Why RedisConnectionFailureException thrown from redis ticket repository are suppressed

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Priyambada Madala

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Dec 1, 2020, 6:14:57 AM12/1/20
to CAS Community
Recently during my research i came across the following code from apereo redis ticket repository library .  

The implication of this code is that we dont throw any exception related RedisConnectionFailureException if the connection between redis cluster and cas is broken . 

This results in following behaviour . 
  1. Any Single sign in sessions cant be used any more  
  2. New users can't log in and will be stuck in login page with out any error message . 
I have following concerns on the same . 
  1. Can any one help me understand why we designed the API to eat up the RedisConnectionFailureException . 
  2. Can we better handle issue #2. 

Ray Bon

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Dec 1, 2020, 12:07:32 PM12/1/20
to cas-...@apereo.org
Priyambada,

Any loss of the ticket storage system would result in an interruption in an SSO session. This is not limited to redis.
#2 is more interesting. 
Does cas fall back to 'in memory storage' if the remote ticket store is unavailable?
Is there an error log written when the ticket store is unavailable (or some other form of alert)?

Ray

On Tue, 2020-12-01 at 03:14 -0800, Priyambada Madala wrote:
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Priyambada Madala

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Dec 2, 2020, 12:06:27 AM12/2/20
to CAS Community, Ray Bon
As of my observation CAS doesn't fall back to 'in memory storage' if the remote ticket store is unavailable.

