frank-montyne opened a new issue #10766:
URL: https://github.com/apache/pulsar/issues/10766


   **Describe the bug**
   I'm trying to subscribe to any persistent topic in a namespace. Suppose we 
have a a tenant 'aTenant' and a namespace 'aNamespace'. I subscribe to all 
topics:
   
   pulsarClient.newConsumer(Schema.STRING)
        .subscriptionName("allTopics")
        .subscriptionType(SubscriptionType.Exclusive)
        .consumerName("consumerId")
        .topic("persistent://aTenant/aNamespace/.+$")
        .messageListener(messageListener)
        .subscribe()); 
   The following exception is thrown:
   
org.apache.pulsar.client.api.PulsarClientException$IncompatibleSchemaException: 
Incompatible schema: exists schema type AVRO, new schema type STRING
        at 
org.apache.pulsar.client.api.PulsarClientException.unwrap(PulsarClientException.java:922)
        at 
org.apache.pulsar.client.impl.ConsumerBuilderImpl.subscribe(ConsumerBuilderImpl.java:101)
   
   
   **To Reproduce**
   Steps to reproduce the behavior:
   Try the above
   
   **Expected behavior**
   No exception
   
   **Desktop (please complete the following information):**
    - OS: OSX, Linux
    - Pulsar 2.7.1, 2.7.2


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