e != null) {
-            conf.set(LauncherMapper.OOZIE_ACTION_CONFIG_CLASS, 
e.getTextTrim());
+            conf.set(LauncherAMUtils.OOZIE_ACTION_CONFIG_CLASS, 
e.getTextTrim());
         }
     }
 
@@ -363,7 +348,7 @@ public class MapReduceActionExecutor extends 
JavaActionExecutor {
             throw convertException(e);
         }
 
-        final String newId = actionData.get(LauncherMapper.ACTION_DATA_NEW_ID);
+        final String newId = 
actionData.get(LauncherAMUtils.ACTION_DATA_NEW_ID);
 
         // check the Hadoop job if newID is defined (which should be the case 
here) - otherwise perform the normal check()
         if (newId != null) {
@@ -403,7 +388,7 @@ public class MapReduceActionExecutor extends 
JavaActionExecutor {
             }
 
             // run original check() if the MR action is completed or there are 
errors - otherwise mark it as RUNNING
-            if (jobCompleted || 
actionData.containsKey(LauncherMapper.ACTION_DATA_ERROR_PROPS)) {
+            if (jobCompleted || 
actionData.containsKey(LauncherAMUtils.ACTION_DATA_ERROR_PROPS)) {
                 super.check(context, action);
             } else {
                 context.setExternalStatus(RUNNING);

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/core/src/main/java/org/apache/oozie/action/hadoop/PigActionExecutor.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/org/apache/oozie/action/hadoop/PigActionExecutor.java 
b/core/src/main/java/org/apache/oozie/action/hadoop/PigActionExecutor.java
index 8a24ac3..6541d52 100644
--- a/core/src/main/java/org/apache/oozie/action/hadoop/PigActionExecutor.java
+++ b/core/src/main/java/org/apache/oozie/action/hadoop/PigActionExecutor.java
@@ -60,7 +60,7 @@ public class PigActionExecutor extends 
ScriptLanguageActionExecutor {
 
     @Override
     protected String getLauncherMain(Configuration launcherConf, Element 
actionXml) {
-        return launcherConf.get(LauncherMapper.CONF_OOZIE_ACTION_MAIN_CLASS, 
PIG_MAIN_CLASS_NAME);
+        return launcherConf.get(LauncherAMUtils.CONF_OOZIE_ACTION_MAIN_CLASS, 
PIG_MAIN_CLASS_NAME);
     }
 
     @Override

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/core/src/main/java/org/apache/oozie/action/hadoop/ShellActionExecutor.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/org/apache/oozie/action/hadoop/ShellActionExecutor.java 
b/core/src/main/java/org/apache/oozie/action/hadoop/ShellActionExecutor.java
index d44bbc5..9591cd9 100644
--- a/core/src/main/java/org/apache/oozie/action/hadoop/ShellActionExecutor.java
+++ b/core/src/main/java/org/apache/oozie/action/hadoop/ShellActionExecutor.java
@@ -44,7 +44,7 @@ public class ShellActionExecutor extends JavaActionExecutor {
 
     @Override
     protected String getLauncherMain(Configuration launcherConf, Element 
actionXml) {
-        return launcherConf.get(LauncherMapper.CONF_OOZIE_ACTION_MAIN_CLASS, 
ShellMain.class.getName());
+        return launcherConf.get(LauncherAMUtils.CONF_OOZIE_ACTION_MAIN_CLASS, 
ShellMain.class.getName());
     }
 
     @Override

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/core/src/main/java/org/apache/oozie/action/hadoop/SparkActionExecutor.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/org/apache/oozie/action/hadoop/SparkActionExecutor.java 
b/core/src/main/java/org/apache/oozie/action/hadoop/SparkActionExecutor.java
index 00497a7..80d64ec 100644
--- a/core/src/main/java/org/apache/oozie/action/hadoop/SparkActionExecutor.java
+++ b/core/src/main/java/org/apache/oozie/action/hadoop/SparkActionExecutor.java
@@ -19,10 +19,8 @@
 package org.apache.oozie.action.hadoop;
 
 import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.oozie.action.ActionExecutorException;
-import org.apache.oozie.client.WorkflowAction;
 import org.apache.oozie.service.ConfigurationService;
 import org.apache.oozie.service.Services;
 import org.apache.oozie.service.SparkConfigurationService;
@@ -154,7 +152,7 @@ public class SparkActionExecutor extends JavaActionExecutor 
{
 
     @Override
     protected String getLauncherMain(Configuration launcherConf, Element 
actionXml) {
-        return launcherConf.get(LauncherMapper.CONF_OOZIE_ACTION_MAIN_CLASS, 
SPARK_MAIN_CLASS_NAME);
+        return launcherConf.get(LauncherAMUtils.CONF_OOZIE_ACTION_MAIN_CLASS, 
SPARK_MAIN_CLASS_NAME);
     }
 
     @Override

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/core/src/main/java/org/apache/oozie/action/hadoop/SqoopActionExecutor.java
----------------------------------------------------------------------
diff --git 
a/core/src/main/java/org/apache/oozie/action/hadoop/SqoopActionExecutor.java 
b/core/src/main/java/org/apache/oozie/action/hadoop/SqoopActionExecutor.java
index 955f3b7..8fdc50c 100644
--- a/core/src/main/java/org/apache/oozie/action/hadoop/SqoopActionExecutor.java
+++ b/core/src/main/java/org/apache/oozie/action/hadoop/SqoopActionExecutor.java
@@ -28,7 +28,6 @@ import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.mapred.Counters;
 import org.apache.hadoop.mapred.JobClient;
-import org.apache.hadoop.mapred.JobConf;
 import org.apache.hadoop.mapred.JobID;
 import org.apache.hadoop.mapred.RunningJob;
 import org.apache.oozie.action.ActionExecutorException;
@@ -64,7 +63,7 @@ public class SqoopActionExecutor extends JavaActionExecutor {
 
     @Override
     protected String getLauncherMain(Configuration launcherConf, Element 
actionXml) {
-        return launcherConf.get(LauncherMapper.CONF_OOZIE_ACTION_MAIN_CLASS, 
SQOOP_MAIN_CLASS_NAME);
+        return launcherConf.get(LauncherAMUtils.CONF_OOZIE_ACTION_MAIN_CLASS, 
SQOOP_MAIN_CLASS_NAME);
     }
 
