I upgraded liferay portal from 5.2.3 version to 6.0.6, it has bellow error:
1Oct 16, 2012 8:35:51 AM org.apache.catalina.core.AprLifecycleListener init
2INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: /usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/lib/amd64/server:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/lib/amd64:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0.x86_64/jre/../lib/amd64:/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
3Oct 16, 2012 8:35:51 AM org.apache.coyote.http11.Http11Protocol init
4SEVERE: Error initializing endpoint
5java.net.BindException: Address already in use <null>:8080
6 at org.apache.tomcat.util.net.JIoEndpoint.init(JIoEndpoint.java:549)
7 at org.apache.coyote.http11.Http11Protocol.init(Http11Protocol.java:176)
8 at org.apache.catalina.connector.Connector.initialize(Connector.java:1014)
9 at org.apache.catalina.core.StandardService.initialize(StandardService.java:680)
10 at org.apache.catalina.core.StandardServer.initialize(StandardServer.java:795)
11 at org.apache.catalina.startup.Catalina.load(Catalina.java:524)
12 at org.apache.catalina.startup.Catalina.load(Catalina.java:548)
13 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
14 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
15 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
16 at java.lang.reflect.Method.invoke(Method.java:616)
17 at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:261)
18 at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
19Caused by: java.net.BindException: Address already in use
20 at java.net.PlainSocketImpl.socketBind(Native Method)
21 at java.net.AbstractPlainSocketImpl.bind(AbstractPlainSocketImpl.java:353)
22 at java.net.ServerSocket.bind(ServerSocket.java:336)
23 at java.net.ServerSocket.<init>(ServerSocket.java:202)
24 at java.net.ServerSocket.<init>(ServerSocket.java:158)
25 at org.apache.tomcat.util.net.DefaultServerSocketFactory.createSocket(DefaultServerSocketFactory.java:50)
26 at org.apache.tomcat.util.net.JIoEndpoint.init(JIoEndpoint.java:538)
27 ... 12 more
28Oct 16, 2012 8:35:51 AM org.apache.catalina.startup.Catalina load
29SEVERE: Catalina.start
30LifecycleException: Protocol handler initialization failed: java.net.BindException: Address already in use <null>:8080
31 at org.apache.catalina.connector.Connector.initialize(Connector.java:1016)
32 at org.apache.catalina.core.StandardService.initialize(StandardService.java:680)
33 at org.apache.catalina.core.StandardServer.initialize(StandardServer.java:795)
34 at org.apache.catalina.startup.Catalina.load(Catalina.java:524)
35 at org.apache.catalina.startup.Catalina.load(Catalina.java:548)
36 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
37 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
38 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
39 at java.lang.reflect.Method.invoke(Method.java:616)
40 at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:261)
41 at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
42Oct 16, 2012 8:35:51 AM org.apache.catalina.startup.Catalina load
43INFO: Initialization processed in 1728 ms
44Oct 16, 2012 8:35:52 AM org.apache.catalina.core.StandardService start
45INFO: Starting service Catalina
46Oct 16, 2012 8:35:52 AM org.apache.catalina.core.StandardEngine start
47INFO: Starting Servlet Engine: Apache Tomcat/6.0.29
48Oct 16, 2012 8:35:52 AM org.apache.catalina.startup.HostConfig deployDescriptor
49INFO: Deploying configuration descriptor ROOT.xml
50Loading jar:file:/opt/liferay-portal-6.0.6/tomcat-6.0.29/webapps/ROOT/WEB-INF/lib/portal-impl.jar!/system.properties
51Loading jar:file:/opt/liferay-portal-6.0.6/tomcat-6.0.29/webapps/ROOT/WEB-INF/lib/portal-impl.jar!/portal.properties
52Loading file:/opt/liferay-portal-6.0.6/tomcat-6.0.29/webapps/ROOT/WEB-INF/classes/portal-ext.properties
5308:36:05,195 INFO [DialectDetector:69] Determining dialect for MySQL 5
5408:36:05,331 INFO [DialectDetector:49] Using dialect org.hibernate.dialect.MySQLDialect
5508:36:10,810 INFO [PortalImpl:278] Global lib directory /opt/liferay-portal-6.0.6/tomcat-6.0.29/lib/ext/
5608:36:10,812 INFO [PortalImpl:298] Portal lib directory /opt/liferay-portal-6.0.6/tomcat-6.0.29/webapps/ROOT/WEB-INF/lib/
57Starting Liferay Portal Community Edition 6.0.6 CE (Bunyan / Build 6006 / February 17, 2011)
5808:36:30,500 ERROR [JDBCExceptionReporter:101] Table 'liferay5to6.Lock_' doesn't exist
5908:36:31,606 INFO [BaseDB:403] Database does not support case sensitive queries
6008:36:31,636 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.UpgradeProcess_6_0_0
6108:36:31,638 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_0.UpgradeSchema
