C:\Software\Java\jdk-11.0.8\bin\java.exe “-javaagent:C:\Software\IntelliJ IDEA 2020.2\lib\idea_rt.jar=54464:C:\Software\IntelliJ IDEA 2020.2\bin” -Dfile.encoding=UTF-8 -classpath 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com.imooc.bigdata.HDFSApp
log4j:WARN No appenders could be found for logger (org.apache.hadoop.metrics2.lib.MutableMetricsFactory).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.apache.hadoop.security.authentication.util.KerberosUtil (file:/C:/Users/29005/.m2/repository/org/apache/hadoop/hadoop-auth/2.6.0-cdh5.15.1/hadoop-auth-2.6.0-cdh5.15.1.jar) to method sun.security.krb5.Config.getInstance()
WARNING: Please consider reporting this to the maintainers of org.apache.hadoop.security.authentication.util.KerberosUtil
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Exception in thread “main” org.apache.hadoop.net.ConnectTimeoutException: Call From DESKTOP-LELLQDG/10.150.30.139 to hadoop000:8020 failed on socket timeout exception: org.apache.hadoop.net.ConnectTimeoutException: 20000 millis timeout while waiting for channel to be ready for connect. ch : java.nio.channels.SocketChannel[connection-pending remote=hadoop000/192.168.199.233:8020]; For more details see: http://wiki.apache.org/hadoop/SocketTimeout
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.net.NetUtils.wrapWithMessage(NetUtils.java:791)
at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:750)
at org.apache.hadoop.ipc.Client.call(Client.java:1508)
at org.apache.hadoop.ipc.Client.call(Client.java:1441)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:230)atcom.sun.proxy.$Proxy13.mkdirs(Unknown Source)
at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.mkdirs(ClientNamenodeProtocolTranslatorPB.java:575)
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:258)
at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:104)
at com.sun.proxy.$Proxy14.mkdirs(Unknown Source)
at org.apache.hadoop.hdfs.DFSClient.primitiveMkdir(DFSClient.java:3155)
at org.apache.hadoop.hdfs.DFSClient.mkdirs(DFSClient.java:3122)
at org.apache.hadoop.hdfs.DistributedFileSystem$19.doCall(DistributedFileSystem.java:1005)
at org.apache.hadoop.hdfs.DistributedFileSystem$19.doCall(DistributedFileSystem.java:1001)atorg.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)atorg.apache.hadoop.hdfs.DistributedFileSystem.mkdirsInternal(DistributedFileSystem.java:1001)atorg.apache.hadoop.hdfs.DistributedFileSystem.mkdirs(DistributedFileSystem.java:993)atorg.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:1970)atcom.imooc.bigdata.HDFSApp.main(HDFSApp.java:26)Causedby:org.apache.hadoop.net.ConnectTimeoutException:20000millistimeoutwhilewaitingforchanneltobereadyforconnect.ch:java.nio.channels.SocketChannel[connection-pendingremote=hadoop000/192.168.199.233:8020]atorg.apache.hadoop.net.NetUtils.connect(NetUtils.java:533)atorg.apache.hadoop.net.NetUtils.connect(NetUtils.java:494)atorg.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:648)
at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:744)atorg.apache.hadoop.ipc.Client$Connection.access$3000(Client.java:396)
at org.apache.hadoop.ipc.Client.getConnection(Client.java:1557)
at org.apache.hadoop.ipc.Client.call(Client.java:1480)
… 20 more

Process finished with exit code 1