重写 afterExecute

return new ThreadPoolExecutor(corePoolSize, maximumPoolSize,0L, TimeUnit.MILLISECONDS,new LinkedBlockingQueue
    
     ()){            protected void afterExecute(Runnable r, Throwable t) {                super.afterExecute(r, t);                if (t == null && r instanceof Future
     ) {                    try {                        Object result = ((Future
     ) r).get();                    } catch (CancellationException ce) {                        t = ce;                    } catch (ExecutionException ee) {                        t = ee.getCause();                    } catch (InterruptedException ie) {                        Thread.currentThread().interrupt(); // ignore/reset                    }                }                if (t != null) {                    t.printStackTrace();                }            }        };