6208:37:16,570 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_0.UpgradeAsset
6308:40:41,766 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_0.UpgradeAssetPublisher
6408:40:42,806 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_0.UpgradeBlogs
6508:40:42,862 INFO [Table:371] Starting backup of BlogsEntry to /opt/liferay-portal-6.0.6/tomcat-6.0.29/temp/temp-db-BlogsEntry-1350376842862
6608:40:42,938 INFO [Table:407] Finished backup of BlogsEntry to /opt/liferay-portal-6.0.6/tomcat-6.0.29/temp/temp-db-BlogsEntry-1350376842862 in 76 ms
6708:40:42,959 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_0.UpgradeDocumentLibrary
6808:40:43,665 INFO [Table:371] Starting backup of DLFileEntry to /opt/liferay-portal-6.0.6/tomcat-6.0.29/temp/temp-db-DLFileEntry-1350376843665
6908:40:43,717 INFO [Table:407] Finished backup of DLFileEntry to /opt/liferay-portal-6.0.6/tomcat-6.0.29/temp/temp-db-DLFileEntry-1350376843665 in 52 ms
7008:40:43,978 INFO [Table:371] Starting backup of DLFileRank to /opt/liferay-portal-6.0.6/tomcat-6.0.29/temp/temp-db-DLFileRank-1350376843978
7108:40:43,992 INFO [Table:407] Finished backup of DLFileRank to /opt/liferay-portal-6.0.6/tomcat-6.0.29/temp/temp-db-DLFileRank-1350376843978 in 14 ms
7208:40:44,141 INFO [Table:371] Starting backup of DLFileShortcut to /opt/liferay-portal-6.0.6/tomcat-6.0.29/temp/temp-db-DLFileShortcut-1350376844141
7308:40:44,144 INFO [Table:407] Finished backup of DLFileShortcut to /opt/liferay-portal-6.0.6/tomcat-6.0.29/temp/temp-db-DLFileShortcut-1350376844141 in 3 ms
7408:40:44,243 INFO [Table:371] Starting backup of DLFileVersion to /opt/liferay-portal-6.0.6/tomcat-6.0.29/temp/temp-db-DLFileVersion-1350376844243
7508:40:44,252 INFO [Table:407] Finished backup of DLFileVersion to /opt/liferay-portal-6.0.6/tomcat-6.0.29/temp/temp-db-DLFileVersion-1350376844243 in 9 ms
7608:40:44,363 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_0.UpgradeExpando
7708:40:44,372 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_0.UpgradeGroup
7808:40:44,427 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_0.UpgradeJournal
7908:40:50,266 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_0.UpgradePolls
8008:40:50,590 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_0.UpgradePortletId
8108:40:51,092 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_0.UpgradeResourceAction
8208:40:51,247 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_0.UpgradeShopping
8308:40:51,660 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_0.UpgradeSocial
8408:40:52,125 INFO [Table:371] Starting backup of SocialActivity to /opt/liferay-portal-6.0.6/tomcat-6.0.29/temp/temp-db-SocialActivity-1350376852125
8508:40:52,132 INFO [Table:407] Finished backup of SocialActivity to /opt/liferay-portal-6.0.6/tomcat-6.0.29/temp/temp-db-SocialActivity-1350376852125 in 7 ms
8608:40:52,263 INFO [Table:371] Starting backup of SocialRelation to /opt/liferay-portal-6.0.6/tomcat-6.0.29/temp/temp-db-SocialRelation-1350376852263
8708:40:52,266 INFO [Table:407] Finished backup of SocialRelation to /opt/liferay-portal-6.0.6/tomcat-6.0.29/temp/temp-db-SocialRelation-1350376852263 in 3 ms
8808:40:52,412 INFO [Table:371] Starting backup of SocialRequest to /opt/liferay-portal-6.0.6/tomcat-6.0.29/temp/temp-db-SocialRequest-1350376852412
8908:40:52,417 INFO [Table:407] Finished backup of SocialRequest to /opt/liferay-portal-6.0.6/tomcat-6.0.29/temp/temp-db-SocialRequest-1350376852412 in 5 ms
9008:40:52,527 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_0.UpgradeWiki
9108:40:53,150 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.UpgradeProcess_6_0_1
9208:40:53,151 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_1.UpgradeSchema
9308:40:53,349 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_1.UpgradeDocumentLibrary
9408:40:53,447 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.UpgradeProcess_6_0_2
9508:40:53,448 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_2.UpgradeSchema
9608:40:58,684 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_2.UpgradeExpando
9708:40:58,691 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_2.UpgradeNestedPortlets
9808:40:58,718 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.UpgradeProcess_6_0_3
9908:40:58,719 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_3.UpgradeSchema
10008:41:02,539 WARN [BaseDB:376] Duplicate column name 'minSymbols': alter table PasswordPolicy add minSymbols INTEGER;
10108:41:03,468 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_3.UpgradeAsset
10208:46:00,901 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_3.UpgradeAssetPublisher
10308:46:01,981 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_3.UpgradeDocumentLibrary
