I don't do anything in my .gwt.xml for compiling my project. Are you compile with gwt-maven-plugin?
Here is my pom.xml and my .gwt-xml. Juan .gwt.xml: <module rename-to='...'> <!-- Inherit the core Web Toolkit stuff. --> <inherits name='com.google.gwt.user.User' /> <!-- Inherit the default GWT style sheet. You can change --> <!-- the theme of your GWT application by uncommenting --> <!-- any one of the following lines. --> <inherits name='com.google.gwt.user.theme.standard.Standard' /> <!-- <inherits name='com.google.gwt.user.theme.chrome.Chrome'/> --> <!-- <inherits name='com.google.gwt.user.theme.dark.Dark'/> --> <!-- Other module inherits --> <inherits name="com.google.gwt.activity.Activity" /> <inherits name="com.google.gwt.place.Place" /> <!-- Specify the app entry point class. --> <entry-point class='...' /> <!-- Specify the paths for translatable code --> <source path='client' /> <source path='shared' /> </module> pom.xml: <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0"; xmlns:xsi=" http://www.w3.org/2001/XMLSchema-instance"; xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd";> <!-- POM file generated with GWT webAppCreator --> <modelVersion>4.0.0</modelVersion> <groupId></groupId> <artifactId></artifactId> <packaging>war</packaging> <version></version> <properties> <!-- Convenience property to set the GWT version --> <gwtVersion>2.1.1</gwtVersion> <hibernate.version>3.6.1.Final</hibernate.version> <!-- GWT needs at least java 1.5 --> <maven.compiler.source>1.6</maven.compiler.source> <maven.compiler.target>1.6</maven.compiler.target> <webappDirectory>${project.build.directory}/${project.build.finalName}</webappDirectory> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> </properties> <dependencies> <dependency> <groupId>com.google.gwt</groupId> <artifactId>gwt-servlet</artifactId> <version>${gwtVersion}</version> <scope>runtime</scope> </dependency> <dependency> <groupId>com.google.gwt</groupId> <artifactId>gwt-user</artifactId> <version>${gwtVersion}</version> <scope>provided</scope> </dependency> <!-- Persistencia --> <dependency> <groupId>org.hibernate.javax.persistence</groupId> <artifactId>hibernate-jpa-2.0-api</artifactId> <version>1.0.0.Final</version> </dependency> <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-core</artifactId> <version>${hibernate.version}</version> <exclusions> <exclusion> <groupId>cglib</groupId> <artifactId>cglib</artifactId> </exclusion> <exclusion> <groupId>net.sf.ehcache</groupId> <artifactId>ehcache</artifactId> </exclusion> <exclusion> <groupId>asm</groupId> <artifactId>asm</artifactId> </exclusion> <exclusion> <groupId>asm</groupId> <artifactId>asm-attrs</artifactId> </exclusion> <exclusion> <groupId>javax.transaction</groupId> <artifactId>jta</artifactId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.hibernate</groupId> <artifactId>hibernate-entitymanager</artifactId> <version>${hibernate.version}</version> <exclusions> <exclusion> <groupId>cglib</groupId> <artifactId>cglib</artifactId> </exclusion> <exclusion> <groupId>dom4j</groupId> <artifactId>dom4j</artifactId> </exclusion> </exclusions> </dependency> <dependency> <groupId>javax.transaction</groupId> <artifactId>jta</artifactId> <version>1.1</version> </dependency> <!-- Test --> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.8.2</version> <scope>test</scope> </dependency> </dependencies> <build> <!-- Generate compiled stuff in the folder used for developing mode --> <outputDirectory>${webappDirectory}/WEB-INF/classes</outputDirectory> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>2.3.2</version> <configuration> <source>1.6</source> <target>1.6</target> </configuration> </plugin> <!-- GWT Maven Plugin --> <plugin> <groupId>org.codehaus.mojo</groupId> <artifactId>gwt-maven-plugin</artifactId> <version>2.1.0-1</version> <executions> <execution> <goals> <goal>compile</goal> <goal>test</goal> <goal>i18n</goal> <!-- goal>generateAsync</goal --> </goals> </execution> </executions> <!-- Plugin configuration. There are many available options, see gwt-maven-plugin documentation at codehaus.org --> <configuration> <runTarget>embalajemadera.html</runTarget> <hostedWebapp>${webappDirectory}</hostedWebapp> <i18nMessagesBundle>${project.groupId}.client.Messages</i18nMessagesBundle> <!-- Genera las interfaces Async --> <!-- servicePattern>com/foo/client/services/*.java</servicePattern --> </configuration> </plugin> <!