Hi,
I tried to invoke a method in interface thru RPC.
Interface method is:
public Map<String, Object> test();
and in implementation I put into returned map, object java.util.Long
(which is serializable:) ):
map.put("long", new Long(1));
and I get an error - see below:
BUT, when I add another method to this interface:
public Long test2();
There is no problem with that - it seems that GWT knows how to handle
with Long.
Does anyone have any solution? Where do I do it wrong?
Thanks,
Krisw
---- start of error
[INFO] Caused by:
com.google.gwt.user.client.rpc.SerializationException:
java.lang.reflect.InvocationTargetException
[INFO] at
com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeWithCustomSerializer(ServerSerializationStreamWriter.java:
760)
[INFO] at
com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeImpl(ServerSerializationStreamWriter.java:
723)
[INFO] at
com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serialize(ServerSerializationStreamWriter.java:
612)
[INFO] at
com.google.gwt.user.client.rpc.impl.AbstractSerializationStreamWriter.writeObject(AbstractSerializationStreamWriter.java:
129)
[INFO] at
com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter
$ValueWriter$8.write(ServerSerializationStreamWriter.java:152)
[INFO] at
com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeValue(ServerSerializationStreamWriter.java:
534)
[INFO] at com.google.gwt.user.server.rpc.RPC.encodeResponse(RPC.java:
609)
[INFO] at
com.google.gwt.user.server.rpc.RPC.encodeResponseForSuccess(RPC.java:
467)
[INFO] at
com.google.gwt.user.server.rpc.RPC.encodeResponseForSuccess(RPC.java:
434)
[INFO] at
org.gwtwidgets.server.spring.GWTRPCServiceExporter.invokeMethodOnService(GWTRPCServiceExporter.java:
170)
[INFO] at
org.gwtwidgets.server.spring.GWTRPCServiceExporter.processCall(GWTRPCServiceExporter.java:
320)
[INFO] ... 55 more
[INFO] Caused by: java.lang.reflect.InvocationTargetException
[INFO] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[INFO] at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:
39)
[INFO] at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:
25)
[INFO] at java.lang.reflect.Method.invoke(Method.java:597)
[INFO] at
com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serializeWithCustomSerializer(ServerSerializationStreamWriter.java:
742)
[INFO] ... 65 more
[INFO] Caused by:
com.google.gwt.user.client.rpc.SerializationException: Type
'java.util.Long' was not included in the set of types which can be
serialized by this SerializationPolicy or its Class object could not
be loaded. For security purposes, this type will not be serialized.:
instance = 1
[INFO] at
com.google.gwt.user.server.rpc.impl.ServerSerializationStreamWriter.serialize(ServerSerializationStreamWriter.java:
610)
[INFO] at
com.google.gwt.user.client.rpc.impl.AbstractSerializationStreamWriter.writeObject(AbstractSerializationStreamWriter.java:
129)
[INFO] at
com.google.gwt.user.client.rpc.core.java.util.Map_CustomFieldSerializerBase.serialize(Map_CustomFieldSerializerBase.java:
50)
[INFO] at
com.google.gwt.user.client.rpc.core.java.util.HashMap_CustomFieldSerializer.serialize(HashMap_CustomFieldSerializer.java:
36)
---- End of error stack trace
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