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POGWT/appEngine RPC serialization
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copied!<p>Up until last week I have been running my GWT/AppEngine app with no problems using java.io.Serializable and implements Serializable on my classes in RPC calls.</p> <p>Now I get this error on appengine: Type 'com.foobar.web.shared.RPCDTOclass' was not assignable to 'com.google.gwt.user.client.rpc.IsSerializable' and did not have a custom field serializer.</p> <p>I still have the implements Serializable. If I fix/change that class and make it com.google.gwt.user.client.rpc.IsSerializable it works for that class but I get the same error for other classes used in RPC. I only have Strings in some of them, so it isn't that I have types that I can't serialize.</p> <p>I don't see anyone else having this problem so I must have made some type of change that is causing it, but I don't know what. The error shows up on AppEngine, so I think it must be an appengine problem?</p> <p>Thanks</p> <p>Adding an example</p> <pre><code>public class UserLogInDTO implements IsSerializable { private String Email; private String PasswordHash; public UserLogInDTO(){} public UserLogInDTO(String email, String passwordhash){ setEmail(email); setPasswordHash(passwordhash); } public void Set(String email, String passwordhash){ this.setEmail(email); this.setPasswordHash(passwordhash); } /** * @return the email */ public String getEmail() { return Email; } /** * @param email the email to set */ public void setEmail(String email) { Email = email.toLowerCase(); } /** * @return the passwordHash */ public String getPasswordHash() { return PasswordHash; } /** * @param passwordHash the passwordHash to set */ public void setPasswordHash(String passwordHash) { PasswordHash = passwordHash; } </code></pre> <p>}</p> <p>If I have implements IsSerializable it works, if implements Serializable it used to work but now doesn't. I am using 1.7.2 SDK for AppEngine 2.4.0 for GWT</p>

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