Try using jdk, jre directly 1.8. Some of my issues disapeared after I
switch from java13 to java8.
On Monday, March 23, 2020 at 2:05:43 PM UTC-3, Ashi Dev wrote:
>
> Exception while dispatching incoming RPC call
> com.google.gwt.user.client.rpc.SerializationException: Type
> 'com.google.gson.internal.LinkedTreeMap' was not assignable to
> 'com.google.gwt.user.client.rpc.IsSerializable' and did not have a custom
> field serializer.For security purposes, this type will not be serialized.:
> instance = {}
> at
> com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serialize(ServerSerializationStreamWriter.java:696)
>
> ~[gwt-servlet.jar:na]
>
> Using GWT 2.8.2, Java 11, compliance level 1.8, gson.jar version 2.8.6
> On linux.
>
> However, on windows same set up works with gson jar 2.2.2 but not with
> 2.8.6.
>
> Can you help?
>
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