mzh created HADOOP-16171:
----------------------------
Summary: deploy hadoop3.1.2 and runtime raise a Error, i dont know
why
Key: HADOOP-16171
URL: https://issues.apache.org/jira/browse/HADOOP-16171
Project: Hadoop Common
Issue Type: Bug
Components: fs
Affects Versions: 3.1.2
Reporter: mzh
public static void main(String[] args) throws IOException {
FileSystem fileSystem = FileSystem.get(new Configuration());
fileSystem.copyToLocalFile(new Path("hdfs://centos:9000/hadoop3.1.2"),
new Path("jarsss"));
}
This is very simple demo. but tell me a ClassCastException
Exception in thread "main" java.lang.ClassCastException:
org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$GetFileInfoRequestProto
cannot be cast to com.google.protobuf.Message
at
org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:225)
at
org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:116)
at com.sun.proxy.$Proxy9.getFileInfo(Unknown Source)
at
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:903)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
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$Call.invokeOnce(RetryInvocationHandler.java:95)
at
org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:359)
at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:1665)
at
org.apache.hadoop.hdfs.DistributedFileSystem$29.doCall(DistributedFileSystem.java:1582)
at
org.apache.hadoop.hdfs.DistributedFileSystem$29.doCall(DistributedFileSystem.java:1579)
at
org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
at
org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1594)
at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:386)
at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:337)
at org.apache.hadoop.fs.FileSystem.copyToLocalFile(FileSystem.java:2434)
at org.apache.hadoop.fs.FileSystem.copyToLocalFile(FileSystem.java:2403)
at org.apache.hadoop.fs.FileSystem.copyToLocalFile(FileSystem.java:2379)
at zhcn.mzh.hadoop.Main.main(Main.java:14)
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