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I have two Spring Boot (1.5.6) applications using Http Invoker (one as Server, and one as Client side). The Server HTTP Invoker is deployed on a remote server, and i am running the client side on my local machine and trying to invoke (call) the server. The Return type of the HTTP Invoker Server operation is List containing HashMap with properties. I noticed a strange issue. When trying to invoke the Server HTTP Invoker which is deployed on a remote server, i get a null pointer exception. When trying to invoke the Server HTTP Invoker (when it is running on my local machine - and also client is running on my local machine) everything is OK. Can someone help me with my problem? Thanks a lot in advance

alext
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  • Possible duplicate of [What is a NullPointerException, and how do I fix it?](https://stackoverflow.com/questions/218384/what-is-a-nullpointerexception-and-how-do-i-fix-it) – Jens Mar 13 '18 at 08:21
  • It is not a duplicate, this one is regarding the Spring HTTP Invoker and it's behavior – alext Mar 13 '18 at 08:28
  • But it is the only answer we can get without code and stacktrace – Jens Mar 13 '18 at 08:29

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