zenghu1chen opened a new pull request, #230:
URL: https://github.com/apache/commons-pool/pull/230
My project uses jedis component with loom, but there are cases of pinning
and even deadlocks when redis times out. By replacing synchronized with
ReentrantLock in the code, the above situations will be avoided. Below is the
stacktrace when pinning occurs.
```
Thread[#253,ForkJoinPool-1-worker-2,5,CarrierThreads]
java.base/java.lang.VirtualThread$VThreadContinuation.onPinned(VirtualThread.java:180)
java.base/jdk.internal.vm.Continuation.onPinned0(Continuation.java:398)
java.base/jdk.internal.vm.Continuation.yield0(Continuation.java:390)
java.base/jdk.internal.vm.Continuation.yield(Continuation.java:357)
java.base/java.lang.VirtualThread.yieldContinuation(VirtualThread.java:370)
java.base/java.lang.VirtualThread.parkNanos(VirtualThread.java:532)
java.base/java.lang.System$2.parkVirtualThread(System.java:2615)
java.base/jdk.internal.misc.VirtualThreads.park(VirtualThreads.java:67)
java.base/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:408)
java.base/sun.nio.ch.Poller.poll2(Poller.java:137)
java.base/sun.nio.ch.Poller.poll(Poller.java:102)
java.base/sun.nio.ch.Poller.poll(Poller.java:87)
java.base/sun.nio.ch.NioSocketImpl.park(NioSocketImpl.java:175)
java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:275)
java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:299)
java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:340)
java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:789)
java.base/java.net.Socket$SocketInputStream.read(Socket.java:1025)
java.base/java.io.InputStream.read(InputStream.java:217)
redis.clients.util.RedisInputStream.ensureFill(RedisInputStream.java:195)
redis.clients.util.RedisInputStream.readByte(RedisInputStream.java:40)
redis.clients.jedis.Protocol.process(Protocol.java:141)
redis.clients.jedis.Protocol.read(Protocol.java:205)
redis.clients.jedis.Connection.readProtocolWithCheckingBroken(Connection.java:306)
redis.clients.jedis.Connection.getStatusCodeReply(Connection.java:200)
redis.clients.jedis.BinaryJedis.quit(BinaryJedis.java:163)
credis.java.client.pool.impl.CRedisJedisFactory.destroyObject(CRedisJedisFactory.java:57)
org.apache.commons.pool2.impl.GenericObjectPool.destroy(GenericObjectPool.java:886)
org.apache.commons.pool2.impl.GenericObjectPool.invalidateObject(GenericObjectPool.java:634)
<== monitors:1
redis.clients.util.Pool.returnBrokenResourceObject(Pool.java:101)
redis.clients.util.Pool.returnBrokenResource(Pool.java:80)
redis.clients.jedis.Jedis.close(Jedis.java:3359)
...
```
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