我不确定这是jetty的问题还是shiro的问题，但我正在尝试使用Jetty-Maven插件进行开发，我想要的关键功能之一是Jetty在文件更改时的热重新部署。然而，当 jetty 尝试重新加载应用程序时，Shiro 抛出以下异常，我不确定可以采取什么措施来纠正这个问题。
[Scanner-0] ERROR org.apache.shiro.web.servlet.AbstractFilter - Unable to start Filter: [No WebEnvironment found: no EnvironmentLoaderListener registered?].
java.lang.IllegalStateException: No WebEnvironment found: no EnvironmentLoaderListener registered?
at org.apache.shiro.web.util.WebUtils.getRequiredWebEnvironment(WebUtils.java:276)
at org.apache.shiro.web.servlet.ShiroFilter.init(ShiroFilter.java:73)
at org.apache.shiro.web.servlet.AbstractShiroFilter.onFilterConfigSet(AbstractShiroFilter.java:152)
at org.apache.shiro.web.servlet.AbstractFilter.init(AbstractFilter.java:97)
at org.eclipse.jetty.servlet.FilterHolder.doStart(FilterHolder.java:123)
at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
at org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:732)
at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:279)
at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1314)
at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:722)
at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:492)
at org.eclipse.jetty.maven.plugin.JettyWebAppContext.doStart(JettyWebAppContext.java:275)
at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
at org.eclipse.jetty.maven.plugin.JettyRunMojo.restartWebApp(JettyRunMojo.java:527)
at org.eclipse.jetty.maven.plugin.JettyRunMojo$1.filesChanged(JettyRunMojo.java:481)
at org.eclipse.jetty.util.Scanner.reportBulkChanges(Scanner.java:676)
at org.eclipse.jetty.util.Scanner.reportDifferences(Scanner.java:539)
at org.eclipse.jetty.util.Scanner.scan(Scanner.java:391)
at org.eclipse.jetty.util.Scanner$1.run(Scanner.java:329)
at java.util.TimerThread.mainLoop(Timer.java:555)
at java.util.TimerThread.run(Timer.java:505)
我的 web.xml 如下所示：
<?xml version="1.0" ?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
version="2.4">
<!-- SHIRO CONFIGURATION ============================================== -->
<listener>
<listener-class>org.apache.shiro.web.env.EnvironmentLoaderListener</listener-class>
</listener>
<filter>
<filter-name>ShiroFilter</filter-name>
<filter-class>org.apache.shiro.web.servlet.ShiroFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>ShiroFilter</filter-name>
<url-pattern>/*</url-pattern>
<dispatcher>REQUEST</dispatcher>
<dispatcher>FORWARD</dispatcher>
<dispatcher>INCLUDE</dispatcher>
<dispatcher>ERROR</dispatcher>
</filter-mapping>
<!-- DATA SOURCE ====================================================== -->
<resource-ref>
<description>Account Data Source</description>
<res-ref-name>jdbc/AccountDB</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<res-auth>Container</res-auth>
</resource-ref>
</web-app>
最后，这是我的 Maven pom 文件的相关部分：
<build>
<plugins>
<plugin>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-maven-plugin</artifactId>
<version>9.0.0.RC2</version>
<configuration>
<jettyXml>src/jetty/jetty.xml</jettyXml>
<scanIntervalSeconds>1</scanIntervalSeconds>
<webApp>
<contextPath>/</contextPath>
<overrideDescriptor>src/jetty/override-web.xml</overrideDescriptor>
</webApp>
</configuration>
<dependencies>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.24</version>
</dependency>
</dependencies>
</plugin>
</plugins>
编辑：另一条相关信息。我正在 eclipse 中编辑文件，并且正在使用 M2E Maven Integeration for Eclipse 插件。它可能与 eclipse 和/或此插件重新编译文件的方式有关。
None
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