在开发一个Sping Boot 应用程序的时候，我们使用了keycloak，当使用vscode中嵌入的tomcat启动它时，一切都正常工作。
在部署的时候，我们希望把它放在一个独立的tomcat服务器上，所以我们复制了war文件，应用程序启动了，我们得到了一个到keycloak服务器的重定向，在完成登录后，重定向回页面工作正常。
在加载页面时，我们得到以下错误：

20-Aug-2021 13:15:31.341 SCHWERWIEGEND [http-nio-8080-exec-10] org.apache.catalina.core.StandardHostValve.invoke Exception Processing /myapplicationpath/
    java.util.ServiceConfigurationError: org.keycloak.adapters.authorization.ClaimInformationPointProviderFactory: org.keycloak.adapters.authorization.cip.ClaimsInformationPointProviderFactory not a subtype
        at java.base/java.util.ServiceLoader.fail(ServiceLoader.java:590)
        at java.base/java.util.ServiceLoader$LazyClassPathLookupIterator.hasNextService(ServiceLoader.java:1237)
        at java.base/java.util.ServiceLoader$LazyClassPathLookupIterator.hasNext(ServiceLoader.java:1265)
        at java.base/java.util.ServiceLoader$2.hasNext(ServiceLoader.java:1300)
        at java.base/java.util.ServiceLoader$3.hasNext(ServiceLoader.java:1385)
        at org.keycloak.adapters.authorization.PolicyEnforcer.loadClaimInformationPointProviders(PolicyEnforcer.java:134)
        at org.keycloak.adapters.authorization.PolicyEnforcer.<init>(PolicyEnforcer.java:87)
        at org.keycloak.adapters.KeycloakDeploymentBuilder$1.call(KeycloakDeploymentBuilder.java:154)
        at org.keycloak.adapters.KeycloakDeploymentBuilder$1.call(KeycloakDeploymentBuilder.java:147)
        at org.keycloak.adapters.KeycloakDeployment.getPolicyEnforcer(KeycloakDeployment.java:537)
        at org.keycloak.adapters.AuthenticatedActionsHandler.isAuthorized(AuthenticatedActionsHandler.java:150)
        at org.keycloak.adapters.AuthenticatedActionsHandler.handledRequest(AuthenticatedActionsHandler.java:60)
        at org.keycloak.adapters.tomcat.AbstractAuthenticatedActionsValve.invoke(AbstractAuthenticatedActionsValve.java:62)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:607)
        at org.keycloak.adapters.tomcat.AbstractKeycloakAuthenticatorValve.invoke(AbstractKeycloakAuthenticatorValve.java:181)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
        at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:678)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
        at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:408)
        at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
        at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:853)
        at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1587)
        at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.base/java.lang.Thread.run(Thread.java:835)

这是我们当前的keycloak.json文件：

{
  "realm": "realmname",
  "auth-server-url": "https://ourkeycloakserver.com/auth/",
  "ssl-required": "none",
  "resource": "clientname",
  "verify-token-audience": true,
  "credentials": {
    "secret": "secret"
  },
  "use-resource-role-mappings": true,
  "confidential-port": 0,
  "policy-enforcer": {}
}

知道我们应该看什么吗？keycloak配置在我们的www.example.com中application.properties，它可以很好地与嵌入式tomcat一起工作。