DER input, Integer tag error的异常处理

1、首先我向大家介绍一下我做的东西，发生这个异常的情况。

　　我做的是一个电签的系统，在调用某公司的API生成证书，然后与安证通进行同步证书的任务。

2、问题具体的异常

　　具体异常如下：

2016/08/29 15:19:25 : INFO [com.bjazt.easysign.server.SyncServiceImpl] 进入同步接口：<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<ROWDATA>
    <ROW xsi:type="aztCert" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
        <CERTID>SYNC110101198912129995</CERTID>
        <USERID>110101198912129995</USERID>
        <OPTYPE>A</OPTYPE>
        <PASSWORD>itrusyes</PASSWORD>
        <PFX>MIIM9wYJKoZIhvcNAQcCoIIM6DCCDOQCAQExADALBgkqhkiG9w0BBwGgggzMMIIDwzCCAqugAwIBAgIUYfdQUqQxBCEGlELPLH3RBkuei9UwDQYJKoZIhvcNAQEFBQAwaTEjMCEGA1UEAwwa5aSp5aiB6K+a5L+hUlNB5rWL6K+V5qC5Q0ExEjAQBgNVBAsMCVJTQea1i+ivlTEhMB8GA1UECgwY5aSp5aiB6K+a5L+h5rWL6K+V57O757ufMQswCQYDVQQGEwJDTjAeFw0xNjA1MDcxMTQxMzhaFw0zNjA1MDIxMTQxMzhaMGkxIzAhBgNVBAMMGuWkqeWogeivmuS/oVJTQea1i+ivleaguUNBMRIwEAYDVQQLDAlSU0HmtYvor5UxITAfBgNVBAoMGOWkqeWogeivmuS/oea1i+ivleezu+e7nzELMAkGA1UEBhMCQ04wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDZ48CCSv2qk3hBSKIdkCilUZDK9KUi2XHpq3xcndUWREesGhEQunqjC6gTX9KV9jW+h++GqM2t8S3lIrED86BmfNkGniwS2lw3LCY+zTsGRrpVN7U7barcs3LC/N0mWgRmYxQmqn8bvinmacxu1mS6x6QVkwbYHHJKcjIuTObefCGLmcQP5NTO2MJHNK5892o7EE1SE4iEVR6SydN8q2/+LA7TVgIRZi/aZufhbXwH45Ga1oVnRc/8i8b4iOa6n1vM5jtLUBhv8gRueD8uJZpATLo03VSTJN/xWAEBbkG/uS5Ya4G95RNtwU5dkydvW8Zdnh45XWlJwfSgQ67EoHwbAgMBAAGjYzBhMB0GA1UdDgQWBBSJ7EFtfKQsHlMsB6HxyBn8a/a9vTAfBgNVHSMEGDAWgBSJ7EFtfKQsHlMsB6HxyBn8a/a9vTAPBgNVHRMBAf8EBTADAQH/MA4GA1UdDwEB/wQEAwIBBjANBgkqhkiG9w0BAQUFAAOCAQEABzS5/CKBFHlFnwJPyf3o5VnT4piLuKgYB8EHQ3+tgaQLzUAZFIi8YJX/F1ypOFmXO3ShVmzWIxJnmm0aG1WPKUUJF8PWzz85cIZt8k+9A5EjytzCE84McdlJQWCUyVTd2/30L0Og9jTccNqKTko+YBpKDJS5Pk9ljMgz+Q7VROrzxUc6oGdxJzQVDryl0tO7NvcSfk3xrpGIJbxVpzIibptaJjP1Lr7Ltw4HLv+1ECrA2NZxOLkP5GfLCyRtiY8/3oTP+X0JrPgcqVsEh1/AOrVeIi6IP1AszoK4yRBG4yxrl+mISlLlutUjAHYGVNoxlFqrxtHIs6cf5Fo6YPOP/jCCBBQwggL8oAMCAQICFDv1mhEyfztL9axmfbP0FwBiWZirMA0GCSqGSIb3DQEBBQUAMGwxJjAkBgNVBAMMHeWkqeWogeivmuS/oVJTQea1i+ivleeUqOaIt0NBMRIwEAYDVQQLDAlSU0HmtYvor5UxITAfBgNVBAoMGOWkqeWogeivmuS/oea1i+ivleezu+e7nzELMAkGA1UEBhMCQ04wHhcNMTYwODI5MDcyMDU2WhcNMTcwODI5MDcyMDU2WjBVMRgwFgYDVQQKDA/lpKnlqIHor5rkv6FSU0ExCzAJBgNVBAsMAlJBMRswGQYJKoZIhvcNAQkBFgxoZWhlaEBxcS5jb20xDzANBgNVBAMMBuefs+amtDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAIbxqFRZvX4pvsUSO8Zfq58P+vp7Q/CN80to3dN/dLdcW6O4hjLyabECy1+ANxv8FrvjiK9WOuAKSHt+hS1sLJap0dbbrpwNpwDgA6CGtY7E4MmNAqQeRimMlnTtcUtDDWoBM6Zr1BaTA0ra53HuWpApXZjfD8aBp7PDA3KwxZpB/kw9GXmxELUGCJ1gaWKSi1Qxtna