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webmvc-adapter: improve set entry in request to avoid ErrorEntryFreeException #1533

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merged 2 commits into from
Aug 19, 2020
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webmvc-adapter: improve set entry in request to avoid ErrorEntryFreeException #1533

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If attribute key already exists in request, don't create entry to avo…
cdfive Jun 8, 2020
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cdfive Aug 3, 2020
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7 changes: 3 additions & 4 deletions ...main/java/com/alibaba/csp/sentinel/adapter/spring/webmvc/AbstractSentinelInterceptor.java
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Original file line number Diff line number Diff line change
Expand Up @@ -61,9 +61,7 @@ public boolean preHandle(HttpServletRequest request, HttpServletResponse respons
String origin = parseOrigin(request);
String contextName = getContextName(request);
ContextUtil.enter(contextName, origin);
Entry entry = SphU.entry(resourceName, ResourceTypeConstants.COMMON_WEB, EntryType.IN);

setEntryInRequest(request, baseWebMvcConfig.getRequestAttributeName(), entry);
setEntryInRequest(request, baseWebMvcConfig.getRequestAttributeName(), resourceName);
}
return true;
} catch (BlockException e) {
Expand Down Expand Up @@ -110,12 +108,13 @@ public void postHandle(HttpServletRequest request, HttpServletResponse response,
ModelAndView modelAndView) throws Exception {
}

protected void setEntryInRequest(HttpServletRequest request, String name, Entry entry) {
protected void setEntryInRequest(HttpServletRequest request, String name, String resourceName) throws BlockException {
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Object attrVal = request.getAttribute(name);
if (attrVal != null) {
RecordLog.warn("[{}] The attribute key '{}' already exists in request, please set `requestAttributeName`",
getClass().getSimpleName(), name);
} else {
Entry entry = SphU.entry(resourceName, ResourceTypeConstants.COMMON_WEB, EntryType.IN);
request.setAttribute(name, entry);
}
}
Expand Down