bug #I668R2 zk，etcd中必须配置chain和script2个节点，只配置其中chain会报错

liteflow-rule-plugin/liteflow-rule-apollo/src/main/java/com/yomahub/liteflow/parser/apollo/util/ApolloParseHelper.java

@@ -135,12 +135,8 @@ public class ApolloParseHelper {
 					}
 				}));
 
-		// script
-		if (Objects.isNull(scriptConfig)) {
-			// no script config
-			return;
-		}
-		scriptConfig.addChangeListener(changeEvent ->
+		if (StrUtil.isNotBlank(apolloParserConfigVO.getScriptNamespace())){
+			scriptConfig.addChangeListener(changeEvent ->
 				changeEvent.changedKeys().forEach(changeKey -> {
 					ConfigChange configChange = changeEvent.getChange(changeKey);
 					String newValue = configChange.getNewValue();
@@ -165,11 +161,11 @@ public class ApolloParseHelper {
 							nodeSimpleVO = convert(changeKey, null);
 							FlowBus.getNodeMap().remove(nodeSimpleVO.getNodeId());
 					}
-				}));
-
+				})
+			);
+		}
 	}
 
-
 	private NodeSimpleVO convert(String key, String value) {
 		//不需要去理解这串正则，就是一个匹配冒号的
 		//一定得是a:b，或是a:b:c...这种完整类型的字符串的

liteflow-rule-plugin/liteflow-rule-etcd/src/main/java/com/yomahub/liteflow/parser/etcd/util/EtcdParserHelper.java

@@ -153,23 +153,26 @@ public class EtcdParserHelper {
 					FlowBus.removeChain(chainName);
 				}
 		);
-		this.client.watchChildChange(this.etcdParserVO.getScriptPath(),
-				(updatePath, updateValue) -> {
-					LOG.info("starting reload flow config... update path={} value={}", updatePath, updateValue);
-					String scriptNodeValue = FileNameUtil.getName(updatePath);
-					NodeSimpleVO nodeSimpleVO = convert(scriptNodeValue);
-					LiteFlowNodeBuilder.createScriptNode().setId(nodeSimpleVO.getNodeId())
-							.setType(NodeTypeEnum.getEnumByCode(nodeSimpleVO.type))
-							.setName(nodeSimpleVO.getName())
-							.setScript(updateValue).build();
-				},
-				(deletePath) -> {
-					LOG.info("starting reload flow config... delete path={}", deletePath);
-					String scriptNodeValue = FileNameUtil.getName(deletePath);
-					NodeSimpleVO nodeSimpleVO = convert(scriptNodeValue);
-					FlowBus.getNodeMap().remove(nodeSimpleVO.getNodeId());
-				}
-		);
+
+		if (StrUtil.isNotBlank(this.etcdParserVO.getScriptPath())){
+			this.client.watchChildChange(this.etcdParserVO.getScriptPath(),
+					(updatePath, updateValue) -> {
+						LOG.info("starting reload flow config... update path={} value={}", updatePath, updateValue);
+						String scriptNodeValue = FileNameUtil.getName(updatePath);
+						NodeSimpleVO nodeSimpleVO = convert(scriptNodeValue);
+						LiteFlowNodeBuilder.createScriptNode().setId(nodeSimpleVO.getNodeId())
+								.setType(NodeTypeEnum.getEnumByCode(nodeSimpleVO.type))
+								.setName(nodeSimpleVO.getName())
+								.setScript(updateValue).build();
+					},
+					(deletePath) -> {
+						LOG.info("starting reload flow config... delete path={}", deletePath);
+						String scriptNodeValue = FileNameUtil.getName(deletePath);
+						NodeSimpleVO nodeSimpleVO = convert(scriptNodeValue);
+						FlowBus.getNodeMap().remove(nodeSimpleVO.getNodeId());
+					}
+			);
+		}
 	}
 
 	public NodeSimpleVO convert(String str){

liteflow-rule-plugin/liteflow-rule-zk/src/main/java/com/yomahub/liteflow/parser/zk/util/ZkParserHelper.java

@@ -153,30 +153,32 @@ public class ZkParserHelper {
 			}
 		});
 
-		//监听script
-		CuratorCache cache2 = CuratorCache.build(client, zkParserVO.getScriptPath());
-		cache2.start();
-		cache2.listenable().addListener((type, oldData, data) -> {
-			String path = data.getPath();
-			String value = new String(data.getData());
-			if (StrUtil.isBlank(value)){
-				return;
-			}
-			if (ListUtil.toList(CuratorCacheListener.Type.NODE_CREATED, CuratorCacheListener.Type.NODE_CHANGED).contains(type)){
-				LOG.info("starting reload flow config... {} path={} value={},", type.name(), path, value);
-				String scriptNodeValue = FileNameUtil.getName(path);
-				NodeSimpleVO nodeSimpleVO = convert(scriptNodeValue);
-				LiteFlowNodeBuilder.createScriptNode().setId(nodeSimpleVO.getNodeId())
-						.setType(NodeTypeEnum.getEnumByCode(nodeSimpleVO.type))
-						.setName(nodeSimpleVO.getName())
-						.setScript(value).build();
-			} else if (CuratorCacheListener.Type.NODE_DELETED.equals(type)) {
-				LOG.info("starting reload flow config... delete path={}", path);
-				String scriptNodeValue = FileNameUtil.getName(path);
-				NodeSimpleVO nodeSimpleVO = convert(scriptNodeValue);
-				FlowBus.getNodeMap().remove(nodeSimpleVO.getNodeId());
-			}
-		});
+		if (StrUtil.isNotBlank(zkParserVO.getScriptPath())){
+			//监听script
+			CuratorCache cache2 = CuratorCache.build(client, zkParserVO.getScriptPath());
+			cache2.start();
+			cache2.listenable().addListener((type, oldData, data) -> {
+				String path = data.getPath();
+				String value = new String(data.getData());
+				if (StrUtil.isBlank(value)){
+					return;
+				}
+				if (ListUtil.toList(CuratorCacheListener.Type.NODE_CREATED, CuratorCacheListener.Type.NODE_CHANGED).contains(type)){
+					LOG.info("starting reload flow config... {} path={} value={},", type.name(), path, value);
+					String scriptNodeValue = FileNameUtil.getName(path);
+					NodeSimpleVO nodeSimpleVO = convert(scriptNodeValue);
+					LiteFlowNodeBuilder.createScriptNode().setId(nodeSimpleVO.getNodeId())
+							.setType(NodeTypeEnum.getEnumByCode(nodeSimpleVO.type))
+							.setName(nodeSimpleVO.getName())
+							.setScript(value).build();
+				} else if (CuratorCacheListener.Type.NODE_DELETED.equals(type)) {
+					LOG.info("starting reload flow config... delete path={}", path);
+					String scriptNodeValue = FileNameUtil.getName(path);
+					NodeSimpleVO nodeSimpleVO = convert(scriptNodeValue);
+					FlowBus.getNodeMap().remove(nodeSimpleVO.getNodeId());
+				}
+			});
+		}
 	}
 
 	public NodeSimpleVO convert(String str){