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https://issues.apache.org/jira/browse/HDDS-1072?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16782197#comment-16782197
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Ajay Kumar commented on HDDS-1072:
----------------------------------
this patch breaks almost all robot tests.
{code}java.lang.reflect.InvocationTargetException
at
java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
at
java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at
java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at
java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
at
org.apache.hadoop.ozone.client.OzoneClientFactory.getClientProtocol(OzoneClientFactory.java:291)
at
org.apache.hadoop.ozone.client.OzoneClientFactory.getRpcClient(OzoneClientFactory.java:169)
at
org.apache.hadoop.fs.ozone.OzoneClientAdapterImpl.<init>(OzoneClientAdapterImpl.java:107)
at
org.apache.hadoop.fs.ozone.OzoneFileSystem.initialize(OzoneFileSystem.java:159)
at
org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:3303)
at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:124)
at
org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:3352)
at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:3320)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:479)
at org.apache.hadoop.fs.Path.getFileSystem(Path.java:361)
at org.apache.hadoop.fs.shell.PathData.expandAsGlob(PathData.java:352)
at org.apache.hadoop.fs.shell.Command.expandArgument(Command.java:250)
at org.apache.hadoop.fs.shell.Command.expandArguments(Command.java:233)
at
org.apache.hadoop.fs.shell.FsCommand.processRawArguments(FsCommand.java:104)
at org.apache.hadoop.fs.shell.Command.run(Command.java:177)
at org.apache.hadoop.fs.FsShell.run(FsShell.java:327)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:90)
at org.apache.hadoop.fs.FsShell.main(FsShell.java:390)
Caused by: java.lang.RuntimeException: java.lang.NoSuchFieldException: versionID
at org.apache.hadoop.ipc.RPC.getProtocolVersion(RPC.java:183)
at
org.apache.hadoop.ipc.WritableRpcEngine$Invocation.<init>(WritableRpcEngine.java:114)
at
org.apache.hadoop.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:247)
at com.sun.proxy.$Proxy11.submitRequest(Unknown Source)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at
org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:422)
at
org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeMethod(RetryInvocationHandler.java:165)
at
org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:157)
at
org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:95)
at
org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:359)
at com.sun.proxy.$Proxy11.submitRequest(Unknown Source)
at
org.apache.hadoop.ozone.om.protocolPB.OzoneManagerProtocolClientSideTranslatorPB.submitRequest(OzoneManagerProtocolClientSideTranslatorPB.java:282)
at
org.apache.hadoop.ozone.om.protocolPB.OzoneManagerProtocolClientSideTranslatorPB.getServiceList(OzoneManagerProtocolClientSideTranslatorPB.java:1095)
at
org.apache.hadoop.ozone.client.rpc.RpcClient.getScmAddressForClient(RpcClient.java:217)
at
org.apache.hadoop.ozone.client.rpc.RpcClient.<init>(RpcClient.java:151)
... 23 more
Caused by: java.lang.NoSuchFieldException: versionID
at java.base/java.lang.Class.getField(Class.java:2000)
at org.apache.hadoop.ipc.RPC.getProtocolVersion(RPC.java:179)
... 40 more{code}
> Implement RetryProxy and FailoverProxy for OM client
> ----------------------------------------------------
>
> Key: HDDS-1072
> URL: https://issues.apache.org/jira/browse/HDDS-1072
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Components: Ozone Manager
> Reporter: Hanisha Koneru
> Assignee: Hanisha Koneru
> Priority: Major
> Attachments: HDDS-1072.001.patch, HDDS-1072.002.patch,
> HDDS-1072.003.patch, HDDS-1072.004.patch, HDDS-1072.005.patch,
> HDDS-1072.006.patch
>
>
> RPC Client should implement a retry and failover proxy provider to failover
> between OM Ratis clients. The failover should occur in two scenarios:
> # When the client is unable to connect to the OM (either because of network
> issues or because the OM is down). The client retry proxy provider should
> failover to next OM in the cluster.
> # When OM Ratis Client receives a response from the Ratis server for its
> request, it also gets the LeaderId of server which processed this request
> (the current Leader OM nodeId). This information should be propagated back to
> the client. The Client failover Proxy provider should failover to the leader
> OM node. This helps avoid an extra hop from Follower OM Ratis Client to
> Leader OM Ratis server for every request.
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