SSDM-3745: Jython27ClassLoader fixed: defining package in loadClass()

SVN: 36813

datastore_server/source/java/ch/systemsx/cisd/openbis/dss/generic/shared/utils/Jython27ClassLoader.java

@@ -99,9 +99,25 @@ public class Jython27ClassLoader extends ClassLoader
             resolveClass(clazz);
         }
         cachedClasses.put(name, clazz);
+        definePackage(name);
         return clazz;
     }
     
+    private void definePackage(String className)
+    {
+        String packageName = getPackageName(className);
+        if (getPackage(packageName) == null)
+        {
+            definePackage(packageName, null, null, null, null, null, null, null);
+        }
+    }
+    
+    private String getPackageName(String className)
+    {
+        int offset = className.lastIndexOf('.');
+        return (offset == -1) ? null : className.substring(0, offset);
+    }
+    
     @Override
     public URL getResource(String name)
     {