10408:46:02,083 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_3.UpgradeLookAndFeel
10508:46:02,594 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_3.UpgradePermission
10608:46:03,478 INFO [UpgradeProcess:108] Upgrading com.liferay.portal.upgrade.v6_0_3.UpgradeScopes
10708:46:04,066 ERROR [JDBCExceptionReporter:101] Duplicate entry '14302-0-/?????-????-?-????????' for key 'IX_BC2C4231'
10808:46:04,117 ERROR [MainServlet:202] com.liferay.portal.kernel.events.ActionException: com.liferay.portal.kernel.upgrade.UpgradeException: com.liferay.portal.kernel.upgrade.UpgradeException: java.lang.reflect.InvocationTargetException
109com.liferay.portal.kernel.events.ActionException: com.liferay.portal.kernel.upgrade.UpgradeException: com.liferay.portal.kernel.upgrade.UpgradeException: java.lang.reflect.InvocationTargetException
110 at com.liferay.portal.events.StartupAction.run(StartupAction.java:53)
111 at com.liferay.portal.servlet.MainServlet.processStartupEvents(MainServlet.java:1166)
112 at com.liferay.portal.servlet.MainServlet.init(MainServlet.java:199)
113 at javax.servlet.GenericServlet.init(GenericServlet.java:212)
114 at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1173)
115 at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:993)
116 at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4350)
117 at org.apache.catalina.core.StandardContext.start(StandardContext.java:4659)
118 at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
119 at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
120 at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:546)
121 at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:637)
122 at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:563)
123 at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:498)
124 at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1277)
125 at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:321)
126 at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
127 at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
128 at org.apache.catalina.core.StandardHost.start(StandardHost.java:785)
129 at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
130 at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:445)
131 at org.apache.catalina.core.StandardService.start(StandardService.java:519)
132 at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
133 at org.apache.catalina.startup.Catalina.start(Catalina.java:581)
134 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
135 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
136 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
137 at java.lang.reflect.Method.invoke(Method.java:616)
138 at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
139 at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
140Caused by: com.liferay.portal.kernel.upgrade.UpgradeException: com.liferay.portal.kernel.upgrade.UpgradeException: java.lang.reflect.InvocationTargetException
141 at com.liferay.portal.kernel.upgrade.UpgradeProcess.upgrade(UpgradeProcess.java:114)
142 at com.liferay.portal.upgrade.UpgradeProcessUtil._upgradeProcess(UpgradeProcessUtil.java:80)
143 at com.liferay.portal.upgrade.UpgradeProcessUtil.upgradeProcess(UpgradeProcessUtil.java:37)
144 at com.liferay.portal.events.StartupHelper.upgradeProcess(StartupHelper.java:73)
145 at com.liferay.portal.events.StartupHelperUtil.upgradeProcess(StartupHelperUtil.java:40)
146 at com.liferay.portal.tools.DBUpgrader.upgrade(DBUpgrader.java:94)
147 at com.liferay.portal.events.StartupAction.doRun(StartupAction.java:117)
148 at com.liferay.portal.events.StartupAction.run(StartupAction.java:47)
149 ... 29 more
150Caused by: com.liferay.portal.kernel.upgrade.UpgradeException: java.lang.reflect.InvocationTargetException
151 at com.liferay.portal.kernel.upgrade.UpgradeProcess.upgrade(UpgradeProcess.java:114)
152 at com.liferay.portal.kernel.upgrade.UpgradeProcess.upgrade(UpgradeProcess.java:130)
153 at com.liferay.portal.upgrade.UpgradeProcess_6_0_3.doUpgrade(UpgradeProcess_6_0_3.java:44)
154 at com.liferay.portal.kernel.upgrade.UpgradeProcess.upgrade(UpgradeProcess.java:111)
155 ... 36 more
156Caused by: java.lang.reflect.InvocationTargetException
157 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
158 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
159 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
160 at java.lang.reflect.Method.invoke(Method.java:616)
161 at com.liferay.portal.kernel.util.MethodHandler.invoke(MethodHandler.java:81)
162 at com.liferay.portal.kernel.util.MethodHandler.invoke(MethodHandler.java:75)
163 at com.liferay.portal.verify.VerifyUUID.verifyModel(VerifyUUID.java:91)
