diff --git a/hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/scheduler/SLSCapacityScheduler.java b/hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/scheduler/SLSCapacityScheduler.java
index a3182042f8..e0cb15138f 100644
--- a/hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/scheduler/SLSCapacityScheduler.java
+++ b/hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/scheduler/SLSCapacityScheduler.java
@@ -63,7 +63,6 @@
 @Unstable
 public class SLSCapacityScheduler extends CapacityScheduler implements
         SchedulerWrapper,Configurable {
-
   private Configuration conf;
  
   private Map<ApplicationAttemptId, String> appQueueMap =
@@ -99,7 +98,7 @@ public void setConf(Configuration conf) {
             CapacityScheduler.class);
         schedulerMetrics.init(this, conf);
       } catch (Exception e) {
-        e.printStackTrace();
+        LOG.error("Caught exception while initializing schedulerMetrics", e);
       }
     }
   }
@@ -129,7 +128,7 @@ public Allocation allocate(ApplicationAttemptId attemptId,
           updateQueueWithAllocateRequest(allocation, attemptId,
                   resourceRequests, containerIds);
         } catch (IOException e) {
-          e.printStackTrace();
+          LOG.error("Caught exception while executing finally block", e);
         }
       }
     } else {
@@ -376,7 +375,7 @@ public void serviceStop() throws Exception {
         schedulerMetrics.tearDown();
       }
     } catch (Exception e) {
-      e.printStackTrace();
+      LOG.error("Caught exception while stopping service", e);
     }
     super.serviceStop();
   }
diff --git a/hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/scheduler/SLSFairScheduler.java b/hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/scheduler/SLSFairScheduler.java
index 7298c056ed..84549bc492 100644
--- a/hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/scheduler/SLSFairScheduler.java
+++ b/hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/scheduler/SLSFairScheduler.java
@@ -92,7 +92,7 @@ public void setConf(Configuration conf) {
             FairScheduler.class);
         schedulerMetrics.init(this, conf);
       } catch (Exception e) {
-        e.printStackTrace();
+        LOG.error("Caught exception while initializing schedulerMetrics", e);
       }
     }
   }
@@ -122,7 +122,7 @@ public Allocation allocate(ApplicationAttemptId attemptId,
           updateQueueWithAllocateRequest(allocation, attemptId,
               resourceRequests, containerIds);
         } catch (IOException e) {
-          e.printStackTrace();
+          LOG.error("Caught exception while executing finally block", e);
         }
       }
     } else {
@@ -332,7 +332,7 @@ public void serviceStop() throws Exception {
         schedulerMetrics.tearDown();
       }
     } catch (Exception e) {
-      e.printStackTrace();
+      LOG.error("Caught exception while stopping service", e);
     }
     super.serviceStop();
   }
diff --git a/hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/scheduler/TaskRunner.java b/hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/scheduler/TaskRunner.java
index 19cfe88d1a..167845522b 100644
--- a/hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/scheduler/TaskRunner.java
+++ b/hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/scheduler/TaskRunner.java
@@ -26,10 +26,14 @@
 
 import org.apache.hadoop.classification.InterfaceAudience.Private;
 import org.apache.hadoop.classification.InterfaceStability.Unstable;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 @Private
 @Unstable
 public class TaskRunner {
+  private static final Logger LOG = LoggerFactory.getLogger(TaskRunner.class);
+
   @Private
   @Unstable
   public abstract static class Task implements Runnable, Delayed {
@@ -98,7 +102,7 @@ public final void run() {
           lastStep();
         }
       } catch (Exception e) {
-        e.printStackTrace();
+        LOG.error("Caught exception while executing Taskrunner", e);
         Thread.getDefaultUncaughtExceptionHandler()
             .uncaughtException(Thread.currentThread(), e);
       }
diff --git a/hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/web/SLSWebApp.java b/hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/web/SLSWebApp.java
index b3b7a82403..191c462404 100644
--- a/hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/web/SLSWebApp.java
+++ b/hadoop-tools/hadoop-sls/src/main/java/org/apache/hadoop/yarn/sls/web/SLSWebApp.java
@@ -50,10 +50,14 @@
 import com.codahale.metrics.Gauge;
 import com.codahale.metrics.Histogram;
 import com.codahale.metrics.MetricRegistry;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 @Private
 @Unstable
 public class SLSWebApp extends HttpServlet {
+  private static final Logger LOG = LoggerFactory.getLogger(SLSWebApp.class);
+
   private static final long serialVersionUID = 1905162041950251407L;
   private transient Server server;
   private transient SchedulerWrapper wrapper;
@@ -101,7 +105,7 @@ public class SLSWebApp extends HttpServlet {
       trackTemplate = IOUtils.toString(
           cl.getResourceAsStream("html/track.html.template"), StandardCharsets.UTF_8);
     } catch (IOException e) {
-      e.printStackTrace();
+      LOG.error("Caught exception while initializing templates", e);
     }
   }
 
@@ -166,7 +170,7 @@ public void handle(String target, Request baseRequest,
                 printJsonTrack(request, response);
               }
         } catch (Exception e) {
-          e.printStackTrace();
+          LOG.error("Caught exception while starting SLSWebApp", e);
         }
       }
     };