get(url) failed on instance of com.jeecms.article.entity.Article
The problematic instruction:
----------
==> ${a.url} [on line 14, column 15 in WEB-INF/user_base/gdzysteel_com/template/include/default/zyPublic/Index/List_02.html]
 in user-directive cms.ArtiList [on line 13, column 5 in WEB-INF/user_base/gdzysteel_com/template/include/default/zyPublic/Index/List_02.html]
 in include "${tplBase}/${sysType}/${solution}/${name}" [on line 22, column 17 in WEB-INF/ftl_lib/jeecms/common_tag.ftl]
 in user-directive cms.Include [on line 63, column 17 in WEB-INF/user_base/gdzysteel_com/template/article/Index/index.html]
----------

Java backtrace for programmers:
----------
freemarker.template.TemplateModelException: get(url) failed on instance of com.jeecms.article.entity.Article
	at freemarker.ext.beans.BeanModel.get(BeanModel.java:223)
	at freemarker.core.Dot._getAsTemplateModel(Dot.java:76)
	at freemarker.core.Expression.getAsTemplateModel(Expression.java:89)
	at freemarker.core.Expression.getStringValue(Expression.java:93)
	at freemarker.core.DollarVariable.accept(DollarVariable.java:76)
	at freemarker.core.Environment.visit(Environment.java:209)
	at freemarker.core.MixedContent.accept(MixedContent.java:92)
	at freemarker.core.Environment.visit(Environment.java:209)
	at freemarker.core.Environment.visit(Environment.java:394)
	at freemarker.core.BodyInstruction.accept(BodyInstruction.java:93)
	at freemarker.core.Environment.visit(Environment.java:209)
	at freemarker.core.IteratorBlock$Context.runLoop(IteratorBlock.java:167)
	at freemarker.core.Environment.visit(Environment.java:416)
	at freemarker.core.IteratorBlock.accept(IteratorBlock.java:102)
	at freemarker.core.Environment.visit(Environment.java:209)
	at freemarker.core.IfBlock.accept(IfBlock.java:82)
	at freemarker.core.Environment.visit(Environment.java:209)
	at freemarker.core.MixedContent.accept(MixedContent.java:92)
	at freemarker.core.Environment.visit(Environment.java:209)
	at freemarker.core.IfBlock.accept(IfBlock.java:82)
	at freemarker.core.Environment.visit(Environment.java:209)
	at freemarker.core.Macro$Context.runMacro(Macro.java:168)
	at freemarker.core.Environment.visit(Environment.java:602)
	at freemarker.core.UnifiedCall.accept(UnifiedCall.java:106)
	at freemarker.core.Environment.visit(Environment.java:209)
	at freemarker.core.MixedContent.accept(MixedContent.java:92)
	at freemarker.core.Environment.visit(Environment.java:209)
	at freemarker.core.Environment.include(Environment.java:1482)
	at freemarker.core.Include.accept(Include.java:169)
	at freemarker.core.Environment.visit(Environment.java:209)
	at freemarker.core.IfBlock.accept(IfBlock.java:82)
	at freemarker.core.Environment.visit(Environment.java:209)
	at freemarker.core.IfBlock.accept(IfBlock.java:82)
	at freemarker.core.Environment.visit(Environment.java:209)
	at freemarker.core.Macro$Context.runMacro(Macro.java:168)
	at freemarker.core.Environment.visit(Environment.java:602)
	at freemarker.core.UnifiedCall.accept(UnifiedCall.java:106)
	at freemarker.core.Environment.visit(Environment.java:209)
	at freemarker.core.MixedContent.accept(MixedContent.java:92)
	at freemarker.core.Environment.visit(Environment.java:209)
	at freemarker.core.Environment.process(Environment.java:189)
	at freemarker.template.Template.process(Template.java:237)
	at org.apache.struts2.views.freemarker.FreemarkerResult.doExecute(FreemarkerResult.java:187)
	at org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSupport.java:186)
	at com.jeecms.cms.web.PageCacheResult.execute(PageCacheResult.java:44)
	at com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:361)
	at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:265)
	at com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:126)
	at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
	at com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:176)
	at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
	at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52)
	at com.opensymphony.xwork2.ActionChainResult.execute(ActionChainResult.java:222)
	at com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:361)
	at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:265)
	at com.jeecms.common.struts2.interceptor.UrlInterceptor.doIntercept(UrlInterceptor.java:171)
	at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
	at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
	at com.jeecms.core.web.CookieIdentityInterceptor.doIntercept(CookieIdentityInterceptor.java:59)
	at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
	at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
	at com.jeecms.common.struts2.interceptor.DomainNameInterceptor.doIntercept(DomainNameInterceptor.java:24)
	at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:87)
	at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
	at com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:176)
	at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
	at com.jeecms.common.struts2.interceptor.ProcessingStartInterceptor.intercept(ProcessingStartInterceptor.java:31)
	at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:236)
	at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52)
	at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:532)
	at org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:395)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
	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.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:291)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
	at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.reflect.InvocationTargetException
	at sun.reflect.GeneratedMethodAccessor598.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at freemarker.ext.beans.BeansWrapper.invokeMethod(BeansWrapper.java:840)
	at freemarker.ext.beans.BeanModel.invokeThroughDescriptor(BeanModel.java:276)
	at freemarker.ext.beans.BeanModel.get(BeanModel.java:183)
	... 86 more
Caused by: org.hibernate.exception.GenericJDBCException: Cannot open connection
	at org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:126)
	at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:114)
	at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
	at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:52)
	at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:449)
	at org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:167)
	at org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:161)
	at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1573)
	at org.hibernate.loader.Loader.doQuery(Loader.java:696)
	at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:259)
	at org.hibernate.loader.Loader.loadEntity(Loader.java:1881)
	at org.hibernate.loader.entity.AbstractEntityLoader.load(AbstractEntityLoader.java:71)
	at org.hibernate.loader.entity.AbstractEntityLoader.load(AbstractEntityLoader.java:65)
	at org.hibernate.persister.entity.AbstractEntityPersister.load(AbstractEntityPersister.java:3072)
	at org.hibernate.event.def.DefaultLoadEventListener.loadFromDatasource(DefaultLoadEventListener.java:434)
	at org.hibernate.event.def.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:415)
	at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:165)
	at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:121)
	at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:905)
	at org.hibernate.impl.SessionImpl.immediateLoad(SessionImpl.java:863)
	at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:95)
	at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:140)
	at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:190)
	at com.jeecms.cms.entity.CmsChannel_$$_javassist_25.getPath(CmsChannel_$$_javassist_25.java)
	at com.jeecms.article.entity.Article.getUrl(Article.java:60)
	... 92 more
Caused by: java.sql.SQLException: An attempt by a client to checkout a Connection has timed out.
	at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:106)
	at com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:65)
	at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:527)
	at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128)
	at org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider.getConnection(LocalDataSourceConnectionProvider.java:82)
	at org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:446)
	... 112 more
Caused by: com.mchange.v2.resourcepool.TimeoutException: A client timed out while waiting to acquire a resource from com.mchange.v2.resourcepool.BasicResourcePool@1214626 -- timeout at awaitAvailable()
	at com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1317)
	at com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:557)
	at com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:477)
	at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:525)
	... 115 more