     @Override

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/core/src/main/resources/oozie-default.xml
----------------------------------------------------------------------
diff --git a/core/src/main/resources/oozie-default.xml 
b/core/src/main/resources/oozie-default.xml
index c60a458..5629a89 100644
--- a/core/src/main/resources/oozie-default.xml
+++ b/core/src/main/resources/oozie-default.xml
@@ -1804,7 +1804,7 @@ will be the requeue interval for the actions which are 
waiting for a long time w
         </description>
     </property>
 
-    <!-- LauncherMapper -->
+    <!-- LauncherAMUtils -->
     <property>
         <name>oozie.action.max.output.data</name>
         <value>2048</value>

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/core/src/test/java/org/apache/oozie/action/hadoop/LauncherMainTester.java
----------------------------------------------------------------------
diff --git 
a/core/src/test/java/org/apache/oozie/action/hadoop/LauncherMainTester.java 
b/core/src/test/java/org/apache/oozie/action/hadoop/LauncherMainTester.java
index 16ab729..6cee7a8 100644
--- a/core/src/test/java/org/apache/oozie/action/hadoop/LauncherMainTester.java
+++ b/core/src/test/java/org/apache/oozie/action/hadoop/LauncherMainTester.java
@@ -69,7 +69,7 @@ public class LauncherMainTester {
                 }
                 // by using NULL as permission, if an underlaying 
SecurityManager is in place
                 // a security exception will be thrown. As there is not 
underlaying SecurityManager
-                // this tests that the delegation logic of the LauncherMapper 
SecurityManager is
+                // this tests that the delegation logic of the LauncherAMUtils 
SecurityManager is
                 // correct for both checkPermission() signatures.
                 sm.checkPermission(null);
                 sm.checkPermission(null, sm.getSecurityContext());

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/core/src/test/java/org/apache/oozie/action/hadoop/TestDistcpMain.java
----------------------------------------------------------------------
diff --git 
a/core/src/test/java/org/apache/oozie/action/hadoop/TestDistcpMain.java 
b/core/src/test/java/org/apache/oozie/action/hadoop/TestDistcpMain.java
index 199962e..3f000d5 100644
--- a/core/src/test/java/org/apache/oozie/action/hadoop/TestDistcpMain.java
+++ b/core/src/test/java/org/apache/oozie/action/hadoop/TestDistcpMain.java
@@ -31,8 +31,6 @@ import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Set;
 
-import org.apache.oozie.action.hadoop.DistcpMain;
-
 public class TestDistcpMain extends MainTestCase {
 
     @Override
@@ -49,7 +47,7 @@ public class TestDistcpMain extends MainTestCase {
         writer.close();
         Path outputDir = new Path(getFsTestCaseDir(), "output");
 
-        jobConf.set(LauncherMapper.CONF_OOZIE_ACTION_MAIN_CLASS, 
"org.apache.hadoop.tools.DistCp");
+        jobConf.set(LauncherAMUtils.CONF_OOZIE_ACTION_MAIN_CLASS, 
"org.apache.hadoop.tools.DistCp");
 
         jobConf.set("mapreduce.job.tags", "" + System.currentTimeMillis());
         setSystemProperty("oozie.job.launch.time", "" + 
System.currentTimeMillis());
@@ -75,7 +73,7 @@ public class TestDistcpMain extends MainTestCase {
         DistcpMain.main(new String[]{inputDir.toString(), 
outputDir.toString()});
         assertTrue(getFileSystem().exists(outputDir));
         assertTrue(hadoopIdsFile.exists());
-        assertNotNull(LauncherMapper.getLocalFileContentStr(hadoopIdsFile, "", 
-1));
+        assertNotNull(LauncherAMUtils.getLocalFileContentStr(hadoopIdsFile, 
"", -1));
         fs.delete(outputDir,true);
 
         // Check exception handling

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/core/src/test/java/org/apache/oozie/action/hadoop/TestJavaActionExecutor.java
----------------------------------------------------------------------
diff --git 
a/core/src/test/java/org/apache/oozie/action/hadoop/TestJavaActionExecutor.java 
b/core/src/test/java/org/apache/oozie/action/hadoop/TestJavaActionExecutor.java
index 67c7d06..59a21c4 100644
--- 
a/core/src/test/java/org/apache/oozie/action/hadoop/TestJavaActionExecutor.java
+++ 
b/core/src/test/java/org/apache/oozie/action/hadoop/TestJavaActionExecutor.java
@@ -264,7 +264,7 @@ public class TestJavaActionExecutor extends 
ActionExecutorTestCase {
         assertEquals("org.apache.oozie.action.hadoop.JavaMain", 
ae.getLauncherMain(conf, actionXml));
         assertTrue(conf.get("mapred.child.java.opts").contains("JAVA-OPTS"));
         assertTrue(conf.get("mapreduce.map.java.opts").contains("JAVA-OPTS"));
-        assertEquals(Arrays.asList("A1", "A2"), 
Arrays.asList(LauncherMapper.getMainArguments(conf)));
+        assertEquals(Arrays.asList("A1", "A2"), 
Arrays.asList(LauncherAMUtils.getMainArguments(conf)));
 
         actionXml = XmlUtils.parseXml("<java>" + "<job-tracker>" + 
getJobTrackerUri() + "</job-tracker>" +
                 "<name-node>" + getNameNodeUri() + "</name-node> 
<configuration>" +
@@ -2177,8 +2177,8 @@ public class TestJavaActionExecutor extends 
ActionExecutorTestCase {
     }
 
     public void testSetRootLoggerLevel() throws Exception {
-        String oozieActionRootLogger = "oozie.action." + 
LauncherMapper.ROOT_LOGGER_LEVEL;
-        String oozieActionHiveRootLogger = "oozie.action.hive" + 
LauncherMapper.ROOT_LOGGER_LEVEL;
+        String oozieActionRootLogger = "oozie.action." + 
LauncherAMUtils.ROOT_LOGGER_LEVEL;
+        String oozieActionHiveRootLogger = "oozie.action.hive" + 
LauncherAMUtils.ROOT_LOGGER_LEVEL;
 
         // default should be INFO
         JavaActionExecutor jae = new JavaActionExecutor();
@@ -2211,7 +2211,7 @@ public class TestJavaActionExecutor extends 
ActionExecutorTestCase {
 
     private void testEmptyArgs(boolean nullArgsAllowed, String 
expectedExternalStatus, WorkflowAction.Status expectedStatus)
             throws Exception {
-        
ConfigurationService.setBoolean(LauncherMapper.CONF_OOZIE_NULL_ARGS_ALLOWED, 
nullArgsAllowed);
+        
ConfigurationService.setBoolean(LauncherAMUtils.CONF_OOZIE_NULL_ARGS_ALLOWED, 
nullArgsAllowed);
 
