如何解决java.rmi.server.ExportException:远程对象实现了非法的远程接口
出现此错误:
1) Error injecting constructor,java.rmi.server.ExportException: remote object implements illegal remote interface; nested exception is:
java.lang.IllegalArgumentException: illegal remote method encountered: public abstract java.util.List com.mycompany.repository.CustomCodeRepository.getCustomCodeEntity(java.lang.String,java.lang.String,java.lang.String)
at com.mycompany.repository.impl.CustomCodeRepositoryImpl.<init>(CustomCodeRepositoryImpl.java:63)
while locating com.mycompany.repository.impl.CustomCodeRepositoryImpl
at com.mycompany.guice.GuiceConfigModule.configure(GuiceConfigModule.java:79)
while locating com.mycompany.repository.CustomCodeRepository
for field at com.mycompany.resource.ServerResource.customCodeRepository(ServerResource.java:53)
while locating com.mycompany.resource.ServerResource
对于此代码:
@Override
protected void configure() {
bind(EntityRepository.class).to(EntityRepositoryImpl.class).in(Scopes.SINGLetoN);
bind(CustomCodeRepository.class).to(CustomCodeRepositoryImpl.class).in(Scopes.SINGLetoN);
}
public class CustomCodeRepositoryImpl extends UnicastRemoteObject
implements CustomCodeRepository {
@Inject
@Named("xodusRoot")
String xodusRoot;
@Inject
@Named("masterStore")
String masterStore;
@Inject
EntityRepository entityRepository;
public CustomCodeRepositoryImpl() throws remoteexception {
}
@Override
public String createCustomCode(String appId,String namespace,String customCodeName,String description,Long timeout,InputStream jar) {
}
@Override
public List<Map<String,Comparable>> getCustomCodeEntity(String appId,String customCodeName) {
return entityRepository.getEntity(
appId,namespace,Constants.ENTITYSTORE_CUSTOMCODE,Constants.CUSTOMCODE_NAME,customCodeName,new ArrayList<>());
}
解决方法
正如在异常中提到的那样,它是一个嵌套异常。内部的例外是:
java.lang.IllegalArgumentException: illegal remote method encountered: public abstract java.util.List com.mycompany.repository.CustomCodeRepository.getCustomCodeEntity(java.lang.String,java.lang.String,java.lang.String)
我猜您正在覆盖java.rmi.Remote
。如果是这种情况,那么我将引用Illegal remote method in java:
RMI远程接口上的所有方法必须在其throws子句中声明RemoteException。
这意味着您需要在扩展throws RemoteException
的接口中的所有方法的声明中添加Remote
。那可能是CustomCodeRepository
。
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