问题遇到的现象和发生背景
程序死锁，try在同时运行HttpsURLConnection for释放close()和HttpURLConnection for释放close()时线程假死
问题相关代码，请勿粘贴截图
Button button = new Button("\u5F00\u59CB\u8F70\u70B8");
button.addActionListener(new ActionListener() {
private BufferedReader read;
public void actionPerformed(ActionEvent e) {
if(textField.getText().equals("")) {
JOptionPane.showMessageDialog(null,"请输入电话号~","错误",JOptionPane.ERROR_MESSAGE);
}else if(textField_1.getText().equals("")){
JOptionPane.showMessageDialog(null,"请输入提交方式~","错误",JOptionPane.ERROR_MESSAGE);
}else{
JOptionPane.showMessageDialog(null,"Determine whether to start bombing","正确",JOptionPane.INFORMATION_MESSAGE);
if(textField_1.getText().equals("URL")) {
// 确定服务器链接
String link = "http://10.220.173.126:8005/application/index.php?op=1&Submission=GET&mtxt=HonZa.txt";
//这里可以获取加个编辑框获取
int responsecode = 0;
HttpURLConnection urlConnection;
HttpsURLConnection urlConnection1;
BufferedReader reader;
URL url;
int runTimes = 1;
for (int runtime = 0; runtime < runTimes; runtime++) {
try{
url=new URL(link);
//打开URL
urlConnection = (HttpURLConnection)url.openConnection();
//获取服务器响应代码
responsecode=urlConnection.getResponseCode();
String line;
if(responsecode==200){
//得到输入流，即获得了网页的内容
reader=new BufferedReader(new InputStreamReader(urlConnection.getInputStream(),"utf-8"));
// 新建一个容器，容器的长度会随内容的增加而增加，不用担心数组越界的问题
ArrayList al = new ArrayList();
while((line=reader.readLine())!=null){
al.add(line);
}
reader.close();
// 关闭流
String[] str = new String[al.size()];
for (int i = 0; i < str.length; i++) {
str[i] = String.valueOf(al.get(i));
}
StringBuffer sb = new StringBuffer();
for (int i1 = 0;i1<str.length;i1++){
try {
//6.打印输出解码后的字符串
if (str[i1].contains("http://")){
BufferedReader reader1;
try {
String hzur4l=str[i1].replace("[手机号码]", textField.getText());
url=new URL(hzur4l);
//打开URL
urlConnection = (HttpURLConnection)url.openConnection();
//获取服务器响应代码
responsecode=urlConnection.getResponseCode();
String line1;
if(responsecode==200){
//得到输入流，即获得了网页的内容
reader1=new BufferedReader(new InputStreamReader(urlConnection.getInputStream(),"utf-8"));
// 新建一个容器，容器的长度会随内容的增加而增加，不用担心数组越界的问题
while((line1=reader1.readLine())!=null){
textArea.setText(textArea.getText()+hzur4l+"\n接口http访问完毕,返回状态码:"+responsecode+"\n");
}
reader1.close();
}
}catch(Exception e1){
textArea.setText(textArea.getText()+"http访问手机号,出现异常："+e1);
}
}else if(str[i1].contains("https://")){
BufferedReader reader1;
try {
String hzurl=str[i1].replace("[手机号码]", textField.getText());
url=new URL(hzurl);
//打开URL
urlConnection1 = (HttpsURLConnection)url.openConnection();
//获取服务器响应代码
responsecode=urlConnection1.getResponseCode();
String line1;
if(responsecode==200){
//得到输入流，即获得了网页的内容
reader1=new BufferedReader(new InputStreamReader(urlConnection1.getInputStream(),"utf-8"));
// 新建一个容器，容器的长度会随内容的增加而增加，不用担心数组越界的问题
while((line1=reader1.readLine())!=null){
textArea.setText(textArea.getText()+hzurl+"\n接口https访问完毕,返回状态码:"+responsecode+"\n");
}
reader1.close();
}
}catch(Exception e2){
textArea.setText(textArea.getText()+"https访问手机号,出现异常："+e2);
}
}
}catch(Exception e3){
textArea.setText(textArea.getText()+"设置手机号,出现异常："+e3);
}
//重新开始 runTimes++ 达成死循环;
}
}
}catch(Exception e4){
textArea.setText(textArea.getText()+"获取不到网页的源码,出现异常："+e4);
}
}
}else if(textField_1.getText().equals("Web")){
int responsecode = 0;
HttpURLConnection urlConnection;
HttpsURLConnection urlConnection1;
URL url;
int runTimes = 1;
for (int runtime = 0; runtime < runTimes; runtime++) {
try{
String temp;
File f = new File("res/HonZa.txt");
String adn="";
//指定读取编码用于读取中文
read=new BufferedReader(new InputStreamReader(new FileInputStream(f),"utf-8"));
ArrayList al3 = new ArrayList();
BufferedReader reader=new BufferedReader(read);
//bufReader = new BufferedReader(new FileReader(filepath));
while((temp=read.readLine())!=null){
al3.add(temp);
}
read.close();
String[] str1 = new String[al3.size()];
for (int i = 0; i < str1.length; i++) {
str1[i] = String.valueOf(al3.get(i));
}
StringBuffer sb1 = new StringBuffer();
for (int i1 = 0;i1<str1.length;i1++){
try {
//6.打印输出解码后的字符串
if (str1[i1].contains("http://")){
BufferedReader reader1;
try {
String hzurl=str1[i1].replace("[手机号码]", textField.getText());
url=new URL(hzurl);
//打开URL
