diff --git a/contrib/dataimporthandler/CHANGES.txt b/contrib/dataimporthandler/CHANGES.txt
index e78a1d9bdc1..6def8b8ccbc 100644
--- a/contrib/dataimporthandler/CHANGES.txt
+++ b/contrib/dataimporthandler/CHANGES.txt
@@ -22,9 +22,13 @@ New Features
 ----------------------
 
 * SOLR-1525 allow DIH to refer to core properties (noble)
+
 * SOLR-1547 TemplateTransformer copy objects more intelligently when there when the template is a single variable (noble)
+
 * SOLR-1627 VariableResolver should be fetched just in time (noble)
-* SOLR-1583 Create DataSources that return InputStream (noble) 
+
+* SOLR-1583 Create DataSources that return InputStream (noble)
+
 
 Optimizations
 ----------------------
@@ -36,6 +40,8 @@ Bug Fixes
 
 * SOLR-1639: Fixed misleading error message when dataimport.properties is not writable (shalin)
 
+* SOLR-1598: Reader used in PlainTextEntityProcessor is not explicitly closed (Sascha Szott via noble)
+
 Other Changes
 ----------------------
 
diff --git a/contrib/dataimporthandler/src/main/java/org/apache/solr/handler/dataimport/PlainTextEntityProcessor.java b/contrib/dataimporthandler/src/main/java/org/apache/solr/handler/dataimport/PlainTextEntityProcessor.java
index 4b18d3c0d8d..f61d51e688b 100644
--- a/contrib/dataimporthandler/src/main/java/org/apache/solr/handler/dataimport/PlainTextEntityProcessor.java
+++ b/contrib/dataimporthandler/src/main/java/org/apache/solr/handler/dataimport/PlainTextEntityProcessor.java
@@ -19,6 +19,7 @@ package org.apache.solr.handler.dataimport;
 import static org.apache.solr.handler.dataimport.DataImportHandlerException.SEVERE;
 import static org.apache.solr.handler.dataimport.DataImportHandlerException.wrapAndThrow;
 import static org.apache.solr.handler.dataimport.XPathEntityProcessor.URL;
+import org.apache.commons.io.IOUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -77,6 +78,7 @@ public class PlainTextEntityProcessor extends EntityProcessorBase {
     Map<String, Object> row = new HashMap<String, Object>();
     row.put(PLAIN_TEXT, sw.toString());
     ended = true;
+    IOUtils.closeQuietly(r);
     return row;
   }