モニタロックの待機/通知メカニズムのテスト
48214 ワード
コードを貼った
コードの注釈操作に従って、コンソールの出力は以下のようにして、WaitThreadの変化を観察する.
testWait():
testTimedWait():
1 public class App {
2
3 final static Object lock = new Object();
4
5 public static void main(String[] args) throws InterruptedException {
6 testWait();
7 testTimedWait();
8 }
9
10 /**
11 * NotifyThread，10s dump， WaitThread WAITING ；
12 * "start to notify", 10s dump， WaitThread BLOCKED 。
13 * notify WaitThread， 。
14 *
15 * @throws InterruptedException
16 */
17 private static void testWait() throws InterruptedException {
18 Thread waitThread = new Thread(new Runnable() {
19 public void run() {
20 synchronized (lock) {
21 try {
22 lock.wait();
23 } catch (InterruptedException e) {
24 e.printStackTrace();
25 }
26 }
27 }
28 }, "WaitThread");
29
30 Thread notifyThread = new Thread(new Runnable() {
31 public void run() {
32 synchronized (lock) {
33 System.out.println("enter notify thread");
34 try {
35 Thread.sleep(10000L);
36 } catch (InterruptedException e) {
37 e.printStackTrace();
38 }
39 System.out.println("start to notify");
40 lock.notify();
41 try {
42 Thread.sleep(10000L);
43 } catch (InterruptedException e) {
44 e.printStackTrace();
45 }
46 }
47 }
48 }, "NotifyThread");
49
50 waitThread.start();
51 Thread.sleep(1000L);
52 notifyThread.start();
53 }
54
55 /**
56 * NotifyThread，10s dump， WaitThread WAITING ；
57 * 10s-30s dump， WaitThread BLOCKED 。
58 * WaitThread NotifyThread ， 。
59 * "start to notify" dump，WaitThread BLOCKED.
60 *
61 * @throws InterruptedException
62 */
63 private static void testTimedWait() throws InterruptedException {
64 Thread waitThread = new Thread(new Runnable() {
65 public void run() {
66 synchronized (lock) {
67 try {
68 lock.wait(10000L);
69 } catch (InterruptedException e) {
70 e.printStackTrace();
71 }
72 }
73 }
74 }, "WaitThread");
75
76 Thread notifyThread = new Thread(new Runnable() {
77 public void run() {
78 synchronized (lock) {
79 System.out.println("enter notify thread");
80 try {
81 Thread.sleep(30000L);
82 } catch (InterruptedException e) {
83 e.printStackTrace();
84 }
85 System.out.println("start to notify");
86 lock.notify();
87 try {
88 Thread.sleep(10000L);
89 } catch (InterruptedException e) {
90 e.printStackTrace();
91 }
92 }
93 }
94 }, "NotifyThread");
95
96 waitThread.start();
97 Thread.sleep(1000L);
98 notifyThread.start();
99 }
100 }コードの注釈操作に従って、コンソールの出力は以下のようにして、WaitThreadの変化を観察する.