         String actionXml = "<java>" +
                 "<job-tracker>" + getJobTrackerUri() + "</job-tracker>" +

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/core/src/test/java/org/apache/oozie/action/hadoop/TestLauncher.java
----------------------------------------------------------------------
diff --git 
a/core/src/test/java/org/apache/oozie/action/hadoop/TestLauncher.java 
b/core/src/test/java/org/apache/oozie/action/hadoop/TestLauncher.java
index 1b7724e..a3b3b7b 100644
--- a/core/src/test/java/org/apache/oozie/action/hadoop/TestLauncher.java
+++ b/core/src/test/java/org/apache/oozie/action/hadoop/TestLauncher.java
@@ -38,12 +38,6 @@ import java.io.Writer;
 import java.net.URI;
 import java.util.Map;
 
-// TODO
-// this whole class can be deleted - for now, just renamed the tests that fail
-// These tests mostly validate LaunhcherMapper - with OOYA, LauncherMapper 
should be eliminated, too
-
-// With Hadoop 2.4.0, things work slightly differently (there is an exception 
in LauncherMapper.map()), also,
-// SequenceFile.Reader got deprecated
 public class TestLauncher extends XFsTestCase {
 
     @Override
@@ -58,245 +52,6 @@ public class TestLauncher extends XFsTestCase {
         super.tearDown();
     }
 
