IBM OpenLiberty 开源了，它怎么样？ 2017年9月22日 | Leave a comment 问题： IBM OpenLiberty 开源了，它怎么样？ 解决： openLiberty 才刚出来，资料非常… Read More
Java FutureTask demo 2017年9月18日 | Leave a comment 问题： 解决： //FutureTaskTest.java //javac FutureTaskTest.java && java FutureTaskTest import java.util.concurrent.*; public class FutureTaskTest{ public static void main(String[] argv) throws Exception{ Callable<String> c = ()->{ try{Thread.sleep(1000);}catch(Exception e){} return "hello"; }; FutureTask<String> task = new FutureTask<>(c); new Thread(task).start(); System.out.println("wait for get.."); String ret = task.get(); System.out.println("get() return "+ret); } } ~ 12345678910111213141516171819 //FutureTaskTest.java//javac FutureTaskTest.java && java FutureTaskTest import java.util.concurrent.*; public class FutureTaskTest{ public static void main(String[] argv) throws Exception{ Callable<String> c = ()->{ try{Thread.sleep(1000);}catch(Exception e){} return "hello"; }; FutureTask<String> task = new FutureTask<>(c); new Thread(task).start(); System.out.println("wait for get.."); String ret = task.get(); System.out.println("get() return "+ret); }}~ … Read More
Java Exchanger 基本用法 demo 2017年9月17日 | Leave a comment 问题： 解决： //ExchangerTest.java //javac ExchangerTest.java && java ExchangerTest import java.util.concurrent.*; class ExchangerTest{ public static void main(String[] argv){ Exchanger<String> ex = new Exchanger<>(); Thread t1 = new Thread(()->{ try{ String msg = ex.exchange("T1 welcome"); System.out.println("t1 get msg : "+msg); }catch(Exception e){} }); t1.start(); Thread t2 = new Thread(()->{ try{ Thread.sleep(1000); String msg = ex.exchange("T2 welcome"); System.out.println("t2 get msg : "+msg); }catch(Exception e){} }); t2.start(); } } 1234567891011121314151617181920212223242526 //ExchangerTest.java//javac ExchangerTest.java && java ExchangerTest import java.util.concurrent.*; class ExchangerTest{ public static void main(String[] argv){ Exchanger<String> ex = new Exchanger<>(); Thread t1 = new Thread(()->{ try{ String msg = ex.exchange("T1 welcome"); System.out.println("t1 get msg : "+msg); }catch(Exception e){} }); t1.start(); Thread t2 = new Thread(()->{ try{ Thread.sleep(1000); String msg = ex.exchange("T2 welcome"); System.out.println("t2 get msg : "+msg); }catch(Exception e){} }); t2.start(); }} … Read More
wildfly swarm docker 部署报错 Could not start ‘default’ listener. 2017年9月13日 | Leave a comment 问题： wildfly swarm jar 在本地时好的，但是把jar 部署到docker 运行就报错 Cou… Read More