(camel) branch main updated: CAMEL-21572: fix java.lang.NullPointerException when using SetHeader and Stub (#16657)

[davsclaus]

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davsclaus pushed a commit to branch main
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The following commit(s) were added to refs/heads/main by this push:
     new bacd4e510f9 CAMEL-21572: fix java.lang.NullPointerException when using 
SetHeader and Stub (#16657)
bacd4e510f9 is described below

commit bacd4e510f9c17c66c8171bb19e600cdf742badd
Author: Bartosz Popiela <bartosz...@gmail.com>
AuthorDate: Fri Dec 27 10:13:23 2024 +0100

    CAMEL-21572: fix java.lang.NullPointerException when using SetHeader and 
Stub (#16657)
---
 .../main/java/org/apache/camel/support/builder/ExpressionBuilder.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git 
a/core/camel-support/src/main/java/org/apache/camel/support/builder/ExpressionBuilder.java
 
b/core/camel-support/src/main/java/org/apache/camel/support/builder/ExpressionBuilder.java
index 9d27fc8adac..8508272a029 100644
--- 
a/core/camel-support/src/main/java/org/apache/camel/support/builder/ExpressionBuilder.java
+++ 
b/core/camel-support/src/main/java/org/apache/camel/support/builder/ExpressionBuilder.java
@@ -2209,7 +2209,7 @@ public class ExpressionBuilder {
                         expression.init(context);
                         if (expression instanceof ConstantExpressionAdapter 
constantExpressionAdapter) {
                             Object value = 
constantExpressionAdapter.getValue();
-                            preprocessedExpression.add(value.toString());
+                            preprocessedExpression.add(String.valueOf(value));
                         } else {
                             preprocessedExpression.add(expression);
                             constantsOnly = false;