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java.lang.IllegalArgumentException: The character [_] is never valid in a domain name.

After installing a confluence in a new Ubuntu server using a binary option I start to receive the following error

 

What should be done, once I followed all tutorial's steps.

 

Type Exception Report

Message The character [_] is never valid in a domain name.

Description The server cannot or will not process the request due to something that is perceived to be a client error (e.g., malformed request syntax, invalid request message framing, or deceptive request routing).

Exception

java.lang.IllegalArgumentException: The character [_] is never valid in a domain name.
	org.apache.tomcat.util.http.parser.HttpParser$DomainParseState.next(HttpParser.java:926)
	org.apache.tomcat.util.http.parser.HttpParser.readHostDomainName(HttpParser.java:822)
	org.apache.tomcat.util.http.parser.Host.parse(Host.java:71)
	org.apache.tomcat.util.http.parser.Host.parse(Host.java:45)
	org.apache.coyote.AbstractProcessor.parseHost(AbstractProcessor.java:273)
	org.apache.coyote.http11.Http11Processor.prepareRequest(Http11Processor.java:809)
	org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:384)
	org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
	org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:764)
	org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1388)
	org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
	java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.lang.Thread.run(Thread.java:748)

Note The full stack trace of the root cause is available in the server logs.

 

 

06-Sep-2018 04:52:34.313 INFO [localhost-startStop-2] org.springframework.context.support.DefaultLifecycleProcessor.start Starting beans in phase 2147483647
06-Sep-2018 04:52:34.395 INFO [localhost-startStop-2] org.springframework.web.servlet.DispatcherServlet.initServletBean FrameworkServlet 'dispatcher': initialization completed in 3395 ms
06-Sep-2018 04:52:48.468 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio-8090"]
06-Sep-2018 04:52:48.503 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in 21870 ms
06-Sep-2018 04:52:51.413 INFO [http-nio-8090-exec-1] org.apache.coyote.AbstractProcessor.parseHost The host [confluence_server] is not valid
Note: further occurrences of request parsing errors will be logged at DEBUG level.
java.lang.IllegalArgumentException: The character [_] is never valid in a domain name.
at org.apache.tomcat.util.http.parser.HttpParser$DomainParseState.next(HttpParser.java:926)
at org.apache.tomcat.util.http.parser.HttpParser.readHostDomainName(HttpParser.java:822)
at org.apache.tomcat.util.http.parser.Host.parse(Host.java:71)
at org.apache.tomcat.util.http.parser.Host.parse(Host.java:45)
at org.apache.coyote.AbstractProcessor.parseHost(AbstractProcessor.java:273)
at org.apache.coyote.http11.Http11Processor.prepareRequest(Http11Processor.java:809)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:384)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:764)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1388)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$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)

 

1 answer

0 votes
Mark 38 Atlassian Team Sep 07, 2018

Check server.xml file on your Confluence installation and that you can correctly resolve localhost from etc/hosts file.

How are you starting Confluence, which script you are using?

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