【JAVA】java.util.ArrayList cannot be cast to class java.lang.String

原创

后端研发Marion 2022-07-28 09:27:34 博主文章分类：Redis ©著作权

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一、问题描述

21-05-25 14:39:34.110 ERROR [taskScheduler-12] o.s.s.s.TaskUtils$LoggingErrorHandler   :95  - Unexpected error occurred in scheduled task
java.lang.ClassCastException: class java.util.ArrayList cannot be cast to class java.lang.String (java.util.ArrayList and java.lang.String are in module java.base of loader 'bootstrap')
  at org.springframework.data.redis.serializer.StringRedisSerializer.serialize(StringRedisSerializer.java:36)
  at org.springframework.data.redis.core.AbstractOperations.rawValue(AbstractOperations.java:127)
  at org.springframework.data.redis.core.AbstractOperations.rawValues(AbstractOperations.java:135)
  at org.springframework.data.redis.core.DefaultZSetOperations.remove(DefaultZSetOperations.java:335)
  at com.easylive.mgs.stat.service.redis.AudienceRankCache.checkRejectedAudience(AudienceRankCache.java:92)
  at com.easylive.mgs.stat.job.RankCacheJob.checkRejectedAudience(RankCacheJob.java:72)
  at jdk.internal.reflect.GeneratedMethodAccessor184.invoke(Unknown Source)
  at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.base/java.lang.reflect.Method.invoke(Method.java:567)
  at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:84)
  at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
  at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
  at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
  at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
  at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
  at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
  at java.base/java.lang.Thread.run(Thread.java:835)

使用这个方法是传递了一个List导致报错

/**
   * Remove {@code values} from sorted set. Return number of removed elements.
   *
   * @param key must not be {@literal null}.
   * @param values must not be {@literal null}.
   * @return {@literal null} when used in pipeline / transaction.
   * @see <a href="https://redis.io/commands/zrem">Redis Documentation: ZREM</a>
   */
  @Nullable
  Long remove(K key, Object... values);