diff --git a/solr/contrib/uima/src/java/org/apache/solr/uima/processor/UIMAToSolrMapper.java b/solr/contrib/uima/src/java/org/apache/solr/uima/processor/UIMAToSolrMapper.java
index 77dcceae79d..a4b3e7aea58 100644
--- a/solr/contrib/uima/src/java/org/apache/solr/uima/processor/UIMAToSolrMapper.java
+++ b/solr/contrib/uima/src/java/org/apache/solr/uima/processor/UIMAToSolrMapper.java
@@ -17,8 +17,6 @@ package org.apache.solr.uima.processor;
  * limitations under the License.
  */
 
-import java.util.Map;
-
 import org.apache.solr.common.SolrInputDocument;
 import org.apache.solr.uima.processor.SolrUIMAConfiguration.MapField;
 import org.apache.uima.cas.FSIterator;
@@ -29,6 +27,8 @@ import org.apache.uima.jcas.tcas.Annotation;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.util.Map;
+
 /**
  * Map UIMA types and features over fields of a Solr document
  * 
@@ -64,16 +64,18 @@ public class UIMAToSolrMapper {
           String fieldNameFeatureValue = fieldNameFeature == null ? null :
               fs.getFeatureValueAsString(type.getFeatureByBaseName(fieldNameFeature));
           String fieldName = mapField.getFieldName(fieldNameFeatureValue);
-          log.info(new StringBuilder("mapping ").append(typeName).append("@").append(featureName)
-              .append(" to ").append(fieldName).toString());
+          if (log.isInfoEnabled()) {
+            log.info("mapping {}@{} to {}", new Object[]{typeName, featureName, fieldName});
+          }
           String featureValue;
           if (fs instanceof Annotation && "coveredText".equals(featureName)) {
             featureValue = ((Annotation) fs).getCoveredText();
           } else {
             featureValue = fs.getFeatureValueAsString(type.getFeatureByBaseName(featureName));
           }
-          log.info(new StringBuilder("writing ").append(featureValue).append(" in ").append(
-              fieldName).toString());
+          if (log.isDebugEnabled()) {
+            log.debug("writing {} in {}", new Object[]{featureValue, fieldName});
+          }
           document.addField(fieldName, featureValue, 1.0f);
         }
       }
diff --git a/solr/contrib/uima/src/java/org/apache/solr/uima/processor/UIMAUpdateRequestProcessor.java b/solr/contrib/uima/src/java/org/apache/solr/uima/processor/UIMAUpdateRequestProcessor.java
index e8fec2ecd70..c7ef117751a 100644
--- a/solr/contrib/uima/src/java/org/apache/solr/uima/processor/UIMAUpdateRequestProcessor.java
+++ b/solr/contrib/uima/src/java/org/apache/solr/uima/processor/UIMAUpdateRequestProcessor.java
@@ -111,9 +111,9 @@ public class UIMAUpdateRequestProcessor extends UpdateRequestProcessor {
         debugString = " null text";
       }
       if (solrUIMAConfiguration.isIgnoreErrors()) {
-        log.warn(new StringBuilder("skip the text processing due to ")
+        log.warn("skip the text processing due to {}",new StringBuilder()
           .append(e.getLocalizedMessage()).append(optionalFieldInfo)
-          .append(debugString).toString());
+          .append(debugString));
       } else {
         throw new SolrException(ErrorCode.SERVER_ERROR,
             new StringBuilder("processing error ")
@@ -150,7 +150,9 @@ public class UIMAUpdateRequestProcessor extends UpdateRequestProcessor {
   /* process a field value executing UIMA the CAS containing it as document text */
   private JCas processText(String textFieldValue) throws ResourceInitializationException,
           AnalysisEngineProcessException {
-    log.info(new StringBuilder("Analyzing text").toString());
+    if (log.isDebugEnabled()) {
+      log.debug("Analyzing text");
+    }
     /* get the UIMA analysis engine */
     AnalysisEngine ae = aeProvider.getAE();
 
@@ -160,7 +162,9 @@ public class UIMAUpdateRequestProcessor extends UpdateRequestProcessor {
 
     /* perform analysis on text field */
     ae.process(jcas);
-    log.info("Text processing completed");
+    if (log.isDebugEnabled()) {
+      log.debug("Text processing completed");
+    }
     return jcas;
   }