-    private RunningJob _test(String... arg) throws Exception {
-        Path actionDir = getFsTestCaseDir();
-
-        File jar = IOUtils.createJar(new File(getTestCaseDir()), 
"launcher.jar", LauncherMapper.class,
-                                     LauncherMainException.class,
-                                     LauncherSecurityManager.class, 
LauncherException.class, LauncherMainTester.class);
-
-        FileSystem fs = getFileSystem();
-
-        Path launcherJar = new Path(actionDir, "launcher.jar");
-        fs.copyFromLocalFile(new Path(jar.toString()), launcherJar);
-
-        Configuration appConf = 
Services.get().get(HadoopAccessorService.class).
-                createConfiguration(new URI(getNameNodeUri()).getAuthority());
-        appConf.set("user.name", getTestUser());
-        appConf.setInt("mapred.map.tasks", 1);
-        appConf.setInt("mapred.map.max.attempts", 1);
-        appConf.setInt("mapred.reduce.max.attempts", 1);
-
-        appConf.set("mapreduce.framework.name", "yarn");
-        appConf.set("mapred.job.tracker", getJobTrackerUri());
-        appConf.set("fs.default.name", getNameNodeUri());
-
-
-        LauncherHelper.setupMainClass(appConf, 
LauncherMainTester.class.getName());
-        LauncherHelper.setupMainArguments(appConf, arg);
-
-        Configuration actionConf = new XConfiguration();
-        LauncherHelper.setupLauncherInfo(appConf, "1", "1@a", actionDir, 
"1@a-0", actionConf, "");
-        LauncherHelper.setupYarnRestartHandling(appConf, appConf, "1@a", 
System.currentTimeMillis());
-
-        assertEquals("1", actionConf.get("oozie.job.id"));
-        assertEquals("1@a", actionConf.get("oozie.action.id"));
-
-        DistributedCache.addFileToClassPath(new 
Path(launcherJar.toUri().getPath()), appConf);
-
-        JobClient jobClient = createJobClient();
-
-        final RunningJob runningJob = jobClient.submitJob(new 
JobConf(appConf));
-
-        System.out.println("Action Dir: " + actionDir);
-        System.out.println("LauncherMapper ID: " + 
runningJob.getJobID().toString());
-
-        waitFor(180 * 1000, new Predicate() {
-            public boolean evaluate() throws Exception {
-                return runningJob.isComplete();
-            }
-        });
-
-        assertTrue(appConf.get("oozie.action.prepare.xml").equals(""));
-        return runningJob;
-
-    }
-
-    public void ___testEmpty() throws Exception {
-        Path actionDir = getFsTestCaseDir();
-        FileSystem fs = getFileSystem();
-        final RunningJob runningJob = _test();
-        waitFor(2000, new Predicate() {
-            @Override
-            public boolean evaluate() throws Exception {
-                return runningJob.isComplete();
-            }
-        });
-        assertTrue(runningJob.isSuccessful());
-
-        Configuration conf = new XConfiguration();
-        conf.set("user.name", getTestUser());
-        Map<String, String> actionData = LauncherHelper.getActionData(fs, 
actionDir, conf);
-        
assertFalse(fs.exists(LauncherHelper.getActionDataSequenceFilePath(actionDir)));
-        assertTrue(LauncherHelper.isMainDone(runningJob));
-        assertTrue(LauncherHelper.isMainSuccessful(runningJob));
-        assertFalse(LauncherHelper.hasOutputData(actionData));
-        assertFalse(LauncherHelper.hasIdSwap(actionData));
-        assertTrue(LauncherHelper.isMainDone(runningJob));
-    }
-
-    public void ___testExit0() throws Exception {
-        Path actionDir = getFsTestCaseDir();
-        FileSystem fs = getFileSystem();
-        final RunningJob runningJob = _test("exit0");
-        waitFor(2000, new Predicate() {
-            @Override
-            public boolean evaluate() throws Exception {
-                return runningJob.isComplete();
-            }
-        });
-        assertTrue(runningJob.isSuccessful());
-
-        Configuration conf = new XConfiguration();
-        conf.set("user.name", getTestUser());
-        Map<String, String> actionData = LauncherHelper.getActionData(fs, 
actionDir, conf);
-        
assertFalse(fs.exists(LauncherHelper.getActionDataSequenceFilePath(actionDir)));
-        assertTrue(LauncherHelper.isMainDone(runningJob));
-        assertTrue(LauncherHelper.isMainSuccessful(runningJob));
-        assertFalse(LauncherHelper.hasOutputData(actionData));
-        assertFalse(LauncherHelper.hasIdSwap(actionData));
-        assertTrue(LauncherHelper.isMainDone(runningJob));
-    }
-
-    public void ___testExit1() throws Exception {
-        Path actionDir = getFsTestCaseDir();
-        FileSystem fs = getFileSystem();
-        final RunningJob runningJob = _test("exit1");
-        waitFor(2000, new Predicate() {
-            @Override
-            public boolean evaluate() throws Exception {
-                return runningJob.isComplete();
-            }
-        });
-        assertTrue(runningJob.isSuccessful());
-
-        Configuration conf = new XConfiguration();
-        conf.set("user.name", getTestUser());
-        Map<String, String> actionData = LauncherHelper.getActionData(fs, 
actionDir, conf);
-        
assertTrue(fs.exists(LauncherHelper.getActionDataSequenceFilePath(actionDir)));
-        assertTrue(LauncherHelper.isMainDone(runningJob));
-        assertFalse(LauncherHelper.isMainSuccessful(runningJob));
-        assertFalse(LauncherHelper.hasOutputData(actionData));
-        assertFalse(LauncherHelper.hasIdSwap(actionData));
-        assertTrue(LauncherHelper.isMainDone(runningJob));
-        
assertTrue(actionData.containsKey(LauncherMapper.ACTION_DATA_ERROR_PROPS));
-    }
-
-    public void ___testException() throws Exception {
-        Path actionDir = getFsTestCaseDir();
-        FileSystem fs = getFileSystem();
-        final RunningJob runningJob = _test("exception");
-        waitFor(2000, new Predicate() {
-            @Override
-            public boolean evaluate() throws Exception {
-                return runningJob.isComplete();
-            }
-        });
-        assertTrue(runningJob.isSuccessful());
-
-        Configuration conf = new XConfiguration();
-        conf.set("user.name", getTestUser());
-        Map<String, String> actionData = LauncherHelper.getActionData(fs, 
actionDir, conf);
-        
assertTrue(fs.exists(LauncherHelper.getActionDataSequenceFilePath(actionDir)));
-        assertTrue(LauncherHelper.isMainDone(runningJob));
-        assertFalse(LauncherHelper.isMainSuccessful(runningJob));
-        assertFalse(LauncherHelper.hasOutputData(actionData));
-        assertFalse(LauncherHelper.hasIdSwap(actionData));
-        assertTrue(LauncherHelper.isMainDone(runningJob));
-    }
-
-    public void __testThrowable() throws Exception {
-        Path actionDir = getFsTestCaseDir();
-        FileSystem fs = getFileSystem();
-        final RunningJob runningJob = _test("throwable");
-        waitFor(2000, new Predicate() {
-            @Override
-            public boolean evaluate() throws Exception {
-                return runningJob.isComplete();
-            }
-        });
-        assertTrue(runningJob.isSuccessful());
-
-        Configuration conf = new XConfiguration();
-        conf.set("user.name", getTestUser());
-        Map<String, String> actionData = LauncherHelper.getActionData(fs, 
actionDir, conf);
-        
assertTrue(fs.exists(LauncherHelper.getActionDataSequenceFilePath(actionDir)));
-        assertTrue(LauncherHelper.isMainDone(runningJob));
-        assertFalse(LauncherHelper.isMainSuccessful(runningJob));
-        assertFalse(LauncherHelper.hasOutputData(actionData));
-        assertFalse(LauncherHelper.hasIdSwap(actionData));
-        assertTrue(LauncherHelper.isMainDone(runningJob));
-    }
-
-    public void __testOutput() throws Exception {
-        Path actionDir = getFsTestCaseDir();
-        FileSystem fs = getFileSystem();
-        final RunningJob runningJob = _test("out");
-        waitFor(2000, new Predicate() {
-            @Override
-            public boolean evaluate() throws Exception {
-                return runningJob.isComplete();
-            }
-        });
-        assertTrue(runningJob.isSuccessful());
-
-        Configuration conf = new XConfiguration();
-        conf.set("user.name", getTestUser());
-        Map<String, String> actionData = LauncherHelper.getActionData(fs, 
actionDir, conf);
-        
assertTrue(fs.exists(LauncherHelper.getActionDataSequenceFilePath(actionDir)));
-        assertTrue(LauncherHelper.isMainDone(runningJob));
-        assertTrue(LauncherHelper.isMainSuccessful(runningJob));
-        assertTrue(LauncherHelper.hasOutputData(actionData));
-        assertFalse(LauncherHelper.hasIdSwap(actionData));
-        assertTrue(LauncherHelper.isMainDone(runningJob));
-    }
-
-    public void __testNewId() throws Exception {
-        Path actionDir = getFsTestCaseDir();
-        FileSystem fs = getFileSystem();
-        final RunningJob runningJob = _test("id");
-        waitFor(2000, new Predicate() {
-            @Override
-            public boolean evaluate() throws Exception {
-                return runningJob.isComplete();
-            }
-        });
-        assertTrue(runningJob.isSuccessful());
-
-        Configuration conf = new XConfiguration();
-        conf.set("user.name", getTestUser());
-        Map<String, String> actionData = LauncherHelper.getActionData(fs, 
actionDir, conf);
-        
assertTrue(fs.exists(LauncherHelper.getActionDataSequenceFilePath(actionDir)));
-        assertTrue(LauncherHelper.isMainDone(runningJob));
-        assertTrue(LauncherHelper.isMainSuccessful(runningJob));
-        assertFalse(LauncherHelper.hasOutputData(actionData));
-        assertTrue(LauncherHelper.hasIdSwap(actionData));
-        assertTrue(LauncherHelper.isMainDone(runningJob));
-    }
-
-    public void __testSecurityManager() throws Exception {
-        Path actionDir = getFsTestCaseDir();
-        FileSystem fs = getFileSystem();
-        final RunningJob runningJob = _test("securityManager");
-        waitFor(2000, new Predicate() {
-            @Override
-            public boolean evaluate() throws Exception {
-                return runningJob.isComplete();
-            }
-        });
-        assertTrue(runningJob.isSuccessful());
-
-        Configuration conf = new XConfiguration();
-        conf.set("user.name", getTestUser());
-        Map<String, String> actionData = LauncherHelper.getActionData(fs, 
actionDir, conf);
-        
assertFalse(fs.exists(LauncherHelper.getActionDataSequenceFilePath(actionDir)));
-        assertTrue(LauncherHelper.isMainDone(runningJob));
-        assertTrue(LauncherHelper.isMainSuccessful(runningJob));
-        assertFalse(LauncherHelper.hasOutputData(actionData));
-        assertFalse(LauncherHelper.hasIdSwap(actionData));
-        assertTrue(LauncherHelper.isMainDone(runningJob));
-    }
-
     // Test to ensure that the property value "oozie.action.prepare.xml" in 
the configuration of the job is an empty
     // string when there is no prepare block in workflow XML or there is one 
with no prepare actions in it
     public void testSetupLauncherInfoWithEmptyPrepareXML() throws Exception {

