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Liferay Portlet And Hibernate

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12年前 に Sudarshan Kumar によって更新されました。

Liferay Portlet And Hibernate

Junior Member 投稿: 42 参加年月日: 11/08/12 最新の投稿
Hi all,

I want to create a portlet where I want to user Hibernate to interact with the database Mysql5.0. Can any body share some idea how to develop sample portlet with Hibernate.


Thanks in Advance
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12年前 に Pranay R Patadiya によって更新されました。

RE: Liferay Portlet And Hibernate

Regular Member 投稿: 177 参加年月日: 10/02/23 最新の投稿
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12年前 に Sudarshan Kumar によって更新されました。

RE: Liferay Portlet And Hibernate

Junior Member 投稿: 42 参加年月日: 11/08/12 最新の投稿
Hi Pranay.

Thanks for your reply. I have created portlet using Hibernate . But I am not able to persist data in my database mysql5.0. Below is exception which I am getting while saving the data.

Hibernate: insert into Exam_Result (RollNumber, Physics, Chemestry, Math, English, Hindi, ID) values (?, ?, ?, ?, ?, ?, ?)
12:37:45,375 WARN [JDBCExceptionReporter:57] SQL Error: 1205, SQLState: 41000
12:37:45,375 ERROR [JDBCExceptionReporter:58] Deadlock found when trying to get lock; Try restarting transaction message from server: "Lock wait timeout exceeded; try restarting transaction"
12:37:45,390 ERROR [AbstractFlushingEventListener:277] Could not synchronize database state with session
org.hibernate.exception.LockAcquisitionException: Could not execute JDBC batch update
at org.hibernate.exception.ErrorCodeConverter.convert(ErrorCodeConverter.java:77)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43)
at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:161)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:226)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:136)
at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:274)
at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:669)
at com.portlet.examResult.ExamResultAction.addExamResult(ExamResultAction.java:52)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.liferay.portal.kernel.portlet.LiferayPortlet.callActionMethod(LiferayPortlet.java:138)
at com.liferay.util.bridges.mvc.MVCPortlet.callActionMethod(MVCPortlet.java:227)
at com.liferay.portal.kernel.portlet.LiferayPortlet.processAction(LiferayPortlet.java:69)
at com.liferay.util.bridges.mvc.MVCPortlet.processAction(MVCPortlet.java:199)
at com.liferay.portlet.FilterChainImpl.doFilter(FilterChainImpl.java:70)
at com.liferay.portal.kernel.portlet.PortletFilterUtil.doFilter(PortletFilterUtil.java:48)
at com.liferay.portal.kernel.servlet.PortletServlet.service(PortletServlet.java:92)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
at com.liferay.portlet.InvokerPortletImpl.invoke(InvokerPortletImpl.java:638)
at com.liferay.portlet.InvokerPortletImpl.invokeAction(InvokerPortletImpl.java:687)
at com.liferay.portlet.InvokerPortletImpl.processAction(InvokerPortletImpl.java:360)
at com.liferay.portal.action.LayoutAction.processPortletRequest(LayoutAction.java:784)
at com.liferay.portal.action.LayoutAction.processLayout(LayoutAction.java:582)
at com.liferay.portal.action.LayoutAction.execute(LayoutAction.java:232)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
at com.liferay.portal.struts.PortalRequestProcessor.process(PortalRequestProcessor.java:153)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at com.liferay.portal.servlet.MainServlet.callParentService(MainServlet.java:508)
at com.liferay.portal.servlet.MainServlet.service(MainServlet.java:485)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:126)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:126)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.strip.StripFilter.processFilter(StripFilter.java:309)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.themepreview.ThemePreviewFilter.processFilter(ThemePreviewFilter.java:88)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.gzip.GZipFilter.processFilter(GZipFilter.java:121)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.secure.SecureFilter.processFilter(SecureFilter.java:182)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.autologin.AutoLoginFilter.processFilter(AutoLoginFilter.java:254)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
at com.liferay.portal.servlet.FriendlyURLServlet.service(FriendlyURLServlet.java:134)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:126)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:126)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.strip.StripFilter.processFilter(StripFilter.java:261)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.themepreview.ThemePreviewFilter.processFilter(ThemePreviewFilter.java:88)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.gzip.GZipFilter.processFilter(GZipFilter.java:110)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.secure.SecureFilter.processFilter(SecureFilter.java:182)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.i18n.I18nFilter.processFilter(I18nFilter.java:222)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:126)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:126)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.etag.ETagFilter.processFilter(ETagFilter.java:45)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.autologin.AutoLoginFilter.processFilter(AutoLoginFilter.java:254)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.sso.ntlm.NtlmPostFilter.processFilter(NtlmPostFilter.java:81)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.sharepoint.SharepointFilter.processFilter(SharepointFilter.java:179)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.virtualhost.VirtualHostFilter.processFilter(VirtualHostFilter.java:240)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:126)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:126)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:738)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.threadlocal.ThreadLocalFilter.processFilter(ThreadLocalFilter.java:35)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:470)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.sql.BatchUpdateException: Deadlock found when trying to get lock; Try restarting transaction message from server: "Lock wait timeout exceeded; try restarting transaction"
at com.mysql.jdbc.PreparedStatement.executeBatch(PreparedStatement.java:1492)
at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:57)
at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:154)
... 174 more
12:37:45,406 ERROR [PortletServlet:96] javax.portlet.PortletException: org.hibernate.exception.LockAcquisitionException: Could not execute JDBC batch update
javax.portlet.PortletException: org.hibernate.exception.LockAcquisitionException: Could not execute JDBC batch update
