[fix][broker] Skip reading more entries for a pending read with no more entries #16400
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…re entries ### Motivation Related issue: streamnative/kop#1379 KoP uses reader on a single partition of a compacted topic and we observed a lot of logs like: > Error reading entries at 928511:1 : We can only have a single waiting callback It happened on a `ManagedCursorImpl` when `hasMoreEntries` returns false, `asyncReadEntriesOrWait` is called for multiple times before `cancelPendingReadRequest` or new messages arrived. ### Modifications Throw a `ConcurrentWaitCallbackException` instead of a raw `ManagedLedgerException` when there are more wait callbacks. Then check this exception type and skip the following steps in `PersistentDispatcherSingleActiveConsumer#internalReadEntriesFailed`.
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…re entries (apache#16400) ### Motivation Related issue: streamnative/kop#1379 KoP uses reader on a single partition of a compacted topic and we observed a lot of logs like: > Error reading entries at 928511:1 : We can only have a single waiting callback It happened on a `ManagedCursorImpl` when `hasMoreEntries` returns false, `asyncReadEntriesOrWait` is called for multiple times before `cancelPendingReadRequest` or new messages arrived. ### Modifications Throw a `ConcurrentWaitCallbackException` instead of a raw `ManagedLedgerException` when there are more wait callbacks. Then check this exception type and skip the following steps in `PersistentDispatcherSingleActiveConsumer#internalReadEntriesFailed`. (cherry picked from commit 5ec4e3d)
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…re entries (apache#16400) ### Motivation Related issue: streamnative/kop#1379 KoP uses reader on a single partition of a compacted topic and we observed a lot of logs like: > Error reading entries at 928511:1 : We can only have a single waiting callback It happened on a `ManagedCursorImpl` when `hasMoreEntries` returns false, `asyncReadEntriesOrWait` is called for multiple times before `cancelPendingReadRequest` or new messages arrived. ### Modifications Throw a `ConcurrentWaitCallbackException` instead of a raw `ManagedLedgerException` when there are more wait callbacks. Then check this exception type and skip the following steps in `PersistentDispatcherSingleActiveConsumer#internalReadEntriesFailed`.
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…re entries (#16400) ### Motivation Related issue: streamnative/kop#1379 KoP uses reader on a single partition of a compacted topic and we observed a lot of logs like: > Error reading entries at 928511:1 : We can only have a single waiting callback It happened on a `ManagedCursorImpl` when `hasMoreEntries` returns false, `asyncReadEntriesOrWait` is called for multiple times before `cancelPendingReadRequest` or new messages arrived. ### Modifications Throw a `ConcurrentWaitCallbackException` instead of a raw `ManagedLedgerException` when there are more wait callbacks. Then check this exception type and skip the following steps in `PersistentDispatcherSingleActiveConsumer#internalReadEntriesFailed`. (cherry picked from commit 5ec4e3d)
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…re entries (#16400) ### Motivation Related issue: streamnative/kop#1379 KoP uses reader on a single partition of a compacted topic and we observed a lot of logs like: > Error reading entries at 928511:1 : We can only have a single waiting callback It happened on a `ManagedCursorImpl` when `hasMoreEntries` returns false, `asyncReadEntriesOrWait` is called for multiple times before `cancelPendingReadRequest` or new messages arrived. ### Modifications Throw a `ConcurrentWaitCallbackException` instead of a raw `ManagedLedgerException` when there are more wait callbacks. Then check this exception type and skip the following steps in `PersistentDispatcherSingleActiveConsumer#internalReadEntriesFailed`. (cherry picked from commit 5ec4e3d)
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…re entries (#16400) ### Motivation Related issue: streamnative/kop#1379 KoP uses reader on a single partition of a compacted topic and we observed a lot of logs like: > Error reading entries at 928511:1 : We can only have a single waiting callback It happened on a `ManagedCursorImpl` when `hasMoreEntries` returns false, `asyncReadEntriesOrWait` is called for multiple times before `cancelPendingReadRequest` or new messages arrived. ### Modifications Throw a `ConcurrentWaitCallbackException` instead of a raw `ManagedLedgerException` when there are more wait callbacks. Then check this exception type and skip the following steps in `PersistentDispatcherSingleActiveConsumer#internalReadEntriesFailed`. (cherry picked from commit 5ec4e3d)
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Motivation
Related issue: streamnative/kop#1379
KoP uses reader on a single partition of a compacted topic and we
observed a lot of logs like:
It happened on a
ManagedCursorImplwhenhasMoreEntriesreturnsfalse,
asyncReadEntriesOrWaitis called for multiple times beforecancelPendingReadRequestor new messages arrived.Modifications
Throw a
ConcurrentWaitCallbackExceptioninstead of a rawManagedLedgerExceptionwhen there are more wait callbacks. Then checkthis exception type and skip the following steps in
PersistentDispatcherSingleActiveConsumer#internalReadEntriesFailed.Documentation
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