urlConnection = (HttpURLConnection)url.openConnection();
//获取服务器响应代码
responsecode=urlConnection.getResponseCode();
String line1;
if(responsecode==200){
//得到输入流，即获得了网页的内容
reader1=new BufferedReader(new InputStreamReader(urlConnection.getInputStream(),"utf-8"));
// 新建一个容器，容器的长度会随内容的增加而增加，不用担心数组越界的问题
while((line1=reader1.readLine())!=null){
textArea.setText(textArea.getText()+hzurl+"\n接口http访问完毕,返回状态码:"+responsecode+"\n");
}
reader1.close();
}
}catch(Exception e1){
textArea.setText(textArea.getText()+"http访问手机号,出现异常："+e1);
}
}else if(str1[i1].contains("https://")){
BufferedReader reader2;
try {
String hzurl=str1[i1].replace("[手机号码]", textField.getText());
url=new URL(hzurl);
//打开URL
urlConnection1 = (HttpsURLConnection)url.openConnection();
//获取服务器响应代码
responsecode=urlConnection1.getResponseCode();
String line1;
if(responsecode==200){
//得到输入流，即获得了网页的内容
reader2=new BufferedReader(new InputStreamReader(urlConnection1.getInputStream(),"utf-8"));
System.out.println("url连接成功！\n");
// 新建一个容器，容器的长度会随内容的增加而增加，不用担心数组越界的问题
while((line1=reader2.readLine())!=null){
textArea.setText(textArea.getText()+hzurl+"\n接口https访问完毕,返回状态码:"+responsecode+"\n");
}
reader2.close();
}
}catch(Exception e2){
textArea.setText(textArea.getText()+"https访问手机号,出现异常："+e2);
System.out.println("https访问手机号,出现异常："+e2);
}
}
}catch(Exception e3){
textArea.setText(textArea.getText()+"设置手机号,出现异常："+e3);
System.out.println("设置手机号,出现异常："+e3);
}
}
}catch (Exception e5) {
textArea.setText(textArea.getText()+"设置手机号,出现异常："+e5);
System.out.println(e5);
// TODO: handle exception
}
}
}
}
}
});
运行结果及报错内容
正常运行不会异常报错，但HttpsURLConnection和HttpURLConnectionfor循环全部完成后不会结束循环
Full thread dump OpenJDK 64-Bit Server VM (25.332-b08 mixed mode):
"Keep-Alive-Timer" #28 daemon prio=8 os_prio=1 tid=0x00000000275b0000 nid=0x3974 waiting on condition [0x000000001fd1f000]
java.lang.Thread.State: TIMED_WAITING (sleeping)
at java.lang.Thread.sleep(Native Method)
at sun.net.www.http.KeepAliveCache.run(KeepAliveCache.java:172)
at java.lang.Thread.run(Thread.java:750)
"D3D Screen Updater" #19 daemon prio=7 os_prio=1 tid=0x000000001f3f4800 nid=0x2e18 in Object.wait() [0x000000002921f000]
java.lang.Thread.State: TIMED_WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at sun.java2d.d3d.D3DScreenUpdateManager.run(D3DScreenUpdateManager.java:423)
- locked <0x000000076fa00768> (a java.lang.Object)
at java.lang.Thread.run(Thread.java:750)
"TimerQueue" #17 daemon prio=5 os_prio=0 tid=0x000000001f18a000 nid=0x1614 waiting on condition [0x000000002660f000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x000000076fa18188> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
at java.util.concurrent.DelayQueue.take(DelayQueue.java:211)
at javax.swing.TimerQueue.run(TimerQueue.java:174)
at java.lang.Thread.run(Thread.java:750)
"DestroyJavaVM" #16 prio=5 os_prio=0 tid=0x0000000000435000 nid=0x6df4 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"AWT-EventQueue-0" #15 prio=6 os_prio=0 tid=0x000000001eb80000 nid=0x194c runnable [0x000000001fc1c000]
java.lang.Thread.State: RUNNABLE
at java.net.DualStackPlainSocketImpl.connect0(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
- locked <0x000000076b05d668> (a java.net.DualStackPlainSocketImpl)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:607)
at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:293)
at sun.security.ssl.BaseSSLSocketImpl.connect(BaseSSLSocketImpl.java:173)
at sun.net.NetworkClient.doConnect(NetworkClient.java:180)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
- locked <0x000000076b05d4c8> (a sun.net.www.protocol.https.HttpsClient)
at sun.net.www.protocol.https.HttpsClient.<init>(HttpsClient.java:264)
at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:203)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1162)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1056)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:189)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1572)
- locked <0x000000076b05c9d0> (a sun.net.www.protocol.https.DelegateHttpsURLConnection)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1500)
- locked <0x000000076b05c9d0> (a sun.net.www.protocol.https.DelegateHttpsURLConnection)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:480)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(HttpsURLConnectionImpl.java:352)
