XWiki Syntax Guide
XWiki Syntax 2.1 » General » Introduction
XWiki Syntax 2.1: Introduction
2.1 Introduction
The XWiki Syntax 2.0 has proven to be quite useful and robust in general; however since its introduction a few shortcomings have been found. The corresponding improvements have been consolidated in XWiki Syntax 2.1. Some new features of this syntax are:
- Homogenize the link and image syntax for better clarity, consistency and extensibility.
- Added ability to display icons, to embed images via the Data URI scheme, to link to files using the UNC notation and to link to relative URLs.
Since XWiki Syntax 2.1 is based on XWiki Syntax 2.0 all syntax from XWiki Syntax 2.0 is valid unless the 2.1 specifications suggest differently.
Failed to execute the [velocity] macro. Cause: [(conn=16) Disk got full writing '.(temporary)' (Errcode: 28 "No space left on device")]. Click on this message for details.
org.xwiki.rendering.macro.MacroExecutionException: Failed to evaluate Velocity Macro for content [#set ($void = $services.async.useEntity("wiki:$xcontext.database"))
#set ($query = $services.query.xwql('select doc.fullName, doc.language from Document doc where doc.author = :author order by doc.date desc'))
#set ($recentDocs = $query.addFilter('hidden').addFilter('unique').bindValue('author', $xcontext.user).setLimit(5).execute())
## We count the occurence of a document to specify the document language when there are duplicates
#set ($docNamesCounter = {})
#foreach ($doc in $recentDocs)
#if ($docNamesCounter.containsKey($doc[0]))
#set ($docNamesCounter[$doc[0]] = $docNamesCounter[$doc[0]] + 1)
#else
#set ($docNamesCounter[$doc[0]] = 1)
#end
#end
#if ($recentDocs.size() > 0 || $showEmptyPanels)
#panelheader($services.localization.render('xe.panels.modifications.my'))
#foreach ($recentDocResult in $recentDocs)
#set ($recentDoc = $xwiki.getDocument($recentDocResult[0]).getTranslatedDocument($recentDocResult[1]))
#if ($recentDoc)
#set ($docLocale = $recentDoc.locale)
#if ("$docLocale" == '')
#set ($docLocale = $recentDoc.defaultLocale)
#end
#if ("$docLocale" != '' && $docLocale != $xcontext.locale)
#set ($docUrl = $recentDoc.getURL('view', "language=${docLocale}"))
#else
#set ($docUrl = $recentDoc.getURL())
#end
## We use HTML here because we don't have a tool to escape wiki syntax in document title.
* {{html}}<a href="${docUrl}">$escapetool.xml($recentDoc.plainTitle)#if ($docNamesCounter[$recentDocResult[0]] > 1) <em>($docLocale)</em>#end</a>{{/html}}
#end
#end
#panelfooter()
#end]
at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:186)
at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:60)
at org.xwiki.rendering.macro.script.AbstractScriptMacro.evaluateBlock(AbstractScriptMacro.java:279)
at org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:182)
at org.xwiki.rendering.macro.script.AbstractScriptMacro.execute(AbstractScriptMacro.java:58)
at org.xwiki.rendering.internal.transformation.macro.MacroTransformation.transform(MacroTransformation.java:441)
at org.xwiki.rendering.internal.transformation.DefaultRenderingContext.transformInContext(DefaultRenderingContext.java:183)
at org.xwiki.rendering.internal.transformation.DefaultTransformationManager.performTransformations(DefaultTransformationManager.java:88)
at org.xwiki.rendering.internal.transformation.XWikiTransformationManager.superPerformTransformations(XWikiTransformationManager.java:95)
at org.xwiki.rendering.internal.transformation.XWikiTransformationManager.performTransformations(XWikiTransformationManager.java:88)
at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.transform(AbstractBlockAsyncRenderer.java:74)
at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRenderer.tranform(DefaultBlockAsyncRenderer.java:154)
at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRenderer.execute(DefaultBlockAsyncRenderer.java:137)
at org.xwiki.rendering.async.internal.block.AbstractBlockAsyncRenderer.render(AbstractBlockAsyncRenderer.java:157)
at org.xwiki.panels.internal.PanelWikiUIExtension.render(PanelWikiUIExtension.java:132)
at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor$DecoratorWrapper.render(DefaultBlockAsyncRendererExecutor.java:67)
at org.xwiki.rendering.async.internal.block.DefaultBlockAsyncRendererExecutor$DecoratorWrapper.render(DefaultBlockAsyncRendererExecutor.java:49)
at org.xwiki.rendering.async.internal.AsyncRendererJob.runInternal(AsyncRendererJob.java:101)
at org.xwiki.job.AbstractJob.runInContext(AbstractJob.java:246)
at org.xwiki.job.AbstractJob.run(AbstractJob.java:223)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.base/java.lang.Thread.run(Unknown Source)
Caused by: org.xwiki.velocity.XWikiVelocityException: Failed to evaluate content with namespace [xwiki:Panels.MyRecentModifications]
at org.xwiki.velocity.internal.InternalVelocityEngine.evaluate(InternalVelocityEngine.java:235)
at org.xwiki.rendering.internal.macro.velocity.VelocityMacro.evaluateString(VelocityMacro.java:168)
