Comments (5)
mp911de
commented on September 23, 2024
1
the offending thread has this trace:
"lettuce-nioEventLoop-4-2" #80 [146] daemon prio=5 os_prio=0 cpu=17071.84ms elapsed=63349.49s tid=0x000078f8b8051170 nid=146 waiting on condition [0x000078f9b41fd000]
java.lang.Thread.State: WAITING (parking)
at jdk.internal.misc.Unsafe.park([email protected]/Native Method)
- parking to wait for <0x00000000d09834f8> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)
at java.util.concurrent.locks.LockSupport.park([email protected]/LockSupport.java:221)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire([email protected]/AbstractQueuedSynchronizer.java:754)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire([email protected]/AbstractQueuedSynchronizer.java:990)
at java.util.concurrent.locks.ReentrantLock$Sync.lock([email protected]/ReentrantLock.java:153)
at java.util.concurrent.locks.ReentrantLock.lock([email protected]/ReentrantLock.java:322)
at java.lang.ref.ReferenceQueue.poll([email protected]/ReferenceQueue.java:182)
at io.opentelemetry.javaagent.shaded.instrumentation.api.internal.cache.weaklockfree.AbstractWeakConcurrentMap.expungeStaleEntries(AbstractWeakConcurrentMap.java:235)
at io.opentelemetry.javaagent.shaded.instrumentation.api.internal.cache.weaklockfree.WeakConcurrentMap$WithInlinedExpunction.getIfPresent(WeakConcurrentMap.java:193)
at io.opentelemetry.javaagent.shaded.instrumentation.api.internal.cache.WeakLockFreeCache.get(WeakLockFreeCache.java:26)
at io.opentelemetry.javaagent.bootstrap.field.VirtualFieldImpl$java$lang$Runnable$io$opentelemetry$javaagent$bootstrap$executors$PropagatedContext.mapGet(VirtualFieldImplementationsGenerator.java:295)
at io.opentelemetry.javaagent.bootstrap.field.VirtualFieldImpl$java$lang$Runnable$io$opentelemetry$javaagent$bootstrap$executors$PropagatedContext.realGet(VirtualFieldImplementationsGenerator.java)
at io.opentelemetry.javaagent.bootstrap.field.VirtualFieldImpl$java$lang$Runnable$io$opentelemetry$javaagent$bootstrap$executors$PropagatedContext.get(VirtualFieldImplementationsGenerator.java:277)
at io.opentelemetry.javaagent.bootstrap.executors.ExecutorAdviceHelper.attachContextToTask(ExecutorAdviceHelper.java:51)
at java.util.concurrent.ForkJoinPool.execute([email protected]/ForkJoinPool.java:2847)
at java.lang.VirtualThread.submitRunContinuation([email protected]/VirtualThread.java:240)
at java.lang.VirtualThread.unpark([email protected]/VirtualThread.java:734)
at java.lang.System$2.unparkVirtualThread([email protected]/System.java:2660)
at jdk.internal.misc.VirtualThreads.unpark([email protected]/VirtualThreads.java:93)
at java.util.concurrent.locks.LockSupport.unpark([email protected]/LockSupport.java:179)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.signalNext([email protected]/AbstractQueuedSynchronizer.java:645)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.release([email protected]/AbstractQueuedSynchronizer.java:1060)
at java.util.concurrent.locks.ReentrantLock.unlock([email protected]/ReentrantLock.java:494)
at java.lang.ref.ReferenceQueue.poll([email protected]/ReferenceQueue.java:186)
at io.opentelemetry.javaagent.shaded.instrumentation.api.internal.cache.weaklockfree.AbstractWeakConcurrentMap.expungeStaleEntries(AbstractWeakConcurrentMap.java:235)
at io.opentelemetry.javaagent.shaded.instrumentation.api.internal.cache.weaklockfree.WeakConcurrentMap$WithInlinedExpunction.getIfPresent(WeakConcurrentMap.java:193)
at io.opentelemetry.javaagent.shaded.instrumentation.api.internal.cache.WeakLockFreeCache.get(WeakLockFreeCache.java:26)
at io.opentelemetry.javaagent.bootstrap.field.VirtualFieldImpl$java$lang$Runnable$io$opentelemetry$javaagent$bootstrap$executors$PropagatedContext.mapGet(VirtualFieldImplementationsGenerator.java:295)
at io.opentelemetry.javaagent.bootstrap.field.VirtualFieldImpl$java$lang$Runnable$io$opentelemetry$javaagent$bootstrap$executors$PropagatedContext.realGet(VirtualFieldImplementationsGenerator.java)
at io.opentelemetry.javaagent.bootstrap.field.VirtualFieldImpl$java$lang$Runnable$io$opentelemetry$javaagent$bootstrap$executors$PropagatedContext.get(VirtualFieldImplementationsGenerator.java:277)
at io.opentelemetry.javaagent.bootstrap.executors.ExecutorAdviceHelper.attachContextToTask(ExecutorAdviceHelper.java:51)
at java.util.concurrent.ForkJoinPool.execute([email protected]/ForkJoinPool.java:2847)
at java.lang.VirtualThread.submitRunContinuation([email protected]/VirtualThread.java:240)
at java.lang.VirtualThread.unpark([email protected]/VirtualThread.java:734)
at java.lang.System$2.unparkVirtualThread([email protected]/System.java:2660)
at jdk.internal.misc.VirtualThreads.unpark([email protected]/VirtualThreads.java:93)
at java.util.concurrent.locks.LockSupport.unpark([email protected]/LockSupport.java:179)
at java.util.concurrent.CompletableFuture$Signaller.tryFire([email protected]/CompletableFuture.java:1848)
at java.util.concurrent.CompletableFuture.postComplete([email protected]/CompletableFuture.java:510)
at java.util.concurrent.CompletableFuture.complete([email protected]/CompletableFuture.java:2179)
at io.lettuce.core.protocol.AsyncCommand.completeResult(AsyncCommand.java:122)
at io.lettuce.core.protocol.AsyncCommand.complete(AsyncCommand.java:111)
at io.lettuce.core.protocol.CommandWrapper.complete(CommandWrapper.java:63)
at io.lettuce.core.protocol.CommandWrapper.complete(CommandWrapper.java:63)
at io.lettuce.core.protocol.CommandHandler.complete(CommandHandler.java:745)
at io.lettuce.core.protocol.CommandHandler.decode(CommandHandler.java:680)
at io.lettuce.core.protocol.CommandHandler.channelRead(CommandHandler.java:597)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:442)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:788)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:724)
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:650)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.lang.Thread.runWith([email protected]/Thread.java:1596)
at java.lang.Thread.run([email protected]/Thread.java:1583)
Some open telemetry instrumentation blocks the event loop thread so it is out of scope of the driver and out of scope of Spring Data.
Generally, there's some proper tracing support via Micrometer Tracing that doesn't require instrumentation by a Java agent.
from spring-data-redis.
mp911de
commented on September 23, 2024
Please attach a thread dump for further diagnosis.
from spring-data-redis.
KP-EV
commented on September 23, 2024
Thanks for the quick response! :)
from spring-data-redis.
KP-EV
commented on September 23, 2024
thanks for your help, ill take a look
from spring-data-redis.
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