Spring Boot自带的Tomcat配置SSL证书失败

申请的是阿里云的免费SSL证书，配置好后一直报错，排除了端口占用，密码不对等情况，非常郁闷

配置信息如下：

server:
  port: 443
  max-http-header-size: 10240
  ssl:
    key-store: classpath:./2831383_service.masterchinese.cn.pfx
    enabled: true
    key-store-type: PKCS12
    key-store-password: RP1qV252

报错信息如下：

2019-09-19 21:16:42.003 ERROR 14420 --- [  restartedMain] org.apache.catalina.util.LifecycleBase   : Failed to start component [Connector[HTTP/1.1-443]]

org.apache.catalina.LifecycleException: Protocol handler start failed
    at org.apache.catalina.connector.Connector.startInternal(Connector.java:1001)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
    at org.apache.catalina.core.StandardService.addConnector(StandardService.java:225)
    at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.addPreviouslyRemovedConnectors(TomcatWebServer.java:259)
    at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.start(TomcatWebServer.java:197)
    at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.startWebServer(ServletWebServerApplicationContext.java:311)
    at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.finishRefresh(ServletWebServerApplicationContext.java:164)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:549)
    at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142)
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775)
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:316)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248)
    at cn.stylefeng.guns.GunsApplication.main(GunsApplication.java:38)
    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:498)
    at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49)
Caused by: java.lang.IllegalArgumentException: DerInputStream.getLength(): lengthTag=111, too big.
    at org.apache.tomcat.util.net.AbstractJsseEndpoint.createSSLContext(AbstractJsseEndpoint.java:114)
    at org.apache.tomcat.util.net.AbstractJsseEndpoint.initialiseSsl(AbstractJsseEndpoint.java:85)
    at org.apache.tomcat.util.net.NioEndpoint.bind(NioEndpoint.java:224)
    at org.apache.tomcat.util.net.AbstractEndpoint.bindWithCleanup(AbstractEndpoint.java:1067)
    at org.apache.tomcat.util.net.AbstractEndpoint.start(AbstractEndpoint.java:1149)
    at org.apache.coyote.AbstractProtocol.start(AbstractProtocol.java:561)
    at org.apache.catalina.connector.Connector.startInternal(Connector.java:998)
    ... 19 common frames omitted
Caused by: java.io.IOException: DerInputStream.getLength(): lengthTag=111, too big.
    at sun.security.util.DerInputStream.getLength(DerInputStream.java:599)
    at sun.security.util.DerValue.init(DerValue.java:391)
    at sun.security.util.DerValue.<init>(DerValue.java:332)
    at sun.security.util.DerValue.<init>(DerValue.java:345)
    at sun.security.pkcs12.PKCS12KeyStore.engineLoad(PKCS12KeyStore.java:1938)
    at java.security.KeyStore.load(KeyStore.java:1445)
    at org.apache.tomcat.util.net.SSLUtilBase.getStore(SSLUtilBase.java:179)
    at org.apache.tomcat.util.net.SSLHostConfigCertificate.getCertificateKeystore(SSLHostConfigCertificate.java:204)
    at org.apache.tomcat.util.net.jsse.JSSEUtil.getKeyManagers(JSSEUtil.java:203)
    at org.apache.tomcat.util.net.AbstractJsseEndpoint.createSSLContext(AbstractJsseEndpoint.java:112)
    ... 25 common frames omitted

2019-09-19 21:16:42.009  INFO 14420 --- [  restartedMain] o.apache.catalina.core.StandardService   : Stopping service [Tomcat]
2019-09-19 21:16:42.020  INFO 14420 --- [  restartedMain] ConditionEvaluationReportLoggingListener : 

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2019-09-19 21:16:42.026 ERROR 14420 --- [  restartedMain] o.s.b.d.LoggingFailureAnalysisReporter   : 

***************************
APPLICATION FAILED TO START
***************************

Description:

The Tomcat connector configured to listen on port 443 failed to start. The port may already be in use or the connector may be misconfigured.

Action:

Verify the connector's configuration, identify and stop any process that's listening on port 443, or configure this application to listen on another port.

2019-09-19 21:16:42.031  INFO 14420 --- [  restartedMain] o.s.s.concurrent.ThreadPoolTaskExecutor  : Shutting down ExecutorService 'applicationTaskExecutor'
2019-09-19 21:16:42.042  INFO 14420 --- [  restartedMain] com.alibaba.druid.pool.DruidDataSource   : {dataSource-1} closed
2019-09-19 21:16:42.044  INFO 14420 --- [  restartedMain] o.s.c.ehcache.EhCacheManagerFactoryBean  : Shutting down EhCache CacheManager

Process finished with exit code 0

遇到了同样的问题，在CSDN看到了，希望阿里云团队能够给出正确、标准的答案~请查看