Following are the exception logs i see from logs . 

```
2020-12-02 10:25:17,597 ERROR [org.apereo.cas.ticket.registry.DefaultTicketRegistryCleaner] - <Cannot get Jedis connection; nested exception is redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool>
org.springframework.data.redis.RedisConnectionFailureException: Cannot get Jedis connection; nested exception is redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.fetchJedisConnector(JedisConnectionFactory.java:204) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.getConnection(JedisConnectionFactory.java:348) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory$$FastClassBySpringCGLIB$$648e8c34.invoke(<generated>) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:738) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.cloud.context.config.StandardBeanLifecycleDecorator$2.invoke(StandardBeanLifecycleDecorator.java:85) ~[spring-cloud-context-1.2.4.RELEASE.jar:1.2.4.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:673) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory$$EnhancerBySpringCGLIB$$53ace114.getConnection(<generated>) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_163]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_163]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_163]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_163]
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:133) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:121) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at com.sun.proxy.$Proxy155.getConnection(Unknown Source) ~[?:?]
at org.springframework.data.redis.core.RedisConnectionUtils.doGetConnection(RedisConnectionUtils.java:129) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
at org.springframework.data.redis.core.RedisConnectionUtils.getConnection(RedisConnectionUtils.java:92) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
at org.springframework.data.redis.core.RedisConnectionUtils.getConnection(RedisConnectionUtils.java:79) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:194) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:169) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
at org.springframework.data.redis.core.RedisTemplate.keys(RedisTemplate.java:748) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
at org.springframework.data.redis.core.RedisTemplate$$FastClassBySpringCGLIB$$81812bd6.invoke(<generated>) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:738) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:133) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:121) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:673) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.data.redis.core.RedisTemplate$$EnhancerBySpringCGLIB$$b9a75fb4.keys(<generated>) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
at org.apereo.cas.ticket.registry.RedisTicketRegistry.getTickets(RedisTicketRegistry.java:90) ~[cas-server-support-redis-ticket-registry-5.2.1.jar:5.2.1]
at org.apereo.cas.ticket.registry.TicketRegistry.getTicketsStream(TicketRegistry.java:108) ~[cas-server-core-api-ticket-5.2.1.jar:5.2.1]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_163]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_163]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_163]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_163]
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:133) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:121) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at com.sun.proxy.$Proxy102.getTicketsStream(Unknown Source) ~[?:?]
at org.apereo.cas.ticket.registry.DefaultTicketRegistryCleaner.cleanInternal(DefaultTicketRegistryCleaner.java:66) ~[cas-server-core-tickets-5.2.1.jar:5.2.1]
at org.apereo.cas.ticket.registry.DefaultTicketRegistryCleaner.clean(DefaultTicketRegistryCleaner.java:52) [cas-server-core-tickets-5.2.1.jar:5.2.1]
at org.apereo.cas.ticket.registry.DefaultTicketRegistryCleaner$$FastClassBySpringCGLIB$$29f046b2.invoke(<generated>) [cas-server-core-tickets-5.2.1.jar:5.2.1]
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) [spring-core-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:738) [spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) [spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) [spring-tx-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:282) [spring-tx-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) [spring-tx-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:673) [spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.apereo.cas.ticket.registry.DefaultTicketRegistryCleaner$$EnhancerBySpringCGLIB$$89f7e3e5.clean(<generated>) [cas-server-core-tickets-5.2.1.jar:5.2.1]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_163]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_163]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_163]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_163]
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333) [spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190) [spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) [spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) [spring-tx-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:282) [spring-tx-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) [spring-tx-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213) [spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at com.sun.proxy.$Proxy160.clean(Unknown Source) [?:?]
at org.apereo.cas.config.CasCoreTicketsSchedulingConfiguration$TicketRegistryCleanerScheduler.run(CasCoreTicketsSchedulingConfiguration.java:90) [cas-server-core-tickets-5.2.1.jar:5.2.1]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_163]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_163]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_163]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_163]
at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:65) [spring-context-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54) [spring-context-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_163]
at java.util.concurrent.FutureTask.runAndReset$$$capture(FutureTask.java:308) [?:1.8.0_163]
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java) [?:1.8.0_163]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) [?:1.8.0_163]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) [?:1.8.0_163]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_163]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_163]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_163]
Caused by: redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool
