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Certain thread APIs were introduced to facilitate thread suspension, resumption, and termination but were later deprecated due to because of inherent design weaknesses. For example, the Thread.stop() method causes the thread to immediately throw a ThreadDeath exception, which usually stops the thread.

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Invoking {{Thread.stop()}} results in the release of all locks a thread has acquired, potentially exposing the objects protected by those locks when those objects are in an inconsistent state. The thread could catch the {{ThreadDeath}} exception and use a {{finally}} block in an attempt to repair the inconsistent object or objects. However, this requires careful inspection of all synchronized methods and blocks because a {{ThreadDeath}} exception can be thrown at any point during the thread's execution. Furthermore, code must be protected from {{ThreadDeath}} exceptions that could result when executing {{catch}} or {{finally}} blocks \[[Sun 1999|AA. Bibliography#Sun 99]\]. Consequently, use ofprograms must not invoke the {{Thread.stop()}} method is forbidden.

More information about deprecated methods is available in rule MET02-J. Do not use deprecated or obsolete classes or methods. Also, refer to rule ERR09-J. Do not allow untrusted code to terminate the JVM for information on preventing data corruption when the JVM is shut down abruptly.

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[[API 2006

AA. Bibliography#API 06]]

Class Thread, method stop, interface ExecutorService

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[[Sun 1999

AA. Bibliography#Sun 99]]

 

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[[Darwin 2004

AA. Bibliography#Darwin 04]]

24.3 Stopping a Thread

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[[JDK7 2008

AA. Bibliography#JDK7 08]]

Concurrency Utilities, More information: Java Thread Primitive Deprecation

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[[JPL 2006

AA. Bibliography#JPL 06]]

14.12.1. Don't stop and 23.3.3. Shutdown Strategies

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[[JavaThreads 2004

AA. Bibliography#JavaThreads 04]]

2.4 Two Approaches to Stopping a Thread

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[[Goetz 2006

AA. Bibliography#Goetz 06]]

Chapter 7: Cancellation and shutdown

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