java.lang.NullPointerException: This exception has no message.

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java.lang.NullPointerException:
at org.springframework.integration.redis.rules.RedisAvailableTests.awaitContainerSubscribed(RedisAvailableTests.java:57)
at org.springframework.integration.redis.rules.RedisAvailableTests.awaitContainerSubscribedWithPatterns(RedisAvailableTests.java:66)
at org.springframework.integration.redis.config.RedisInboundChannelAdapterParserTests.testInboundChannelAdapterMessaging(RedisInboundChannelAdapterParserTests.java:89)

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