set interrupt flag

Author: Oliverwqcwrw

src/main/java/org/apache/ibatis/datasource/pooled/PooledDataSource.java

@@ -479,6 +479,8 @@ private PooledConnection popConnection(String username, String password) throws
                 state.wait(poolTimeToWait);
                 state.accumulatedWaitTime += System.currentTimeMillis() - wt;
               } catch (InterruptedException e) {
+                // set interrupt flag
+                Thread.currentThread().interrupt();
                 break;
               }
             }