Plugin installation issue, probably related to YAML

Elastic Stack Elasticsearch
1

Good day. The installation of the Elasticsearch's plugin for Zammad should be straightforward. After apt install elasticsearch using Set up Elasticsearch guide, its just

sudo /usr/share/elasticsearch/bin/elasticsearch-plugin install ingest-attachment

And yet, I got this long error instead.

Exception in thread "main" SettingsException[Failed to load settings from [elasticsearch.yml]]; nested: MarkedYAMLException[while scanning a simple key
 in 'reader', line 118, column 1:
    $ zammad run rails r "Setting.se ... 
    ^
could not find expected ':'
 in 'reader', line 120, column 1:
    # Build the search index
    ^

 at [Source: (sun.nio.ch.ChannelInputStream); line: 115, column: 42]]; nested: ScannerException[while scanning a simple key
 in 'reader', line 118, column 1:
    $ zammad run rails r "Setting.se ... 
    ^
could not find expected ':'
 in 'reader', line 120, column 1:
    # Build the search index
    ^
];
	at org.elasticsearch.common.settings.Settings$Builder.loadFromStream(Settings.java:1189)
	at org.elasticsearch.common.settings.Settings$Builder.loadFromPath(Settings.java:1160)
	at org.elasticsearch.node.InternalSettingsPreparer.prepareEnvironment(InternalSettingsPreparer.java:75)
	at org.elasticsearch.cli.EnvironmentAwareCommand.createEnv(EnvironmentAwareCommand.java:91)
	at org.elasticsearch.cli.EnvironmentAwareCommand.createEnv(EnvironmentAwareCommand.java:82)
	at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:77)
	at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:112)
	at org.elasticsearch.cli.MultiCommand.execute(MultiCommand.java:95)
	at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:112)
	at org.elasticsearch.cli.Command.main(Command.java:77)
	at org.elasticsearch.plugins.cli.PluginCli.main(PluginCli.java:36)
Caused by: com.fasterxml.jackson.dataformat.yaml.snakeyaml.error.MarkedYAMLException: while scanning a simple key
 in 'reader', line 118, column 1:
    $ zammad run rails r "Setting.se ... 
    ^
could not find expected ':'
 in 'reader', line 120, column 1:
    # Build the search index
    ^

 at [Source: (sun.nio.ch.ChannelInputStream); line: 115, column: 42]
	at com.fasterxml.jackson.dataformat.yaml.snakeyaml.error.MarkedYAMLException.from(MarkedYAMLException.java:28)
	at com.fasterxml.jackson.dataformat.yaml.YAMLParser.nextToken(YAMLParser.java:422)
	at org.elasticsearch.xcontent.json.JsonXContentParser.nextToken(JsonXContentParser.java:73)
	at org.elasticsearch.common.settings.Settings.fromXContent(Settings.java:706)
	at org.elasticsearch.common.settings.Settings.fromXContent(Settings.java:675)
	at org.elasticsearch.common.settings.Settings.access$400(Settings.java:75)
	at org.elasticsearch.common.settings.Settings$Builder.loadFromStream(Settings.java:1185)
	... 10 more
Caused by: while scanning a simple key
 in 'reader', line 118, column 1:
    $ zammad run rails r "Setting.se ... 
    ^
could not find expected ':'
 in 'reader', line 120, column 1:
    # Build the search index
    ^

	at org.yaml.snakeyaml.scanner.ScannerImpl.stalePossibleSimpleKeys(ScannerImpl.java:527)
	at org.yaml.snakeyaml.scanner.ScannerImpl.needMoreTokens(ScannerImpl.java:332)
	at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:262)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockMappingKey.produce(ParserImpl.java:662)
	at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:185)
	at org.yaml.snakeyaml.parser.ParserImpl.getEvent(ParserImpl.java:195)
	at com.fasterxml.jackson.dataformat.yaml.YAMLParser.nextToken(YAMLParser.java:418)
	... 15 more

I read that since version 8.2.0, errors with YAML parser become an issue. However, there is no error number/label for me to check, and I had yet to find the solution related to my case.

Was I suppose to bring this issue to the GitHub's Elasticsearch, here, or Zammad? Was there a node-YAML apt I'm suppose to install?

Thank in advance for anyone who help.

2

Welcome!

What is your elastic version? Asking because in the recent versions, the ingest attachment plugin is a module (available with the distribution) and not a plugin anymore (which needs to be installed).

3

I believe it is this one by using this command curl -XGET 'http://localhost:9200' 

  "version" : {
    "number" : "7.17.15",
    "build_flavor" : "default",
    "build_type" : "deb",
    "build_hash" : "0b8ecfb4378335f4689c4223d1f1115f16bef3ba",
    "build_date" : "2023-11-10T22:03:46.987399016Z",
    "build_snapshot" : false,
    "lucene_version" : "8.11.1",
    "minimum_wire_compatibility_version" : "6.8.0",
    "minimum_index_compatibility_version" : "6.0.0-beta1"
  },
4

What is your elasticsearch.yml file?

And what is Zammad?

5

Zammad is simply a web based open source helpdesk system.

I got the plugin resolved by rereading the Zammad's setup Elasticsearch. Look like my 2 mistakes were

  1. Since its version 7 and not 8, I was using HTTPS instead of HTTP.
  2. There were added texts that should not be in the yml file, because they are commands. Its the long error code I had initially posted $ zammad..., etc. (I should had realized earlier with the $.)

Thank for trying to help out dadoonet. The problem is solved.

6

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