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Code Issues Releases Wiki Activity

lazy init DruidDriver LOG

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wenshao
2013-05-01 13:49:33 +08:00
parent 2f457d78f8
commit e50a1738e8
1 changed files with 9 additions and 2 deletions
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src/main/java/com/alibaba/druid/proxy/DruidDriver.java
+9 -2
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@@ -49,7 +49,7 @@ import com.alibaba.druid.util.JdbcUtils;
*/
public class DruidDriver implements Driver, DruidDriverMBean {
private final static Log LOG = LogFactory.getLog(DruidDriver.class);
private static Log LOG; // lazy init
private final static DruidDriver instance = new DruidDriver();
@@ -90,18 +90,25 @@ public class DruidDriver implements Driver, DruidDriverMBean {
mbeanServer.registerMBean(instance, objectName);
}
} catch (Exception ex) {
if (LOG == null) {
LOG = LogFactory.getLog(DruidDriver.class);
}
LOG.error("register druid-driver mbean error", ex);
}
return true;
} catch (Exception e) {
if (LOG == null) {
LOG = LogFactory.getLog(DruidDriver.class);
}
LOG.error("registerDriver error", e);
}
return false;
}
public DruidDriver() {
public DruidDriver(){
}