diff --git a/solr/CHANGES.txt b/solr/CHANGES.txt
index e7b8dd1f118..7fdba2c419e 100644
--- a/solr/CHANGES.txt
+++ b/solr/CHANGES.txt
@@ -96,6 +96,8 @@ Bug Fixes
 
 * SOLR-8777: Duplicate Solr process can cripple a running process. (Jessica Cheng Mallet, Scott Blum, shalin)
 
+* SOLR-9246: If the JDBCStream sees an unknown column type it will now throw a detailed exception. (Dennis Gove)
+
 Optimizations
 ----------------------
 
diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/stream/JDBCStream.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/stream/JDBCStream.java
index d1a301e1276..f57beac8aa4 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/io/stream/JDBCStream.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/stream/JDBCStream.java
@@ -225,6 +225,7 @@ public class JDBCStream extends TupleStream implements Expressible {
       final int columnNumber = columnIdx + 1; // cause it starts at 1        
       final String columnName = metadata.getColumnName(columnNumber);
       String className = metadata.getColumnClassName(columnNumber);
+      String typeName = metadata.getColumnTypeName(columnNumber);
             
       if(directSupportedTypes.contains(className)){
         valueSelectors[columnIdx] = new ResultSetValueSelector() {
@@ -274,6 +275,9 @@ public class JDBCStream extends TupleStream implements Expressible {
           }
         };
       }
+      else{
+        throw new SQLException(String.format(Locale.ROOT, "Unable to determine the valueSelector for column '%s' (col #%d) of java class '%s' and type '%s'", columnName, columnNumber, className, typeName));
+      }
     }
     
     return valueSelectors;
diff --git a/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/JDBCStreamTest.java b/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/JDBCStreamTest.java
index 0315cfec0e1..980d0e772b8 100644
--- a/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/JDBCStreamTest.java
+++ b/solr/solrj/src/test/org/apache/solr/client/solrj/io/stream/JDBCStreamTest.java
@@ -84,6 +84,7 @@ public class JDBCStreamTest extends SolrCloudTestCase {
     statement.executeUpdate("create table COUNTRIES(CODE varchar(3) not null primary key, COUNTRY_NAME varchar(50), DELETED char(1) default 'N')");
     statement.executeUpdate("create table PEOPLE(ID int not null primary key, NAME varchar(50), COUNTRY_CODE char(2), DELETED char(1) default 'N')");
     statement.executeUpdate("create table PEOPLE_SPORTS(ID int not null primary key, PERSON_ID int, SPORT_NAME varchar(50), DELETED char(1) default 'N')");
+    statement.executeUpdate("create table UNSUPPORTED_COLUMNS(ID int not null primary key, UNSP binary)");
     
   }
 
@@ -109,6 +110,7 @@ public class JDBCStreamTest extends SolrCloudTestCase {
       statement.executeUpdate("delete from COUNTRIES WHERE 1=1");
       statement.executeUpdate("delete from PEOPLE WHERE 1=1");
       statement.executeUpdate("delete from PEOPLE_SPORTS WHERE 1=1");
+      statement.executeUpdate("delete from UNSUPPORTED_COLUMNS WHERE 1=1");
     }
   }
 
@@ -497,6 +499,20 @@ public class JDBCStreamTest extends SolrCloudTestCase {
     
   }
   
+  @Test(expected=IOException.class)
+  public void testUnsupportedColumns() throws Exception {
+
+    // No need to load table with any data
+    
+    TupleStream stream;
+    
+    // Simple 1
+    stream = new JDBCStream("jdbc:hsqldb:mem:.", "select ID,UNSP from UNSUPPORTED_COLUMNS",
+        new FieldComparator("CODE", ComparatorOrder.ASCENDING));
+    getTuples(stream);
+        
+  }
+  
   protected List<Tuple> getTuples(TupleStream tupleStream) throws IOException {
     tupleStream.open();
     List<Tuple> tuples = new ArrayList<Tuple>();