我所拥有的:AEM 6.4实例。如果代码中的某处出现RuntimeExcepption错误,则页面返回200 OK状态。 为了解决这个问题,我尝试进行过滤。
@SlingFilter( order = Integer.MIN_VALUE, scope = SlingFilterScope.REQUEST)
public class RuntimeExceptionFilter implements javax.servlet.Filter {
@Override
public final void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
SlingHttpServletResponse slingResponse = (SlingHttpServletResponse) response;
try {
chain.doFilter(request, response);
} catch (RuntimeException ex) {
slingResponse.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
}
}
现在我可以捕获导致RuntimeException的请求,但是slingResponse.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
返回“ java.lang.IllegalStateException:响应已提交”。可能是什么原因呢?还是可以通过其他方法在发生RuntimeException时使页面返回500状态?
Stacktrace:
Caused by: java.lang.IllegalStateException: Response has already been committed
at org.apache.sling.engine.impl.SlingHttpServletResponseImpl.checkCommitted(SlingHttpServletResponseImpl.java:424) [org.apache.sling.engine:2.6.16]
at org.apache.sling.engine.impl.SlingHttpServletResponseImpl.sendError(SlingHttpServletResponseImpl.java:170) [org.apache.sling.engine:2.6.16]
at org.apache.sling.engine.impl.SlingHttpServletResponseImpl.sendError(SlingHttpServletResponseImpl.java:165) [org.apache.sling.engine:2.6.16]
at javax.servlet.http.HttpServletResponseWrapper.sendError(HttpServletResponseWrapper.java:127) [org.apache.felix.http.servlet-api:1.1.2]
at my.project.RuntimeExceptionFilter.doFilter(RuntimeExceptionFilter.java:49)
答案 0 :(得分:0)
正如异常文本所述,响应已在引发异常之前发送。这里讨论了类似的问题:Response has aready been committed
首先尝试找出在什么时候返回了HTTP响应。一旦找到可以解决的方法。
我对AEM内部不是很熟悉(几乎没有使用它的动手经验),但是很可能在某个时候触发了一些包装器(可能会考虑到方面),并返回200的HTTP响应。