DEC-22102 fix:【专题】11.0工程，数据连接管理，INFORMIX数据连接失败，驱动管理上传可以成功

fine-druid/src/main/java/com/fr/third/alibaba/druid/pool/DruidConnectionHolder.java

@@ -136,11 +136,16 @@ public final class DruidConnectionHolder {
                         holdabilityUnsupported = true;
                     }
                     LOG.warn("getHoldability error", e);
+                } catch (AbstractMethodError e){
+                    LOG.warn("getHoldability error", e);
                 }
             }
         }
 
+        try {
             this.underlyingReadOnly = conn.isReadOnly();
+        } catch (Throwable e){
+        }
         try {
             this.underlyingTransactionIsolation = conn.getTransactionIsolation();
         } catch (SQLException e) {