查询SDK文档,给出的解释是“UI is not thread-safe”,只能在UI线程中更新控件。 那你是否明白UI为什么设计成非线程安全? 下面这段摘自“Java Swing”一书,给了一个解释,或许也适合Android UI的设计思想。 As we mentioned above, a Swing component draws itself based on the state values in its model. How...
run(ExampleClass.java:25) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Thread...
6、Java: "BigDecimal(double)" should not be used (sonarsource.com) 7、Java Bug: Non-thread-safe fields should not be static (sonarsource.com) 8、Java Bug: "equals" methods should be symmetric and work for subclasses (sonarsource.com) 9、Java Bug: Printf-style format strings should not...
@Documented @Target(value=TYPE) @Retention(value=CLASS) public @interface NotThreadSafe Documenting annotation to indicate a class is not thread-safe and should not be used in a multi-threaded context. See Also: ThreadSafeSkip navigation links Overview Package Class Index Help ...
Everybody cautions regarding Java DateFormat not being thread safe and I understand the concept theoretically. But I'm not able to visualize what actual issues we can face due to this. Say, I've a DateFormat field in a class and the same is used in different methods in the class (forma...
Double-checked locking is not thread-safeID: java/unsafe-double-checked-locking Kind: problem Security severity: Severity: error Precision: high Tags: - reliability - correctness - concurrency - external/cwe/cwe-609 Query suites: - java-security-and-quality.qls ...
SimpleDateFormatin Javavery common and used toformat Date to Stringandparse String into Date in Javabut it can cause very subtle and hard to debug issues if not used carefully because DateFormat and SimpleDateFormat both are not thread-safe and buggy. call to format() and parse() method ...
I have an appliction which use spring statemachine by UmlStateMachineModelFactory, when application running, sometimes cpu to 100%, I found UMLResourceImpl in uml-5.0.0-v20140602-0749.jar, this class use org.eclipse.uml2.common.util.CacheAdapter by singleton which is not thread safe (https:...
java.base/java.util.zip.ZipCoder.normalizedHashDecode(ZipCoder.java:136) This is due JDK-8243469 which changed the UTF-8 ZipCoder code to use a shared CharsetDecoder, which is not legal. Comments jdk15u Fix Request: This resolves a regression introduced in 15.0.0 where multi-threaded operat...
Expected behavior currentHostMaster and factory lead to same master address. Actual behavior MasterListener thread will call function initPool when master change. If mult masterListeners call initPool at the same time with difference par...