Hello,
I'm evaluating Guice for our new projects and I like it. To do this I
set up a test env to work with tomcat+guice+struts2+openjpa+derby.
Now I'm triyng to figure how to work with multiple database and I get
the following error:
1) Unable to create binding for
com.google.inject.persist.PersistService. It was already configured on
one or more child injectors or private modules
bound at
com.google.inject.persist.jpa.JpaPersistModule.configurePersistence(JpaPersistModule.java:
69)
If it was in a PrivateModule, did you forget to expose the binding?
while locating com.google.inject.persist.PersistService
for parameter 1 at
com.google.inject.persist.PersistFilter.<init>(PersistFilter.java:71)
while locating com.google.inject.persist.PersistFilter
2) Unable to create binding for com.google.inject.persist.UnitOfWork.
It was already configured on one or more child injectors or private
modules
bound at
com.google.inject.persist.jpa.JpaPersistModule.configurePersistence(JpaPersistModule.java:
70)
If it was in a PrivateModule, did you forget to expose the binding?
while locating com.google.inject.persist.UnitOfWork
for parameter 0 at
com.google.inject.persist.PersistFilter.<init>(PersistFilter.java:71)
while locating com.google.inject.persist.PersistFilter
Here are modules I wrote:
public class Struts2DemoListener extends GuiceServletContextListener {
public Injector getInjector() {
return Guice.createInjector(new Struts2GuicePluginModule(),
// the servlet conf for struts2
new MyServletModule(),
// application specific module
new PrivateModule() {
protected void configure() {
install(new JpaUserRegistryServiceModule());
expose(UserRegistryService.class);
}
}, new PrivateModule() {
protected void configure() {
install(new JpaAccessLogServiceModule());
expose(AccessLogService.class);
}
});
}
class MyServletModule extends ServletModule {
@Override
protected void configureServlets() {
// Struts 2 setup
bind(StrutsPrepareAndExecuteFilter.class).in(Singleton.class);
filter("/*").through(PersistFilter.class);
// filter("/*").through(AccessLogFilter.class);
filter("/*").through(StrutsPrepareAndExecuteFilter.class,
strutsParams);
}
}
}
public class JpaUserRegistryServiceModule extends AbstractModule {
protected void configure() {
install(new JpaPersistModule("g2011"));
bind(UserRegistryService.class).to(GuicedJpaUserRegistryService.class);
}
}
public class JpaAccessLogServiceModule extends AbstractModule {
protected void configure() {
install(new JpaPersistModule("accessLog"));
bind(AccessLogService.class).to(GuicedJpaAccessLogService.class);
}
}
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