title: SecurityException for class org.bouncycastle.jcajce.provider.asymmetric.DSTU4145$Mappings
body: <p>I am using Spring boot version <strong>2.1.11</strong>.After adding the <code>spring-security-oauth2-autoconfigure</code> in my <code>pom.xml</code>.I am getting the following error while running the application.</p>
  <pre><code> &quot;java.lang.SecurityException: class &quot;org.bouncycastle.jcajce.provider.asymmetric.DSTU4145$Mappings&quot;'s signer information does not match signer information of other classes in the same package&quot;
  </code></pre>