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/core/src/test/java/org/apache/oozie/action/hadoop/TestLauncherInputFormatClassLocator.java
----------------------------------------------------------------------
diff --git 
a/core/src/test/java/org/apache/oozie/action/hadoop/TestLauncherInputFormatClassLocator.java
 
b/core/src/test/java/org/apache/oozie/action/hadoop/TestLauncherInputFormatClassLocator.java
deleted file mode 100644
index a6ccc5a..0000000
--- 
a/core/src/test/java/org/apache/oozie/action/hadoop/TestLauncherInputFormatClassLocator.java
+++ /dev/null
@@ -1,57 +0,0 @@
-/**
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.apache.oozie.action.hadoop;
-
-import org.apache.hadoop.mapreduce.InputFormat;
-import org.apache.oozie.service.ConfigurationService;
-
-public class TestLauncherInputFormatClassLocator extends 
ActionExecutorTestCase {
-
-    public void testInputFormatClassnameNotSet() {
-        ConfigurationService.set(
-                "oozie.action.launcher.mapreduce.input.format.class",
-                "");
-
-        final Class inputFormatClass = new 
LauncherInputFormatClassLocator().locateOrGet();
-
-        assertEquals("default launcher input format is found when 
configuration is left empty",
-                OozieLauncherInputFormat.class,
-                inputFormatClass);
-    }
-
-    public void testInputFormatClassnameDefault() {
-        final Class inputFormatClass = new 
LauncherInputFormatClassLocator().locateOrGet();
-
-        assertEquals("default launcher input format is found when 
configuration is left on default",
-                OozieLauncherInputFormat.class,
-                inputFormatClass);
-    }
-
-    public void testInputFormatClassnameSet() {
-        ConfigurationService.set(
-                "oozie.action.launcher.mapreduce.input.format.class",
-                InputFormat.class.getName());
-
-        final Class inputFormatClass = new 
LauncherInputFormatClassLocator().locateOrGet();
-
-        assertEquals("Hadoop launcher input format is found when configuration 
is set",
-                InputFormat.class,
-                inputFormatClass);
-    }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/core/src/test/java/org/apache/oozie/action/hadoop/TestMapReduceMain.java
----------------------------------------------------------------------
diff --git 
a/core/src/test/java/org/apache/oozie/action/hadoop/TestMapReduceMain.java 
b/core/src/test/java/org/apache/oozie/action/hadoop/TestMapReduceMain.java
index a4b9943..8c716e8 100644
--- a/core/src/test/java/org/apache/oozie/action/hadoop/TestMapReduceMain.java
+++ b/core/src/test/java/org/apache/oozie/action/hadoop/TestMapReduceMain.java
@@ -70,7 +70,7 @@ public class TestMapReduceMain extends MainTestCase {
         MapReduceMain.main(new String[0]);
 
         assertTrue(newId.exists());
-        assertNotNull(LauncherMapper.getLocalFileContentStr(newId, "", -1));
+        assertNotNull(LauncherAMUtils.getLocalFileContentStr(newId, "", -1));
         return null;
     }
 

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/core/src/test/java/org/apache/oozie/action/hadoop/TestShellActionExecutor.java
----------------------------------------------------------------------
diff --git 
a/core/src/test/java/org/apache/oozie/action/hadoop/TestShellActionExecutor.java
 
b/core/src/test/java/org/apache/oozie/action/hadoop/TestShellActionExecutor.java
index 72be0a2..8d0b441 100644
--- 
a/core/src/test/java/org/apache/oozie/action/hadoop/TestShellActionExecutor.java
+++ 
b/core/src/test/java/org/apache/oozie/action/hadoop/TestShellActionExecutor.java
@@ -268,7 +268,7 @@ public class TestShellActionExecutor extends 
ActionExecutorTestCase {
     public void testEnvVar() throws Exception {
         Services.get().destroy();
         Services services = new Services();
-        
services.getConf().setInt(LauncherMapper.CONF_OOZIE_ACTION_MAX_OUTPUT_DATA, 8 * 
1042);
+        
services.getConf().setInt(LauncherAMUtils.CONF_OOZIE_ACTION_MAX_OUTPUT_DATA, 8 
* 1042);
         services.init();
 
         FileSystem fs = getFileSystem();

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/core/src/test/java/org/apache/oozie/service/TestConfigurationService.java
----------------------------------------------------------------------
diff --git 
a/core/src/test/java/org/apache/oozie/service/TestConfigurationService.java 
b/core/src/test/java/org/apache/oozie/service/TestConfigurationService.java
index 7bc81c8..4cb2530 100644
--- a/core/src/test/java/org/apache/oozie/service/TestConfigurationService.java
+++ b/core/src/test/java/org/apache/oozie/service/TestConfigurationService.java
@@ -21,8 +21,7 @@ package org.apache.oozie.service;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.oozie.action.hadoop.CredentialsProviderFactory;
 import org.apache.oozie.action.hadoop.DistcpActionExecutor;
-import org.apache.oozie.action.hadoop.JavaActionExecutor;
-import org.apache.oozie.action.hadoop.LauncherMapper;
+import org.apache.oozie.action.hadoop.LauncherAMUtils;
 import org.apache.oozie.command.coord.CoordActionInputCheckXCommand;
 import org.apache.oozie.command.coord.CoordSubmitXCommand;
 import org.apache.oozie.command.wf.JobXCommand;
@@ -210,7 +209,7 @@ public class TestConfigurationService extends XTestCase {
         assertEquals("300000", 
ConfigurationService.get(JPAService.CONF_VALIDATE_DB_CONN_EVICTION_INTERVAL).trim());
         assertEquals("10", 
ConfigurationService.get(JPAService.CONF_VALIDATE_DB_CONN_EVICTION_NUM).trim());
 
-        assertEquals(2048, 
ConfigurationService.getInt(LauncherMapper.CONF_OOZIE_ACTION_MAX_OUTPUT_DATA));
+        assertEquals(2048, 
ConfigurationService.getInt(LauncherAMUtils.CONF_OOZIE_ACTION_MAX_OUTPUT_DATA));
         assertEquals("http://0.0.0.0:11000/oozie?job=";, 
ConfigurationService.get(JobXCommand.CONF_CONSOLE_URL));
         assertEquals(false, 
ConfigurationService.getBoolean(HadoopAccessorService.KERBEROS_AUTH_ENABLED));
 
@@ -245,7 +244,7 @@ public class TestConfigurationService extends XTestCase {
         assertEquals("org.apache.oozie.dependency.FSURIHandler",
                 
