InstanceAlreadyExistsException in JIRA

Hi team,

 

We have got an exception while loading JIRA landing page.

 

its just trying to load and in logs its showing below error:

 

Caused by: javax.management.InstanceAlreadyExistsException: com.atlassian.jira:name=BasicDataSource         at com.sun.jmx.mbeanserver.Repository.addMBean(Repository.java:437)         at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerWithRepository(DefaultMBeanServerInterceptor.java:1898)         at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerDynamicMBean(DefaultMBeanServerInterceptor.java:966)         at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerObject(DefaultMBeanServerInterceptor.java:900)         at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.registerMBean(DefaultMBeanServerInterceptor.java:324)         at com.sun.jmx.mbeanserver.JmxMBeanServer.registerMBean(JmxMBeanServer.java:522)         at org.weakref.jmx.MBeanExporter.export(MBeanExporter.java:39)

Caused by: java.net.ConnectException: Connection timed out         at java.net.PlainSocketImpl.socketConnect(Native Method)         at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345)         at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)         at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)         at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)         at java.net.Socket.connect(Socket.java:589)         at net.sourceforge.jtds.jdbc.SharedSocket.createSocketForJDBC3(SharedSocket.java:288)         at net.sourceforge.jtds.jdbc.SharedSocket.<init>(SharedSocket.java:251)         at net.sourceforge.jtds.jdbc.JtdsConnection.<init>(JtdsConnection.ja

1 answer

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That usually means there's an error in your config files (dbconfig.xml, server.xml or jira.xml)

Have a look through https://confluence.atlassian.com/display/JIRAKB/JIRA+Functionality+Fails+due+to+InstanceAlreadyExistsException

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