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via Stack Overflow by qiaopan Ma
, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at 多线程.ThreadScopeShareData$A.get(ThreadScopeShareData.java:33)	at 多线程.ThreadScopeShareData$1.run(ThreadScopeShareData.java:22)	at java.lang.Thread.run(Thread.java:745)