testWait():
enter notify thread
2018-04-05 17:51:13
Full thread dump Java HotSpot(TM) 64-Bit Server VM (23.7-b01 mixed mode):
"DestroyJavaVM" prio=6 tid=0x000000000262e000 nid=0x2d88 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"NotifyThread" prio=6 tid=0x000000000da27800 nid=0x15dc waiting on condition [0x000000000e92e000]
java.lang.Thread.State: TIMED_WAITING (sleeping)
at java.lang.Thread.sleep(Native Method)
at com.smart.dao.App$2.run(App.java:42)
- locked <0x00000007d6009628> (a java.lang.Object)
at java.lang.Thread.run(Thread.java:722)
"WaitThread" prio=6 tid=0x000000000da3d000 nid=0x2ce0 in Object.wait() [0x000000000e72f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007d6009628> (a java.lang.Object)
at java.lang.Object.wait(Object.java:503)
at com.smart.dao.App$1.run(App.java:28)
- locked <0x00000007d6009628> (a java.lang.Object)
at java.lang.Thread.run(Thread.java:722)
"Service Thread" daemon prio=6 tid=0x000000000da3c000 nid=0x2d2c runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread1" daemon prio=10 tid=0x000000000da3b000 nid=0x2ae0 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread0" daemon prio=10 tid=0x000000000da38000 nid=0xa74 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Monitor Ctrl-Break" daemon prio=6 tid=0x000000000d9ef000 nid=0x2db0 runnable [0x000000000dece000]
java.lang.Thread.State: RUNNABLE
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:150)
at java.net.SocketInputStream.read(SocketInputStream.java:121)
at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:283)
at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:325)
at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:177)
- locked <0x00000007d60cea18> (a java.io.InputStreamReader)
at java.io.InputStreamReader.read(InputStreamReader.java:184)
at java.io.BufferedReader.fill(BufferedReader.java:154)
at java.io.BufferedReader.readLine(BufferedReader.java:317)
- locked <0x00000007d60cea18> (a java.io.InputStreamReader)
at java.io.BufferedReader.readLine(BufferedReader.java:382)
at com.intellij.rt.execution.application.AppMainV2$1.run(AppMainV2.java:64)
"Attach Listener" daemon prio=10 tid=0x000000000bd1e800 nid=0x2950 runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Signal Dispatcher" daemon prio=10 tid=0x000000000bd17800 nid=0x2ff0 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Finalizer" daemon prio=8 tid=0x0000000002848800 nid=0x2d30 in Object.wait() [0x000000000d00e000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007d5eb5798> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:135)
- locked <0x00000007d5eb5798> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:151)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:177)
"Reference Handler" daemon prio=10 tid=0x000000000bc72800 nid=0x29b4 in Object.wait() [0x000000000cf0e000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007d5eb5320> (a java.lang.ref.Reference$Lock)
at java.lang.Object.wait(Object.java:503)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:133)
- locked <0x00000007d5eb5320> (a java.lang.ref.Reference$Lock)
"VM Thread" prio=10 tid=0x000000000bc71800 nid=0x2ea4 runnable
"GC task thread#0 (ParallelGC)" prio=6 tid=0x0000000002795000 nid=0x2de8 runnable
"GC task thread#1 (ParallelGC)" prio=6 tid=0x0000000002797000 nid=0x2d9c runnable
"GC task thread#2 (ParallelGC)" prio=6 tid=0x0000000002798800 nid=0x245c runnable
"GC task thread#3 (ParallelGC)" prio=6 tid=0x000000000279a800 nid=0x2b64 runnable
"VM Periodic Task Thread" prio=10 tid=0x000000000bd5f000 nid=0x29e0 waiting on condition
JNI global references: 135
Heap
PSYoungGen total 37696K, used 3878K [0x00000007d5eb0000, 0x00000007d88c0000, 0x0000000800000000)
eden space 32320K, 12% used [0x00000007d5eb0000,0x00000007d6279bd8,0x00000007d7e40000)
from space 5376K, 0% used [0x00000007d8380000,0x00000007d8380000,0x00000007d88c0000)
to space 5376K, 0% used [0x00000007d7e40000,0x00000007d7e40000,0x00000007d8380000)
