https://bz.apache.org/bugzilla/show_bug.cgi?id=65251
Bug ID: 65251
Summary: Child name [/app1] is not unique after upgrading
9.0.44
Product: Tomcat 9
Version: 9.0.44
Hardware: Other
OS: Linux
Status: NEW
Severity: critical
Priority: P2
Component: Manager
Assignee: dev@tomcat.apache.org
Reporter: abhish...@formsite.com
Target Milestone: -----
Created attachment 37817
--> https://bz.apache.org/bugzilla/attachment.cgi?id=37817&action=edit
server.xml
Hello,
We have been using following command to deploy an app, say app1, for multiple
"example.com" hosts on the same Tomcat instance hosted on a machine.
wget --connect-timeout=60 --http-user=$TC_MGR_USERNAME
--http-password=$TC_MGR_PASSWORD --no-check-certificate --header='Host:
$hostname'
'https://$ip_address/mgr/text/deploy?war=file:$WAR&path=/app1&update=true' -O -
After upgrading to Tomcat 9.0.44, we are seeing the following error
consistently, preventing app1 to start normally. We have been using the same
command since Tomcat 8.x versions without any issue and nothing has changed at
our end.
15-Apr-2021 14:46:58.852 INFO [ajp-nio-127.0.0.1-8009-exec-27]
org.apache.catalina.startup.HostConfig.deployWAR Deploying web application
archive [/usr/sites/x.example.com/tomcatweb/app1.war]
15-Apr-2021 14:46:58.860 INFO [Catalina-utility-1]
org.apache.catalina.startup.HostConfig.deployWAR Deploying web application
archive [/usr/sites/x.example.com/tomcatweb/app1.war]
15-Apr-2021 14:46:58.861 SEVERE [Catalina-utility-1]
org.apache.catalina.startup.HostConfig.deployWAR Error deploying web
application archive [/usr/sites/x.example.com/tomcatweb/app1.war]
java.lang.IllegalArgumentException: Child name [/app1] is not unique
at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:703)
at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:690)
at
org.apache.catalina.core.StandardHost.addChild(StandardHost.java:706)
at
org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:1023)
at
org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1903)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
at
java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:112)
at
org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:824)
at
org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:474)
at
org.apache.catalina.startup.HostConfig.check(HostConfig.java:1660)
at
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:315)
at
org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
at
org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1151)
at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1353)
at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1357)
at
org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1335)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at
java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
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)
15-Apr-2021 14:46:58.861 INFO [Catalina-utility-1]
org.apache.catalina.startup.HostConfig.deployWAR Deployment of web application
archive [/usr/sites/x.example.com/tomcatweb/app1.war] has finished in [1] ms
I have attached server.xml for your reference which has multiple hosts, each
host has multiple apps. Our Java deployer utility calls
'https://$ip_address/mgr/text/deploy?war=file:$WAR&path=/$app&update=true'
command on different hosts for same app, app1, at the same time using multiple
threads.
The change log for Tomcat 9.0.44
https://tomcat.apache.org/tomcat-9.0-doc/changelog.html mentions "Remove the
restriction that prevented the Manager web application deploying different web
applications in parallel. (markt)". Even though we do not use parallel
deployment(no version passed in command line), we suspect the changes here
https://github.com/apache/tomcat/pull/403 might have caused the issue above.
Environment details:
CentOS Linux release 7.9.2009 (Core)
openjdk version "1.8.0_282"
OpenJDK Runtime Environment (build 1.8.0_282-b08)
OpenJDK 64-Bit Server VM (build 25.282-b08, mixed mode)
Any help would be appreciated.
Thank you!
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