再重新启动jira：
[root@name01 atlassian-jira-4.4.5-standalone]# /root/atlassian-jira-4.4.5-standalone/bin/start-jira.sh
To run JIRA in the foreground, start the server with start-jira.sh -fg
Server startup logs are located in /root/atlassian-jira-4.4.5-standalone/logs/catalina.out
executing as current user
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JIRA Standalone Edition
Version : 4.4.5
Detecting JVM PermGen support...
PermGen switch is supported. Setting to 256m
If you encounter issues starting or stopping JIRA Standalone Edition, please see the Troubleshooting guide at +Troubleshooting+Guide
Using CATALINA_BASE: /root/atlassian-jira-4.4.5-standalone
Using CATALINA_HOME: /root/atlassian-jira-4.4.5-standalone
Using CATALINA_TMPDIR: /root/atlassian-jira-4.4.5-standalone/temp
Using JRE_HOME: /usr/lib/jvm/jdk1.7.0_60/jre
Using CLASSPATH: /root/atlassian-jira-4.4.5-standalone/bin/bootstrap.jar
Using CATALINA_PID: /root/atlassian-jira-4.4.5-standalone/work/catalina.pid
[root@name01 atlassian-jira-4.4.5-standalone]#
3.3，配置jira数据库再次访问:8080/，如下显示正常：
点击下一步，录入各项信息，准备创建DB
3.4，报错信息 JIRA Startup Failed
Gadget Directory Plugin (com.atlassian.gadgets.directory)
Atlassian OAuth Admin Plugin (com.atlassian.oauth.admin)
Atlassian JIRA - Plugins - Shared Application Access Layer (SAL) Plugin (com.atlassian.sal.jira)
Atlassian JIRA - Plugins - Look And Feel Logo Upload Plugin (com.atlassian.jira.lookandfeel)
Atlassian REST - Module Types (com.atlassian.plugins.rest.atlassian-rest-module)
Atlassian JIRA - Plugins - REST Plugin (com.atlassian.jira.rest)
Opensocial Plugin (com.atlassian.gadgets.opensocial)
重新关闭启动，报错如下：
……
Using CATALINA_BASE: /root/atlassian-jira-4.4.5-standalone
Using CATALINA_HOME: /root/atlassian-jira-4.4.5-standalone
Using CATALINA_TMPDIR: /root/atlassian-jira-4.4.5-standalone/temp
Using JRE_HOME: /usr/lib/jvm/jdk1.7.0_60/jre
Using CLASSPATH: /root/atlassian-jira-4.4.5-standalone/bin/bootstrap.jar
Using CATALINA_PID: /root/atlassian-jira-4.4.5-standalone/work/catalina.pid
Existing PID file found during start.
Tomcat appears to still be running with PID 32194. Start aborted.
[root@name01 logs]#
Kill 掉已经存在的进程32194
[root@name01 logs]# kill -9 32194
[root@name01 logs]#
再重新启动jira进程，启动信息如下：
Using CATALINA_BASE: /root/atlassian-jira-4.4.5-standalone
Using CATALINA_HOME: /root/atlassian-jira-4.4.5-standalone
Using CATALINA_TMPDIR: /root/atlassian-jira-4.4.5-standalone/temp
Using JRE_HOME: /usr/lib/jvm/jdk1.7.0_60/jre
Using CLASSPATH: /root/atlassian-jira-4.4.5-standalone/bin/bootstrap.jar
Using CATALINA_PID: /root/atlassian-jira-4.4.5-standalone/work/catalina.pid
Existing PID file found during start.
Removing/clearing stale PID file.
[root@name01 logs]#
查看日志文件，有如下信息：
[root@name01 logs]# more catalina.out
九月 11, 2014 5:41:41 下午 org.apache.catalina.core.AprLifecycleListener init
信息: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the Java.library.path: /usr/java/packages/lib/amd64:/usr/lib64:/l
ib64:/lib:/usr/lib
九月 11, 2014 5:41:41 下午 org.apache.coyote.http11.Http11Protocol init
信息: Initializing Coyote HTTP/1.1 on http-8080
九月 11, 2014 5:41:41 下午 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 1007 ms
九月 11, 2014 5:41:41 下午 org.apache.catalina.realm.JAASRealm setContainer
信息: Set JAAS app name Catalina
九月 11, 2014 5:41:41 下午 org.apache.catalina.core.StandardService start
信息: Starting service Catalina
九月 11, 2014 5:41:41 下午 org.apache.catalina.core.StandardEngine start
信息: Starting Servlet Engine: Apache Tomcat/6.0.32
2014-09-11 17:41:43,504 main INFO [jira.config.database.SystemTenantDatabaseConfigurationLoader] Reading database configuration from/usr/lib/jvm/jdk1.7.0_60/dbconfig.xml
2014-09-11 17:41:44,076 main INFO [atlassian.jira.startup.JiraStartupLogger]
删除这个dbconfig.xml，关闭jira，然后再重新启动，这回启动正常了，如下所示：
看见这个页面就表示JIRA服务正常启动了，接下来是根据安装向导配置安装的过程。
3.5，重新配置DB过程看Database Configuration，有Internal和External二个选择项，我们要使用External，选择外部数据库。
