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Run Two instance of Tomcat 4.1 on one Machine  RSS feed

Satya Narayan
Posts: 6
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Hi to all...

I want to run two instance of Tomcat 4.1 in one Machine.

I did the following step to complete the task but it give error.

Step 1: install tomcat 4.1
tomcat folder : C:\Apache Group\Tomcat 4.1\

Step 2: copy & paste tomcat folder in same parent folder and rename it Tomcat2 4.1
tomcat folder : C:\Apache Group\Tomcat_2 4.1\

Step 3: Download service.bat file.
Put service.bat file in folder : C:\Apache Group\Tomcat_2 4.1\bin\service.bat

Step 4: Change all required port of second instance of Tomcat.
Edit all required port in file server.xml

Path: C:\Apache Group\Tomcat_2 4.1\config\server.xml

(1) Change the port on the root Server element to a different number (e.g. 8006)
(2) Change the port attributes on the Connector elements to a different number (e.g. 8010 instead of 8009, 8081 instead of 8080
and 8444 instead of 8443)

Step 5: To install service of second Tomcat run below command.
C:\Apache Group\Tomcat_2 4.1\bin>service.bat install ApacheTomcat2

It will install service succesful. Add service name also in service list. ie:ApacheTomcat2
But when we run service from it gives error in stdout.log file and tomcat manager does not run (ie: http://localhost:8081/).

Error in stdout.log file
Bootstrap: Create Catalina server
org.apache.commons.logging.LogConfigurationException: java.lang.NullPointerException
at org.apache.commons.logging.LogFactory.newFactory(LogFactory.java:558)
at org.apache.commons.logging.LogFactory.getFactory(LogFactory.java:355)
at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:409)
at org.apache.commons.digester.Digester.<init>(Digester.java:352)
at org.apache.catalina.startup.Catalina.createStartDigester(Catalina.java:280)
at org.apache.catalina.startup.CatalinaService.load(CatalinaService.java:183)
at org.apache.catalina.startup.CatalinaService.load(CatalinaService.java:258)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.BootstrapService.init(BootstrapService.java:231)
at org.apache.catalina.startup.BootstrapService.main(BootstrapService.java:297)
Caused by: java.lang.NullPointerException
at org.apache.commons.logging.LogFactory.newFactory(LogFactory.java:543)
... 12 more
Bootstrap: Starting service
Bootstrap: Service started

Step 6: To remove service of second Tomcat run below command.
C:\Apache Group\Tomcat_2 4.1\bin>service.bat remove ApacheTomcat2

Can any one tell, What is Problem? Which step is wrong & where?


Andrew Monkhouse
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Satya YYY

Please check your private messages regarding an important administrative matter.

Consider Paul's rocket mass heater.
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