fixed issue #818 , tableMeta tsdb bugfix

deployer/src/main/java/com/alibaba/otter/canal/deployer/CanalController.java

@@ -34,6 +34,7 @@ import com.alibaba.otter.canal.instance.core.CanalInstanceGenerator;
 import com.alibaba.otter.canal.instance.manager.CanalConfigClient;
 import com.alibaba.otter.canal.instance.manager.ManagerCanalInstanceGenerator;
 import com.alibaba.otter.canal.instance.spring.SpringCanalInstanceGenerator;
+import com.alibaba.otter.canal.parse.CanalEventParser;
 import com.alibaba.otter.canal.server.embedded.CanalServerWithEmbedded;
 import com.alibaba.otter.canal.server.exception.CanalServerException;
 import com.alibaba.otter.canal.server.netty.CanalServerWithNetty;
@@ -303,7 +304,7 @@ public class CanalController {
                     return instanceGenerator.generate(destination);
                 } else if (config.getMode().isSpring()) {
                     SpringCanalInstanceGenerator instanceGenerator = new SpringCanalInstanceGenerator();
-                    synchronized (this) {
+                    synchronized (CanalEventParser.class) {
                         try {
                             // 设置当前正在加载的通道，加载spring查找文件时会用到该变量
                             System.setProperty(CanalConstants.CANAL_DESTINATION_PROPERTY, destination);

parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/AbstractMysqlEventParser.java

@@ -7,6 +7,7 @@ import org.slf4j.LoggerFactory;
 
 import com.alibaba.otter.canal.filter.CanalEventFilter;
 import com.alibaba.otter.canal.filter.aviater.AviaterRegexFilter;
+import com.alibaba.otter.canal.parse.CanalEventParser;
 import com.alibaba.otter.canal.parse.driver.mysql.packets.MysqlGTIDSet;
 import com.alibaba.otter.canal.parse.exception.CanalParseException;
 import com.alibaba.otter.canal.parse.inbound.AbstractEventParser;
@@ -91,8 +92,16 @@ public abstract class AbstractMysqlEventParser extends AbstractEventParser {
     public void start() throws CanalParseException {
         if (enableTsdb) {
             if (tableMetaTSDB == null) {
-                // 初始化
-                tableMetaTSDB = TableMetaTSDBBuilder.build(destination, tsdbSpringXml);
+                synchronized (CanalEventParser.class) {
+                    try {
+                        // 设置当前正在加载的通道，加载spring查找文件时会用到该变量
+                        System.setProperty("canal.instance.destination", destination);
+                        // 初始化
+                        tableMetaTSDB = TableMetaTSDBBuilder.build(destination, tsdbSpringXml);
+                    } finally {
+                        System.setProperty("canal.instance.destination", "");
+                    }
+                }
             }
         }