mirror of
https://github.com/PlaceholderAPI/PlaceholderAPI
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62 lines
4.1 KiB
Markdown
62 lines
4.1 KiB
Markdown
[readme]: https://github.com/PlaceholderAPI/PlaceholderAPI/blob/wiki/README.md
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Here are frequently asked questions about stuff related to PlaceholderAPI.
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## What is an Expansion?
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An expansion (aka PlaceholderExpansion) usualy refers to a separate jar file that is added to PlaceholderAPI's `expansion` folder to add extra placeholders to use in other plugins.
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External PlaceholderExpansions are downloaded from PlaceholderAPI's eCloud through the [[`/papi ecloud download <expansion>`|Commands#papi-ecloud-download]] command.
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Some plugins may provide their PlaceholderExpansion directly without any external jar file being used.
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## It only shows `%placeholder%` and not the variable
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When a plugin or `/papi parse me %placeholder%` only returns the placeholder itself and no value should you check for the following things:
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- ### The expansion is actually installed.
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In many cases is the cause that the expansion of the placeholder is missing.
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Just execute `/papi ecloud download <name of expansion>` followed by `/papi reload` to activate it. You can find a list of Expansions and their Placeholders [[on this page|Placeholders]].
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**NOTE!**
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Not all placeholders come in their own expansion. Some plugins *hardcode* them in and load them on startup, when hooking into PlaceholderAPI.
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- ### Plugin actually supports PlaceholderAPI
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It can happen that the plugin you use to display the placeholder in doesn't support PlaceholderAPI. In such a case check, if the parse command returns the actual value of a placeholder.
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If that is the case while the plugin is still displaying the placeholder, can this be an indicator of the plugin not supporting PlaceholderAPI.
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You can find a list of plugins supporting PlaceholderAPI [[here|Plugins-using-PlaceholderAPI]].
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Just make sure that "Supports placeholders" has a check mark in front of it.
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- ### No typo in the placeholder
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Double-check that the placeholder you set doesn't contain a typo. You can use `/papi ecloud placeholders <expansion>` (replace `<expansion>` with the name of the expansion) to get a list of all the placeholders the expansion may have.
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Keep in mind that this only works for separate expansions on the eCloud and not for those that are loaded by plugins.
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- ### Plugin is enabled
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If an expansion depends on a plugin, make sure you have the plugin installed and that it is enabled (Shows green in `/pl`).
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## I can't download the expansion
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Make sure, that the connection to the cloud (https://api.extendedclip.com) isn't blocked by a firewall or similar.
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Next step would be to check if the expansion actually exists on the cloud. Not all plugins provide their placeholders through a separate jar on the cloud. Some have them build in and register them on startup.
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If both checks failed, go to the cloud-page and download the jar manually. Put it then in the `expansions` folder of PlaceholderAPI (`/plugins/PlaceholderAPI/expansions`)
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## How can other plugins use my placeholders with PlaceholderAPI?
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A tutorial can be found [[here|Hook into PlaceholderAPI]]!
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## Can I help on this wiki?
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You sure can!
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We welcome contributions to our wiki by everyone. If you found a typo or want to improve this wiki in another way, head over to the [Wiki's readme file][readme] to find out about how you can contribute towards this wiki.
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## PlaceholderAPI is posting an error about an outdated expansion?
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```
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[00:00:01 ERROR]: [PlaceholderAPI] Failed to load Expansion class <expansion> (Is a dependency missing?)
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[00:00:01 ERROR]: [PlaceholderAPI] Cause: NoClassDefFoundError <path>
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```
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If you receive the above error, try to do the following steps:
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- Make sure any required dependency of the mentioned expansion (e.g. a plugin) is installed.
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- Make sure you use the latest version supported for the server version you use.
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- If you downloaded the jar from the ecloud, make sure it isn't malformed/corrupted.
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If the issue persists after you've done those checks, report it to the author of the expansion.
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In most cases is the issue that either a dependency is missing or that the expansion tries to use outdated methods from PlaceholderAPI.
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