ConfigurationService.getStrings(URIHandlerService.URI_HANDLERS)[0]);
         
assertEquals(cl.getConf().getBoolean("oozie.hadoop-2.0.2-alpha.workaround.for.distributed.cache",
 false),
-                
ConfigurationService.getBoolean(LauncherMapper.HADOOP2_WORKAROUND_DISTRIBUTED_CACHE));
+                
ConfigurationService.getBoolean(LauncherAMUtils.HADOOP2_WORKAROUND_DISTRIBUTED_CACHE));
 
         assertEquals("org.apache.oozie.event.MemoryEventQueue",
                 (ConfigurationService.getClass(cl.getConf(), 
EventHandlerService.CONF_EVENT_QUEUE).getName()));

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/release-log.txt
----------------------------------------------------------------------
diff --git a/release-log.txt b/release-log.txt
index 3cd95af..de6aff5 100644
--- a/release-log.txt
+++ b/release-log.txt
@@ -1,5 +1,6 @@
 -- Oozie 5.0.0 release (trunk - unreleased)
 
+OOZIE-2918 Delete LauncherMapper and its test (asasvari via pbacsko)
 OOZIE-2733 change org.apache.hadoop.fs.permission.AccessControlException to 
org.apache.hadoop.security.AccessControlException (gezapeti)
 OOZIE-2884 consolidate hadoop versions in pomfiles (Artem Ervits via gezapeti)
 OOZIE-2794 Hive and Pig tests failing when multiple pre-commit jobs are 
running (gezapeti)

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/sharelib/distcp/src/main/java/org/apache/oozie/action/hadoop/DistcpMain.java
----------------------------------------------------------------------
diff --git 
a/sharelib/distcp/src/main/java/org/apache/oozie/action/hadoop/DistcpMain.java 
b/sharelib/distcp/src/main/java/org/apache/oozie/action/hadoop/DistcpMain.java
index d7cf9d9..d17d5be 100644
--- 
a/sharelib/distcp/src/main/java/org/apache/oozie/action/hadoop/DistcpMain.java
+++ 
b/sharelib/distcp/src/main/java/org/apache/oozie/action/hadoop/DistcpMain.java
@@ -55,7 +55,7 @@ public class DistcpMain extends JavaMain {
         Configuration actionConf = loadActionConf();
         LauncherMain.killChildYarnJobs(actionConf);
         String logFile = setUpDistcpLog4J(actionConf);
-        Class<?> klass = 
actionConf.getClass(LauncherMapper.CONF_OOZIE_ACTION_MAIN_CLASS,
+        Class<?> klass = 
actionConf.getClass(LauncherAMUtils.CONF_OOZIE_ACTION_MAIN_CLASS,
                 org.apache.hadoop.tools.DistCp.class);
         System.out.println("Main class        : " + klass.getName());
         System.out.println("Arguments         :");
@@ -125,7 +125,7 @@ public class DistcpMain extends JavaMain {
         String logFile = new File("distcp-oozie-" + hadoopJobId + 
".log").getAbsolutePath();
 
         String logLevel = distcpConf.get("oozie.distcp.log.level", "INFO");
-        String rootLogLevel = distcpConf.get("oozie.action." + 
LauncherMapper.ROOT_LOGGER_LEVEL, "INFO");
+        String rootLogLevel = distcpConf.get("oozie.action." + 
LauncherAMUtils.ROOT_LOGGER_LEVEL, "INFO");
 
         log4jProperties.setProperty("log4j.rootLogger", rootLogLevel + ", A");
         log4jProperties.setProperty("log4j.logger.org.apache.hadoop.tools", 
logLevel + ", A, jobid");

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/sharelib/hive/src/main/java/org/apache/oozie/action/hadoop/HiveMain.java
----------------------------------------------------------------------
diff --git 
a/sharelib/hive/src/main/java/org/apache/oozie/action/hadoop/HiveMain.java 
b/sharelib/hive/src/main/java/org/apache/oozie/action/hadoop/HiveMain.java
index 7b152f2..fb3fabf 100644
--- a/sharelib/hive/src/main/java/org/apache/oozie/action/hadoop/HiveMain.java
+++ b/sharelib/hive/src/main/java/org/apache/oozie/action/hadoop/HiveMain.java
@@ -136,7 +136,7 @@ public class HiveMain extends LauncherMain {
         String logFile = new File("hive-oozie-" + hadoopJobId + 
".log").getAbsolutePath();
 
         String logLevel = hiveConf.get("oozie.hive.log.level", "INFO");
-        String rootLogLevel = hiveConf.get("oozie.action." + 
LauncherMapper.ROOT_LOGGER_LEVEL, "INFO");
+        String rootLogLevel = hiveConf.get("oozie.action." + 
LauncherAMUtils.ROOT_LOGGER_LEVEL, "INFO");
 
         log4jProperties.setProperty("log4j.rootLogger", rootLogLevel + ", A");
         log4jProperties.setProperty("log4j.logger.org.apache.hadoop.hive", 
logLevel + ", A");

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/sharelib/hive/src/test/java/org/apache/oozie/action/hadoop/TestHiveActionExecutor.java
----------------------------------------------------------------------
diff --git 
a/sharelib/hive/src/test/java/org/apache/oozie/action/hadoop/TestHiveActionExecutor.java
 
b/sharelib/hive/src/test/java/org/apache/oozie/action/hadoop/TestHiveActionExecutor.java
index 71ee641..0e99fac 100644
--- 
a/sharelib/hive/src/test/java/org/apache/oozie/action/hadoop/TestHiveActionExecutor.java
+++ 
b/sharelib/hive/src/test/java/org/apache/oozie/action/hadoop/TestHiveActionExecutor.java
@@ -170,7 +170,7 @@ public class TestHiveActionExecutor extends 
ActionExecutorTestCase {
             assertNotNull(context.getExternalChildIDs());
             //while this works in a real cluster, it does not with miniMR
             
//assertTrue(outputData.getProperty(LauncherMain.HADOOP_JOBS).trim().length() > 
0);
-            
//assertTrue(!actionData.get(LauncherMapper.ACTION_DATA_EXTERNAL_CHILD_IDS).isEmpty());
+            
//assertTrue(!actionData.get(LauncherAMUtils.ACTION_DATA_EXTERNAL_CHILD_IDS).isEmpty());
             assertTrue(fs.exists(outputDir));
             assertTrue(fs.isDirectory(outputDir));
         }
@@ -193,7 +193,7 @@ public class TestHiveActionExecutor extends 
ActionExecutorTestCase {
             assertNotNull(context.getAction().getExternalChildIDs());
             //while this works in a real cluster, it does not with miniMR
             
