Activating gzip compression

>> * No content-encoding is specified by the resource >> >> I found no way to not specify an encoding for whatever I return in RESTXQ. If I don't specify anything it's UTF-8. it shows up as "; character-set=UTF-8"I did not find a way to specify no encoding. Maybe unrelated but perhaps that is a problem. >> >>

> https://stackoverflow.com/questions/38635262/jetty-9-and-gziphandler <https://stackoverflow.com/questions/38635262/jetty-9-and-gziphandler>The implementation of Gzip support in Jetty is now based on a Container HTTP Output Interceptor pattern. This means GzipHandler has to be defined at a point in the Jetty Handler tree before your WebApp and its WebAppContext even exists. > >

> Am 26.02.2019 um 18:27 schrieb Omar Siam <Omar.Siam at oeaw.ac.at>: > > Hi, > > I tried both ways of enabling gzip compression for JSON and js (and others). I can't see it actually working. The GzipFilter method from the web.xml sample seems to be deprecated with a warning of "it is bug ridden" ... But then in a browser debugger I cannot see it actually zipping anything. > > I trief to enable this in my BaseX 9.1.2 instance using > > <filter> > <filter-name>GzipFilter</filter-name> > <filter-class>org.eclipse.jetty.servlets.GzipFilter</filter-class> > <init-param> > <param-name>mimeTypes</param-name> > <param-value>text/html,text/xml,text/ecmascript,application/xhtml+xml,application/json,application/javascript,image/svg+xml</param-value> > </init-param> > </filter> > <filter-mapping> > <filter-name>GzipFilter</filter-name> > <url-pattern>/*</url-pattern> > </filter-mapping> > The GzipHandler method seems to get loaded but then also in a browser debugger I cannot see it actually zipping anything. > > For the GzipHandler the documentation https://www.eclipse.org/jetty/documentation/current/gzip-filter.html <https://www.eclipse.org/jetty/documentation/current/gzip-filter.html> talks about when it actually gets invoked and mentions: > > * No content-encoding is specified by the resource > > I found no way to not specify an encoding for whatever I return in RESTXQ. If I don't specify anything it's UTF-8. it shows up as "; character-set=UTF-8"I did not find a way to specify no encoding. Maybe unrelated but perhaps that is a problem. > > I modified webapp/WEB-INF/jetty.xml like this so it uses the GzipHandler (copied from the current jetty distribution): > > <Configure id="Server" class="org.eclipse.jetty.server.Server"> > <!-- Default connector. The Jetty stop port can be specified > in the .basex or pom.xml configuration file. --> > <Call name="addConnector"> > ... > </Call> > <Call name="insertHandler"> > <Arg> > <New id="GzipHandler" class="org.eclipse.jetty.server.handler.gzip.GzipHandler"> > <Set name="minGzipSize"><Property name="jetty.gzip.minGzipSize" deprecated="gzip.minGzipSize" default="2048"/></Set> > <Set name="checkGzExists"><Property name="jetty.gzip.checkGzExists" deprecated="gzip.checkGzExists" default="false"/></Set> > <Set name="compressionLevel"><Property name="jetty.gzip.compressionLevel" deprecated="gzip.compressionLevel" default="-1"/></Set> > <Set name="inflateBufferSize"><Property name="jetty.gzip.inflateBufferSize" default="0"/></Set> > <Set name="deflaterPoolCapacity"><Property name="jetty.gzip.deflaterPoolCapacity" default="-1"/></Set> > <Set name="syncFlush"><Property name="jetty.gzip.syncFlush" default="false" /></Set> > > <Set name="excludedAgentPatterns"> > <Array type="String"> > <Item><Property name="jetty.gzip.excludedUserAgent" deprecated="gzip.excludedUserAgent" default=".*MSIE.6\.0.*"/></Item> > </Array> > </Set> > > <Set name="includedMethodList"><Property name="jetty.gzip.includedMethodList" default="GET" /></Set> > <Set name="excludedMethodList"><Property name="jetty.gzip.excludedMethodList" default="" /></Set> > > </New> > </Arg> > </Call> > </Configure> > I hope there is a way to get this to work. > > Best regards > > Omar Siam > > >