org.xwiki.rendering.macro.MacroExecutionException: Failed to evaluate Velocity Macro for content [#set ($query = $services.query.xwql('order by doc.date desc'))
#set ($recentlyModified = $query.addFilter('hidden').setLimit(50).execute())
#if ($recentlyModified.size() > 0 || $showEmptyPanels)
  #panelheader($services.localization.render('panels.recentlyModified.title'))
  #foreach ($docName in $recentlyModified)
    #if ($xwiki.hasAccessLevel('view', $docName))
      #set ($recentDoc = $xwiki.getDocument($docName).getTranslatedDocument())
      ## We use HTML here because we don't have a tool to escape wiki syntax in document title.
      * {{html}}<a href="$recentDoc.getURL()">$escapetool.xml($recentDoc.plainTitle)</a>{{/html}}
    #end
  #end
#panelfooter()
#end]
	at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:139)
	at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:52)
	at org.xwiki.rendering.macro.script.AbstractScriptMacro.evaluateBlock(AbstractScriptMacro.java:286)
	at org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:182)
	at org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:58)
	at org.xwiki.rendering.internal.transformation.macro.MacroTransformation.transform(MacroTransformation.java:297)
	at org.xwiki.rendering.internal.transformation.DefaultRenderingContext.transformInContext(DefaultRenderingContext.java:183)
	at org.xwiki.rendering.internal.transformation.DefaultTransformationManager.performTransformations(DefaultTransformationManager.java:101)
	at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.transform(AbstractBlockAsyncRenderer.java:74)
	at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRenderer.tranform(DefaultBlockAsyncRenderer.java:143)
	at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRenderer.execute(DefaultBlockAsyncRenderer.java:126)
	at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.render(AbstractBlockAsyncRenderer.java:157)
	at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.render(AbstractBlockAsyncRenderer.java:54)
	at org.xwiki.panels.internal.PanelWikiUIExtension.render(PanelWikiUIExtension.java:131)
	at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor$DecoratorWrapper.render(DefaultBlockAsyncRendererExecutor.java:67)
	at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor$DecoratorWrapper.render(DefaultBlockAsyncRendererExecutor.java:49)
	at org.xwiki.rendering.async.internal.AsyncRendererJob.runInternal(AsyncRendererJob.java:93)
	at org.xwiki.job.AbstractJob.runInContext(AbstractJob.java:240)
	at org.xwiki.job.AbstractJob.run(AbstractJob.java:217)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: org.xwiki.velocity.XWikiVelocityException: Failed to evaluate content with namespace [xwiki:Panels.Recently Modified]
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:289)
	at com.xpn.xwiki.render.DefaultVelocityManager.evaluate(DefaultVelocityManager.java:316)
	at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:131)
	... 21 more
Caused by: org.apache.velocity.exception.MethodInvocationException: Invocation of method 'execute' in  class org.xwiki.query.internal.ScriptQuery threw exception org.xwiki.query.QueryException: Exception while executing query. Query statement = [ select doc.fullName from XWikiDocument as doc order by doc.date desc ] at xwiki:Panels.Recently Modified[line 2, column 67]
	at org.apache.velocity.runtime.parser.node.ASTMethod.handleInvocationException(ASTMethod.java:306)
	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:233)
	at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:369)
	at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:701)
	at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:72)
	at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:240)
	at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:423)
	at org.apache.velocity.Template.merge(Template.java:358)
	at org.apache.velocity.Template.merge(Template.java:262)
	at org.xwiki.velocity.internal.DefaultVelocityEngine.evaluate(DefaultVelocityEngine.java:281)
	... 23 more
Caused by: org.xwiki.query.QueryException: Exception while executing query. Query statement = [ select doc.fullName from XWikiDocument as doc order by doc.date desc ]
	at com.xpn.xwiki.store.hibernate.query.HqlQueryExecutor.execute(HqlQueryExecutor.java:182)
	at org.xwiki.query.internal.DefaultQueryExecutorManager.execute(DefaultQueryExecutorManager.java:72)
	at org.xwiki.query.internal.DefaultQuery.execute(DefaultQuery.java:306)
	at org.xwiki.query.xwql.internal.XWQLQueryExecutor.execute(XWQLQueryExecutor.java:124)
	at org.xwiki.query.internal.DefaultQueryExecutorManager.execute(DefaultQueryExecutorManager.java:72)
	at org.xwiki.query.internal.SecureQueryExecutorManager.execute(SecureQueryExecutorManager.java:67)
	at org.xwiki.query.internal.DefaultQuery.execute(DefaultQuery.java:306)
	at org.xwiki.query.internal.ScriptQuery.execute(ScriptQuery.java:254)
	at sun.reflect.GeneratedMethodAccessor740.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:565)
	at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:548)
	at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:219)
	... 31 more
Caused by: com.xpn.xwiki.XWikiException: Error number 0 in 3: Exception while hibernate execute
	at com.xpn.xwiki.store.XWikiHibernateBaseStore.execute(XWikiHibernateBaseStore.java:826)
	at com.xpn.xwiki.store.XWikiHibernateBaseStore.executeRead(XWikiHibernateBaseStore.java:889)
	at com.xpn.xwiki.store.hibernate.query.HqlQueryExecutor.execute(HqlQueryExecutor.java:170)
	... 44 more
Caused by: org.hibernate.exception.GenericJDBCException: Unable to acquire JDBC Connection
	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:47)
	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:113)
	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:99)
	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:107)
	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:134)
	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getConnectionForTransactionManagement(LogicalConnectionManagedImpl.java:250)
	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.begin(LogicalConnectionManagedImpl.java:258)
	at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl$TransactionDriverControlImpl.begin(JdbcResourceLocalTransactionCoordinatorImpl.java:246)
	at org.hibernate.engine.transaction.internal.TransactionImpl.begin(TransactionImpl.java:83)
	at org.hibernate.internal.AbstractSharedSessionContract.beginTransaction(AbstractSharedSessionContract.java:471)
	at org.hibernate.engine.spi.SessionDelegatorBaseImpl.beginTransaction(SessionDelegatorBaseImpl.java:486)
	at com.xpn.xwiki.internal.store.hibernate.HibernateStore.beginTransaction(HibernateStore.java:795)
	at com.xpn.xwiki.internal.store.hibernate.HibernateStore.beginTransaction(HibernateStore.java:745)
	at com.xpn.xwiki.store.XWikiHibernateBaseStore.beginTransaction(XWikiHibernateBaseStore.java:532)
	at com.xpn.xwiki.store.XWikiHibernateBaseStore.execute(XWikiHibernateBaseStore.java:819)
	... 46 more
Caused by: java.sql.SQLException: Cannot get a connection, pool error Timeout waiting for idle object
	at org.apache.commons.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:142)
	at org.apache.commons.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:753)
	at com.xpn.xwiki.store.DBCPConnectionProvider.getConnection(DBCPConnectionProvider.java:254)
	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:38)
	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:104)
	... 57 more
Caused by: java.util.NoSuchElementException: Timeout waiting for idle object
	at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:439)
	at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:349)
	at org.apache.commons.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:134)
	... 61 more