java 如何禁用 Tomcat JARScanner
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How to disable Tomcat JARScanner
提问by Gonzalo Gallotti
How:To disable Tomcat JARScanner?
Why:To stop Tomcat scan every .jar in my LIB folder.
如何：禁用 Tomcat JARScanner？
原因：停止 Tomcat 扫描我的 LIB 文件夹中的每个 .jar。
According to documentationit says that it is possible to disable it within context.xml. But it seems to not be working. (May be I am missing something) I made an exhaustive search in forums and could not find the solution.
根据文档，它说可以在 context.xml 中禁用它。但它似乎不起作用。（可能是我遗漏了什么）我在论坛中进行了详尽的搜索，但找不到解决方案。
This is in context.xml (not working yet):
这是在 context.xml （尚未工作）：
<JarScanner scanClassPath="false" scanAllFiles="false" scanAllDirectories="false"></JarScanner>
Thanks in advance.
提前致谢。
回答by Lari Hotari
You should add the JarScanner element as a child of the root Context element in the context.xml file.
您应该在 context.xml 文件中添加 JarScanner 元素作为根 Context 元素的子元素。
I have this kind of META-INF/context.xml file in the war file for disabling the JarScanner:
我在用于禁用 JarScanner 的 war 文件中有这种 META-INF/context.xml 文件：
<?xml version="1.0" encoding="UTF-8"?>
<Context>
<JarScanner scanClassPath="false" scanAllFiles="false" scanAllDirectories="false"/>
</Context>
回答by Black
you can disable the JarScanner globally for user-definted patterns by opeining the file at
您可以通过在以下位置打开文件来全局禁用用户定义的模式的 JarScanner
%TOMCAT_HOME%/conf/catalina.properties
and add a filename pattern to tomcat.util.scan.StandardJarScanFilter.jarsToSkiplist.
For example, if you want to disable jar scanning completely you could add:
并将文件名模式添加到tomcat.util.scan.StandardJarScanFilter.jarsToSkip列表中。例如，如果您想完全禁用 jar 扫描，您可以添加：
tomcat.util.scan.StandardJarScanFilter.jarsToSkip=\
*.jar,\
NOTE: this may of course lead to issues if you're employing JSTL, as templates won't be found by the scanner
注意：如果您使用 JSTL，这当然可能会导致问题，因为扫描仪不会找到模板
