Your problem should be either that the list itself is a problem, or one or more
of the elements inside it is a problem.
The list itself can be non-serializable if your RPC interfaces do not indicate
that this list implementation will be required. You can check by looking first
in your *.gwt.rpc file that's created from your compile to see whether your
list implementation is present. If it's not, then the problem is with your list
implementation and not (necessarily) the things you put in the list.
Your compile should also generate a *.rpc.log file where GWT shows you what it
worked out about the serializability of each type.
If your list implementation is in the gwt.rpc file, then the problem should be
with whatever you're putting into the list.
Remember that gwt-serializability is more than just whether you implement
Serializable. There are other constraints too, most notably that you need a
no-arg constructor and that all your non-static non-final fields must also be
gwt-serializable (unless you provide a CustomFieldSerializer).
HTH
Paul
On 29/10/11 16:00, darkling wrote:
Just an addendum but I tried removing maven and running the eclipse
gwt plugin directly to build my project. I got the exact same errors:
"The response can not be deserialized" when I have gwt-servlet-2.2.jar
in my war lib and "The response can not be deserialized expected
version 7 but server had 5" when I don't.
Any help would be wonderful because we're trying to do a release come
Monday
Thanks
On Oct 28, 7:52 pm, darkling<[email protected]> wrote:
Yes but I still got The response could not be deserialized
Im using maven plugin so my POM looks like this:
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>gwt-maven-plugin</artifactId>
<version>2.4.0</version>
<configuration>
<localWorkers>1</localWorkers>
<warSourceDirectory>${basedir}/war</warSourceDirectory>
<module>${cura.assessor.module}</module>
<style>OBFUSCATED</style>
<gwtVersion>2.4.0</gwtVersion>
<disableCastChecking>true</disableCastChecking>
<soyc>false</soyc>
</configuration>
<executions>
<execution>
<goals>
<goal>compile</goal>
<goal>generateAsync</goal>
</goals>
</execution>
</executions>
</plugin>
I'm not manually including any gwt jars, though I added gwt-
servlet.jar to my war folder because I got the explicit mismatching
version error when I didn't
Matt
On Oct 28, 4:18 pm, Markus Zywitza<[email protected]> wrote:
Did you already try ArrayList instead of List?
--Markus
2011/10/28 darkling<[email protected]>
I've just managed to update my GWT (2.4) and I'm having problems with
my RPCs. Every time I try to send a List object it says the item can
not be deserialized. I single stepped through it and it comes out as a
SerializationException which GWT wraps in a
IncompatibleRemoteServiceException.
The Lists are of pojo objects that do implement Serializable and have
always been deserializable before. I thought that it might be related
to mismatching GWT jars so I tried changing them. When I use the gwt-
servlet.jar (version 2.2.) it says
"Response can not be deserialized".
When I use a different version of that jar it says "
Response can not be deserialized expected version 7 but server had 5"
or something like that which leads me to believe my jars are correct.
But for some reason I can't deserialize a list. I've seen a lot of
postings on this subject but no concrete answers. I'm not running in
hosted mode, just using raw tomcat. I can't figure out what's wrong.
Can anyone recommend some other things I should check? Or a way to
debug so I know what versions are being used? The System no longer
complains about the versions when I use the "correct" jars but if the
versions are correct can anyone suggest a reason why the List object
can not be deserialized?
Any help would be great, thanks.
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