ParOldGen total 86144K, used 0K [0x0000000781c00000, 0x0000000787020000, 0x00000007d5eb0000)
object space 86144K, 0% used [0x0000000781c00000,0x0000000781c00000,0x0000000787020000)
PSPermGen total 21248K, used 3277K [0x000000077ca00000, 0x000000077dec0000, 0x0000000781c00000)
object space 21248K, 15% used [0x000000077ca00000,0x000000077cd33480,0x000000077dec0000)
start to notify
2018-04-05 17:51:25
Full thread dump Java HotSpot(TM) 64-Bit Server VM (23.7-b01 mixed mode):
"DestroyJavaVM" prio=6 tid=0x000000000262e000 nid=0x2d88 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"NotifyThread" prio=6 tid=0x000000000da27800 nid=0x15dc waiting on condition [0x000000000e92e000]
java.lang.Thread.State: TIMED_WAITING (sleeping)
at java.lang.Thread.sleep(Native Method)
at com.smart.dao.App$2.run(App.java:49)
- locked <0x00000007d6009628> (a java.lang.Object)
at java.lang.Thread.run(Thread.java:722)
"WaitThread" prio=6 tid=0x000000000da3d000 nid=0x2ce0 in Object.wait() [0x000000000e72f000]
java.lang.Thread.State: BLOCKED (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007d6009628> (a java.lang.Object)
at java.lang.Object.wait(Object.java:503)
at com.smart.dao.App$1.run(App.java:28)
- locked <0x00000007d6009628> (a java.lang.Object)
at java.lang.Thread.run(Thread.java:722)
"Service Thread" daemon prio=6 tid=0x000000000da3c000 nid=0x2d2c runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread1" daemon prio=10 tid=0x000000000da3b000 nid=0x2ae0 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread0" daemon prio=10 tid=0x000000000da38000 nid=0xa74 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Monitor Ctrl-Break" daemon prio=6 tid=0x000000000d9ef000 nid=0x2db0 runnable [0x000000000decf000]
java.lang.Thread.State: RUNNABLE
at com.intellij.rt.execution.application.AppMainV2.triggerControlBreak(Native Method)
at com.intellij.rt.execution.application.AppMainV2.access$000(AppMainV2.java:32)
at com.intellij.rt.execution.application.AppMainV2$1.run(AppMainV2.java:70)
"Attach Listener" daemon prio=10 tid=0x000000000bd1e800 nid=0x2950 runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Signal Dispatcher" daemon prio=10 tid=0x000000000bd17800 nid=0x2ff0 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Finalizer" daemon prio=8 tid=0x0000000002848800 nid=0x2d30 in Object.wait() [0x000000000d00e000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007d5eb5798> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:135)
- locked <0x00000007d5eb5798> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:151)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:177)
"Reference Handler" daemon prio=10 tid=0x000000000bc72800 nid=0x29b4 in Object.wait() [0x000000000cf0e000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007d5eb5320> (a java.lang.ref.Reference$Lock)
at java.lang.Object.wait(Object.java:503)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:133)
- locked <0x00000007d5eb5320> (a java.lang.ref.Reference$Lock)
"VM Thread" prio=10 tid=0x000000000bc71800 nid=0x2ea4 runnable
"GC task thread#0 (ParallelGC)" prio=6 tid=0x0000000002795000 nid=0x2de8 runnable
"GC task thread#1 (ParallelGC)" prio=6 tid=0x0000000002797000 nid=0x2d9c runnable
"GC task thread#2 (ParallelGC)" prio=6 tid=0x0000000002798800 nid=0x245c runnable
"GC task thread#3 (ParallelGC)" prio=6 tid=0x000000000279a800 nid=0x2b64 runnable
"VM Periodic Task Thread" prio=10 tid=0x000000000bd5f000 nid=0x29e0 waiting on condition
JNI global references: 135
Heap
PSYoungGen total 37696K, used 3878K [0x00000007d5eb0000, 0x00000007d88c0000, 0x0000000800000000)
eden space 32320K, 12% used [0x00000007d5eb0000,0x00000007d6279bd8,0x00000007d7e40000)
from space 5376K, 0% used [0x00000007d8380000,0x00000007d8380000,0x00000007d88c0000)
to space 5376K, 0% used [0x00000007d7e40000,0x00000007d7e40000,0x00000007d8380000)
ParOldGen total 86144K, used 0K [0x0000000781c00000, 0x0000000787020000, 0x00000007d5eb0000)
