https://issues.apache.org/bugzilla/show_bug.cgi?id=53416
Priority: P2
Bug ID: 53416
Assignee: dev@tomcat.apache.org
Summary: Two datasources with the same name in different web
applications results in
javax.management.InstanceAlreadyExistsException
Severity: normal
Classification: Unclassified
OS: Windows Vista
Reporter: anthonygerrard+apache....@gmail.com
Hardware: PC
Status: NEW
Version: unspecified
Component: jdbc-pool
Product: Tomcat Modules
Deploy two different web applications onto Tomcat.
Each web application has a resource that:
* uses the Use Tomcat JDBC Connection Pool
* has an identical name to the other one
<Resource name="jdbc/collision"
factory="org.apache.tomcat.jdbc.pool.DataSourceFactory" ... />
When starting the server you get a non fatal error in the logs
InstanceAlreadyExistsException. Both applications appear to still work OK
ERROR org.apache.tomcat.jdbc.pool.DataSource - Unable to register JDBC pool
with JMX
javax.management.InstanceAlreadyExistsException:
tomcat.jdbc:name="jdbc/soscvuk",context=/,type=ConnectionPool,host=localhost,class=org.apache.tomcat.jdbc.pool.
DataSource
at com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:453)
~[na:1.6.0_32]
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.internal_addObject(DefaultMBeanServerInterceptor.java:1484)
[na:1.6.0_32]
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:963)
[na:1.6.0_32]
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:917)
[na:1.6.0_32]
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:312)
[na:1.6.0_32]
at
com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:482)
[na:1.6.0_32]
at org.apache.tomcat.jdbc.pool.DataSource.registerJmx(DataSource.java:135)
[tomcat-jdbc.jar:na]
at org.apache.tomcat.jdbc.pool.DataSource.preRegister(DataSource.java:102)
[tomcat-jdbc.jar:na]
at
org.apache.tomcat.util.modeler.BaseModelMBean.preRegister(BaseModelMBean.java:1132)
[tomcat-coyote.jar:7.0.27]
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.preRegisterInvoke(DefaultMBeanServerInterceptor.java:1010)
[na:1.6.0_32]
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:938)
[na:1.6.0_32]
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:917)
[na:1.6.0_32]
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:312)
[na:1.6.0_32]
at
com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:482)
[na:1.6.0_32]
at
org.apache.tomcat.util.modeler.Registry.registerComponent(Registry.java:742)
[tomcat-coyote.jar:7.0.27]
at
org.apache.catalina.core.NamingContextListener.addResource(NamingContextListener.java:1062)
[catalina.jar:7.0.27]
at
org.apache.catalina.core.NamingContextListener.createNamingContext(NamingContextListener.java:671)
[catalina.jar:7.0.27]
at
org.apache.catalina.core.NamingContextListener.lifecycleEvent(NamingContextListener.java:270)
[catalina.jar:7.0.27]
at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
[catalina.jar:7.0.27]
at
org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
[catalina.jar:7.0.27]
at
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5161)
[catalina.jar:7.0.27]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
[catalina.jar:7.0.27]
at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:895)
[catalina.jar:7.0.27]
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:871)
[catalina.jar:7.0.27]
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:615)
[catalina.jar:7.0.27]
at
org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:649)
[catalina.jar:7.0.27]
at
org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1585)
[catalina.jar:7.0.27]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
[na:1.6.0_32]
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
[na:1.6.0_32]
at java.util.concurrent.FutureTask.run(FutureTask.java:138) [na:1.6.0_32]
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
[na:1.6.0_32]
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
[na:1.6.0_32]
at java.lang.Thread.run(Thread.java:662) [na:1.6.0_32]
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