https://bz.apache.org/bugzilla/show_bug.cgi?id=58988
--- Comment #7 from Stefan <stefan.h...@drv-bund.de> --- With backslash --- RewriteRule ^/context/id=(\w{3})(\d{12}).*$ %{CONTEXT_PATH}/site/form/?mode=search&key=Help\%20Desk&key2="$1$2" [NC,NE,L] RESULT - wrong URL fqdn/context/site/form/?mode=search&key=Help%2520Desk&key2="1234" Without backslash --- RewriteRule ^/context/id=(\w{3})(\d{12}).*$ %{CONTEXT_PATH}/site/form/?mode=search&key=Help%20Desk&key2="$1$2" [NC,NE,L] RESULT - Exception 10-Nov-2017 16:03:52.643 SCHWERWIEGEND [http-nio-80-exec-28] org.apache.coyote.http11.Http11Processor.service Error processing request java.lang.NullPointerException at org.apache.catalina.valves.rewrite.Substitution$RewriteCondBackReferenceElement.evaluate(Substitution.java:65) at org.apache.catalina.valves.rewrite.Substitution.evaluate(Substitution.java:269) at org.apache.catalina.valves.rewrite.RewriteRule.evaluate(RewriteRule.java:135) at org.apache.catalina.valves.rewrite.RewriteValve.invoke(RewriteValve.java:313) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:799) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1457) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:748) -- You are receiving this mail because: You are the assignee for the bug. --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@tomcat.apache.org For additional commands, e-mail: dev-h...@tomcat.apache.org