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fixed concurrent set properties NPE

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jianghang.loujh
2023-10-07 21:54:34 +08:00
parent ed754b5203
commit 0f6b9d156a
1 changed files with 4 additions and 9 deletions
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13
parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/AbstractMysqlEventParser.java
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@@ -168,7 +168,7 @@ public abstract class AbstractMysqlEventParser extends AbstractEventParser {
super.stop();
}
protected void buildTableMetaTSDB(String tsdbSpringXml) {
protected synchronized void buildTableMetaTSDB(String tsdbSpringXml) {
if (tableMetaTSDB != null) {
return;
}
@@ -178,12 +178,13 @@ public abstract class AbstractMysqlEventParser extends AbstractEventParser {
System.setProperty("canal.instance.tsdb.url", tsdbJdbcUrl);
System.setProperty("canal.instance.tsdb.dbUsername", tsdbJdbcUserName);
System.setProperty("canal.instance.tsdb.dbPassword", tsdbJdbcPassword);
System.setProperty("canal.instance.destination", destination);
// 初始化
this.tableMetaTSDB = tableMetaTSDBFactory.build(destination, tsdbSpringXml);
} catch (Throwable e) {
logger.warn("failed to build TableMetaTSDB ",e);
throw new CanalParseException(e);
} finally {
// reset
System.setProperty("canal.instance.destination", "");
System.setProperty("canal.instance.tsdb.url", "");
System.setProperty("canal.instance.tsdb.dbUsername", "");
System.setProperty("canal.instance.tsdb.dbPassword", "");
@@ -272,16 +273,10 @@ public abstract class AbstractMysqlEventParser extends AbstractEventParser {
public void setEnableTsdb(boolean enableTsdb) {
this.enableTsdb = enableTsdb;
if (this.enableTsdb) {
buildTableMetaTSDB(tsdbSpringXml);
}
}
public void setTsdbSpringXml(String tsdbSpringXml) {
this.tsdbSpringXml = tsdbSpringXml;
if (this.enableTsdb) {
buildTableMetaTSDB(tsdbSpringXml);
}
}
public void setTableMetaTSDBFactory(TableMetaTSDBFactory tableMetaTSDBFactory) {