Merge pull request #457 from J1031/bugfix/transaction_is_null

648540858

2022-04-28 a53fe7761f4ab226265d51935dad71d41e9bceff

 src/main/java/com/genersoft/iot/vmp/gb28181/session/SsrcConfig.java

@@ -81,7 +81,6 @@
            isUsed.remove(sn);
            notUsed.add(sn);
        }catch (NullPointerException e){
            System.out.printf("11111");
        }
    }