https://bz.apache.org/bugzilla/show_bug.cgi?id=62263
Bug ID: 62263
Summary: java.lang.NullPointerException when using
RemoteIpValve
Product: Tomcat 9
Version: 9.0.6
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: -----
Created attachment 35844
--> https://bz.apache.org/bugzilla/attachment.cgi?id=35844&action=edit
server.xml with added RemoteIpValve
Steps to reproduce for a newly downloaded instance of Tomcat 9.0.6:
1. Add RemoteIpValve in server.xml
<Valve className="org.apache.catalina.valves.RemoteIpValve"
protocolHeader="x-forwarded-proto" />
See also attachment.
2. Delete webapps\ROOT
3. Startup
Request for Root-URL
http://localhost:8080
or any other not present context
http://localhost:8080/foo
leads to
05-Apr-2018 17:52:05.780 SCHWERWIEGEND [http-nio-8080-exec-2]
org.apache.coyote.http11.Http11Processor.service Error processing request
java.lang.NullPointerException
at
org.apache.catalina.connector.Request.notifyAttributeAssigned(Request.java:1525)
at
org.apache.catalina.connector.Request.setAttribute(Request.java:1511)
at
org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:665)
at
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:651)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)
at
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:407)
at
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:754)
at
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1376)
at
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
Reproducable for Windows 7 and CentOS 6.9.
In our production environment we also get this exception, although there is a
ROOT-Context (alas a custom one) deployed. I will do some furher investigations
tomorrow.
Thanks a lot in advance.
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