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IGNITE-28242 Move cp readlock up in call stack to ensure correct lock acquisition ordering #12972

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IGNITE-28242 Move cp readlock up in call stack to ensure correct lock acquisition ordering #12972

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a8bab1c
IGNITE-28242 Move cp readlock up in call stack to ensure correct lock…
sergey-chugunov-1985 Apr 2, 2026
b3c8d4e
IGNITE-28242 Add cp readlock to other places after test report analysis
sergey-chugunov-1985 Apr 3, 2026
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4 changes: 0 additions & 4 deletions ...les/core/src/main/java/org/apache/ignite/internal/processors/cache/GridCacheMapEntry.java
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Original file line number Diff line number Diff line change
Expand Up @@ -457,8 +457,6 @@ protected GridDhtLocalPartition localPartition() {
boolean deferred = false;
GridCacheVersion ver0 = null;

cctx.shared().database().checkpointReadLock();

lockEntry();

try {
Expand Down Expand Up @@ -494,8 +492,6 @@ protected GridDhtLocalPartition localPartition() {
}
finally {
unlockEntry();

cctx.shared().database().checkpointReadUnlock();
}

if (obsolete) {
Expand Down
24 changes: 15 additions & 9 deletions ...va/org/apache/ignite/internal/processors/cache/distributed/dht/GridDhtTxLocalAdapter.java
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Original file line number Diff line number Diff line change
Expand Up @@ -589,18 +589,24 @@ IgniteInternalFuture<GridCacheReturn> lockAllAsync(
if (txEntry == null) {
GridDhtCacheEntry cached;

while (true) {
try {
cached = dhtCache.entryExx(key, topVer);
cctx.database().checkpointReadLock();

cached.unswap(read);
try {
while (true) {
try {
cached = dhtCache.entryExx(key, topVer);

break;
}
catch (GridCacheEntryRemovedException ignore) {
if (log.isDebugEnabled())
log.debug("Get removed entry: " + key);
cached.unswap(read);

break;
}
catch (GridCacheEntryRemovedException ignore) {
if (log.isDebugEnabled())
log.debug("Get removed entry: " + key);
}
}
} finally {
cctx.database().checkpointReadUnlock();
}

addActiveCache(dhtCache.context(), false);
Expand Down
99 changes: 49 additions & 50 deletions ...in/java/org/apache/ignite/internal/processors/cache/distributed/near/GridNearTxLocal.java
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Original file line number Diff line number Diff line change
Expand Up @@ -1251,29 +1251,29 @@ private boolean enlistWriteEntry(GridCacheContext cacheCtx,
GridCacheEntryEx entry = entryEx(cacheCtx, txKey, entryTopVer != null ? entryTopVer : topologyVersion());

try {
entry.unswap(false);

// Check if lock is being explicitly acquired by the same thread.
if (!implicit && cctx.kernalContext().config().isCacheSanityCheckEnabled() &&
entry.lockedByThread(threadId, xidVer)) {
throw new IgniteCheckedException("Cannot access key within transaction if lock is " +
"externally held [key=" + CU.value(cacheKey, cacheCtx, false) +
", entry=" + entry +
", xidVer=" + xidVer +
", threadId=" + threadId +
", locNodeId=" + cctx.localNodeId() + ']');
}

CacheObject old = null;
GridCacheVersion readVer = null;

if (optimistic() && !implicit()) {
try {
if (needReadVer) {
if (primaryLocal(entry)) {
cctx.database().checkpointReadLock();
cctx.database().checkpointReadLock();

try {
try {
entry.unswap(false);

// Check if lock is being explicitly acquired by the same thread.
if (!implicit && cctx.kernalContext().config().isCacheSanityCheckEnabled() &&
entry.lockedByThread(threadId, xidVer)) {
throw new IgniteCheckedException("Cannot access key within transaction if lock is " +
"externally held [key=" + CU.value(cacheKey, cacheCtx, false) +
", entry=" + entry +
", xidVer=" + xidVer +
", threadId=" + threadId +
", locNodeId=" + cctx.localNodeId() + ']');
}

if (optimistic() && !implicit()) {
try {
if (needReadVer) {
if (primaryLocal(entry)) {
EntryGetResult res = entry.innerGetVersioned(
null,
this,
Expand All @@ -1290,15 +1290,8 @@ private boolean enlistWriteEntry(GridCacheContext cacheCtx,
readVer = res.version();
}
}
finally {
cctx.database().checkpointReadUnlock();
}
}
}
else {
cctx.database().checkpointReadLock();

try {
else {
old = entry.innerGet(
null,
this,
Expand All @@ -1310,19 +1303,18 @@ private boolean enlistWriteEntry(GridCacheContext cacheCtx,
null,
keepBinary);
}
finally {
cctx.database().checkpointReadUnlock();
}
}
}
catch (ClusterTopologyCheckedException e) {
entry.touch();
catch (ClusterTopologyCheckedException e) {
entry.touch();

throw e;
throw e;
}
}
else
old = entry.rawGet();
} finally {
cctx.database().checkpointReadUnlock();
}
else
old = entry.rawGet();

final GridCacheOperation op = rmv ? DELETE :
entryProc != null ? TRANSFORM : old != null ? UPDATE : CREATE;
Expand Down Expand Up @@ -2391,21 +2383,28 @@ private <K, V> Collection<KeyCacheObject> enlistRead(
optimistic() ? accessPolicy(cacheCtx, txKey, expiryPlc) : null;

if (needReadVer) {
getRes = primaryLocal(entry) ?
entry.innerGetVersioned(
null,
this,
/*metrics*/true,
/*event*/true,
null,
resolveTaskName(),
accessPlc,
!deserializeBinary,
null) : null;
cctx.database().checkpointReadLock();

if (getRes != null) {
val = getRes.value();
readVer = getRes.version();
try {
getRes = primaryLocal(entry) ?
entry.innerGetVersioned(
null,
this,
/*metrics*/true,
/*event*/true,
null,
resolveTaskName(),
accessPlc,
!deserializeBinary,
null) : null;

if (getRes != null) {
val = getRes.value();
readVer = getRes.version();
}
}
finally {
cctx.database().checkpointReadUnlock();
}
}
else {
Expand Down
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