支付宝接口报错lengthTag=127, too big.

写支付宝支付接口 

验证签名时报的错误

因为没设置私钥导致的

com.alipay.api.AlipayApiException: RSAcontent = app_id=2015102700040153&body=大乐透2.1&buyer_id=2088102116773037&charset=utf-8&gmt_close=2016-07-19 14:10:46&gmt_create=2016-07-19 14:10:44&gmt_payment=2016-07-19 14:10:47¬ify_id=4a91b7a78a503640467525113fb7d8bg8e$receipt_amount=2.00¬ify_time=2016-07-19 14:10:49¬ify_type=trade_status_sync&out_trade_no=RO_20190226151915GTGP&refund_fee=0.00&seller_id=2088102119685838&subject=大乐透2.1&total_amount=1.12&trade_no=2016071921001003030200089909&trade_status=TRADE_SUCCESS&version=1.0,sign=kPbQIjX xQc8F0/A6/AocELIjhhZnGbcBN6G4MM/HmfWL4ZiHM6fWl5NQhzXJusaklZ1LFuMo lHQUELAYeugH8LYFvxnNajOvZhuxNFbN2LhF0l/KL8ANtj8oyPM4NN7Qft2kWJTDJUpQOzCzNnV9hDxh5AaT9FPqRS6ZKxnzM=,charset = utf-8
    at com.alipay.api.internal.util.AlipaySignature.rsa256CheckContent(AlipaySignature.java:315)
    at com.alipay.api.internal.util.AlipaySignature.rsaCheck(AlipaySignature.java:287)
    at com.alipay.api.internal.util.AlipaySignature.rsaCheckV1(AlipaySignature.java:259)
    at webber.wsm.zpowner.controller.service.client.PayNotifyControllerService.payAliCallBack(PayNotifyControllerService.java:185)
    at webber.wsm.zpowner.controller.client.PayNotifyController.payAliCallBack(PayNotifyController.java:66)
    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:497)
    at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:220)
    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:134)
    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:116)
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827)
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738)
    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at webber.wsm.filters.WbEncodingFilter.doFilterInternal(WbEncodingFilter.java:139)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:475)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80)
    at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:625)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:498)
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:796)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1372)
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Thread.java:745)
Caused by: java.security.spec.InvalidKeySpecException: java.security.InvalidKeyException: IOException: DerInputStream.getLength(): lengthTag=127, too big.
    at sun.security.rsa.RSAKeyFactory.engineGeneratePublic(RSAKeyFactory.java:205)
    at java.security.KeyFactory.generatePublic(KeyFactory.java:334)
    at com.alipay.api.internal.util.AlipaySignature.getPublicKeyFromX509(AlipaySignature.java:355)
    at com.alipay.api.internal.util.AlipaySignature.rsa256CheckContent(AlipaySignature.java:299)
    ... 47 more
Caused by: java.security.InvalidKeyException: IOException: DerInputStream.getLength(): lengthTag=127, too big.
    at sun.security.x509.X509Key.decode(X509Key.java:398)
    at sun.security.x509.X509Key.decode(X509Key.java:403)
    at sun.security.rsa.RSAPublicKeyImpl.(RSAPublicKeyImpl.java:84)
    at sun.security.rsa.RSAKeyFactory.generatePublic(RSAKeyFactory.java:298)
    at sun.security.rsa.RSAKeyFactory.engineGeneratePublic(RSAKeyFactory.java:201)
    ... 50 more