Question

我尝试在Digital Ocean上的Droplet中安装elasticsearch。

当我执行命令以启动elasticsearch时，

cd /usr/share/elasticsearch/bin
./elasticsearch

我收到此错误：

Exception in thread "main" org.elasticsearch.bootstrap.BootstrapException: java.nio.file.NoSuchFileException: /usr/share/elasticsearch/config
Likely root cause: java.nio.file.NoSuchFileException: /usr/share/elasticsearch/config
    at sun.nio.fs.UnixException.translateToIOException(UnixException.java:86)
    at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102)
    at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107)
    at sun.nio.fs.UnixFileAttributeViews$Basic.readAttributes(UnixFileAttributeViews.java:55)
    at sun.nio.fs.UnixFileSystemProvider.readAttributes(UnixFileSystemProvider.java:144)
    at sun.nio.fs.LinuxFileSystemProvider.readAttributes(LinuxFileSystemProvider.java:99)
    at java.nio.file.Files.readAttributes(Files.java:1737)
    at java.nio.file.FileTreeWalker.getAttributes(FileTreeWalker.java:225)
    at java.nio.file.FileTreeWalker.visit(FileTreeWalker.java:276)
    at java.nio.file.FileTreeWalker.walk(FileTreeWalker.java:322)
    at java.nio.file.Files.walkFileTree(Files.java:2662)
    at org.elasticsearch.common.logging.LogConfigurator.configure(LogConfigurator.java:100)
    at org.elasticsearch.common.logging.LogConfigurator.configure(LogConfigurator.java:83)
    at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:272)
    at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:121)
    at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:112)
    at org.elasticsearch.cli.SettingCommand.execute(SettingCommand.java:54)
    at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:96)
    at org.elasticsearch.cli.Command.main(Command.java:62)
    at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:89)
    at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:82)
Refer to the log for complete error details.

Answer 1

当您通过软件包安装elasticsearch但尝试通过命令行而不是服务运行时，会出现问题。

请改为尝试：

sudo service elasticsearch start

另外，请尝试在#START_DAEMON中将START_DAEMON更改为/etc/default/elasticsearch（如果尚未取消注释），然后重新启动该服务。

如果您绝对必须从命令行运行它，请尝试使用归档分发。

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