object space 86144K, 0% used [0x0000000781c00000,0x0000000781c00000,0x0000000787020000)
PSPermGen total 21248K, used 3277K [0x000000077ca00000, 0x000000077dec0000, 0x0000000781c00000)
object space 21248K, 15% used [0x000000077ca00000,0x000000077cd33480,0x000000077dec0000)
Process finished with exit code 0testTimedWait():
enter notify thread
2018-04-05 17:56:00
Full thread dump Java HotSpot(TM) 64-Bit Server VM (23.7-b01 mixed mode):
"DestroyJavaVM" prio=6 tid=0x000000000264e000 nid=0x2c80 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"NotifyThread" prio=6 tid=0x000000000dae6800 nid=0x2ee8 waiting on condition [0x000000000e70f000]
java.lang.Thread.State: TIMED_WAITING (sleeping)
at java.lang.Thread.sleep(Native Method)
at com.smart.dao.App$2.run(App.java:41)
- locked <0x00000007d600a1e0> (a java.lang.Object)
at java.lang.Thread.run(Thread.java:722)
"WaitThread" prio=6 tid=0x000000000dc24800 nid=0x2cb4 in Object.wait() [0x000000000e57f000]
java.lang.Thread.State: TIMED_WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007d600a1e0> (a java.lang.Object)
at com.smart.dao.App$1.run(App.java:27)
- locked <0x00000007d600a1e0> (a java.lang.Object)
at java.lang.Thread.run(Thread.java:722)
"Service Thread" daemon prio=6 tid=0x000000000dafc000 nid=0x1568 runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread1" daemon prio=10 tid=0x000000000dafb000 nid=0x2e1c waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread0" daemon prio=10 tid=0x000000000daf8000 nid=0x2d00 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Monitor Ctrl-Break" daemon prio=6 tid=0x000000000daaf000 nid=0x2eec runnable [0x000000000d5bf000]
java.lang.Thread.State: RUNNABLE
at com.intellij.rt.execution.application.AppMainV2.triggerControlBreak(Native Method)
at com.intellij.rt.execution.application.AppMainV2.access$000(AppMainV2.java:32)
at com.intellij.rt.execution.application.AppMainV2$1.run(AppMainV2.java:70)
"Attach Listener" daemon prio=10 tid=0x000000000beee800 nid=0x2c54 runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Signal Dispatcher" daemon prio=10 tid=0x000000000bee7800 nid=0x2fd0 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Finalizer" daemon prio=8 tid=0x0000000002608800 nid=0x2fd8 in Object.wait() [0x000000000d1bf000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007d5eb5798> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:135)
- locked <0x00000007d5eb5798> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:151)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:177)
"Reference Handler" daemon prio=10 tid=0x0000000002601800 nid=0x2e30 in Object.wait() [0x000000000d06f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007d5eb5320> (a java.lang.ref.Reference$Lock)
at java.lang.Object.wait(Object.java:503)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:133)
- locked <0x00000007d5eb5320> (a java.lang.ref.Reference$Lock)
"VM Thread" prio=10 tid=0x000000000be41800 nid=0x2850 runnable
"GC task thread#0 (ParallelGC)" prio=6 tid=0x0000000002555000 nid=0x24c4 runnable
"GC task thread#1 (ParallelGC)" prio=6 tid=0x0000000002557000 nid=0x2d28 runnable
"GC task thread#2 (ParallelGC)" prio=6 tid=0x0000000002558800 nid=0x1a58 runnable
"GC task thread#3 (ParallelGC)" prio=6 tid=0x000000000255a800 nid=0x2eb8 runnable
"VM Periodic Task Thread" prio=10 tid=0x000000000bf2f000 nid=0x2940 waiting on condition
JNI global references: 135
Heap
PSYoungGen total 37696K, used 3878K [0x00000007d5eb0000, 0x00000007d88c0000, 0x0000000800000000)
eden space 32320K, 12% used [0x00000007d5eb0000,0x00000007d6279bd8,0x00000007d7e40000)
from space 5376K, 0% used [0x00000007d8380000,0x00000007d8380000,0x00000007d88c0000)
to space 5376K, 0% used [0x00000007d7e40000,0x00000007d7e40000,0x00000007d8380000)
ParOldGen total 86144K, used 0K [0x0000000781c00000, 0x0000000787020000, 0x00000007d5eb0000)
object space 86144K, 0% used [0x0000000781c00000,0x0000000781c00000,0x0000000787020000)
