使用es Restful api创建snapshout库的时候,老是报一下错误:
[WARN ][r.suppressed ] path: /_snapshot/my_hdfs_repo/20161209-snapshot, params: {repository=my_hdfs_repo, snapshot=20161209-snapshot} org.elasticsearch.transport.RemoteTransportException: [node-2][10.90.6.234:9340][cluster:admin/snapshot/create] Caused by: org.elasticsearch.repositories.RepositoryException: [my_hdfs_repo] could not read repository data from index blob ...... Caused by: java.io.IOException: com.google.protobuf.ServiceException: java.security.AccessControlException: access denied ("javax.security.auth.PrivateCredentialPermission" "org.apache.hadoop.security.Credentials" "read") ...... Caused by: org.elasticsearch.common.io.stream.NotSerializableExceptionWrapper: service_exception: java.security.AccessControlException: access denied ("javax.security.auth.PrivateCredentialPermission" "org.apache.hadoop.security.Credentials" "read") ...... Caused by: java.lang.SecurityException: access denied ("javax.security.auth.PrivateCredentialPermission" "org.apache.hadoop.security.Credentials" "read") ......
按照网上的做法,修改es repository-hdfs插件的配置文件,结果还是不行,他们给出的方法修改“/elasticsearch-5.5.0/plugins/repository-hdfs”目录下的“plugin-security.policy”文件:
permission java.lang.RuntimePermission "accessDeclaredMembers"; permission java.lang.RuntimePermission "getClassLoader"; permission java.lang.RuntimePermission "shutdownHooks"; permission java.lang.reflect.ReflectPermission "suppressAccessChecks"; permission javax.security.auth.AuthPermission "doAs"; permission javax.security.auth.AuthPermission "getSubject"; permission javax.security.auth.AuthPermission "modifyPrivateCredentials"; permission java.security.AllPermission; permission java.util.PropertyPermission "*", "read,write"; permission javax.security.auth.PrivateCredentialPermission "org.apache.hadoop.security.Credentials * \"*\"", "read";我在使用“elasticsearch”命令启动es的时候发现,es启动就报了错,报的也是这个错
access denied ("javax.security.auth.PrivateCredentialPermission" "org.apache.hadoop.security.Credentials" "read"java本身的安全控制问题,解决方法
更改java 的安全控制文件 JRE_DIR/lib/security/java.policy
在最后一行加入:permission java.security.AllPermission
以下命令创建镜像库
curl -XPUT 'http://es02:9200/_snapshot/my_hdfs_repo?pretty' -d ' { "type": "hdfs", "settings": { "uri": "hdfs://es01:9000/", "path": "hadoop/respositories/my_hdfs_repo" } }'返回,{"acknowledged" : true},成功