2fWoJokZhtb/vjgaieaVWtvnv1a1509pQkUCPhwYbhY7leZcfxH8E3eVpFhmfNHLFnaw5zmd16ssZumagRK4Fe+43y+9e+KXT3Hu4GylRIHj4HyqdMHoT2MZmdmQUgRLrQ2B/uMOr+45dwqsCAwEAAaOBxDCBwTAJBgNVHRMEAjAAMAsGA1UdDwQEAwIE8DBnBgNVHR8EYDBeMFygWqBYhlZodHRwOi8vaXRydXNkZW1vLmNvbS9Ub3BDQS9wdWJsaWMvaXRydXNjcmw/Q0E9MDIwOUE2QkFGODhFRTI1OUFCREM3ODYwMEIyOTkzMTQzMjNBQTU3NDAfBgNVHSMEGDAWgBS0bmWRkUvRe8Ggn6Q+fc9X4LUuSDAdBgNVHQ4EFgQUv1AB9QL13CDlTeC6Cu4xl1K6J5kwDQYJKoZIhvcNAQEFBQADggEBABUbQZWSZAWBe3hheNXZpxnS5A76NBsmOQuJi4hxUJdNrW/t+uu7AxZb5a2YV9ig4zTPGq6Fn0PNNqfk5ommi35KzOw6ZDfQxV+VB5AXh6l2/iAIyYNf+2LcFQRJ4KybZsIlBObnvtmQ0vWwRsyUqUksIR5Jn8KjMGxvrFoo0XDgMFP3Wn9XHs3OrQUekY/YyW8zvIko8jjm8W1epT43+iGyxNIwWzieb6vf+R1nu0SQ2QkHQMXubWiB9N4o374SzBPU2f1PIdU7NxJyeHJXevvgmmmZWVa049n59lU2dRTRl91DhLsxJ4k/JTRhXSd9WPdh5YUE3YeU39jX0z7VePIwggTpMIID0aADAgECAhQCCaa6+I7iWavceGALKZMUMjqldDANBgkqhkiG9w0BAQUFADBpMSMwIQYDVQQDDBrlpKnlqIHor5rkv6FSU0HmtYvor5XmoLlDQTESMBAGA1UECwwJUlNB5rWL6K+VMSEwHwYDVQQKDBjlpKnlqIHor5rkv6HmtYvor5Xns7vnu58xCzAJBgNVBAYTAkNOMB4XDTE2MDUwNzExNDQ0MFoXDTM2MDUwMjExNDQ0MFowbDEmMCQGA1UEAwwd5aSp5aiB6K+a5L+hUlNB5rWL6K+V55So5oi3Q0ExEjAQBgNVBAsMCVJTQea1i+ivlTEhMB8GA1UECgwY5aSp5aiB6K+a5L+h5rWL6K+V57O757ufMQswCQYDVQQGEwJDTjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAOSy13vsoxu8c/tVyYCBgVolBHqoANF7a6ral42vLej773vZ29tUe0teDRsNLxoA5u/OJRniEnwY+MTZOAYDQAWrx5LQphVfNxkHiPr459TKpdgKIcyUwmXf2obiZvy5TW93//oOinrk7FL+0eJMDvFVKRPiIN/YYHU4NhQVgSkMpxFhKCTod2zo4B1TMZuxNiQVoGQi7UXNgrLLlqseXFfVSKljGqtRb+d1LlmuopI3JjSn359t33yYM5mAMg4ES10cDS1tgbp7A6LSeEwGtCnVdVfkYkewmcacty8AqB36o4V51z6FZkJuctL6e1kwjX30KRJQZBCt+bifhWiO8B8CAwEAAaOCAYQwggGAMB0GA1UdDgQWBBS0bmWRkUvRe8Ggn6Q+fc9X4LUuSDAfBgNVHSMEGDAWgBSJ7EFtfKQsHlMsB6HxyBn8a/a9vTAMBgNVHRMEBTADAQH/MA4GA1UdDwEB/wQEAwIBBjBKBggrBgEFBQcBAQQ+MDwwOgYIKwYBBQUHMAGGLmh0dHA6Ly9Zb3VyX1NlcnZlcl9OYW1lOlBvcnQvVG9wQ0EvbG9kcF9CYXNlRE4wgYIGCCsGAQUFBwELBHYwdDByBggrBgEFBQcwBYZmaHR0cDovL1lvdXJfU2VydmVyX05hbWU6UG9ydC9Ub3BDQS91c2VyRW5yb2xsL2NhQ2VydD9jZXJ0U2VyaWFsTnVtYmVyPTMxZjcxY2NiOGVlOTZiZGRlYTAzMDQyMTkzYTlkMDEzME8GA1UdHwRIMEYwRKBCoECGPlBvcnQvVG9wQ0EvcHVibGljL2l0cnVzY3JsP0NBPTMxZjcxY2NiOGVlOTZiZGRlYTAzMDQyMTkzYTlkMDEzMA0GCSqGSIb3DQEBBQUAA4IBAQDSeEgUBQJFIjIUvAK9lwcNUNBSjbdrhkHBK0jkaQxO7Hbxz78Roa9mzoUIZaOLsBFxYij30Y9TUfUNVI4lCLf11azOD4+qQo+Z3iHNnGKDZpB3rhtLFkyREE48kXwASyFvlb5wXGw6pl6QOVSarxvw0JzAIHOkCIVmXkWn6EjkF4S2xF+lpETJx9V6MCib9qdvhFy3izAqRN6ieGypuXzpSmgjilDzBtzpDqZq9GnyJdfIOP7Ij2xCT1vf5gjs/HTp2Xr26BERaS8+dU8iqkbLLClFh7zwztbRghmki06eoVOI3NvOF4QdgNouFD8hyIAACNdzc/F6RMyKgRX9tJu6MQA=</PFX>
    </ROW>
</ROWDATA>
 