PSPermGen total 21248K, used 3277K [0x000000077ca00000, 0x000000077dec0000, 0x0000000781c00000)
object space 21248K, 15% used [0x000000077ca00000,0x000000077cd335b0,0x000000077dec0000)
2018-04-05 17:56:18
Full thread dump Java HotSpot(TM) 64-Bit Server VM (23.7-b01 mixed mode):
"DestroyJavaVM" prio=6 tid=0x000000000264e000 nid=0x2c80 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"NotifyThread" prio=6 tid=0x000000000dae6800 nid=0x2ee8 waiting on condition [0x000000000e70f000]
java.lang.Thread.State: TIMED_WAITING (sleeping)
at java.lang.Thread.sleep(Native Method)
at com.smart.dao.App$2.run(App.java:41)
- locked <0x00000007d600a1e0> (a java.lang.Object)
at java.lang.Thread.run(Thread.java:722)
"WaitThread" prio=6 tid=0x000000000dc24800 nid=0x2cb4 waiting for monitor entry [0x000000000e57f000]
java.lang.Thread.State: BLOCKED (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007d600a1e0> (a java.lang.Object)
at com.smart.dao.App$1.run(App.java:27)
- locked <0x00000007d600a1e0> (a java.lang.Object)
at java.lang.Thread.run(Thread.java:722)
"Service Thread" daemon prio=6 tid=0x000000000dafc000 nid=0x1568 runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread1" daemon prio=10 tid=0x000000000dafb000 nid=0x2e1c waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread0" daemon prio=10 tid=0x000000000daf8000 nid=0x2d00 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Monitor Ctrl-Break" daemon prio=6 tid=0x000000000daaf000 nid=0x2eec runnable [0x000000000d5bf000]
java.lang.Thread.State: RUNNABLE
at com.intellij.rt.execution.application.AppMainV2.triggerControlBreak(Native Method)
at com.intellij.rt.execution.application.AppMainV2.access$000(AppMainV2.java:32)
at com.intellij.rt.execution.application.AppMainV2$1.run(AppMainV2.java:70)
"Attach Listener" daemon prio=10 tid=0x000000000beee800 nid=0x2c54 runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Signal Dispatcher" daemon prio=10 tid=0x000000000bee7800 nid=0x2fd0 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Finalizer" daemon prio=8 tid=0x0000000002608800 nid=0x2fd8 in Object.wait() [0x000000000d1bf000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007d5eb5798> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:135)
- locked <0x00000007d5eb5798> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:151)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:177)
"Reference Handler" daemon prio=10 tid=0x0000000002601800 nid=0x2e30 in Object.wait() [0x000000000d06f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007d5eb5320> (a java.lang.ref.Reference$Lock)
at java.lang.Object.wait(Object.java:503)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:133)
- locked <0x00000007d5eb5320> (a java.lang.ref.Reference$Lock)
"VM Thread" prio=10 tid=0x000000000be41800 nid=0x2850 runnable
"GC task thread#0 (ParallelGC)" prio=6 tid=0x0000000002555000 nid=0x24c4 runnable
"GC task thread#1 (ParallelGC)" prio=6 tid=0x0000000002557000 nid=0x2d28 runnable
"GC task thread#2 (ParallelGC)" prio=6 tid=0x0000000002558800 nid=0x1a58 runnable
"GC task thread#3 (ParallelGC)" prio=6 tid=0x000000000255a800 nid=0x2eb8 runnable
"VM Periodic Task Thread" prio=10 tid=0x000000000bf2f000 nid=0x2940 waiting on condition
JNI global references: 135
Heap
PSYoungGen total 37696K, used 3878K [0x00000007d5eb0000, 0x00000007d88c0000, 0x0000000800000000)
eden space 32320K, 12% used [0x00000007d5eb0000,0x00000007d6279bd8,0x00000007d7e40000)
from space 5376K, 0% used [0x00000007d8380000,0x00000007d8380000,0x00000007d88c0000)
to space 5376K, 0% used [0x00000007d7e40000,0x00000007d7e40000,0x00000007d8380000)
ParOldGen total 86144K, used 0K [0x0000000781c00000, 0x0000000787020000, 0x00000007d5eb0000)
object space 86144K, 0% used [0x0000000781c00000,0x0000000781c00000,0x0000000787020000)
PSPermGen total 21248K, used 3277K [0x000000077ca00000, 0x000000077dec0000, 0x0000000781c00000)
