我有一个Drupal项目，它通过CMIS向Alfresco发出API调用
我使用了自己的自定义模块，该模块使用Apache化学的PHP版本来进行CMIS调用。
以前该网站运作良好（即我没有下面描述的问题）。
但是现在当我尝试通过Drupal网站下载文件时，我收到了Alfresco生成的错误。
Drupal仍然可以登录到户外，浏览文件夹树并查看文件信息。唯一的问题是它无法获取文件。
这是在Alfresco开启的服务器重启后开始的。
有趣的是，我仍然可以使用Alfrescos Web界面和不同的CMIS客户端（CMIS工作台）下载文件。
这是错误（是的，它很长）。
CmisObjectNotFoundException: <html><head><title>Apache Chemistry OpenCMIS - objectNotFound error</title><style><!--H1 {font-size:24px;line-height:normal;font-weight:bold;background-color:#f0f0f0;color:#003366;border-bottom:1px solid #3c78b5;padding:2px;} BODY {font-family:Verdana,arial,sans-serif;color:black;font-size:14px;} HR {color:#3c78b5;height:1px;}--></style></head><body><h1>HTTP Status 404
- <!--exception-->objectNotFound<!--/exception--></h1><p><!--message-->Object not found: download_file<!--/message--></p><hr noshade='noshade'/><!--stacktrace--><pre> org.apache.chemistry.opencmis.commons.exceptions.CmisObjectNotFoundException: Object not found: download_file at org.alfresco.opencmis.CMISNodeInfoImpl.checkIfUseful(CMISNodeInfoImpl.java:973) at org.alfresco.opencmis.AlfrescoCmisServiceImpl.getOrCreateNodeInfo(AlfrescoCmisServiceImpl.java:225) at org.alfresco.opencmis.AlfrescoCmisServiceImpl.getObject(AlfrescoCmisServiceImpl.java:1741) at sun.reflect.GeneratedMethodAccessor1529.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:483) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150) at org.alfresco.repo.transaction.RetryingTransactionInterceptor$1.execute(RetryingTransactionInterceptor.java:79) at org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:457) at org.alfresco.repo.transaction.RetryingTransactionInterceptor.invoke(RetryingTransactionInterceptor.java:69) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) at org.alfresco.opencmis.AlfrescoCmisStreamInterceptor.invoke(AlfrescoCmisStreamInterceptor.java:72) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) at org.alfresco.opencmis.AlfrescoCmisServiceInterceptor.invoke(AlfrescoCmisServiceInterceptor.java:101) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) at org.alfresco.opencmis.AlfrescoCmisExceptionInterceptor.invoke(AlfrescoCmisExceptionInterceptor.java:83) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) at com.sun.proxy.$Proxy286.getObject(Unknown Source) at org.apache.chemistry.opencmis.server.support.wrapper.ConformanceCmisServiceWrapper.getObject(ConformanceCmisServiceWrapper.java:914) at org.apache.chemistry.opencmis.server.impl.atompub.ObjectService$GetObject.serve(ObjectService.java:378) at org.apache.chemistry.opencmis.server.shared.Dispatcher.dispatch(Dispatcher.java:91) at org.apache.chemistry.opencmis.server.impl.atompub.CmisAtomPubServlet.dispatch(CmisAtomPubServlet.java:226) at org.apache.chemistry.opencmis.server.impl.atompub.CmisAtomPubServlet.service(CmisAtomPubServlet.java:173) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.alfresco.opencmis.CMISServletDispatcher.execute(CMISServletDispatcher.java:188) at org.alfresco.opencmis.CMISWebScript.execute(CMISWebScript.java:51) at org.alfresco.repo.web.scripts.RepositoryContainer.transactionedExecute(RepositoryContainer.java:437) at org.alfresco.rest.api.PublicApiRepositoryContainer.transactionedExecute(PublicApiRepositoryContainer.java:45) at org.alfresco.repo.web.scripts.RepositoryContainer.transactionedExecuteAs(RepositoryContainer.java:619) at org.alfresco.repo.web.scripts.RepositoryContainer.executeScriptInternal(RepositoryContainer.java:399) at org.alfresco.repo.web.scripts.RepositoryContainer.executeScript(RepositoryContainer.java:280) at org.alfresco.rest.api.PublicApiRepositoryContainer.access$001(PublicApiRepositoryContainer.java:26) at org.alfresco.rest.api.PublicApiRepositoryContainer$1.doWork(PublicApiRepositoryContainer.java:81) at org.alfresco.repo.tenant.TenantUtil.runAsWork(TenantUtil.java:119) at org.alfresco.repo.tenant.TenantUtil.runAsTenant(TenantUtil.java:88) at org.alfresco.rest.api.PublicApiRepositoryContainer.executeScript(PublicApiRepositoryContainer.java:77) at org.springframework.extensions.webscripts.AbstractRuntime.executeScript(AbstractRuntime.java:378) at org.springframework.extensions.webscripts.AbstractRuntime.executeScript(AbstractRuntime.java:209) at org.alfresco.repo.web.scripts.TenantWebScriptServlet.service(TenantWebScriptServlet.java:74) at org.alfresco.rest.api.PublicApiWebScriptServlet.service(PublicApiWebScriptServlet.java:53) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.alfresco.repo.web.filter.beans.NullFilter.doFilter(NullFilter.java:68) at sun.reflect.GeneratedMethodAccessor1460.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:483) at org.alfresco.repo.management.subsystems.ChainingSubsystemProxyFactory$1.invoke(ChainingSubsystemProxyFactory.java:125) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) at com.sun.proxy.$Proxy270.doFilter(Unknown Source) at org.alfresco.repo.web.filter.beans.BeanProxyFilter.doFilter(BeanProxyFilter.java:82) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.alfresco.web.app.servlet.GlobalLocalizationFilter.doFilter(GlobalLocalizationFilter.java:61) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1074) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611) at org.apache.tomcat.util.net.AprEndpoint$SocketWithOptionsProcessor.run(AprEndpoint.java:2403) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:745) </pre><!--/stacktrace--><hr noshade='noshade'/></body></html> in CMISRepositoryWrapper->convertStatusCode() (line 168 of /var/www/html/demo_site/sites/all/modules/custom_cmis/libraries/cmis_repository_wrapper.php).