Cloudera Manager无法启动DataNode，并不断抛出以下异常
Exception in secureMain
java.io.IOException: the path component: '/var' is owned by a user who is not root and not you. Your effective user id is 984; the path is owned by user id 1000, and its permissions are 0755. Please fix this or select a different socket path.
at org.apache.hadoop.net.unix.DomainSocket.validateSocketPathSecurity0(Native Method)
at org.apache.hadoop.net.unix.DomainSocket.bindAndListen(DomainSocket.java:189)
at org.apache.hadoop.hdfs.net.DomainPeerServer.<init>(DomainPeerServer.java:40)
at org.apache.hadoop.hdfs.server.datanode.DataNode.getDomainPeerServer(DataNode.java:1110)
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.<init>(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)
作为试用，我授予了/ var有效的用户所有权，但仍然存在相同的错误