java.lang.NoClassDefFoundError:无法初始化类javax.crypto.JceSecurityManager

Question

java.lang.NoClassDefFoundError: Could not initialize class javax.crypto.JceSecurityManager
    javax.crypto.Cipher.getConfiguredPermission(Cipher.java:2543)
    javax.crypto.Cipher.getMaxAllowedKeyLength(Cipher.java:2567)
    sun.security.ssl.CipherSuite$BulkCipher.isAvailable(CipherSuite.java:548)
    sun.security.ssl.CipherSuite$BulkCipher.isAvailable(CipherSuite.java:527)
    sun.security.ssl.CipherSuite.isAvailable(CipherSuite.java:194)
    sun.security.ssl.SSLContextImpl.getApplicableCipherSuiteList(SSLContextImpl.java:350)
    sun.security.ssl.SSLContextImpl.getDefaultCipherSuiteList(SSLContextImpl.java:308)
    sun.security.ssl.SSLSocketImpl.init(SSLSocketImpl.java:607)
    sun.security.ssl.SSLSocketImpl.<init>(SSLSocketImpl.java:549)
    sun.security.ssl.SSLSocketFactoryImpl.createSocket(SSLSocketFactoryImpl.java:110)
    com.sun.mail.util.SocketFetcher.startTLS(SocketFetcher.java:428)
    com.sun.mail.smtp.SMTPTransport.startTLS(SMTPTransport.java:1647)
    com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:534)
    javax.mail.Service.connect(Service.java:291)
    org.springframework.mail.javamail.JavaMailSenderImpl.doSend(JavaMailSenderImpl.java:389)
    org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:340)
    org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:355)
    org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:344)
    net.codejava.spring.SendEmailAttachController.sendEmail(SendEmailAttachController.java:41)
    sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    java.lang.reflect.Method.invoke(Method.java:483)
    org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176)
    org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:440)
    org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:428)
    org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:919)
    org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:851)
    org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:953)
    org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:855)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:646)
    org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:829)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

Answer 1

确保执行JRE的以下文件未被损坏/修改/删除.

• JRE\lib\security中\ local_policy.jar
• JRE\lib\security中\的US_export_policy.jar

我有一个类似的问题,这是由手动从不同的Java版本复制这两个文件引起的.更换原始文件后解决.