at redis.clients.util.Pool.getResource(Pool.java:53) ~[jedis-2.9.0.jar:?]
at redis.clients.jedis.JedisPool.getResource(JedisPool.java:226) ~[jedis-2.9.0.jar:?]
at redis.clients.jedis.JedisPool.getResource(JedisPool.java:16) ~[jedis-2.9.0.jar:?]
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.fetchJedisConnector(JedisConnectionFactory.java:194) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
... 90 more
Caused by: redis.clients.jedis.exceptions.JedisConnectionException: java.net.ConnectException: Connection refused (Connection refused)
at redis.clients.jedis.Connection.connect(Connection.java:207) ~[jedis-2.9.0.jar:?]
at redis.clients.jedis.BinaryClient.connect(BinaryClient.java:93) ~[jedis-2.9.0.jar:?]
at redis.clients.jedis.BinaryJedis.connect(BinaryJedis.java:1767) ~[jedis-2.9.0.jar:?]
at redis.clients.jedis.JedisFactory.makeObject(JedisFactory.java:106) ~[jedis-2.9.0.jar:?]
at org.apache.commons.pool2.impl.GenericObjectPool.create(GenericObjectPool.java:868) ~[commons-pool2-2.4.2.jar:2.4.2]
at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:435) ~[commons-pool2-2.4.2.jar:2.4.2]
at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:363) ~[commons-pool2-2.4.2.jar:2.4.2]
at redis.clients.util.Pool.getResource(Pool.java:49) ~[jedis-2.9.0.jar:?]
at redis.clients.jedis.JedisPool.getResource(JedisPool.java:226) ~[jedis-2.9.0.jar:?]
at redis.clients.jedis.JedisPool.getResource(JedisPool.java:16) ~[jedis-2.9.0.jar:?]
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.fetchJedisConnector(JedisConnectionFactory.java:194) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
... 90 more
Caused by: java.net.ConnectException: Connection refused (Connection refused)
at java.net.PlainSocketImpl.socketConnect(Native Method) ~[?:1.8.0_163]
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[?:1.8.0_163]
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[?:1.8.0_163]
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[?:1.8.0_163]
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[?:1.8.0_163]
at java.net.Socket.connect(Socket.java:589) ~[?:1.8.0_163]
at redis.clients.jedis.Connection.connect(Connection.java:184) ~[jedis-2.9.0.jar:?]
at redis.clients.jedis.BinaryClient.connect(BinaryClient.java:93) ~[jedis-2.9.0.jar:?]
at redis.clients.jedis.BinaryJedis.connect(BinaryJedis.java:1767) ~[jedis-2.9.0.jar:?]
at redis.clients.jedis.JedisFactory.makeObject(JedisFactory.java:106) ~[jedis-2.9.0.jar:?]
at org.apache.commons.pool2.impl.GenericObjectPool.create(GenericObjectPool.java:868) ~[commons-pool2-2.4.2.jar:2.4.2]
at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:435) ~[commons-pool2-2.4.2.jar:2.4.2]
at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:363) ~[commons-pool2-2.4.2.jar:2.4.2]
at redis.clients.util.Pool.getResource(Pool.java:49) ~[jedis-2.9.0.jar:?]
at redis.clients.jedis.JedisPool.getResource(JedisPool.java:226) ~[jedis-2.9.0.jar:?]
at redis.clients.jedis.JedisPool.getResource(JedisPool.java:16) ~[jedis-2.9.0.jar:?]
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.fetchJedisConnector(JedisConnectionFactory.java:194) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
... 90 more
2020-12-02 10:25:17,597 ERROR [org.apereo.cas.ticket.registry.DefaultTicketRegistryCleaner] - <Cannot get Jedis connection; nested exception is redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool>
org.springframework.data.redis.RedisConnectionFailureException: Cannot get Jedis connection; nested exception is redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.fetchJedisConnector(JedisConnectionFactory.java:204) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.getConnection(JedisConnectionFactory.java:348) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory$$FastClassBySpringCGLIB$$648e8c34.invoke(<generated>) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:738) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.cloud.context.config.StandardBeanLifecycleDecorator$2.invoke(StandardBeanLifecycleDecorator.java:85) ~[spring-cloud-context-1.2.4.RELEASE.jar:1.2.4.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:673) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory$$EnhancerBySpringCGLIB$$53ace114.getConnection(<generated>) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_163]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_163]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_163]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_163]
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:133) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:121) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at com.sun.proxy.$Proxy155.getConnection(Unknown Source) ~[?:?]
at org.springframework.data.redis.core.RedisConnectionUtils.doGetConnection(RedisConnectionUtils.java:129) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
at org.springframework.data.redis.core.RedisConnectionUtils.getConnection(RedisConnectionUtils.java:92) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
at org.springframework.data.redis.core.RedisConnectionUtils.getConnection(RedisConnectionUtils.java:79) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:194) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:169) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
at org.springframework.data.redis.core.RedisTemplate.keys(RedisTemplate.java:748) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
at org.springframework.data.redis.core.RedisTemplate$$FastClassBySpringCGLIB$$81812bd6.invoke(<generated>) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) ~[spring-core-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:738) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:133) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:121) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:673) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.data.redis.core.RedisTemplate$$EnhancerBySpringCGLIB$$b9a75fb4.keys(<generated>) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
at org.apereo.cas.ticket.registry.RedisTicketRegistry.getTickets(RedisTicketRegistry.java:90) ~[cas-server-support-redis-ticket-registry-5.2.1.jar:5.2.1]
at org.apereo.cas.ticket.registry.TicketRegistry.getTicketsStream(TicketRegistry.java:108) ~[cas-server-core-api-ticket-5.2.1.jar:5.2.1]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_163]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_163]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_163]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_163]