2016/08/29 15:19:25 : INFO [com.bjazt.easysign.server.SyncServiceImpl] 将XML转为Bean，开始
java.io.IOException: DER input, Integer tag error
    at sun.security.util.DerInputStream.getInteger(DerInputStream.java:151)
    at com.sun.net.ssl.internal.pkcs12.PKCS12KeyStore.engineLoad(PKCS12KeyStore.java:1202)
    at java.security.KeyStore.load(KeyStore.java:1185)
    at com.esa2000.datasync.common.SystemUtil.validateCertificate(SystemUtil.java:483)
    at com.esa2000.datasync.document.XmlToPfxCert.toObject(XmlToPfxCert.java:45)
    at com.esa2000.datasync.document.XmlToBean.toObjectList(XmlToBean.java:31)
    at com.esa2000.datasync.document.XmlToBean.toObject(XmlToBean.java:47)
    at com.bjazt.easysign.server.SyncServiceImpl.sync(SyncServiceImpl.java:26)
    at com.bjazt.easysign.server.SyncServiceImpl.syncPfxCert(SyncServiceImpl.java:50)
    at sun.reflect.GeneratedMethodAccessor188.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.apache.axis2.rpc.receivers.RPCUtil.invokeServiceClass(RPCUtil.java:194)
    at org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:102)
    at org.apache.axis2.receivers.AbstractInOutMessageReceiver.invokeBusinessLogic(AbstractInOutMessageReceiver.java:40)
    at org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:100)
    at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:176)
    at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:275)
    at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:133)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:643)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:620)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
    at java.lang.Thread.run(Thread.java:662)
2016/08/29 15:19:25 : ERROR [com.esa2000.datasync.document.XmlToPfxCert]
java.io.IOException: DER input, Integer tag error
    at sun.security.util.DerInputStream.getInteger(DerInputStream.java:151)
    at com.sun.net.ssl.internal.pkcs12.PKCS12KeyStore.engineLoad(PKCS12KeyStore.java:1202)
    at java.security.KeyStore.load(KeyStore.java:1185)
    at com.esa2000.datasync.common.SystemUtil.validateCertificate(SystemUtil.java:483)
    at com.esa2000.datasync.document.XmlToPfxCert.toObject(XmlToPfxCert.java:45)
    at com.esa2000.datasync.document.XmlToBean.toObjectList(XmlToBean.java:31)
    at com.esa2000.datasync.document.XmlToBean.toObject(XmlToBean.java:47)
    at com.bjazt.easysign.server.SyncServiceImpl.sync(SyncServiceImpl.java:26)
    at com.bjazt.easysign.server.SyncServiceImpl.syncPfxCert(SyncServiceImpl.java:50)
    at sun.reflect.GeneratedMethodAccessor188.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.apache.axis2.rpc.receivers.RPCUtil.invokeServiceClass(RPCUtil.java:194)
    at org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:102)
    at org.apache.axis2.receivers.AbstractInOutMessageReceiver.invokeBusinessLogic(AbstractInOutMessageReceiver.java:40)
    at org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:100)
    at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:176)
    at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:275)
    at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:133)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:643)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:620)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
    at java.lang.Thread.run(Thread.java:662)

　3、解决问题

　　错误的原因是证书的申请是pkcs7格式的生成，但是安证通同步解析用到的是pkcs12，造成编码解码不一致的问题。

　　起初就是jar包的冲突问题，bcprov-jdk15-1.46.jar没有向下兼容bcprov-jdk15-1.43.jar，因为这其中的DERSequence方法的构造方法不同。大家可以自行的下载看看。

　　最后我们是在申请证书之后，用证书去获取这个pfx格式的编码，然后去用安证通同步，这样就解决了这个问题。（因为这是第三方的东西，所以要和第三方进行沟通，他们提供了一个新的方法来获取证书的pfx格式编码）。

　　4、总结

　　遇见jar包冲突的问题，解决的根本方法就是去掉冲突的jar，留下一个我们用到的jar包，否则，就算解决了，项目上线也会有很多的问题的。

　　5、美诗美句

　　少年不识愁滋味，爱上层楼，爱上层楼，为赋新词强说愁。

　　而今识尽愁滋味，欲说还秀，欲说还休，却道天凉好个秋。

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