diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/CastExpr.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/CastExpr.java
index 89b5138619a790..3094288fc7aad3 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/CastExpr.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/CastExpr.java
@@ -61,6 +61,7 @@ public CastExpr(Type targetType, Expr e) {
             try {
                 analyze();
             } catch (AnalysisException ex) {
+                LOG.warn("Implicit casts fail", ex);
                 Preconditions.checkState(false,
                         "Implicit casts should never throw analysis exception.");
             }
diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/TupleIsNullPredicate.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/TupleIsNullPredicate.java
index fedf720b3cdda1..3fb45566e07d93 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/TupleIsNullPredicate.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/TupleIsNullPredicate.java
@@ -146,7 +146,7 @@ public static Expr wrapExpr(Expr expr, List<TupleId> tids, Analyzer analyzer)
      * Throws an InternalException if expr evaluation in the BE failed.
      */
     private static boolean requiresNullWrapping(Expr expr, Analyzer analyzer) {
-        if (expr.isConstant()) {
+        if (expr.isConstant() || expr.getType().isNull()) {
             return false;
         }
         return true;
diff --git a/fe/fe-core/src/test/java/org/apache/doris/analysis/SelectStmtTest.java b/fe/fe-core/src/test/java/org/apache/doris/analysis/SelectStmtTest.java
index 396cd35dcd036d..84c7757712027c 100644
--- a/fe/fe-core/src/test/java/org/apache/doris/analysis/SelectStmtTest.java
+++ b/fe/fe-core/src/test/java/org/apache/doris/analysis/SelectStmtTest.java
@@ -343,4 +343,11 @@ public void testMultrGroupByInCorrelationSubquery() throws Exception {
         String sql = "SELECT * from baseall where k1 > (select min(k1) from tbl1 where baseall.k1 = tbl1.k4 and baseall.k2 = tbl1.k2)";
         dorisAssert.query(sql).explainQuery();
     }
+
+    @Test
+    public void testOuterJoinNullUnionView() throws Exception{
+        String sql = "WITH test_view(k) AS(SELECT NULL AS k UNION ALL SELECT NULL AS k )\n" +
+                "SELECT v1.k FROM test_view AS v1 LEFT OUTER JOIN test_view AS v2 ON v1.k=v2.k";
+        dorisAssert.query(sql).explainQuery();
+    }
 }