[incubator-servicecomb-website] 01/02: Clean up the demo code of healthcheck

[ningjiang]

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ningjiang pushed a commit to branch master
in repository 
https://gitbox.apache.org/repos/asf/incubator-servicecomb-website.git

commit c0eaa464dd4456637cdf74741a75d849b8b03aae
Author: Willem Jiang <jiangni...@huawei.com>
AuthorDate: Thu May 24 14:06:56 2018 +0800

    Clean up the demo code of healthcheck
---
 _users/cn/healthcheck.md | 6 +++---
 _users/healthcheck.md    | 8 ++++----
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/_users/cn/healthcheck.md b/_users/cn/healthcheck.md
index 6eab081..1ad322f 100644
--- a/_users/cn/healthcheck.md
+++ b/_users/cn/healthcheck.md
@@ -44,14 +44,14 @@ public class MySqlHealthChecker implements HealthChecker {
       connection = 
DriverManager.getConnection("jdbc:mysql://localhost:3306/test_db?useSSL=false", 
"root", "pwd");
       return new HealthCheckResult(true, "local mysql health check", "");
     } catch (SQLException e) {
-      e.printStackTrace();
+      LOG.error("Cannot connect the localhost mysql. ", e);
       return new HealthCheckResult(false, "local mysql health check", 
e.toString());
     } finally {
       if (connection != null) {
         try {
           connection.close();
         } catch (SQLException e) {
-          e.printStackTrace();
+          LOG.error("Close connect the localhost mysql error. ", e);
         }
       }
     }
@@ -81,4 +81,4 @@ servicecomb:
 >2. 
 >/health为所有HealthCheck的最终结果，true或false，只要有任何一个HealthCheck的healthy结果为false，那么就会是false。
 
 ## 参考示例
-我们已经提供了一个例子作为参考，代码在samples/metrics-extend-healthcheck中。
\ No newline at end of file
+我们已经提供了一个例子作为参考，代码在samples/metrics-extend-healthcheck中。
diff --git a/_users/healthcheck.md b/_users/healthcheck.md
index ae25499..54f8548 100644
--- a/_users/healthcheck.md
+++ b/_users/healthcheck.md
@@ -44,14 +44,14 @@ public class MySqlHealthChecker implements HealthChecker {
       connection = 
DriverManager.getConnection("jdbc:mysql://localhost:3306/test_db?useSSL=false", 
"root", "pwd");
       return new HealthCheckResult(true, "local mysql health check", "");
     } catch (SQLException e) {
-      e.printStackTrace();
+      LOG.error("Cannot connect the localhost mysql. ", e);
       return new HealthCheckResult(false, "local mysql health check", 
e.toString());
     } finally {
       if (connection != null) {
         try {
           connection.close();
         } catch (SQLException e) {
-          e.printStackTrace();
+          LOG.error("Close connect the localhost mysql error. ", e);
         }
       }
     }
@@ -80,5 +80,5 @@ We can get HealthCheck final result by accress 
http://localhost:8080/health , al
 >1. The implementation of Rest publish is in metrics-core, so need import this 
 >dependency;
 >2. The result of /health is the final result of all HealthCheckers, true or 
 >false, if healthy result of any HealthChecker return false, then this value 
 >will false.
 
-## Other Reference 
-We had provided a sample at samples/metrics-extend-healthcheck.
\ No newline at end of file
+## Other Reference
+We had provided a sample at samples/metrics-extend-healthcheck.

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