订阅topic失败:Topic is temporarily unavailable

近期碰到很奇怪的问题,一个用了很长时间的分区topic,这两天不管是以新的消费者名或通以往的消费者名去订阅,就是报Topic is temporarily unavailable 的错误。
具体表象如下:
1)只要原来的客户端程序不重启还是可以消费到的
2)新的客户端程序或重启老程序,不管以新的消费者名或通以往的消费者名去订阅,都是报错Topic is temporarily unavailable
出错日志如下:
10:44:21.125 [pulsar-client-io-1-1] WARN org.apache.pulsar.client.impl.MultiTopicsConsumerImpl - Failed subscription for createPartitionedConsumer: persistent://zctt-tenant/oy-msg-namespace/zc_sccp_bdr_2 30, e:java.util.concurrent.CompletionException: org.apache.pulsar.client.api.PulsarClientException$LookupException: Topic is temporarily unavailable
10:44:21.126 [main] ERROR org.apache.pulsar.client.cli.PulsarClientTool - Error while consuming messages
10:44:21.126 [main] ERROR org.apache.pulsar.client.cli.PulsarClientTool - Failed to subscribe persistent://zctt-tenant/oy-msg-namespace/zc_sccp_bdr_2 with 30 partitions
Topic is temporarily unavailable
org.apache.pulsar.client.api.PulsarClientException$LookupException: Failed to subscribe persistent://zctt-tenant/oy-msg-namespace/zc_sccp_bdr_2 with 30 partitions
Topic is temporarily unavailable
at org.apache.pulsar.client.api.PulsarClientException.unwrap(PulsarClientException.java:866) ~[org.apache.pulsar-pulsar-client-api-2.6.1.jar:2.6.1]
at org.apache.pulsar.client.impl.ConsumerBuilderImpl.subscribe(ConsumerBuilderImpl.java:101) ~[org.apache.pulsar-pulsar-client-original-2.6.1.jar:2.6.1]
at org.apache.pulsar.client.cli.CmdConsume.consume(CmdConsume.java:217) [org.apache.pulsar-pulsar-client-tools-2.6.1.jar:2.6.1]
at org.apache.pulsar.client.cli.CmdConsume.run(CmdConsume.java:187) [org.apache.pulsar-pulsar-client-tools-2.6.1.jar:2.6.1]
at org.apache.pulsar.client.cli.PulsarClientTool.run(PulsarClientTool.java:171) [org.apache.pulsar-pulsar-client-tools-2.6.1.jar:2.6.1]
at org.apache.pulsar.client.cli.PulsarClientTool.main(PulsarClientTool.java:203) [org.apache.pulsar-pulsar-client-tools-2.6.1.jar:2.6.1]
10:44:21.129 [main] INFO org.apache.pulsar.client.cli.PulsarClientTool - 0 messages successfully consumed

在新的版本已修复,可以升级到2.9的版本进行验证