CODEWITHSUNDEEP
javajvmfinalizerblocked-threads
tom
tom

Reputation: 1

java Finalizer thread blocked

Java's large number of threads are in a blocked state, waiting for a lock, but there is no thread to have this lock

blocked thread

[root@xxx xxx]# grep BLOCKED 11.txt -C5
    at java.lang.ref.Reference.waitForReferencePendingList([email protected]/Native Method)
    at java.lang.ref.Reference.processPendingReferences([email protected]/Reference.java:241)
    at java.lang.ref.Reference$ReferenceHandler.run([email protected]/Reference.java:213)

"Finalizer" #3 daemon prio=8 os_prio=0 cpu=273.67ms elapsed=1139.36s tid=0x00007fabf2c6a000 nid=0x11 waiting for monitor entry  [0x00007fabb19fd000]
   java.lang.Thread.State: BLOCKED (on object monitor)
    at java.lang.ref.Finalizer.runFinalizer([email protected]/Finalizer.java:70)
    - waiting to lock <0x000000048046f6f0> (a java.lang.Object)
    at java.lang.ref.Finalizer$FinalizerThread.run([email protected]/Finalizer.java:171)

"Signal Dispatcher" #4 daemon prio=9 os_prio=0 cpu=1.42ms elapsed=1139.36s tid=0x00007fabf2c6b000 nid=0x12 runnable  [0x0000000000000000]
--
    at java.util.concurrent.LinkedBlockingQueue.take([email protected]/LinkedBlockingQueue.java:433)
    at com.alipay.remoting.ReconnectManager$HealConnectionRunner.run(ReconnectManager.java:144)
    at java.lang.Thread.run([email protected]/Thread.java:835)

"Init-TX-Disruptor-0" #26 prio=5 os_prio=0 cpu=4732.71ms elapsed=1122.35s tid=0x00007fabb40c5800 nid=0x5d waiting for monitor entry  [0x00007fab939ec000]
   java.lang.Thread.State: BLOCKED (on object monitor)
    at java.lang.ref.Finalizer.<init>([email protected]/Finalizer.java:51)
    - waiting to lock <0x000000048046f6f0> (a java.lang.Object)
    at java.lang.ref.Finalizer.register([email protected]/Finalizer.java:66)
    at java.lang.Object.<init>([email protected]/Object.java:50)
    at org.rocksdb.AbstractNativeReference.<init>(AbstractNativeReference.java:25)
--
    at xx.xxxx.xxx.xx.xxxx.xx.xx.onEvent(InitTxWorkHandler.java:24)
    at com.lmax.disruptor.WorkProcessor.run(WorkProcessor.java:143)
    at java.lang.Thread.run([email protected]/Thread.java:835)

"Init-TX-Disruptor-1" #27 prio=5 os_prio=0 cpu=4698.53ms elapsed=1122.35s tid=0x00007faba7b1a000 nid=0x5e waiting for monitor entry  [0x00007fab9236b000]
   java.lang.Thread.State: BLOCKED (on object monitor)
    at java.lang.ref.Finalizer.<init>([email protected]/Finalizer.java:51)
    - waiting to lock <0x000000048046f6f0> (a java.lang.Object)
    at java.lang.ref.Finalizer.register([email protected]/Finalizer.java:66)
    at java.lang.Object.<init>([email protected]/Object.java:50)
    at org.rocksdb.AbstractNativeReference.<init>(AbstractNativeReference.java:25)

grep 0x000000048046f6f0 not found owns the monitor on 0x000000048046f6f0

grep 0x000000048046f6f0

The thread has been blocked for a long time, I want to know why

Upvotes: 0

Views: 969

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