Vivek Ratnavel Subramanian created HDDS-4292:
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Summary: OMFailoverProxyProvider.createOMProxyIfNeeded should
return a new proxy instance for Hadoop < 3.2
Key: HDDS-4292
URL: https://issues.apache.org/jira/browse/HDDS-4292
Project: Hadoop Distributed Data Store
Issue Type: Bug
Components: Ozone Manager
Affects Versions: 1.0.0
Reporter: Vivek Ratnavel Subramanian
Assignee: Bharat Viswanadham
HDDS-3560 created new ProxyInfo object in case of IllegalAccessError exception.
But, it does not return the new instance and causes NPE in Hadoop versions < 3.2
{code:java}
20/09/29 23:10:22 ERROR client.OzoneClientFactory: Couldn't create RpcClient
protocol exception:20/09/29 23:10:22 ERROR client.OzoneClientFactory: Couldn't
create RpcClient protocol exception:java.lang.NullPointerException at
org.apache.hadoop.io.retry.RetryInvocationHandler.isRpcInvocation(RetryInvocationHandler.java:435)
at
org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:354)
at com.sun.proxy.$Proxy10.submitRequest(Unknown Source) at
org.apache.hadoop.ozone.om.protocolPB.Hadoop3OmTransport.submitRequest(Hadoop3OmTransport.java:89)
at
org.apache.hadoop.ozone.om.protocolPB.OzoneManagerProtocolClientSideTranslatorPB.submitRequest(OzoneManagerProtocolClientSideTranslatorPB.java:213)
at
org.apache.hadoop.ozone.om.protocolPB.OzoneManagerProtocolClientSideTranslatorPB.getServiceInfo(OzoneManagerProtocolClientSideTranslatorPB.java:1030)
at org.apache.hadoop.ozone.client.rpc.RpcClient.<init>(RpcClient.java:175) at
org.apache.hadoop.ozone.client.OzoneClientFactory.getClientProtocol(OzoneClientFactory.java:242)
at
org.apache.hadoop.ozone.client.OzoneClientFactory.getRpcClient(OzoneClientFactory.java:113)
at
org.apache.hadoop.fs.ozone.BasicOzoneClientAdapterImpl.<init>(BasicOzoneClientAdapterImpl.java:149)
at
org.apache.hadoop.fs.ozone.OzoneClientAdapterImpl.<init>(OzoneClientAdapterImpl.java:51)
at
org.apache.hadoop.fs.ozone.OzoneFileSystem.createAdapter(OzoneFileSystem.java:94)
at
org.apache.hadoop.fs.ozone.BasicOzoneFileSystem.initialize(BasicOzoneFileSystem.java:161)
at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:3288) at
org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:123) at
org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:3337) at
org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:3305) at
org.apache.hadoop.fs.FileSystem.get(FileSystem.java:476) 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:103) at
org.apache.hadoop.fs.shell.Command.run(Command.java:177) at
org.apache.hadoop.fs.FsShell.run(FsShell.java:326) 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:389)ls: Couldn't create
RpcClient protocol
{code}
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