[infinispan-issues] [JBoss JIRA] (ISPN-6550) Remote iterator does not work in compatibility mode

[Gustavo Fernandes (JIRA)]

Gustavo Fernandes created ISPN-6550:
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             Summary: Remote iterator does not work in compatibility mode
                 Key: ISPN-6550
                 URL: https://issues.jboss.org/browse/ISPN-6550
             Project: Infinispan
          Issue Type: Bug
          Components: Server
            Reporter: Gustavo Fernandes


There are two issues when trying to iterate caches configured with compatibility:

1) Since the client-side key tracker calculates segments based on byte[] keys, and the routing on the server is done via Object, there's a mismatch between segments calculated in the server and the client casing NPEs that prevent the data from the socket to be consumed correctly, resulting sometimes in:
{code}
org.infinispan.client.hotrod.exceptions.InvalidResponseException:: Invalid magic number. Expected 0xa1 and received 0x0
	at org.infinispan.client.hotrod.impl.protocol.Codec20.readMagic(Codec20.java:313)
	at org.infinispan.client.hotrod.impl.protocol.Codec20.readHeader(Codec20.java:115)
	at org.infinispan.client.hotrod.impl.operations.HotRodOperation.readHeaderAndValidate(HotRodOperation.java:56)
	at org.infinispan.client.hotrod.impl.operations.IterationEndOperation.execute(IterationEndOperation.java:34)
	at org.infinispan.client.hotrod.impl.iteration.RemoteCloseableIterator.close(RemoteCloseableIterator.java:64)
{code}

2) When the cache configuration has a different name than the cache, CCE errors are thrown:
{code}
org.infinispan.client.hotrod.exceptions.HotRodClientException: java.lang.ClassCastException: java.lang.Integer cannot be cast to [B
	at org.infinispan.client.hotrod.impl.protocol.Codec20.checkForErrorsInResponseStatus(Codec20.java:343) ~[infinispan-client-hotrod-9.0.0-SNAPSHOT.jar:9.0.0-SNAPSHOT]
{code}



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