at com.liferay.portal.kernel.portlet.LiferayPortlet.callActionMethod(LiferayPortlet.java:156)
at com.liferay.util.bridges.mvc.MVCPortlet.callActionMethod(MVCPortlet.java:227)
at com.liferay.portal.kernel.portlet.LiferayPortlet.processAction(LiferayPortlet.java:69)
at com.liferay.util.bridges.mvc.MVCPortlet.processAction(MVCPortlet.java:199)
at com.liferay.portlet.FilterChainImpl.doFilter(FilterChainImpl.java:70)
at com.liferay.portal.kernel.portlet.PortletFilterUtil.doFilter(PortletFilterUtil.java:48)
at com.liferay.portal.kernel.servlet.PortletServlet.service(PortletServlet.java:92)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
at com.liferay.portlet.InvokerPortletImpl.invoke(InvokerPortletImpl.java:638)
at com.liferay.portlet.InvokerPortletImpl.invokeAction(InvokerPortletImpl.java:687)
at com.liferay.portlet.InvokerPortletImpl.processAction(InvokerPortletImpl.java:360)
at com.liferay.portal.action.LayoutAction.processPortletRequest(LayoutAction.java:784)
at com.liferay.portal.action.LayoutAction.processLayout(LayoutAction.java:582)
at com.liferay.portal.action.LayoutAction.execute(LayoutAction.java:232)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
at com.liferay.portal.struts.PortalRequestProcessor.process(PortalRequestProcessor.java:153)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at com.liferay.portal.servlet.MainServlet.callParentService(MainServlet.java:508)
at com.liferay.portal.servlet.MainServlet.service(MainServlet.java:485)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:126)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:126)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.strip.StripFilter.processFilter(StripFilter.java:309)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.themepreview.ThemePreviewFilter.processFilter(ThemePreviewFilter.java:88)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.gzip.GZipFilter.processFilter(GZipFilter.java:121)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.secure.SecureFilter.processFilter(SecureFilter.java:182)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.autologin.AutoLoginFilter.processFilter(AutoLoginFilter.java:254)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
at com.liferay.portal.servlet.FriendlyURLServlet.service(FriendlyURLServlet.java:134)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:126)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:126)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.strip.StripFilter.processFilter(StripFilter.java:261)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.themepreview.ThemePreviewFilter.processFilter(ThemePreviewFilter.java:88)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.gzip.GZipFilter.processFilter(GZipFilter.java:110)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.secure.SecureFilter.processFilter(SecureFilter.java:182)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.i18n.I18nFilter.processFilter(I18nFilter.java:222)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:126)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:126)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.etag.ETagFilter.processFilter(ETagFilter.java:45)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.autologin.AutoLoginFilter.processFilter(AutoLoginFilter.java:254)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.sso.ntlm.NtlmPostFilter.processFilter(NtlmPostFilter.java:81)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.sharepoint.SharepointFilter.processFilter(SharepointFilter.java:179)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.virtualhost.VirtualHostFilter.processFilter(VirtualHostFilter.java:240)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:126)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:126)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:738)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.liferay.portal.kernel.servlet.BaseFilter.processFilter(BaseFilter.java:196)
at com.liferay.portal.servlet.filters.threadlocal.ThreadLocalFilter.processFilter(ThreadLocalFilter.java:35)
at com.liferay.portal.kernel.servlet.BaseFilter.doFilter(BaseFilter.java:123)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:470)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:619)
Caused by: org.hibernate.exception.LockAcquisitionException: Could not execute JDBC batch update
at org.hibernate.exception.ErrorCodeConverter.convert(ErrorCodeConverter.java:77)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43)
at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:161)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:226)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:136)
at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:274)
at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:669)
at com.portlet.examResult.ExamResultAction.addExamResult(ExamResultAction.java:52)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at com.liferay.portal.kernel.portlet.LiferayPortlet.callActionMethod(LiferayPortlet.java:138)
... 163 more
Caused by: java.sql.BatchUpdateException: Deadlock found when trying to get lock; Try restarting transaction message from server: "Lock wait timeout exceeded; try restarting transaction"
at com.mysql.jdbc.PreparedStatement.executeBatch(PreparedStatement.java:1492)
at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:57)
at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:154)
... 174 more
12:37:45,578 ERROR [jsp:154] java.sql.BatchUpdateException: Deadlock found when trying to get lock; Try restarting transaction message from server: "Lock wait timeout exceeded; try restarting transaction"
at com.mysql.jdbc.PreparedStatement.executeBatch(PreparedStatement.java:1492)
at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:57)
at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:154)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:226)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:136)
at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:274)
at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:669)
at com.portlet.examResult.ExamResultAction.addExamResult(ExamResultAction.java:52)
at com.liferay.portal.kernel.portlet.LiferayPortlet.callActionMethod(LiferayPortlet.java:138)
at com.liferay.util.bridges.mvc.MVCPortlet.callActionMethod(MVCPortlet.java:227)
at com.liferay.portal.kernel.portlet.LiferayPortlet.processAction(LiferayPortlet.java:69)
at com.liferay.util.bridges.mvc.MVCPortlet.processAction(MVCPortlet.java:199)
at com.liferay.portlet.FilterChainImpl.doFilter(FilterChainImpl.java:70)
at com.liferay.portal.kernel.portlet.PortletFilterUtil.doFilter(PortletFilterUtil.java:48)
at com.liferay.portal.kernel.servlet.PortletServlet.service(PortletServlet.java:92)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
================================================================================
Please suggest some idea

Thanks in advance.