We have a team having issues with Tomcat, AJP, and switching to IPv6. They are
currently running version 9.0.31. Below are the errors being received:
[Tue Mar 17 10:50:38 2020] [1412:139846332929792] [error]
ajp_service::jk_ajp_common.c (2796): (Greenworker1) connecting to tomcat failed
(rc=-3, errors=13, client_errors=0).
[Tue Mar 17 10:50:38 2020] [1412:139846332929792] [error]
service::jk_lb_worker.c (1686): All tomcat instances failed, no more workers
left
[Tue Mar 17 10:50:38 2020] [1408:139846332929792] [error]
ajp_send_request::jk_ajp_common.c (1725): (Greenworker1) connecting to backend
failed. Tomcat is probably not started or is listening on the wrong port
(errno=111)
Here is the connector from the server.xml
<Connector port="6209" connectionTimeout="900000" maxThreads="400"
packetSize="65536"
maxKeepAliveRequests="-1" protocol="AJP/1.3" secretRequired="false"
address="::" />
And here is the info from web server workers.properties
cat workers.properties
# for OLTP web instance
# Define a worker named 'worker1' (more workers can be added as comma separated
values)
worker.list=loadbalancer
# Default Worker Properties
worker.workerDefault.type=ajp13
worker.workerDefault.port=6209
worker.workerDefault.lbfactor=1
worker.workerDefault.socket_timeout=300
worker.workerDefault.socket_keepalive=true
worker.workerDefault.connection_pool_timeout=300
worker.workerDefault.connection_pool_minsize=1
worker.workerDefault.connection_pool_size=225
worker.workerDefault.max_packet_size=65536
# Node #1 properties
worker.Greenworker1.reference=worker.workerDefault
worker.Greenworker1.host=<HOST1>
# Node #2 properties
#worker.Greenworker2.reference=worker.workerDefault
#worker.Greenworker2.host=<HOST2>
# Node #3 properties
#worker.Greenworker3.reference=worker.workerDefault
#worker.Greenworker3.host=<HOST3>
# Load-balancing behaviour
worker.loadbalancer.type=lb
worker.loadbalancer.balance_workers=Greenworker1
worker.loadbalancer.sticky_session=1
For HOST1, etc. should this be the IPv6 address or what?
Thanks,
Dream * Excel * Explore * Inspire
Jon McAlexander
Asst Vice President
Middleware Product Engineering
Enterprise CIO | Platform Services | Middleware | Infrastructure Solutions
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