object space 21248K, 15% used [0x000000077ca00000,0x000000077cd335b0,0x000000077dec0000)
start to notify
2018-04-05 17:56:32
Full thread dump Java HotSpot(TM) 64-Bit Server VM (23.7-b01 mixed mode):
"DestroyJavaVM" prio=6 tid=0x000000000264e000 nid=0x2c80 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"NotifyThread" prio=6 tid=0x000000000dae6800 nid=0x2ee8 waiting on condition [0x000000000e70f000]
java.lang.Thread.State: TIMED_WAITING (sleeping)
at java.lang.Thread.sleep(Native Method)
at com.smart.dao.App$2.run(App.java:48)
- locked <0x00000007d600a1e0> (a java.lang.Object)
at java.lang.Thread.run(Thread.java:722)
"WaitThread" prio=6 tid=0x000000000dc24800 nid=0x2cb4 waiting for monitor entry [0x000000000e57f000]
java.lang.Thread.State: BLOCKED (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007d600a1e0> (a java.lang.Object)
at com.smart.dao.App$1.run(App.java:27)
- locked <0x00000007d600a1e0> (a java.lang.Object)
at java.lang.Thread.run(Thread.java:722)
"Service Thread" daemon prio=6 tid=0x000000000dafc000 nid=0x1568 runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread1" daemon prio=10 tid=0x000000000dafb000 nid=0x2e1c waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread0" daemon prio=10 tid=0x000000000daf8000 nid=0x2d00 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Monitor Ctrl-Break" daemon prio=6 tid=0x000000000daaf000 nid=0x2eec runnable [0x000000000d5bf000]
java.lang.Thread.State: RUNNABLE
at com.intellij.rt.execution.application.AppMainV2.triggerControlBreak(Native Method)
at com.intellij.rt.execution.application.AppMainV2.access$000(AppMainV2.java:32)
at com.intellij.rt.execution.application.AppMainV2$1.run(AppMainV2.java:70)
"Attach Listener" daemon prio=10 tid=0x000000000beee800 nid=0x2c54 runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Signal Dispatcher" daemon prio=10 tid=0x000000000bee7800 nid=0x2fd0 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Finalizer" daemon prio=8 tid=0x0000000002608800 nid=0x2fd8 in Object.wait() [0x000000000d1bf000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007d5eb5798> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:135)
- locked <0x00000007d5eb5798> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:151)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:177)
"Reference Handler" daemon prio=10 tid=0x0000000002601800 nid=0x2e30 in Object.wait() [0x000000000d06f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000007d5eb5320> (a java.lang.ref.Reference$Lock)
at java.lang.Object.wait(Object.java:503)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:133)
- locked <0x00000007d5eb5320> (a java.lang.ref.Reference$Lock)
"VM Thread" prio=10 tid=0x000000000be41800 nid=0x2850 runnable
"GC task thread#0 (ParallelGC)" prio=6 tid=0x0000000002555000 nid=0x24c4 runnable
"GC task thread#1 (ParallelGC)" prio=6 tid=0x0000000002557000 nid=0x2d28 runnable
"GC task thread#2 (ParallelGC)" prio=6 tid=0x0000000002558800 nid=0x1a58 runnable
"GC task thread#3 (ParallelGC)" prio=6 tid=0x000000000255a800 nid=0x2eb8 runnable
"VM Periodic Task Thread" prio=10 tid=0x000000000bf2f000 nid=0x2940 waiting on condition
JNI global references: 135
Heap
PSYoungGen total 37696K, used 3878K [0x00000007d5eb0000, 0x00000007d88c0000, 0x0000000800000000)
eden space 32320K, 12% used [0x00000007d5eb0000,0x00000007d6279bd8,0x00000007d7e40000)
from space 5376K, 0% used [0x00000007d8380000,0x00000007d8380000,0x00000007d88c0000)
to space 5376K, 0% used [0x00000007d7e40000,0x00000007d7e40000,0x00000007d8380000)
ParOldGen total 86144K, used 0K [0x0000000781c00000, 0x0000000787020000, 0x00000007d5eb0000)
object space 86144K, 0% used [0x0000000781c00000,0x0000000781c00000,0x0000000787020000)
PSPermGen total 21248K, used 3277K [0x000000077ca00000, 0x000000077dec0000, 0x0000000781c00000)
object space 21248K, 15% used [0x000000077ca00000,0x000000077cd335b0,0x000000077dec0000)
Process finished with exit code 0