Captain Debug's Blog

Java tips, observations, bugs and problems from the world of Spring, Weblogic, Oracle, MySQL and many other technologies...

Blogs on Investigating Deadlocks

  1. Creating code that deadlocks.
  2. Obtaining a thread dump.
  3. Analysing a thread dump.
  4. Fixing the deadlocked code with Lock ordering
  5. Fixing the deadlocked code with ReentrantLock and the tryLock(...) Method

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This Month's Popular Posts

  • Accessing Request Parameters using Spring 3 MVC
    One of the neat things you can do in Spring 3 MVC is to map request parameters into specific controller method input arguments. This is done...
  • Maven’s Non-resolvable parent POM Problem
    I recently got an email from Nosheen Javed asking about an exception he was getting on his Maven build. The exception was: [FATAL] Non-res...
  • Autowiring Property Values into Spring Beans
    Most people know that you can use @Autowired to tell Spring to inject one object into another when it loads your application context. A les...
  • Using Spring Profiles in XML Config
    My last blog was very simple as it covered my painless upgrade from Spring 3.0.x to Spring 3.1.x and I finished by mentioning that you can u...
  • Securing your Tomcat app with SSL and Spring Security
    If you've seen my last blog, you'll know that I listed ten things that you can do with Spring Security . However, before you start u...
  • Using the Spring 3 @DateTimeFormat Annotation
    @DateTimeFormat is the complimentary annotation to yesterday’s @NumberFormat and like @NumberFormat it does what it says on the tin and a...
  • Autowiring Using @Value and Optional Properties
    Last October I wrote a blog entitled Autowiring Property Values into Spring Beans describing how to use Spring’s @Value annotation to inje...
  • Exception Handling with the Spring 3.2 @ControllerAdvice Annotation
    A short time ago, I wrote a blog outlining how I upgraded my Spring sample code to version 3.2 and demonstrating a few of the little 'go...
  • Spring 3.1: Caching and EhCache
    If you look around the web for examples of using Spring 3.1’s built in caching then you’ll usually bump into Spring’s SimpleCacheManager , w...
  • Using Spring MVC’s @ModelAttribute Annotation
    The @ModelAttribute annotation is used as part of a Spring MVC web app and can be used in two scenarios. Firstly, it can be used to inject...

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All Time Popular Posts

  • Accessing Request Parameters using Spring 3 MVC
    One of the neat things you can do in Spring 3 MVC is to map request parameters into specific controller method input arguments. This is done...
  • Maven’s Non-resolvable parent POM Problem
    I recently got an email from Nosheen Javed asking about an exception he was getting on his Maven build. The exception was: [FATAL] Non-res...
  • Exception Handling with the Spring 3.2 @ControllerAdvice Annotation
    A short time ago, I wrote a blog outlining how I upgraded my Spring sample code to version 3.2 and demonstrating a few of the little 'go...
  • Using Spring MVC’s @ModelAttribute Annotation
    The @ModelAttribute annotation is used as part of a Spring MVC web app and can be used in two scenarios. Firstly, it can be used to inject...
  • Using Spring Profiles in XML Config
    My last blog was very simple as it covered my painless upgrade from Spring 3.0.x to Spring 3.1.x and I finished by mentioning that you can u...
  • Spring 3 MVC Exception Handlers
    The majority of the Spring 3 error handling sample code that I’ve come across only ever seems to give the simplest overview of its usage, ye...
  • Spring 3.1: Caching and EhCache
    If you look around the web for examples of using Spring 3.1’s built in caching then you’ll usually bump into Spring’s SimpleCacheManager , w...
  • Autowiring Property Values into Spring Beans
    Most people know that you can use @Autowired to tell Spring to inject one object into another when it loads your application context. A les...
  • The Benefits Of Dependency Injection
    Dependency Injection is the way to go, so say the Guys at Spring, and who am I to argue with them, after all it sounds like a sensible idea....
  • Using the Spring 3 @DateTimeFormat Annotation
    @DateTimeFormat is the complimentary annotation to yesterday’s @NumberFormat and like @NumberFormat it does what it says on the tin and a...
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