diff --git a/client-adapter/rdb/src/main/java/com/alibaba/otter/canal/client/adapter/rdb/service/RdbSyncService.java b/client-adapter/rdb/src/main/java/com/alibaba/otter/canal/client/adapter/rdb/service/RdbSyncService.java
index a34bb784c7..350b29e931 100644
--- a/client-adapter/rdb/src/main/java/com/alibaba/otter/canal/client/adapter/rdb/service/RdbSyncService.java
+++ b/client-adapter/rdb/src/main/java/com/alibaba/otter/canal/client/adapter/rdb/service/RdbSyncService.java
@@ -272,7 +272,7 @@ private void insert(BatchExecutor batchExecutor, MappingConfig config, SingleDml
             batchExecutor.execute(insertSql.toString(), values);
         } catch (SQLException e) {
             if (skipDupException
-                && (e.getMessage().contains("Duplicate entry") || e.getMessage().startsWith("ORA-00001: 违反唯一约束条件"))) {
+                && (e.getMessage().contains("Duplicate entry") || e.getMessage().startsWith("ORA-00001:"))) {
                 // ignore
                 // TODO 增加更多关系数据库的主键冲突的错误码
             } else {
diff --git a/instance/manager/src/main/java/com/alibaba/otter/canal/instance/manager/CanalInstanceWithManager.java b/instance/manager/src/main/java/com/alibaba/otter/canal/instance/manager/CanalInstanceWithManager.java
index 43eaaf33b7..49030fc180 100644
--- a/instance/manager/src/main/java/com/alibaba/otter/canal/instance/manager/CanalInstanceWithManager.java
+++ b/instance/manager/src/main/java/com/alibaba/otter/canal/instance/manager/CanalInstanceWithManager.java
@@ -1,6 +1,7 @@
 package com.alibaba.otter.canal.instance.manager;
 
 import java.io.File;
+import java.io.FilenameFilter;
 import java.net.InetSocketAddress;
 import java.net.URL;
 import java.net.URLClassLoader;
@@ -117,7 +118,13 @@ protected void initAlarmHandler() {
         } else {
             try {
                 File externalLibDir = new File(alarmHandlerPluginDir);
-                File[] jarFiles = externalLibDir.listFiles((dir1, name) -> name.endsWith(".jar"));
+                File[] jarFiles = externalLibDir.listFiles(new FilenameFilter() {
+
+                    @Override
+                    public boolean accept(File dir, String name) {
+                        return name.endsWith(".jar");
+                    }
+                });
                 if (jarFiles == null || jarFiles.length == 0) {
                     throw new IllegalStateException(String.format("alarmHandlerPluginDir [%s] can't find any name endswith \".jar\" file.",
                         alarmHandlerPluginDir));
@@ -126,14 +133,16 @@ protected void initAlarmHandler() {
                 for (int i = 0; i < jarFiles.length; i++) {
                     urls[i] = jarFiles[i].toURI().toURL();
                 }
-                ClassLoader currentClassLoader = new URLClassLoader(urls, CanalInstanceWithManager.class.getClassLoader());
-                Class<CanalAlarmHandler> _alarmClass =
-                    (Class<CanalAlarmHandler>)currentClassLoader.loadClass(alarmHandlerClass);
+                ClassLoader currentClassLoader = new URLClassLoader(urls,
+                    CanalInstanceWithManager.class.getClassLoader());
+                Class<CanalAlarmHandler> _alarmClass = (Class<CanalAlarmHandler>) currentClassLoader.loadClass(alarmHandlerClass);
                 alarmHandler = _alarmClass.newInstance();
                 logger.info("init [{}] alarm handler success.", alarmHandlerClass);
             } catch (Throwable e) {
                 String errorMsg = String.format("init alarmHandlerPluginDir [%s] alarm handler [%s] error: %s",
-                    alarmHandlerPluginDir, alarmHandlerClass, ExceptionUtils.getFullStackTrace(e));
+                    alarmHandlerPluginDir,
+                    alarmHandlerClass,
+                    ExceptionUtils.getFullStackTrace(e));
                 logger.error(errorMsg);
                 throw new CanalException(errorMsg, e);
             }
diff --git a/pom.xml b/pom.xml
index 6d05a7ae4d..5f87520922 100644
--- a/pom.xml
+++ b/pom.xml
@@ -253,7 +253,7 @@
             <dependency>
                 <groupId>com.alibaba.fastsql</groupId>
                 <artifactId>fastsql</artifactId>
-                <version>2.0.0_preview_855</version>
+                <version>2.0.0_preview_914</version>
             </dependency>
             <dependency>
                 <groupId>com.alibaba</groupId>