The first login is slow in the morning and afternoon, but after one slow login, other users are unim

[lzp]

I checked the log and found this error, /index.action is slow, why

java.lang.Throwable
at java.base@11.0.7/jdk.internal.misc.Unsafe.park(Native Method)
at java.base@11.0.7/java.util.concurrent.locks.LockSupport.park(Unknown Source)
at java.base@11.0.7/java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(Unknown Source)
at java.base@11.0.7/java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireShared(Unknown Source)
at java.base@11.0.7/java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireShared(Unknown Source)
at java.base@11.0.7/java.util.concurrent.locks.ReentrantReadWriteLock$ReadLock.lock(Unknown Source)
at net.sf.ehcache.concurrent.ReadWriteLockSync.lock(ReadWriteLockSync.java:50)
at net.sf.ehcache.constructs.blocking.BlockingCache.acquiredLockForKey(BlockingCache.java:196)
at net.sf.ehcache.constructs.blocking.BlockingCache.get(BlockingCache.java:158)
at com.atlassian.cache.ehcache.LoadingCache.get(LoadingCache.java:79)
at com.atlassian.cache.ehcache.DelegatingCachedReference.get(DelegatingCachedReference.java:74)
at com.atlassian.confluence.cache.DeferredCachedReference.sync(DeferredCachedReference.java:140)
at com.atlassian.confluence.cache.TransactionalCacheFactory$DelegateCacheSynchronization.synchronizeCache(TransactionalCacheFactory.java:252)
at com.atlassian.confluence.cache.TransactionalCacheFactory$DelegateCacheSynchronization.synchronizeCaches(TransactionalCacheFactory.java:231)
at com.atlassian.confluence.cache.TransactionalCacheFactory$DelegateCacheSynchronization.afterCompletion(TransactionalCacheFactory.java:218)
at org.springframework.transaction.support.TransactionSynchronizationUtils.invokeAfterCompletion(TransactionSynchronizationUtils.java:171)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.invokeAfterCompletion(AbstractPlatformTransactionManager.java:992)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.triggerAfterCompletion(AbstractPlatformTransactionManager.java:967)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:788)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:714)
at jdk.internal.reflect.GeneratedMethodAccessor80.invoke(Unknown Source)
at java.base@11.0.7/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.base@11.0.7/java.lang.reflect.Method.invoke(Unknown Source)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:205)
at com.sun.proxy.$Proxy75.commit(Unknown Source)
at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:152)
at com.atlassian.confluence.util.profiling.ConfluenceSitemeshDecorator.render(ConfluenceSitemeshDecorator.java:98)
at com.opensymphony.sitemesh.webapp.decorator.BaseWebAppDecorator.render(BaseWebAppDecorator.java:33)
at com.opensymphony.sitemesh.webapp.SiteMeshFilter.doFilter(SiteMeshFilter.java:84)
at com.atlassian.confluence.util.profiling.ProfilingSiteMeshFilter.doFilter(ProfilingSiteMeshFilter.java:50)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:39)

[lzp]

1111

[lzp]

please help me!!