-- Copy static web files before executing gwt:run --> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-war-plugin</artifactId> <version>2.1.1</version> <executions> <execution> <phase>compile</phase> <goals> <goal>exploded</goal> </goals> </execution> </executions> <configuration> <webappDirectory>${webappDirectory}</webappDirectory> </configuration> </plugin> <!-- IDE --> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-eclipse-plugin</artifactId> <version>2.7</version> <!-- Note 2.8 does not work with AspectJ aspect path --> <configuration> <downloadSources>true</downloadSources> <downloadJavadocs>false</downloadJavadocs> <wtpversion>2.0</wtpversion> <additionalBuildcommands> <buildCommand> <name>org.eclipse.jdt.core.javabuilder</name> <arguments> </arguments> </buildCommand> <buildCommand> <name>com.google.gdt.eclipse.core.webAppProjectValidator</name> <arguments> </arguments> </buildCommand> <buildCommand> <name>com.google.gwt.eclipse.core.gwtProjectValidator</name> <arguments> </arguments> </buildCommand> </additionalBuildcommands> <additionalProjectnatures> <projectnature>com.google.gwt.eclipse.core.gwtNature</projectnature> </additionalProjectnatures> </configuration> </plugin> </plugins> </build> <repositories> <repository> <snapshots> <enabled>false</enabled> </snapshots> <id>central (jboss)</id> <name>Maven Repository Switchboard</name> <url>http://repo2.maven.org/maven2</url> </repository> <repository> <snapshots> <enabled>false</enabled> </snapshots> <id>Public Repository Group (jboss)</id> <url>http://repository.jboss.org/nexus/content/groups/public</url> </repository> </repositories> </project> 2011/2/28 FritzTheCat <[email protected]> > Thanks Juan for your quick reply, I think I did not explain my problem > enough detailled so I try it again: My project compiles right so I > don't think it is a class-path problem in the common way: Refering to > > http://code.google.com/intl/de-DE/webtoolkit/doc/latest/DevGuideServerCommunication.html#DevGuideSerializableTypes > I have to assure the following: > # The class is annotated with a JPA javax.persistence.Entity > annotation. -> I did this in my Entity object > > for example: > @Entity > public class Member implements Serializable{ > > private static final long serialVersionUID = -8354006649751924339L; > > public Long id; > } > > # The fully-qualified class name is listed as one of the values of the > rpc.enhancedClasses configuration property in a .gwt.xml module file > that is part of the application. -> I think this is my problem. I > don't know how to put the class into my .gwt.xml file and I cannot > find any description how to do this, I only found some comments, that > the annotation can not be read by the client gwt code (which is clear > to me), but how can I put them into the gwt.xml file? > > Thanks for your help > > On 28 Feb., 16:18, Juan Pablo Gardella <[email protected]> > wrote: > > I think you need the jpa sources in your classpath. > > > > Juan > > > > 2011/2/28 FritzTheCat <[email protected]> > > > > > Hi people, > > > > > i try to use gwt 2.2 with JPA. For this I use the @Entity annotation > > > in my shared folder and i get the error message: > > > The import javax.persistence cannot be resolved, Entity cannot be > > > resolved to a type. For me it is clear that something is missing in > > > the .gwt.xml file and I found the rpc enhanced feature but I don't > > > know how to include those classes. I used the following "<define- > > > configuration-property name="rpc.enhancedClasses" is-multi- > > > valued="true"/>" in my .gwt.xml file but I also have to define my > > > @Entity annotated classes. So how must the be defined in the .gwt.xml > > > file? Any help is appreciated, > > > > > thank you and nice greetings > > > > > -- > > > You received this message because you are subscribed to the Google > Groups > > > "Google Web Toolkit" group. > > > To post to this group, send email to > [email protected]. > > > To unsubscribe from this group, send email to > > > [email protected]. > > > For more options, visit this group at > > >http://groups.google.com/group/google-web-toolkit?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "Google Web Toolkit" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/google-web-toolkit?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to [email protected]. 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