eolivelli commented on code in PR #17228:
URL: https://github.com/apache/pulsar/pull/17228#discussion_r964816425
##########
managed-ledger/src/main/java/org/apache/bookkeeper/mledger/impl/ManagedLedgerImpl.java:
##########
@@ -2357,6 +2357,41 @@ private void
maybeOffloadInBackground(CompletableFuture<PositionImpl> promise) {
}
}
+ // Although we have caught the connection loss exception on the meta
store, to avoid other exceptions cause
+ // the mismatch between meta store and in memory, we refresh the ledger
info list when the offload execute
+ // failed by badversion
+ private void asyncRefreshLedgersInfoOnBadVersion(ManagedLedgerException
exception) {
+ if (!(exception instanceof BadVersionException)) {
+ return;
+ }
+ if (!metadataMutex.tryLock()) {
+ scheduledExecutor.schedule(
+ () -> asyncRefreshLedgersInfoOnBadVersion(exception), 100,
TimeUnit.MILLISECONDS);
+ return;
+ }
+ store.getManagedLedgerInfo(name, false, new MetaStoreCallback<>() {
+ @Override
+ public void operationComplete(ManagedLedgerInfo mlInfo, Stat stat)
{
+ ledgersStat = stat;
+ synchronized (this) {
Review Comment:
what about an explicit ?
`synchronized (ManagedLedgerImpl.this) {`
##########
managed-ledger/src/main/java/org/apache/bookkeeper/mledger/impl/ManagedLedgerImpl.java:
##########
@@ -2357,6 +2357,41 @@ private void
maybeOffloadInBackground(CompletableFuture<PositionImpl> promise) {
}
}
+ // Although we have caught the connection loss exception on the meta
store, to avoid other exceptions cause
+ // the mismatch between meta store and in memory, we refresh the ledger
info list when the offload execute
+ // failed by badversion
+ private void asyncRefreshLedgersInfoOnBadVersion(ManagedLedgerException
exception) {
+ if (!(exception instanceof BadVersionException)) {
+ return;
+ }
+ if (!metadataMutex.tryLock()) {
+ scheduledExecutor.schedule(
+ () -> asyncRefreshLedgersInfoOnBadVersion(exception), 100,
TimeUnit.MILLISECONDS);
+ return;
+ }
+ store.getManagedLedgerInfo(name, false, new MetaStoreCallback<>() {
+ @Override
+ public void operationComplete(ManagedLedgerInfo mlInfo, Stat stat)
{
+ ledgersStat = stat;
+ synchronized (this) {
+ for (LedgerInfo li : mlInfo.getLedgerInfoList()) {
+ long ledgerId = li.getLedgerId();
+ if (!li.equals(ledgers.get(ledgerId))) {
+ ledgers.put(ledgerId, li);
+ }
+ }
+ }
+ metadataMutex.unlock();
Review Comment:
this should be in a `finally` block
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