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Adobe-Consulting-Services / acs-aem-commons

http://adobe-consulting-services.github.io/acs-aem-commons/
Apache License 2.0
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AEM Environment Indicator breaks 6.5 interface #1848

Closed reggie7 closed 5 years ago

reggie7 commented 5 years ago

Expected Behavior

AEM Environment Indicator does not break anything when configured with any data.

Actual Behavior

How to Use example breaks the instance interface:

crxdelite

start

Steps to Reproduce

Implement the indicator just as described in How to Use.

reggie7 commented 5 years ago

Important: 4.0.0 works, the current as of now 4.0.1-SNAPSHOT - not anymore.

reggie7 commented 5 years ago

The cause is this change to AemEnvironmentIndicatorFilter by replacement of BufferingResponse with BufferedHttpServletResponse (coming from the deprecation of the former). Could you look into it @kwin? Let me know if I can help out. When I've replaced the new code with the old one - the interface did not break anymore. Even though it could be a solution here I don't see it as a viable one since the original change had its reasons.

kwin commented 5 years ago

Indeed the following errors are emitted to the error.log

23.04.2019 18:04:59.477 *ERROR* [qtp574096925-1714] org.apache.felix.http.jetty Exception while processing request to /libs/granite/core/content/login/favicon.ico (java.lang.IllegalStateException: Cannot invoke getBufferedString() once getWriter() has been called.)
java.lang.IllegalStateException: Cannot invoke getBufferedString() once getWriter() has been called.
    at com.adobe.acs.commons.util.BufferedServletOutput.getBufferedString(BufferedServletOutput.java:125) [com.adobe.acs.acs-aem-commons-bundle:4.0.1.SNAPSHOT]
    at com.adobe.acs.commons.wcm.impl.AemEnvironmentIndicatorFilter.doFilter(AemEnvironmentIndicatorFilter.java:191) [com.adobe.acs.acs-aem-commons-bundle:4.0.1.SNAPSHOT]
    at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:142) [org.apache.felix.http.jetty:4.0.8]
    at org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:81) [org.apache.felix.http.jetty:4.0.8]
    at com.adobe.granite.license.impl.LicenseCheckFilter.doFilter(LicenseCheckFilter.java:308) [com.adobe.granite.license:1.2.10]
    at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:142) [org.apache.felix.http.jetty:4.0.8]
    at org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:81) [org.apache.felix.http.jetty:4.0.8]
    at org.apache.sling.i18n.impl.I18NFilter.doFilter(I18NFilter.java:131) [org.apache.sling.i18n:2.5.14]
    at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:142) [org.apache.felix.http.jetty:4.0.8]
    at org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:81) [org.apache.felix.http.jetty:4.0.8]
    at org.apache.sling.featureflags.impl.FeatureManager.doFilter(FeatureManager.java:116) [org.apache.sling.featureflags:1.2.2]
    at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:142) [org.apache.felix.http.jetty:4.0.8]
    at org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:81) [org.apache.felix.http.jetty:4.0.8]
    at org.apache.sling.engine.impl.log.RequestLoggerFilter.doFilter(RequestLoggerFilter.java:72) [org.apache.sling.engine:2.6.18]
    at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:142) [org.apache.felix.http.jetty:4.0.8]
    at org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:81) [org.apache.felix.http.jetty:4.0.8]
    at org.apache.sling.engine.impl.parameters.RequestParameterSupportConfigurer.doFilter(RequestParameterSupportConfigurer.java:63) [org.apache.sling.engine:2.6.18]
    at org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:142) [org.apache.felix.http.jetty:4.0.8]
    at org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:81) [org.apache.felix.http.jetty:4.0.8]
    at org.apache.felix.http.base.internal.dispatch.Dispatcher$1.doFilter(Dispatcher.java:146) [org.apache.felix.http.jetty:4.0.8]
    at org.apache.felix.http.base.internal.whiteboard.WhiteboardManager$2.doFilter(WhiteboardManager.java:1002) [org.apache.felix.http.jetty:4.0.8]
    at org.apache.sling.security.impl.ReferrerFilter.doFilter(ReferrerFilter.java:326) [org.apache.sling.security:1.1.16]
    at org.apache.felix.http.base.internal.handler.PreprocessorHandler.handle(PreprocessorHandler.java:136) [org.apache.felix.http.jetty:4.0.8]
    at org.apache.felix.http.base.internal.whiteboard.WhiteboardManager$2.doFilter(WhiteboardManager.java:1008) [org.apache.felix.http.jetty:4.0.8]
    at org.apache.felix.http.sslfilter.internal.SslFilter.doFilter(SslFilter.java:97) [org.apache.felix.http.sslfilter:1.2.6]
    at org.apache.felix.http.base.internal.handler.PreprocessorHandler.handle(PreprocessorHandler.java:136) [org.apache.felix.http.jetty:4.0.8]
    at org.apache.felix.http.base.internal.whiteboard.WhiteboardManager$2.doFilter(WhiteboardManager.java:1008) [org.apache.felix.http.jetty:4.0.8]
    at org.apache.felix.http.base.internal.whiteboard.WhiteboardManager.invokePreprocessors(WhiteboardManager.java:1012) [org.apache.felix.http.jetty:4.0.8]
    at org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher.java:91) [org.apache.felix.http.jetty:4.0.8]
    at org.apache.felix.http.base.internal.dispatch.DispatcherServlet.service(DispatcherServlet.java:49) [org.apache.felix.http.jetty:4.0.8]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:725) [org.apache.felix.http.servlet-api:1.1.2]
    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:873) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:542) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1701) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1668) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:220) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.server.Server.handle(Server.java:502) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:370) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:267) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765) [org.apache.felix.http.jetty:4.0.8]
    at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683) [org.apache.felix.http.jetty:4.0.8]
    at java.lang.Thread.run(Thread.java:748)
reggie7 commented 5 years ago

Is this issue indeed solved already? I could suspect so from the status and PR being merged, but actually something is still wrong in a clean 6.5 instance:

start

incorrectItems

configMgr

For some reason the Filter triggers the HTML output to get rendered twice (example from start) and it may have something to do with: *ERROR* [0:0:0:0:0:0:0:1 [1556280904278] GET /aem/start.html HTTP/1.1] com.adobe.acs.commons.util.BufferedServletResponse Prevent committing the response, it will be committed deferred, i.e. once this response is closed.

kwin commented 5 years ago

No, not yet fixed (i.e. according PR not yet merged). The new problem is tracked already in https://github.com/Adobe-Consulting-Services/acs-aem-commons/issues/1854!

reggie7 commented 5 years ago

Ok, sure, just saw this as well. Thanks for the update!