我已经实施了一个自定义安全策略，我限制了许多权限。我正在birt服务器上进行这些更改。但是当我在执行这些更改后启动birt服务器时，会在启动时抛出此异常： -
Servlet [BIRTServerStartupServlet] in web application [] threw load() exceptionorg.apache.commons.discovery.DiscoveryException: No implementation defined for org.apache.commons.logging.LogFactory
at org.apache.commons.discovery.tools.ClassUtils.verifyAncestory(ClassUtils.java:176)
at org.apache.commons.discovery.tools.SPInterface.verifyAncestory(SPInterface.java:201)
at org.apache.commons.discovery.tools.SPInterface.newInstance(SPInterface.java:195)
at org.apache.commons.discovery.tools.DiscoverClass.newInstance(DiscoverClass.java:579)
at org.apache.commons.discovery.tools.DiscoverSingleton.find(DiscoverSingleton.java:418)
at org.apache.commons.discovery.tools.DiscoverSingleton.find(DiscoverSingleton.java:378)
at org.apache.axis.components.logger.LogFactory$1.run(LogFactory.java:45)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.axis.components.logger.LogFactory.getLogFactory(LogFactory.java:41)
at org.apache.axis.components.logger.LogFactory.<clinit>(LogFactory.java:33)
at org.apache.axis.handlers.BasicHandler.<clinit>(BasicHandler.java:43)
at org.apache.axis.client.Service.getAxisClient(Service.java:103)
at org.apache.axis.client.Service.<init>(Service.java:112)
at com.actuate.schemas.actuate11.javaserver.wsdl.JavaServerAPILocator.<init>(JavaServerAPILocator.java:12)
at com.actuate.javaserver.soap.JavaServerAPILocatorEx.<init>(JavaServerAPILocatorEx.java:34)
at com.actuate.javaserver.utils.EncycServerStubProxy.<init>(EncycServerStubProxy.java:33)
at com.actuate.javaserver.utils.EncycServerStubPool.createPoolItem(EncycServerStubPool.java:31)
at com.actuate.activeportal.utils.ProxyPool.createProxy4Pool(ProxyPool.java:87)
at com.actuate.activeportal.utils.ProxyPool.getProxyObject(ProxyPool.java:77)
at com.actuate.javaserver.Server.getEncycServerStubProxy(Server.java:844)
at com.actuate.javaserver.soap.BIRTServerStartupServlet.sendJavaServerReadyMsgEx(BIRTServerStartupServlet.java:150)
at com.actuate.javaserver.soap.BIRTServerStartupServlet.readyAndHeartbeat(BIRTServerStartupServlet.java:261)
at com.actuate.javaserver.soap.BIRTServerStartupServlet.init(BIRTServerStartupServlet.java:119)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:288)
at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:285)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAsPrivileged(Subject.java:549)
at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:320)
at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:175)
at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:124)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1270)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1195)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1085)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5349)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5641)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1571)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1561)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
我知道这个错误正在发生，因为我有一个受限制的策略，但我无法弄清楚应该授予哪个权限允许birt启动找到这个jar /实现的代码库。
答案 0 :(得分：0)
好的，所以我在使用这种方法时犯了一个错误，并且只向目录提供文件权限，而不是子目录。所以这只是一个许可问题。如果其他人遇到同样的问题，请检查您的权限文件。