java - 在 WebLogic 11g 中使用远程 EJB 时出现 ClassNotFoundException

Question

我可以发誓我以前做过这个，只是不确定我忘记了什么。当从与 Weblogic 11g 对话的 Java SE 客户端使用远程 EJB 时，我收到类未找到异常。

javax.naming.NamingException: Unhandled exception in lookup [Root exception is org.omg.CORBA.MARSHAL:   vmcid: SUN  minor code: 257 completed: Maybe]
    at weblogic.corba.j2ee.naming.Utils.wrapNamingException(Utils.java:83)
    at weblogic.corba.j2ee.naming.ContextImpl.lookup(ContextImpl.java:291)
    at weblogic.corba.j2ee.naming.ContextImpl.lookup(ContextImpl.java:227)
    at javax.naming.InitialContext.lookup(InitialContext.java:392)
Caused by: org.omg.CORBA.MARSHAL:   vmcid: SUN  minor code: 257 completed: Maybe
    at com.sun.corba.se.impl.logging.ORBUtilSystemException.couldNotFindClass(ORBUtilSystemException.java:8260)
    at com.sun.corba.se.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:1013)
    at com.sun.corba.se.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:879)
    at com.sun.corba.se.impl.encoding.CDRInputStream_1_0.read_abstract_interface(CDRInputStream_1_0.java:873)
    at com.sun.corba.se.impl.encoding.CDRInputStream_1_0.read_abstract_interface(CDRInputStream_1_0.java:863)
    at com.sun.corba.se.impl.encoding.CDRInputStream.read_abstract_interface(CDRInputStream.java:269)
    at com.sun.corba.se.impl.util.Utility.readAbstractAndNarrow(Utility.java:948)
    at com.sun.corba.se.impl.io.IIOPInputStream.inputObjectField(IIOPInputStream.java:1992)
    at com.sun.corba.se.impl.io.IIOPInputStream.inputClassFields(IIOPInputStream.java:2220)
    at com.sun.corba.se.impl.io.IIOPInputStream.inputObject(IIOPInputStream.java:1227)
    at com.sun.corba.se.impl.io.IIOPInputStream.simpleReadObject(IIOPInputStream.java:400)
    at com.sun.corba.se.impl.io.ValueHandlerImpl.readValueInternal(ValueHandlerImpl.java:317)
    at com.sun.corba.se.impl.io.ValueHandlerImpl.readValue(ValueHandlerImpl.java:283)
    at com.sun.corba.se.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:1034)
    at com.sun.corba.se.impl.encoding.CDRInputStream_1_0.read_value(CDRInputStream_1_0.java:879)
    at com.sun.corba.se.impl.encoding.CDRInputStream.read_value(CDRInputStream.java:249)
    at com.sun.corba.se.impl.corba.TCUtility.unmarshalIn(TCUtility.java:269)
    at com.sun.corba.se.impl.corba.AnyImpl.read_value(AnyImpl.java:559)
    at com.sun.corba.se.impl.encoding.CDRInputStream_1_0.read_any(CDRInputStream_1_0.java:739)
    at com.sun.corba.se.impl.encoding.CDRInputStream.read_any(CDRInputStream.java:220)
    at weblogic.corba.cos.naming._NamingContextAnyStub.resolve_any(_NamingContextAnyStub.java:81)
    at weblogic.corba.j2ee.naming.ContextImpl.lookup(ContextImpl.java:267)
    ... 5 more
Caused by: java.lang.ClassNotFoundException
    ... 26 more

Answer 1

vmcid: SUN minor code: 257 completed: Maybe 让我认为它是版本不兼容——也就是说，客户端代码和 rmi stub 与服务器 ejb 代码的版本不同。