删除 /var/lib/elasticsearch 后 Elasticsearch 服务失败
Elasticsearch service fail after deleting /var/lib/elasticsearch
正如标题所说，我删除了/var/lib/elasticsearch，此后服务拒绝重启
这是日志：
[2020-11-07T01:29:17,855][ERROR][o.e.b.ElasticsearchUncaughtExceptionHandler] [testNode] uncaught exception in thread [main]
org.elasticsearch.bootstrap.StartupException: java.lang.IllegalStateException: Unable to access 'path.data' (/var/lib/elasticsearch)
at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:174) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:161) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:127) ~[elasticsearch-cli-7.9.2.jar:7.9.2]
at org.elasticsearch.cli.Command.main(Command.java:90) ~[elasticsearch-cli-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:126) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:92) ~[elasticsearch-7.9.2.jar:7.9.2]
Caused by: java.lang.IllegalStateException: Unable to access 'path.data' (/var/lib/elasticsearch)
at org.elasticsearch.bootstrap.FilePermissionUtils.addDirectoryPath(FilePermissionUtils.java:70) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Security.addFilePermissions(Security.java:297) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Security.createPermissions(Security.java:252) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Security.configure(Security.java:121) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:222) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:393) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:170) ~[elasticsearch-7.9.2.jar:7.9.2]
... 6 more
Caused by: java.nio.file.AccessDeniedException: /var/lib/elasticsearch
at sun.nio.fs.UnixException.translateToIOException(UnixException.java:90) ~[?:?]
at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:106) ~[?:?]
at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:111) ~[?:?]
at sun.nio.fs.UnixFileSystemProvider.createDirectory(UnixFileSystemProvider.java:388) ~[?:?]
at java.nio.file.Files.createDirectory(Files.java:694) ~[?:?]
at java.nio.file.Files.createAndCheckIsDirectory(Files.java:801) ~[?:?]
at java.nio.file.Files.createDirectories(Files.java:787) ~[?:?]
at org.elasticsearch.bootstrap.Security.ensureDirectoryExists(Security.java:389) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.FilePermissionUtils.addDirectoryPath(FilePermissionUtils.java:68) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Security.addFilePermissions(Security.java:297) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Security.createPermissions(Security.java:252) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Security.configure(Security.java:121) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:222) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:393) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:170) ~[elasticsearch-7.9.2.jar:7.9.2]
它说 Unable to access 'path.data' (/var/lib/elasticsearch) 但那是因为它不再存在了。
有什么想法吗？ Elasticsearch 如此令人沮丧，找到答案更令人沮丧。
您必须使用 elasticsearch 用户权限重新创建路径。
mkdir -p /var/lib/elasticsearch
chown -R elasticsearch:elasticsearch /var/lib/elasticsearch
如果您再次遇到权限问题，请尝试：
chmod -R 755 /var/lib/elasticsearch
正如标题所说，我删除了/var/lib/elasticsearch，此后服务拒绝重启
这是日志：
[2020-11-07T01:29:17,855][ERROR][o.e.b.ElasticsearchUncaughtExceptionHandler] [testNode] uncaught exception in thread [main]
org.elasticsearch.bootstrap.StartupException: java.lang.IllegalStateException: Unable to access 'path.data' (/var/lib/elasticsearch)
at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:174) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:161) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:127) ~[elasticsearch-cli-7.9.2.jar:7.9.2]
at org.elasticsearch.cli.Command.main(Command.java:90) ~[elasticsearch-cli-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:126) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:92) ~[elasticsearch-7.9.2.jar:7.9.2]
Caused by: java.lang.IllegalStateException: Unable to access 'path.data' (/var/lib/elasticsearch)
at org.elasticsearch.bootstrap.FilePermissionUtils.addDirectoryPath(FilePermissionUtils.java:70) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Security.addFilePermissions(Security.java:297) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Security.createPermissions(Security.java:252) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Security.configure(Security.java:121) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:222) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:393) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:170) ~[elasticsearch-7.9.2.jar:7.9.2]
... 6 more
Caused by: java.nio.file.AccessDeniedException: /var/lib/elasticsearch
at sun.nio.fs.UnixException.translateToIOException(UnixException.java:90) ~[?:?]
at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:106) ~[?:?]
at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:111) ~[?:?]
at sun.nio.fs.UnixFileSystemProvider.createDirectory(UnixFileSystemProvider.java:388) ~[?:?]
at java.nio.file.Files.createDirectory(Files.java:694) ~[?:?]
at java.nio.file.Files.createAndCheckIsDirectory(Files.java:801) ~[?:?]
at java.nio.file.Files.createDirectories(Files.java:787) ~[?:?]
at org.elasticsearch.bootstrap.Security.ensureDirectoryExists(Security.java:389) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.FilePermissionUtils.addDirectoryPath(FilePermissionUtils.java:68) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Security.addFilePermissions(Security.java:297) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Security.createPermissions(Security.java:252) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Security.configure(Security.java:121) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:222) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:393) ~[elasticsearch-7.9.2.jar:7.9.2]
at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:170) ~[elasticsearch-7.9.2.jar:7.9.2]
它说 Unable to access 'path.data' (/var/lib/elasticsearch) 但那是因为它不再存在了。
有什么想法吗？ Elasticsearch 如此令人沮丧，找到答案更令人沮丧。
您必须使用 elasticsearch 用户权限重新创建路径。
mkdir -p /var/lib/elasticsearch
chown -R elasticsearch:elasticsearch /var/lib/elasticsearch
如果您再次遇到权限问题，请尝试：
chmod -R 755 /var/lib/elasticsearch