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.support.DelegatingIntroductionInterceptor.doProceed(DelegatingIntroductionInterceptor.java:133) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.support.DelegatingIntroductionInterceptor.invoke(DelegatingIntroductionInterceptor.java:121) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213) ~[spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at com.sun.proxy.$Proxy102.getTicketsStream(Unknown Source) ~[?:?]
at org.apereo.cas.ticket.registry.DefaultTicketRegistryCleaner.cleanInternal(DefaultTicketRegistryCleaner.java:66) ~[cas-server-core-tickets-5.2.1.jar:5.2.1]
at org.apereo.cas.ticket.registry.DefaultTicketRegistryCleaner.clean(DefaultTicketRegistryCleaner.java:52) [cas-server-core-tickets-5.2.1.jar:5.2.1]
at org.apereo.cas.ticket.registry.DefaultTicketRegistryCleaner$$FastClassBySpringCGLIB$$29f046b2.invoke(<generated>) [cas-server-core-tickets-5.2.1.jar:5.2.1]
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) [spring-core-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:738) [spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) [spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) [spring-tx-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:282) [spring-tx-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) [spring-tx-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:673) [spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.apereo.cas.ticket.registry.DefaultTicketRegistryCleaner$$EnhancerBySpringCGLIB$$89f7e3e5.clean(<generated>) [cas-server-core-tickets-5.2.1.jar:5.2.1]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_163]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_163]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_163]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_163]
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333) [spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190) [spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) [spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) [spring-tx-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:282) [spring-tx-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) [spring-tx-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213) [spring-aop-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at com.sun.proxy.$Proxy160.clean(Unknown Source) [?:?]
at org.apereo.cas.config.CasCoreTicketsSchedulingConfiguration$TicketRegistryCleanerScheduler.run(CasCoreTicketsSchedulingConfiguration.java:90) [cas-server-core-tickets-5.2.1.jar:5.2.1]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_163]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_163]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_163]
at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_163]
at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:65) [spring-context-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54) [spring-context-4.3.12.RELEASE.jar:4.3.12.RELEASE]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_163]
at java.util.concurrent.FutureTask.runAndReset$$$capture(FutureTask.java:308) [?:1.8.0_163]
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java) [?:1.8.0_163]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) [?:1.8.0_163]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) [?:1.8.0_163]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_163]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_163]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_163]
Caused by: redis.clients.jedis.exceptions.JedisConnectionException: Could not get a resource from the pool
at redis.clients.util.Pool.getResource(Pool.java:53) ~[jedis-2.9.0.jar:?]
at redis.clients.jedis.JedisPool.getResource(JedisPool.java:226) ~[jedis-2.9.0.jar:?]
at redis.clients.jedis.JedisPool.getResource(JedisPool.java:16) ~[jedis-2.9.0.jar:?]
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.fetchJedisConnector(JedisConnectionFactory.java:194) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
... 90 more
Caused by: redis.clients.jedis.exceptions.JedisConnectionException: java.net.ConnectException: Connection refused (Connection refused)
at redis.clients.jedis.Connection.connect(Connection.java:207) ~[jedis-2.9.0.jar:?]
at redis.clients.jedis.BinaryClient.connect(BinaryClient.java:93) ~[jedis-2.9.0.jar:?]
at redis.clients.jedis.BinaryJedis.connect(BinaryJedis.java:1767) ~[jedis-2.9.0.jar:?]
at redis.clients.jedis.JedisFactory.makeObject(JedisFactory.java:106) ~[jedis-2.9.0.jar:?]
at org.apache.commons.pool2.impl.GenericObjectPool.create(GenericObjectPool.java:868) ~[commons-pool2-2.4.2.jar:2.4.2]
at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:435) ~[commons-pool2-2.4.2.jar:2.4.2]
at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:363) ~[commons-pool2-2.4.2.jar:2.4.2]
at redis.clients.util.Pool.getResource(Pool.java:49) ~[jedis-2.9.0.jar:?]
at redis.clients.jedis.JedisPool.getResource(JedisPool.java:226) ~[jedis-2.9.0.jar:?]
at redis.clients.jedis.JedisPool.getResource(JedisPool.java:16) ~[jedis-2.9.0.jar:?]
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.fetchJedisConnector(JedisConnectionFactory.java:194) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
... 90 more
Caused by: java.net.ConnectException: Connection refused (Connection refused)
at java.net.PlainSocketImpl.socketConnect(Native Method) ~[?:1.8.0_163]
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[?:1.8.0_163]
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[?:1.8.0_163]
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[?:1.8.0_163]
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[?:1.8.0_163]
at java.net.Socket.connect(Socket.java:589) ~[?:1.8.0_163]
at redis.clients.jedis.Connection.connect(Connection.java:184) ~[jedis-2.9.0.jar:?]
at redis.clients.jedis.BinaryClient.connect(BinaryClient.java:93) ~[jedis-2.9.0.jar:?]
at redis.clients.jedis.BinaryJedis.connect(BinaryJedis.java:1767) ~[jedis-2.9.0.jar:?]
at redis.clients.jedis.JedisFactory.makeObject(JedisFactory.java:106) ~[jedis-2.9.0.jar:?]
at org.apache.commons.pool2.impl.GenericObjectPool.create(GenericObjectPool.java:868) ~[commons-pool2-2.4.2.jar:2.4.2]
at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:435) ~[commons-pool2-2.4.2.jar:2.4.2]
at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:363) ~[commons-pool2-2.4.2.jar:2.4.2]
at redis.clients.util.Pool.getResource(Pool.java:49) ~[jedis-2.9.0.jar:?]
at redis.clients.jedis.JedisPool.getResource(JedisPool.java:226) ~[jedis-2.9.0.jar:?]
at redis.clients.jedis.JedisPool.getResource(JedisPool.java:16) ~[jedis-2.9.0.jar:?]
at org.springframework.data.redis.connection.jedis.JedisConnectionFactory.fetchJedisConnector(JedisConnectionFactory.java:194) ~[spring-data-redis-1.8.8.RELEASE.jar:?]
... 90 more
```

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