//assertTrue(outputData.getProperty(LauncherMain.HADOOP_JOBS).trim().length() > 
0);
-            
//assertTrue(!actionData.get(LauncherMapper.ACTION_DATA_EXTERNAL_CHILD_IDS).isEmpty());
+            
//assertTrue(!actionData.get(LauncherAMUtils.ACTION_DATA_EXTERNAL_CHILD_IDS).isEmpty());
             assertTrue(fs.exists(outputDir));
             assertTrue(fs.isDirectory(outputDir));
         }
@@ -266,7 +266,7 @@ public class TestHiveActionExecutor extends 
ActionExecutorTestCase {
         Context context = createContext(getActionScriptXml());
         Namespace ns = Namespace.getNamespace("uri:oozie:hive-action:0.2");
         submitAction(context, ns);
-        FSDataInputStream os = fs.open(new Path(context.getActionDir(), 
LauncherMapper.ACTION_CONF_XML));
+        FSDataInputStream os = fs.open(new Path(context.getActionDir(), 
LauncherAMUtils.ACTION_CONF_XML));
         XConfiguration conf = new XConfiguration();
         conf.addResource(os);
         assertNull(conf.get("oozie.HadoopAccessorService.created"));

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/sharelib/hive/src/test/java/org/apache/oozie/action/hadoop/TestHiveMain.java
----------------------------------------------------------------------
diff --git 
a/sharelib/hive/src/test/java/org/apache/oozie/action/hadoop/TestHiveMain.java 
b/sharelib/hive/src/test/java/org/apache/oozie/action/hadoop/TestHiveMain.java
index bbd6246..35c2865 100644
--- 
a/sharelib/hive/src/test/java/org/apache/oozie/action/hadoop/TestHiveMain.java
+++ 
b/sharelib/hive/src/test/java/org/apache/oozie/action/hadoop/TestHiveMain.java
@@ -135,7 +135,8 @@ public class TestHiveMain extends MainTestCase {
             setSystemProperty("oozie.action.conf.xml", 
actionXml.getAbsolutePath());
             setSystemProperty("oozie.action.externalChildIDs", 
externalChildIdsFile.getAbsolutePath());
 
-            new LauncherSecurityManager();
+            LauncherAM.LauncherSecurityManager launcherSecurityManager = new 
LauncherAM.LauncherSecurityManager();
+            launcherSecurityManager.enable();
             String user = System.getProperty("user.name");
             try {
                 os = new FileOutputStream(hiveSite);
@@ -145,10 +146,10 @@ public class TestHiveMain extends MainTestCase {
                 HiveMain.main(null);
             }
             catch (SecurityException ex) {
-                if (LauncherSecurityManager.getExitInvoked()) {
-                    System.out.println("Intercepting System.exit(" + 
LauncherSecurityManager.getExitCode() + ")");
-                    System.err.println("Intercepting System.exit(" + 
LauncherSecurityManager.getExitCode() + ")");
-                    if (LauncherSecurityManager.getExitCode() != 0) {
+                if (launcherSecurityManager.getExitInvoked()) {
+                    System.out.println("Intercepting System.exit(" + 
launcherSecurityManager.getExitCode() + ")");
+                    System.err.println("Intercepting System.exit(" + 
launcherSecurityManager.getExitCode() + ")");
+                    if (launcherSecurityManager.getExitCode() != 0) {
                         fail();
                     }
                 }
@@ -163,7 +164,7 @@ public class TestHiveMain extends MainTestCase {
             }
 
             assertTrue(externalChildIdsFile.exists());
-            
assertNotNull(LauncherMapper.getLocalFileContentStr(externalChildIdsFile, "", 
-1));
+            
assertNotNull(LauncherAMUtils.getLocalFileContentStr(externalChildIdsFile, "", 
-1));
 
 //TODO: I cannot figure out why when log file is not created in this testcase, 
it works when running in Launcher
 //            Properties props = new Properties();

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/sharelib/oozie/src/main/java/org/apache/oozie/action/hadoop/FSLauncherURIHandler.java
----------------------------------------------------------------------
diff --git 
a/sharelib/oozie/src/main/java/org/apache/oozie/action/hadoop/FSLauncherURIHandler.java
 
b/sharelib/oozie/src/main/java/org/apache/oozie/action/hadoop/FSLauncherURIHandler.java
index 512730a..fd6c283 100644
--- 
a/sharelib/oozie/src/main/java/org/apache/oozie/action/hadoop/FSLauncherURIHandler.java
+++ 
b/sharelib/oozie/src/main/java/org/apache/oozie/action/hadoop/FSLauncherURIHandler.java
@@ -58,7 +58,7 @@ public class FSLauncherURIHandler implements 
LauncherURIHandler {
             FileSystem fs = FileSystem.get(uri, conf);
             Path[] pathArr = 
FileUtil.stat2Paths(fs.globStatus(getNormalizedPath(uri)));
             if (pathArr != null && pathArr.length > 0) {
-                int fsGlobMax = 
conf.getInt(LauncherMapper.CONF_OOZIE_ACTION_FS_GLOB_MAX, 1000);
+                int fsGlobMax = 
conf.getInt(LauncherAMUtils.CONF_OOZIE_ACTION_FS_GLOB_MAX, 1000);
                 if (pathArr.length > fsGlobMax) {
                     throw new LauncherException("exceeds max number (" + 
fsGlobMax
                             + ") of files/dirs to delete in <prepare>");

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/sharelib/oozie/src/main/java/org/apache/oozie/action/hadoop/JavaMain.java
----------------------------------------------------------------------
diff --git 
a/sharelib/oozie/src/main/java/org/apache/oozie/action/hadoop/JavaMain.java 
b/sharelib/oozie/src/main/java/org/apache/oozie/action/hadoop/JavaMain.java
index c3e3d3f..f98c781 100644
--- a/sharelib/oozie/src/main/java/org/apache/oozie/action/hadoop/JavaMain.java
+++ b/sharelib/oozie/src/main/java/org/apache/oozie/action/hadoop/JavaMain.java
@@ -28,7 +28,7 @@ public class JavaMain extends LauncherMain {
     public static final String JAVA_MAIN_CLASS = "oozie.action.java.main";
 
    /**
-    * @param args Invoked from LauncherMapper:map()
+    * @param args Invoked from LauncherAM:run()
     * @throws Exception
     */
     public static void main(String[] args) throws Exception {

