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我正在使用一些专有的应用程序服务器（用于SIP协议），其中我们使用的是嵌入式tomcat（用于HTTP协议）。我们用java 1.6u21运行这个。应用程序从java6迁移到java7
现在我想用java 1.7u51，所以我已经编译所有我在服务器上启动java1.7u51.When的代码，我得到以下错误：
org.apache.catalina.LifecycleException: Failed to start component [org.apache.catalina.session.StandardManager[]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5294)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
Caused by: java.lang.IllegalAccessError: tried to access class sun.security.provider.SunEntries from class sun.security.provider.Sun
at sun.security.provider.Sun.<init>(Sun.java:55)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at java.lang.Class.newInstance(Class.java:374)
at sun.security.jca.ProviderConfig$2.run(ProviderConfig.java:221)
at sun.security.jca.ProviderConfig$2.run(ProviderConfig.java:206)
at java.security.AccessController.doPrivileged(Native Method)
at sun.security.jca.ProviderConfig.doLoadProvider(ProviderConfig.java:206)
at sun.security.jca.ProviderConfig.getProvider(ProviderConfig.java:187)
at sun.security.jca.ProviderList.getProvider(ProviderList.java:232)
at sun.security.jca.ProviderList.getService(ProviderList.java:330)
at sun.security.jca.GetInstance.getInstance(GetInstance.java:157)
at java.security.cert.CertificateFactory.getInstance(CertificateFactory.java:183)
at sun.security.pkcs.PKCS7.parseSignedData(PKCS7.java:271)
at sun.security.pkcs.PKCS7.parse(PKCS7.java:158)
at sun.security.pkcs.PKCS7.parse(PKCS7.java:126)
at sun.security.pkcs.PKCS7.<init>(PKCS7.java:108)
at sun.security.util.SignatureFileVerifier.<init>(SignatureFileVerifier.java:96)
at java.util.jar.JarVerifier.processEntry(JarVerifier.java:286)
at java.util.jar.JarVerifier.update(JarVerifier.java:218)
at java.util.jar.JarFile.initializeVerifier(JarFile.java:345)
at java.util.jar.JarFile.getInputStream(JarFile.java:412)
at sun.misc.URLClassPath$JarLoader$2.getInputStream(URLClassPath.java:775)
at sun.misc.Resource.cachedInputStream(Resource.java:77)
at sun.misc.Resource.getByteBuffer(Resource.java:160)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:436)
at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at java.lang.ClassLoader.loadClass(ClassLoader.java:412)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
at sun.security.jca.ProviderConfig$2.run(ProviderConfig.java:215)
at sun.security.jca.ProviderConfig$2.run(ProviderConfig.java:206)
我搜索净，发现java.lang.IllegalAccessError它来，当我们在不同的版本上编译不同的Java版本和运行应用程序的SRC。但在我的情况下，我编译和运行的应用程序都在java1.7u51。
任何想法，为什么我得到这个问题。
仅供参考...我使用嵌入式的Tomcat 7