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https://issues.apache.org/jira/browse/HBASE-17453?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15904196#comment-15904196
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Ted Yu commented on HBASE-17453:
--------------------------------
I got the following compilation errors:
{code}
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-compiler-plugin:3.2:testCompile
(default-testCompile) on project hbase-client: Compilation failure: Compilation
failure:
[ERROR]
/Users/tyu/trunk/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestClientNoCluster.java:[507,55]
cannot find symbol
[ERROR] symbol: class PingRequest
[ERROR] location: class
org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos
[ERROR]
/Users/tyu/trunk/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestClientNoCluster.java:[506,24]
cannot find symbol
[ERROR] symbol: class PingResponse
[ERROR] location: class
org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos
[ERROR]
/Users/tyu/trunk/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestClientNoCluster.java:[505,5]
method does not override or implement a method from a supertype
[ERROR]
/Users/tyu/trunk/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestClientNoCluster.java:[509,19]
package PingResponse does not exist
[ERROR]
/Users/tyu/trunk/hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestClientNoCluster.java:[509,43]
cannot find symbol
[ERROR] symbol: variable PingResponse
[ERROR] location: class
org.apache.hadoop.hbase.client.TestClientNoCluster.FakeServer
{code}
Can you double check ?
> add Ping into HBase server for deprecated GetProtocolVersion
> ------------------------------------------------------------
>
> Key: HBASE-17453
> URL: https://issues.apache.org/jira/browse/HBASE-17453
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Affects Versions: 1.2.2
> Reporter: Tianying Chang
> Assignee: Tianying Chang
> Priority: Minor
> Attachments: HBASE-17453-1.2.patch, HBASE-17453-master.patch
>
>
> Our HBase service is hosted in AWS. We saw cases where the connection between
> the client (Asynchbase in our case) and server stop working but did not throw
> any exception, therefore traffic stuck. So we added a "Ping" feature in
> AsyncHBase 1.5 by utilizing the GetProtocolVersion() API provided at RS side,
> if no traffic for given time, we send the "Ping", if no response back for
> "Ping", we assume the connect is bad and reconnect.
> Now we are upgrading cluster from 94 to 1.2. However, GetProtocolVersion() is
> deprecated. To be able to support same detect/reconnect feature, we added
> Ping() in our internal HBase 1.2 branch, and also patched accordingly in
> Asynchbase 1.7.
> We would like to open source this feature since it is useful for use case in
> AWS environment.
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