What is a thread leak? What does it mean in Java?

Ans:Thread leak is when a application does not release references to a thread object properly. Due to this some Threads do not get garbage collected and the number of unused threads grow with time. Thread leak can often cause serious issues on a Java application since over a period of time too many threads will be created but not released and may cause applications to respond slow or hang.

Q:How can I trace whether the application has a thread leak?
Ans:If an application has thread leak then with time it will have too many unused threads. Try to find out what type of threads is leaking out. This can be done using following ways:
  • Give unique and descriptive names to the threads created in application. - Add log entry in all thread at various entry and exit points in threads.
  • Change debugging config levels (debug, info, error etc) and analyze log messages.
  • When you find the class that is leaking out threads check how new threads are instantiated and how they're closed.
  • Make sure the thread is Guaranteed to close properly by doing following - Handling all Exceptions properly.
  • Make sure the thread is Guaranteed to close properly by doing following
-Handling all Exceptions properly.
-releasing all resources (e.g. connections, files etc) before it closes.

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Cũng may là Đàm Đàm tăng lên rất nhanh, không ngờ lại ngang ngửa với thiên tài được gia tộc dùng vô số linh dược bồi dưỡng như Tạ Đan Phượng. Lúc mới bắt đầu còn bị thua thiệt. Nhưng sau mấy lần đánh là có thể tấn công có thể phòng thủ. Đánh thêm ba ngày nữa không ngờ Đàm Đàm lại hoàn toàn chiếm thế thượng phong. . .

Hơn nữa Đàm Đàm còn có một chỗ tốt, cũng có thể coi là ưu điểm. Sau khi thấy được điếm này, Mạnh Siêu Nhiên mới phát hiện mình luôn luôn đánh giá thấp người đệ tử này của mình Tên này không biết thương hương tiếc ngọc một chút nào!

Điểm này khiến cho người làm sư phụ như Mạnh Siêu Nhiên vừa lo lắng lại vừa thưởng thức.

Cho nên dọc theo con đường này, thường xuyên thấy Đàm Đàm rất long tình hô mãnh, đem Tạ Đan Phượng ném đi trên mặt đất ngồi trên người nàng đánh một trận mãnh liệt. Trừ không đánh mặt ra, những địa phượng khác không kiêng kỵ gì!

Ngực, mông. . . bắt được chỗ nào đánh chỗ đó!

Oành oành oành giống như đánh bao cát mà còn sướng hơn!

Oh that's really interesting, thanks! Also, if you're into software development go ahead and check out this website - loads of useful stuff there!

Amazing post . This blog is very informative blog for me

very detailed article. Thanks for your efforts in putting so much information.Java Thread Dump Analyzer,fastThread ,a universal tool that will parse and analyze thread dumps written in any language that runs on the JVM. It will convert your Java, Scala, Jython, JRuby thread dumps to useful information for root cause analysis (RCA).

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