class Resource implements Runnable{
private String lockA;
private String lockB;
public Resource(String lockA, String lockB) {
this.lockA = lockA;
this.lockB = lockB;
}
@Override
public void run() {
synchronized (lockA) {
System.out.println(Thread.currentThread().getName() + "获取了锁"+lockA+ "尝试获得锁B"+lockB);
synchronized (lockB) {
}
}
}
}
public class DeadLock {
public static void main(String[] args) {
new Thread(new Resource("lockA","lockB"),"AAA").start();
new Thread(new Resource("lockB","lockA"),"BBB").start();
}
}
解決
1. jps -lコマンドは、プロセス番号(jpsはLinuxのpsに相当)を見つけて、独自のパッケージ名を見つけます
2.jstack +プロセス番号(9632)