0
我有一個程序調用第三方API（專有的，所以我沒有訪問源）。在調用這個API的過程中，我得到了一個ClassNotFoundException，這個類位於我的Eclipse項目的src文件夾中。我沒有做過任何關於如何加載類的時髦 - 整個src文件夾包含在加載的類中。我已經試過多個步驟弄清楚爲什麼我得到這個ClassNotFoundException包括：對於Eclipse項目中的類，ClassNotFoundException
- 改變類的名稱（使用Eclipse中的重構功能）
- 類移動到相同的封裝類調用API
- 編譯我的項目，裝入瓶內，加入的jar到classpath
- 把罐子上服務器的類路徑，將最終完成這項工作（看起來像它通過RMI移交）
的代碼是這樣的：
public Class DoStuff
{
... [stuff]
Asset asset = new Asset();
asset.setABunchOfInformation();
asset.getReadyForImport();
Asset result = importService.importAsset(asset, importJobInformation);
... [more stuff]
}
這是importAsset的方法，我得到ClassNotFoundException內。下面是相關的堆棧跟蹤：
BaseException
...
Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException: com.myCompany.product.assets.Asset
at org.jboss.aop.joinpoint.MethodInvocation.getArguments(MethodInvocation.java:318)
at org.jboss.ejb3.stateless.StatelessContainer.dynamicInvoke(StatelessContainer.java:355)
at org.jboss.ejb3.session.InvokeableContextClassProxyHack._dynamicInvoke(InvokableContextClassProxyHack.java:53)
at org.jboss.aop.Dispatcher.invoke(Dispatcher.java:91)
at org.jboss.aspects.remoting.AOPRemotingInvocationHandler.invoke(AOPRemotingInvocationHandler.java:82)
at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:967)
at org.jboss.remoting.transport.socket.ServerThread.completeInvocation(ServerThread.java:791)
at org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:744)
at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:586)
at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:234)
Caused by: java.lang.ClassNotFoundException: com.myCompany.product.assets.Asset
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.rmi.server.LoaderHandler$Loader.loadClass(LoaderHandler.java:1206)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:274)
at sun.rmi.server.LoaderHandler.loadClassforName(LoaderHandler.java:1219)
at sun.rmi.server.LoaderHandler.loadClass(LoaderHandler.java:452)
at sun.rmi.server.LoaderHandler.loadClass(LoaderHandler.java:185)
at java.rmi.server.RMIClassLoader$2.loadClass(RMIClassLoader.java:637)
at java.rmi.server.RMIClassLoader.loadClass(RMIClassLoader.java:264)
at sun.rmi.server.MarshalInputStream.resolveClass(MarshalInputStream.java:214)
at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1612)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1517)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1350)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1915)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
at java.util.ArrayList.readObject(ArrayList.java:771)
at sun.reflect.GeneratedMethodAccessor771.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1893)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1990)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1915)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
at java.io.ObjecTInputStream.readObject0(ObjectInputStream.java:1350)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1990)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1915)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1706)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1344)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
at java.rmi.MarshalledObject.get(MarshalledObject.java:159)
at org.jboss.aop.joinpoint.MethodInvocation.getArguments(MethodInvocation.java:309)
at org.jboss.ejb3.stateless.StatelessContainer.dynamicInvoke(StatelessContainer.java:355)
at org.jboss.ejb3.session.InvokableContextClassProxyHack._dynamicInvoke(InvokableContextClassProxyHack.java:53)
at org.jboss.aop.Dispatcher.invoke(Dispatcher.java:91)
at org.jboss.aspects.remoting.AOPRemotingInvocationHandler.invoke(AOPRemotingInvocationHandler.java:82)
at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:967)
at org.jboss.remoting.transport.socket.ServerThread.completeInvocation(ServerThread.java:791)
at org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:744)
at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:586)
at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:234)
at org.jboss.remoting.MicroRemoteClientInvoker.invoke(MicroRemoteClientInvoker.java:218)
at org.jboss.remoting.Client.invoke(Client.java:2084)
at org.jboss.remoting.Client.invoke(Client.java:879)
at org.jboss.aspects.remoting.InvokeRemoteInterceptor.invoke(InvokeRemoteInterceptor.java:60)
at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
at org.jboss.aspects.remoting.ClusterChooserInterceptor.invoke(ClusterChooserInterceptor.java:122)
at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
at org.jboss.aspects.tx.ClientTxPropagationInterceptor.invoke(ClientTxPropagationInterceptor.java:61)
at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
at org.jboss.ejb3.security.client.SecurityClientInterceptor.invoke(SecurityClientInterceptor.java:65)
at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
at org.jboss.ejb3.remoting.ClusteredIsLocalInterceptor.invoke(ClusteredIsLocalInterceptor.java:54)
at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102)
at org.jboss.aspects.remoting.PojiProxy.invoke(PojiProxy.java:62)
at com.sun.proxy.$Proxy4.invoke(Unknown Source)
at org.jboss.ejb3.proxy.impl.handler.session.SessionProxyInvocationHandlerBase.invoke(SessionProxyInvocationHAndlerBase.java:188)
at com.sun.proxy.$Proxy34.retrieveProcessDefinitionByName(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.commons.beanutils.MethodUtils.invokeExactMethod(MethodUtils.java:403)
at com.thirdparty.common.services.BaseServices.executeEjbMethod(BaseServices.java:199)
at com.thirdparty.bpm.services.BusinessProcessServices.executeBPMEjbMethod(BusinessProcessServices.java:689)
at com.thirdparty.bpm.services.BusinessProcessServices.retrieveProcessDefinitionByName(BusinessProcessServices.java:168)
at com.myCompany.product.assets.services.ImportServices.submitImportJob(ImportServices.java:2386)
at com.myCompany.product.assets.services.ImportServices.submitImportJob(ImportServices.java:2348)
at com.myCompany.product.assets.services.ImportServices.importAssets(ImportServices.java:1145)
at com.myCompany.product.assets.services.ImportServices.importAsset(ImportServices.java:1092)
at com.myCompany.product.stuff.DoStuff.doWork(DoStuff.java:243)
... (irrelevant trace)
請原諒任何錯字，我不得不鍵入了自己。
當您在eclipse中導入Asset類時，是否收到任何異常？ –
資產類別是該項目的一部分。 com.myCompany.product.assets.Asset – sfedak
如果我沒有錯com.myCompany.product.assets.Asset是由第三方提供的，你只有它的類而不是Java文件是否正確？ –