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/sharelib/oozie/src/main/java/org/apache/oozie/action/hadoop/LauncherAM.java
----------------------------------------------------------------------
diff --git 
a/sharelib/oozie/src/main/java/org/apache/oozie/action/hadoop/LauncherAM.java 
b/sharelib/oozie/src/main/java/org/apache/oozie/action/hadoop/LauncherAM.java
index 4f252d1..bac17b2 100644
--- 
a/sharelib/oozie/src/main/java/org/apache/oozie/action/hadoop/LauncherAM.java
+++ 
b/sharelib/oozie/src/main/java/org/apache/oozie/action/hadoop/LauncherAM.java
@@ -537,7 +537,7 @@ public class LauncherAM {
     }
 
     private String[] getMainArguments(Configuration conf) {
-        return LauncherMapper.getMainArguments(conf);
+        return LauncherAMUtils.getMainArguments(conf);
     }
 
     public static class LauncherSecurityManager extends SecurityManager {
@@ -593,6 +593,11 @@ public class LauncherAM {
                 System.setSecurityManager(originalSecurityManager);
             }
         }
+
+        public void reset() {
+            exitInvoked = false;
+            exitCode = 0;
+        }
     }
 
     public enum OozieActionResult {
@@ -611,4 +616,4 @@ public class LauncherAM {
             return yarnStatus;
         }
     }
-}
\ No newline at end of file
+}

http://git-wip-us.apache.org/repos/asf/oozie/blob/c09561ff/sharelib/oozie/src/main/java/org/apache/oozie/action/hadoop/LauncherAMUtils.java
----------------------------------------------------------------------
diff --git 
a/sharelib/oozie/src/main/java/org/apache/oozie/action/hadoop/LauncherAMUtils.java
 
b/sharelib/oozie/src/main/java/org/apache/oozie/action/hadoop/LauncherAMUtils.java
new file mode 100644
index 0000000..74c7af0
--- /dev/null
+++ 
b/sharelib/oozie/src/main/java/org/apache/oozie/action/hadoop/LauncherAMUtils.java
@@ -0,0 +1,108 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.oozie.action.hadoop;
+
+import com.google.common.base.Strings;
+import org.apache.hadoop.conf.Configuration;
+
+import java.io.File;
+import java.io.FileReader;
+import java.io.IOException;
+
+public class LauncherAMUtils {
+
+    static final String CONF_OOZIE_ACTION_MAIN_CLASS = 
"oozie.launcher.action.main.class";
+
+    static final String ACTION_PREFIX = "oozie.action.";
+    public static final String CONF_OOZIE_ACTION_MAX_OUTPUT_DATA = 
ACTION_PREFIX + "max.output.data";
+    static final String CONF_OOZIE_ACTION_MAIN_ARG_COUNT = ACTION_PREFIX + 
"main.arg.count";
+    static final String CONF_OOZIE_ACTION_MAIN_ARG_PREFIX = ACTION_PREFIX + 
"main.arg.";
+    static final String CONF_OOZIE_EXTERNAL_STATS_MAX_SIZE = 
"oozie.external.stats.max.size";
+    static final String OOZIE_ACTION_CONFIG_CLASS = ACTION_PREFIX + 
"config.class";
+    static final String CONF_OOZIE_ACTION_FS_GLOB_MAX = ACTION_PREFIX + 
"fs.glob.max";
+    static final String CONF_OOZIE_NULL_ARGS_ALLOWED = ACTION_PREFIX + 
"null.args.allowed";
+
+    static final String COUNTER_GROUP = "oozie.launcher";
+    static final String COUNTER_LAUNCHER_ERROR = "oozie.launcher.error";
+
+    static final String OOZIE_JOB_ID = "oozie.job.id";
+    static final String OOZIE_ACTION_ID = ACTION_PREFIX + "id";
+    static final String OOZIE_ACTION_RECOVERY_ID = ACTION_PREFIX + 
"recovery.id";
+
+    static final String OOZIE_ACTION_DIR_PATH = ACTION_PREFIX + "dir.path";
+    static final String ACTION_CONF_XML = "action.xml";
+    static final String ACTION_PREPARE_XML = "oozie.action.prepare.xml";
+    static final String ACTION_DATA_SEQUENCE_FILE = "action-data.seq"; // 
COMBO FILE
+    static final String ACTION_DATA_EXTERNAL_CHILD_IDS = "externalChildIDs";
+    static final String ACTION_DATA_OUTPUT_PROPS = "output.properties";
+    static final String ACTION_DATA_STATS = "stats.properties";
+    static final String ACTION_DATA_NEW_ID = "newId";
+    static final String ACTION_DATA_ERROR_PROPS = "error.properties";
+    public static final String HADOOP2_WORKAROUND_DISTRIBUTED_CACHE = 
"oozie.hadoop-2.0.2-alpha.workaround.for.distributed.cache";
+    public static final String PROPAGATION_CONF_XML = "propagation-conf.xml";
+    public static final String ROOT_LOGGER_LEVEL = "rootlogger.log.level";
+
+
+    public static String getLocalFileContentStr(File file, String type, int 
maxLen) throws LauncherException, IOException {
+        StringBuffer sb = new StringBuffer();
+        FileReader reader = new FileReader(file);
+        char[] buffer = new char[2048];
+        int read;
+        int count = 0;
+        while ((read = reader.read(buffer)) > -1) {
+            count += read;
+            if (maxLen > -1 && count > maxLen) {
+                throw new LauncherException(type + " data exceeds its limit 
["+ maxLen + "]");
+            }
+            sb.append(buffer, 0, read);
+        }
+        reader.close();
+        return sb.toString();
+    }
+
+    public static String[] getMainArguments(Configuration conf) {
+        String[] args = new 
String[conf.getInt(CONF_OOZIE_ACTION_MAIN_ARG_COUNT, 0)];
+
+        String[] retArray;
+
+        if (conf.getBoolean(CONF_OOZIE_NULL_ARGS_ALLOWED, true)) {
+            for (int i = 0; i < args.length; i++) {
+                args[i] = conf.get(CONF_OOZIE_ACTION_MAIN_ARG_PREFIX + i);
+            }
+
+            retArray = args;
+        } else {
+            int pos = 0;
+            for (int i = 0; i < args.length; i++) {
+                String arg = conf.get(CONF_OOZIE_ACTION_MAIN_ARG_PREFIX + i);
+                if (!Strings.isNullOrEmpty(arg)) {
+                    args[pos++] = conf.get(CONF_OOZIE_ACTION_MAIN_ARG_PREFIX + 
i);
+                }
+            }
+
+            // this is to skip null args, that is <arg></arg> in the workflow 
XML -- in this case,
+            // args[] might look like {"arg1", "arg2", null, null} at this 
point
+            retArray = new String[pos];
+            System.arraycopy(args, 0, retArray, 0, pos);
+        }
+
+        return retArray;
+    }
+}
+

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