21 lines
1.4 KiB
Markdown
21 lines
1.4 KiB
Markdown
# Bootstrap class plugins
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All bootstrap plugins are optional, due to unexpected risk. Bootstrap plugins are provided in `bootstrap-plugins` folder.
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For using these plugins, you need to put the target plugin jar file into `/plugins`.
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Now, we have the following known bootstrap plugins.
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* Plugin of JDK HttpURLConnection. Agent is compatible with JDK 1.8+
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* Plugin of JDK Callable and Runnable. Agent is compatible with JDK 1.8+
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* Plugin of JDK ThreadPoolExecutor. Agent is compatible with JDK 1.8+
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### HttpURLConnection Plugin Notice
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The plugin of JDK HttpURLConnection depended on `sun.net.*`. When using Java 9+, You should add some JVM options as follows:
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| Java version | JVM option |
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|--------------|--------------------------------------------------------------------------------|
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| 9-15 |Nothing to do. Because `--illegal-access` default model is permitted. |
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| 16 |Add `--add-exports java.base/sun.net.www=ALL-UNNAMED` or `--illegal-access=permit` |
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| 17+ |Add `--add-exports java.base/sun.net.www=ALL-UNNAMED` |
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For more information
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1. [JEP 403: Strongly Encapsulate JDK Internals](https://openjdk.org/jeps/403)
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2. [A peek into Java 17: Encapsulating the Java runtime internals](https://blogs.oracle.com/javamagazine/post/a-peek-into-java-17-continuing-the-drive-to-encapsulate-the-java-runtime-internals) |