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From David Rickard <>
Subject Tomcat Startup/Shutdown and mod_jk Issues
Date Wed, 19 Jan 2005 00:22:12 GMT
System: SunOS 5.9 Generic_117171-13 sun4u sparc SUNW,Sun-Fire-V440
Apache: 2.0.52
Tomcat: 5.5.4
Connector: jk-1.2.6
Java: JDK

We're attempting an upgrade from Tomcat 4.1.31 to 5.5.4; we are using JK 1 
as a connector to Apache (due to prior experience and relative simplicity);
We are encountering three issues:
1) During start-up, Tomcat throws the following error messages:

org.apache.naming.NamingContextEnumeration.<init>(Ljava/util/Iterator;)V [ 
for each application it attempts to deploy]

SEVERE: Catalina.start:
LifecycleException:  Protocol handler start failed: 
Address already in use:8080
[presumably from Tomcat not releasing 8080 properly during previous 
start-up/shut-down cycles]

2) During shut-down, Tomcat throws the following error:
SEVERE: Protocol handler pause failed
         at org.apache.jk.server.JkMain.pause(

3) The mod_jk.conf file does not build; its entire contents are:
########## Auto generated on Tue Jan 18 16:24:18 PST 2005##########

<IfModule !mod_jk.c>
   LoadModule jk_module 

JkWorkersFile "/var/apache/tomcat/conf/jk/"
JkLogFile "/var/apache/tomcat/logs/mod_jk.log"

JkLogLevel emerg


[presumably this is from applications not loading during start-up; but 
could it be from some other cause?]


David Rickard
Software Engineer

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