[logback-dev] [JIRA] (LOGBACK-1527) TeeFilter prints stack traces of uncaught exceptions to the standard erorr stream

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Gediminas Rimsa commented on LOGBACK-1527   Re: TeeFilter prints stack traces of uncaught exceptions to the standard erorr stream Workaround (Spring config; uses `org.springframework.web.filter.CompositeFilter`): @Bean public FilterRegistrationBean<CompositeFilter> requestResponseLoggingFilter() { CompositeFilter compositeFilter = new CompositeFilter(); compositeFilter.setFilters(List.of( new SneakingPastTeeFilterException.UnwrappingFilter(), new TeeFilter(), new SneakingPastTeeFilterException.WrappingFilter() )); FilterRegistrationBean<CompositeFilter> filterRegBean = new FilterRegistrationBean<>(compositeFilter); filterRegBean.setName("Logback access-logging request response filter"); filterRegBean.setOrder(OrderedFilter.REQUEST_WRAPPER_FILTER_MAX_ORDER); return filterRegBean; } /** * Workaround for TeeFilter printing stack trace of unchecked exceptions. * * @see <a href="" class="code-quote" style="color: #009100">"https://jira.qos.ch/browse/LOGBACK-1527">Logback issue</a> */ private static class SneakingPastTeeFilterException extends RuntimeException { private final Exception wrapped; public SneakingPastTeeFilterException(IOException e) { this.wrapped = e; } public SneakingPastTeeFilterException(ServletException e) { this.wrapped = e; } void unwrap() throws IOException, ServletException { if (wrapped instanceof IOException) { throw (IOException) wrapped; } else { throw (ServletException) wrapped; } } private static class WrappingFilter implements Filter { @Override public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) { try { chain.doFilter(request, response); } catch (IOException e) { throw new SneakingPastTeeFilterException(e); } catch (ServletException e) { throw new SneakingPastTeeFilterException(e); } } } private static class UnwrappingFilter implements Filter { @Override public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { try { chain.doFilter(request, response); } catch (SneakingPastTeeFilterException e) { e.unwrap(); } } } } Add Comment   This message was sent by Atlassian Jira (v8.8.0#808000-sha1:e2c7e59)

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