tomcat-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Igal Sapir <>
Subject Re: Fw: Error: Could not find or load main class org.apache.catalina.startup.Bootstrap
Date Thu, 13 Sep 2018 06:15:53 GMT

On 9/12/2018 9:43 PM, Karen Goh wrote:
>   Hi Igal, I think you are spot-on my problem. Tks.  Thanks to Burghard also for suggesting
re-importing the project.
> I just since corrected the directory address inside my run configuration as follows ;
> -Dcatalina.base="C:\Program Files\Apache\apache-tomcat-9.0.4-windows-x64\apache-tomcat-9.0.4"
-Dcatalina.home="C:\Program Files\Apache\apache-tomcat-9.0.4-windows-x64\apache-tomcat-9.0.4"
-Dwtp.deploy="C:\Program Files\Apache\apache-tomcat-9.0.4-windows-x64\apache-tomcat-9.0.4\webapps"
-Djava.endorsed.dirs="C:\Program Files\Apache\apache-tomcat-9.0.4-windows-x64\apache-tomcat-9.0.4\endorsed"
> -agentlib:jdwp=transport=dt_socket,address=8006, server=y,suspend=n
> Now, I am not sure what this address is referring to and I just can't find the explanation
on the internet.
> Cos what happened is that Tomcat is giving me errors all my ports are being used and
so I have altered it as follows :
> Tomcat admin port 8006
> HTTP/1.1   8082
> AJP/1.3 8010
> Please let me know if address should be changed to 8006
> Cos now I got this latest error :(
> ERROR: transport error 202: connect failed: Connection refused
> ERROR: JDWP Transport dt_socket failed to initialize, TRANSPORT_INIT(510)
> JDWP exit error AGENT_ERROR_TRANSPORT_INIT(197): No transports initialized [debugInit.c:750]
> And I can't do make Tomcat switch to Debug mode even though I have followed what you
guys have taught me the last time.

No.  "8006" is not a valid address, it's just the port.  If you want to use port 8006 on localhost
then you need to use "localhost:8006".  The -agentlib value therefore should be like so:


But you might be better off using the environment variable


Since your other values are set to defaults.



To unsubscribe, e-mail:
For additional commands, e-mail:

View raw message