CDH 安裝hadoop Datanode啓動失敗

啓動WARN

晚上11點09:05.570分 WARN NativeCodeLoader
Unable to load native-hadoop library for your platform… using builtin-java classes where applicable
晚上11點09:05.892分 WARN EventStorePublisherWithRetry
Failed to publish event: SimpleEvent{attributes={ROLE=[hdfs-DATANODE-bce68475ada2fb16812df6af2f132d50], HOSTS=[node], ROLE_TYPE=[DATANODE], CATEGORY=[LOG_MESSAGE], EVENTCODE=[EV_LOG_EVENT], SERVICE=[hdfs], SERVICE_TYPE=[HDFS], LOG_LEVEL=[WARN], HOST_IDS=[a76db398-9558-4257-90d5-64382e37e023], SEVERITY=[IMPORTANT]}, content=Unable to load native-hadoop library for your platform… using builtin-java classes where applicable, timestamp=1587913745570}

報錯信息

晚上11點09:06.713分 FATAL DataNode
Exception in secureMain
java.lang.RuntimeException: Although a UNIX domain socket path is configured as /var/run/hdfs-sockets/dn, we cannot start a localDataXceiverServer because libhadoop cannot be loaded.
at org.apache.hadoop.hdfs.server.datanode.DataNode.getDomainPeerServer(DataNode.java:1105)
at org.apache.hadoop.hdfs.server.datanode.DataNode.initDataXceiver(DataNode.java:1076)
at org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1301)
at org.apache.hadoop.hdfs.server.datanode.DataNode.(DataNode.java:464)
at org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2582)
at org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2469)
at org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:2516)
at org.apache.hadoop.hdfs.server.datanode.DataNode.secureMain(DataNode.java:2698)
at org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:2722)

遇到這個問題，一定要先檢查版本，然後再去檢查其他問題

[root@node init.d]# uname -a
Linux node 3.10.0-957.el7.x86_64 #1 SMP Thu Nov 8 23:39:32 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
[root@node init.d]# java -version
java version "1.8.0_231"
Java(TM) SE Runtime Environment (build 1.8.0_231-b11)
Java HotSpot(TM) 64-Bit Server VM (build 25.231-b11, mixed mode)
[admin@node native]$ file libhadoop.so.1.0.0
libhadoop.so.1.0.0: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, stripped