我正在使用urlrewritefilter 4.0.3,总是出现stackoverflow错误。这是我的配置:
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/applicationContext*.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<filter>
<filter-name>UrlRewriteFilter</filter-name>
<filter-class>org.tuckey.web.filters.urlrewrite.UrlRewriteFilter</filter-class>
<init-param>
<param-name>statusEnabled</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>UrlRewriteFilter</filter-name>
<url-pattern>/annotation/*</url-pattern>
<dispatcher>REQUEST</dispatcher>
<dispatcher>FORWARD</dispatcher>
</filter-mapping>
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>*.action</url-pattern>
<dispatcher>REQUEST</dispatcher>
<dispatcher>FORWARD</dispatcher>
<dispatcher>INCLUDE</dispatcher>
</filter-mapping>
这是我的网址重写模式:
<rule>
<note>
Redirect find annotation by object id.
</note>
<from>/annotation/([a-z0-9]+)</from>
<to type="forward">/annotation/getAnnotationByObjectID.action?oid=$1</to>
</rule>
一旦运行它,我总会得到:
javax.servlet.ServletException:筛选器执行引发异常
org.tuckey.web.filters.urlrewrite.NormalRewriteUrl.doRewrite(NormalRewriteUrl.java:213)
org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:171)
org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
...
根本原因
java.lang.StackOverflowError
javax.servlet.ServletRequestWrapper.isAsyncStarted(ServletRequestWrapper.java:403)
javax.servlet.ServletRequestWrapper.isAsyncStarted(ServletRequestWrapper.java:403)
javax.servlet.ServletRequestWrapper.isAsyncStarted(ServletRequestWrapper.java:403)
javax.servlet.ServletRequestWrapper.isAsyncStarted(ServletRequestWrapper.java:403)
我为此感到生气。请如果您知道如何,请帮助我。非常感谢。
最佳答案
<from>
规则中的正则表达式未锚定。显然,规则在URL内寻找任何匹配项,因此,如果未锚定规则(在开头有^
而在结尾有$
),则它们将匹配URL中的所有内容。
结果,您的目标URL /annotation/getAnnotationByObjectID.action?oid=$1
实际上与您的from
规则匹配(/annotation/get
部分确实匹配)。因此,它不断循环运行相同的规则。
解决方案应该是锚定规则:
<from>^/annotation/([a-z0-9]+)$</from>