Thanks Dennis, you were right when you were talking about simplifying the code and having the default licenses removed :-)

Cheers, Sergey
On 05/09/17 20:32, d...@apache.org wrote:
Repository: cxf
Updated Branches:
   refs/heads/master 70ac8edcc -> 3453c6cca


fixed NPE


Project: http://git-wip-us.apache.org/repos/asf/cxf/repo
Commit: http://git-wip-us.apache.org/repos/asf/cxf/commit/3453c6cc
Tree: http://git-wip-us.apache.org/repos/asf/cxf/tree/3453c6cc
Diff: http://git-wip-us.apache.org/repos/asf/cxf/diff/3453c6cc

Branch: refs/heads/master
Commit: 3453c6ccac9bb829af8ecc65823e66b68db3e831
Parents: 70ac8ed
Author: Dennis Kieselhorst <d...@apache.org>
Authored: Tue Sep 5 21:32:27 2017 +0200
Committer: Dennis Kieselhorst <d...@apache.org>
Committed: Tue Sep 5 21:32:27 2017 +0200

----------------------------------------------------------------------
  .../main/java/org/apache/cxf/jaxrs/swagger/Swagger2Feature.java    | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/cxf/blob/3453c6cc/rt/rs/description-swagger/src/main/java/org/apache/cxf/jaxrs/swagger/Swagger2Feature.java
----------------------------------------------------------------------
diff --git 
a/rt/rs/description-swagger/src/main/java/org/apache/cxf/jaxrs/swagger/Swagger2Feature.java
 
b/rt/rs/description-swagger/src/main/java/org/apache/cxf/jaxrs/swagger/Swagger2Feature.java
index 33ee47c..4679e6e 100644
--- 
a/rt/rs/description-swagger/src/main/java/org/apache/cxf/jaxrs/swagger/Swagger2Feature.java
+++ 
b/rt/rs/description-swagger/src/main/java/org/apache/cxf/jaxrs/swagger/Swagger2Feature.java
@@ -305,7 +305,7 @@ public class Swagger2Feature extends AbstractSwaggerFeature 
{
          if (theLicense == null && !licenseWasSet) {
              if (props != null) {
                  theLicense = props.getProperty(LICENSE_PROPERTY);
-                if (theLicense.isEmpty()) {
+                if (theLicense != null && theLicense.isEmpty()) {
                      theLicense = null;
                  }
              } else {

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