164 at com.liferay.portal.verify.VerifyUUID.verifyModel(VerifyUUID.java:62)
165 at com.liferay.portal.upgrade.v6_0_3.UpgradeScopes.doUpgrade(UpgradeScopes.java:33)
166 at com.liferay.portal.kernel.upgrade.UpgradeProcess.upgrade(UpgradeProcess.java:111)
167 ... 39 more
168Caused by: com.liferay.portal.kernel.exception.SystemException: com.liferay.portal.kernel.dao.orm.ORMException: org.hibernate.exception.ConstraintViolationException: Could not execute JDBC batch update
169 at com.liferay.portal.service.persistence.impl.BasePersistenceImpl.processException(BasePersistenceImpl.java:195)
170 at com.liferay.portal.service.persistence.LayoutPersistenceImpl.updateImpl(LayoutPersistenceImpl.java:468)
171 at com.liferay.portal.service.persistence.LayoutPersistenceImpl.updateImpl(LayoutPersistenceImpl.java:1)
172 at com.liferay.portal.service.persistence.impl.BasePersistenceImpl.update(BasePersistenceImpl.java:262)
173 at com.liferay.portal.service.base.LayoutLocalServiceBaseImpl.updateLayout(LayoutLocalServiceBaseImpl.java:398)
174 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
175 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
176 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
177 at java.lang.reflect.Method.invoke(Method.java:616)
178 at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309)
179 at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
180 at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
181 at com.liferay.portal.spring.transaction.TransactionInterceptor.invoke(TransactionInterceptor.java:82)
182 at com.liferay.portal.spring.aop.ChainableMethodAdvice.invoke(ChainableMethodAdvice.java:58)
183 at com.liferay.portal.spring.aop.ChainableMethodAdvice.invoke(ChainableMethodAdvice.java:58)
184 at com.liferay.portal.spring.aop.ChainableMethodAdvice.invoke(ChainableMethodAdvice.java:58)
185 at com.liferay.portal.spring.aop.ChainableMethodAdvice.invoke(ChainableMethodAdvice.java:58)
186 at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
187 at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89)
188 at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
189 at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
190 at $Proxy28.updateLayout(Unknown Source)
191 at com.liferay.portal.service.LayoutLocalServiceUtil.updateLayout(LayoutLocalServiceUtil.java:224)
192 ... 49 more
193Caused by: com.liferay.portal.kernel.dao.orm.ORMException: org.hibernate.exception.ConstraintViolationException: Could not execute JDBC batch update
194 at com.liferay.portal.dao.orm.hibernate.ExceptionTranslator.translate(ExceptionTranslator.java:30)
195 at com.liferay.portal.dao.orm.hibernate.SessionImpl.flush(SessionImpl.java:111)
196 at sun.reflect.GeneratedMethodAccessor138.invoke(Unknown Source)
197 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
198 at java.lang.reflect.Method.invoke(Method.java:616)
199 at com.liferay.portal.kernel.bean.ClassLoaderBeanHandler.invoke(ClassLoaderBeanHandler.java:54)
200 at $Proxy234.flush(Unknown Source)
201 at com.liferay.portal.service.persistence.BatchSessionImpl.update(BatchSessionImpl.java:95)
202 at com.liferay.portal.service.persistence.BatchSessionUtil.update(BatchSessionUtil.java:49)
203 at com.liferay.portal.service.persistence.LayoutPersistenceImpl.updateImpl(LayoutPersistenceImpl.java:463)
204 ... 70 more
205Caused by: org.hibernate.exception.ConstraintViolationException: Could not execute JDBC batch update
206 at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:96)
207 at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
208 at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:275)
209 at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:263)
210 at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:180)
211 at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:321)
212 at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:51)
213 at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1206)
214 at com.liferay.portal.dao.orm.hibernate.SessionImpl.flush(SessionImpl.java:108)
215 ... 78 more
216Caused by: java.sql.BatchUpdateException: Duplicate entry '14302-0-/?????-????-?-????????' for key 'IX_BC2C4231'
217 at com.mysql.jdbc.PreparedStatement.executeBatchSerially(PreparedStatement.java:1257)
218 at com.mysql.jdbc.PreparedStatement.executeBatch(PreparedStatement.java:943)
219 at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeBatch(NewProxyPreparedStatement.java:1723)
220 at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:70)
221 at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:268)
222 ... 84 more
223Stopping the server due to unexpected startup errors
and after this error, tomcat windows is closed. What shall I do?