Applet中的数字签名

用keytool -genkey 生成了一个自己的私钥，然后用jarsigner 对已经生成的applet应用jar包进行签名，但是在浏览器第一次加载此applet应用时控制台就报异常：

java.security.cert.CertificateParsingException: no more data allowed for version 1 certificate
	at sun.security.x509.X509CertInfo.parse(Unknown Source)
	at sun.security.x509.X509CertInfo.<init>(Unknown Source)
	at sun.security.x509.X509CertImpl.parse(Unknown Source)
	at sun.security.x509.X509CertImpl.<init>(Unknown Source)
	at sun.security.provider.X509Factory.parseX509orPKCS7Cert(Unknown Source)
	at sun.security.provider.X509Factory.engineGenerateCertificates(Unknown Source)
	at java.security.cert.CertificateFactory.generateCertificates(Unknown Source)
	at com.sun.deploy.security.WIExplorerCertStore.generateCertificate(Unknown Source)
	at com.sun.deploy.security.WIExplorerCertStore.loadCertificates(Native Method)
	at com.sun.deploy.security.WIExplorerCertStore.load(Unknown Source)
	at com.sun.deploy.security.TrustDecider.isAllPermissionGranted(Unknown Source)
	at com.sun.deploy.security.TrustDecider.isAllPermissionGranted(Unknown Source)
	at sun.plugin.security.PluginClassLoader.getPermissions(Unknown Source)
	at java.security.SecureClassLoader.getProtectionDomain(Unknown Source)
	at java.security.SecureClassLoader.defineClass(Unknown Source)
	at java.net.URLClassLoader.defineClass(Unknown Source)
	at java.net.URLClassLoader.access$100(Unknown Source)
	at java.net.URLClassLoader$1.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(Unknown Source)
	at sun.applet.AppletClassLoader.findClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at sun.applet.AppletClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at sun.applet.AppletClassLoader.loadCode(Unknown Source)
	at sun.applet.AppletPanel.createApplet(Unknown Source)
	at sun.plugin.AppletViewer.createApplet(Unknown Source)
	at sun.applet.AppletPanel.runLoader(Unknown Source)
	at sun.applet.AppletPanel.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)

 不知道什么原因，有没有人遇到过。 

我也遇到了，但是没有解决