at com.gui.iop.SMS_bombing$2.actionPerformed(SMS_bombing.java:339)
at java.awt.Button.processActionEvent(Button.java:409)
at java.awt.Button.processEvent(Button.java:377)
at java.awt.Component.dispatchEventImpl(Component.java:4889)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:760)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:84)
at java.awt.EventQueue$4.run(EventQueue.java:733)
at java.awt.EventQueue$4.run(EventQueue.java:731)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:730)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
"AWT-Windows" #13 daemon prio=6 os_prio=0 tid=0x000000001eb73000 nid=0x2760 runnable [0x000000001f93f000]
java.lang.Thread.State: RUNNABLE
at sun.awt.windows.WToolkit.eventLoop(Native Method)
at sun.awt.windows.WToolkit.run(WToolkit.java:316)
at java.lang.Thread.run(Thread.java:750)
"AWT-Shutdown" #12 prio=5 os_prio=0 tid=0x000000001eb64800 nid=0x6f68 in Object.wait() [0x000000001f83f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x000000076fa103b8> (a java.lang.Object)
at java.lang.Object.wait(Object.java:502)
at sun.awt.AWTAutoShutdown.run(AWTAutoShutdown.java:295)
- locked <0x000000076fa103b8> (a java.lang.Object)
at java.lang.Thread.run(Thread.java:750)
"Java2D Disposer" #11 daemon prio=10 os_prio=2 tid=0x000000001eb64000 nid=0x6f8c in Object.wait() [0x000000001f73f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:144)
- locked <0x000000076fa28178> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:165)
at sun.java2d.Disposer.run(Disposer.java:148)
at java.lang.Thread.run(Thread.java:750)
"Service Thread" #10 daemon prio=9 os_prio=0 tid=0x000000001cbfc800 nid=0x2054 runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C1 CompilerThread3" #9 daemon prio=9 os_prio=2 tid=0x000000001cbfc000 nid=0x44e8 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread2" #8 daemon prio=9 os_prio=2 tid=0x000000001cbfb000 nid=0x2684 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread1" #7 daemon prio=9 os_prio=2 tid=0x000000001cbf0800 nid=0x627c waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread0" #6 daemon prio=9 os_prio=2 tid=0x000000001cbf5000 nid=0x2b88 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Attach Listener" #5 daemon prio=5 os_prio=2 tid=0x000000001cbd3000 nid=0xec4 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Signal Dispatcher" #4 daemon prio=9 os_prio=2 tid=0x000000001cbd0800 nid=0x157c runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Finalizer" #3 daemon prio=8 os_prio=1 tid=0x000000001bf3d000 nid=0x236c in Object.wait() [0x000000001e11f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:144)
- locked <0x000000076fa18388> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:165)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:216)
"Reference Handler" #2 daemon prio=10 os_prio=2 tid=0x000000001cb49000 nid=0x29c4 in Object.wait() [0x000000001e01f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:502)
at java.lang.ref.Reference.tryHandlePending(Reference.java:191)
- locked <0x000000076fa202f0> (a java.lang.ref.Reference$Lock)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:153)
"VM Thread" os_prio=2 tid=0x000000001cb23000 nid=0x4184 runnable
"GC task thread#0 (ParallelGC)" os_prio=0 tid=0x000000000044c800 nid=0x41d0 runnable
"GC task thread#1 (ParallelGC)" os_prio=0 tid=0x000000000044e000 nid=0x19dc runnable
"GC task thread#2 (ParallelGC)" os_prio=0 tid=0x0000000000450000 nid=0x4714 runnable
"GC task thread#3 (ParallelGC)" os_prio=0 tid=0x0000000000451800 nid=0x4c18 runnable
"GC task thread#4 (ParallelGC)" os_prio=0 tid=0x0000000000454000 nid=0x566c runnable
"GC task thread#5 (ParallelGC)" os_prio=0 tid=0x0000000000455800 nid=0x65bc runnable
"GC task thread#6 (ParallelGC)" os_prio=0 tid=0x0000000000459000 nid=0x583c runnable
"GC task thread#7 (ParallelGC)" os_prio=0 tid=0x000000000045a000 nid=0x5cf0 runnable
"VM Periodic Task Thread" os_prio=2 tid=0x000000001cbfe800 nid=0x5bb8 waiting on condition
JNI global references: 383
我的解答思路和尝试过的方法
使用run 主线程进行耗时任务，子线程进行.setText更新
我想要达到的结果
优化try过多自动睡眠和for循环死锁 导致可视化UI和jvm无响应只能在eclipse终止和去除启动