... 22 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 , doc.language from XWikiDocument as doc where doc.author = :author order by doc.date desc ] at xwiki:Panels.MyRecentModifications[line 3, column 116]
at org.apache.velocity.runtime.parser.node.ASTMethod.handleInvocationException(ASTMethod.java:308)
at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:235)
at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:368)
at org.apache.velocity.runtime.parser.node.ASTReference.value(ASTReference.java:704)
at org.apache.velocity.runtime.parser.node.ASTExpression.value(ASTExpression.java:75)
at org.apache.velocity.runtime.parser.node.ASTSetDirective.render(ASTSetDirective.java:242)
at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:439)
at org.apache.velocity.Template.merge(Template.java:358)
at org.apache.velocity.Template.merge(Template.java:262)
at org.xwiki.velocity.internal.InternalVelocityEngine.evaluate(InternalVelocityEngine.java:233)
... 23 more
Caused by: org.xwiki.query.QueryException: Exception while executing query. Query statement = [ select doc.fullName , doc.language from XWikiDocument as doc where doc.author = :author order by doc.date desc ]
at com.xpn.xwiki.store.hibernate.query.HqlQueryExecutor.execute(HqlQueryExecutor.java:219)
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:117)
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:278)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(Unknown Source)
at java.base/java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:571)
at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:554)
at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:221)
... 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:860)
at com.xpn.xwiki.store.XWikiHibernateBaseStore.executeRead(XWikiHibernateBaseStore.java:927)
at com.xpn.xwiki.store.hibernate.query.HqlQueryExecutor.execute(HqlQueryExecutor.java:208)
... 43 more
Caused by: javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: could not extract ResultSet
at org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:154)
at org.hibernate.query.internal.AbstractProducedQuery.list(AbstractProducedQuery.java:1626)
at com.xpn.xwiki.store.hibernate.query.HqlQueryExecutor.lambda$execute$0(HqlQueryExecutor.java:211)
at com.xpn.xwiki.store.XWikiHibernateBaseStore.execute(XWikiHibernateBaseStore.java:851)
... 45 more
Caused by: org.hibernate.exception.GenericJDBCException: could not extract ResultSet
at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42)
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.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:67)
at org.hibernate.loader.Loader.getResultSet(Loader.java:2322)
at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:2075)
at org.hibernate.loader.Loader.executeQueryStatement(Loader.java:2037)
at org.hibernate.loader.Loader.doQuery(Loader.java:956)
at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:357)
at org.hibernate.loader.Loader.doList(Loader.java:2868)
at org.hibernate.loader.Loader.doList(Loader.java:2850)
at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2682)
at org.hibernate.loader.Loader.list(Loader.java:2677)
at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:540)
at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:400)
at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:218)
at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1459)
at org.hibernate.query.internal.AbstractProducedQuery.doList(AbstractProducedQuery.java:1649)
at org.hibernate.query.internal.AbstractProducedQuery.list(AbstractProducedQuery.java:1617)
... 47 more
Caused by: java.sql.SQLException: (conn=16) Disk got full writing '.(temporary)' (Errcode: 28 "No space left on device")
at org.mariadb.jdbc.export.ExceptionFactory.createException(ExceptionFactory.java:329)
at org.mariadb.jdbc.export.ExceptionFactory.create(ExceptionFactory.java:402)
at org.mariadb.jdbc.client.result.Result.readNext(Result.java:221)
at org.mariadb.jdbc.client.result.CompleteResult.<init>(CompleteResult.java:84)
at org.mariadb.jdbc.message.ClientMessage.readPacket(ClientMessage.java:359)
at org.mariadb.jdbc.client.impl.StandardClient.readPacket(StandardClient.java:1438)
at org.mariadb.jdbc.client.impl.StandardClient.readResults(StandardClient.java:1377)
at org.mariadb.jdbc.client.impl.StandardClient.readResponse(StandardClient.java:1296)
at org.mariadb.jdbc.client.impl.StandardClient.execute(StandardClient.java:1220)
at org.mariadb.jdbc.ClientPreparedStatement.executeInternal(ClientPreparedStatement.java:91)
at org.mariadb.jdbc.ClientPreparedStatement.executeQuery(ClientPreparedStatement.java:290)
at org.apache.commons.dbcp2.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:123)
at org.apache.commons.dbcp2.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:123)
at org.apache.commons.dbcp2.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:123)
at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:57)
... 62 more
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