Increase the limit of the parent size to the maximum supported by MySQL

SQL Error: 1406, SQLState: 22001 Data truncation: Data too long 
for column 'XWD_PARENT' at row 1 Failed to perform the migration of 
[xwiki:TEST.Too long Hierarchy\. Too long Hierarchy\. Too long Hierarchy
 9]. com.xpn.xwiki.XWikiException: Error number 0 in 0: Error number 
3201 in 3: Exception while saving document xwiki:TEST.Test.Test\. This 
is a test page.Long Hierarchy.Too long Hierarchy\. Too long Hierarchy\. 
Too long Hierarchy 1.Too long Hierarchy\. Too long Hierarchy\. Too long 
Hierarchy 2.Too long Hierarchy\. Too long Hierarchy\. Too long Hierarchy
 3.Too long Hierarchy\. Too long Hierarchy\. Too long Hierarchy 4.Too 
long Hierarchy\. Too long Hierarchy\. Too long Hierarchy 5.Too long 
Hierarchy\. Too long Hierarchy\. Too long Hierarchy 6.Too long 
Hierarchy\. Too long Hierarchy\. Too long Hierarchy 7.Too long 
Hierarchy\. Too long Hierarchy\. Too long Hierarchy 8.Too long 
Hierarchy\. Too long Hierarchy\. Too long Hierarchy 9.WebHome at 
com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiDoc(XWikiHibernateStore.java:729)
 at 
com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc(XWikiCacheStore.java:257)
 at 
com.xpn.xwiki.store.XWikiCacheStore.saveXWikiDoc(XWikiCacheStore.java:217)
 at com.xpn.xwiki.XWiki.saveDocument(XWiki.java:2052) at 
com.xpn.xwiki.doc.DefaultDocumentAccessBridge.saveDocument(DefaultDocumentAccessBridge.java:994)
 at 
com.xpn.xwiki.doc.DefaultDocumentAccessBridge.setDocumentParentReference(DefaultDocumentAccessBridge.java:326)
 at 
org.xwiki.contrib.nestedpagesmigrator.internal.executor.MigrationPlanExecutor.moveDocument(MigrationPlanExecutor.java:227)
 at 
org.xwiki.contrib.nestedpagesmigrator.internal.executor.MigrationPlanExecutor.performAction(MigrationPlanExecutor.java:139)
 at 
org.xwiki.contrib.nestedpagesmigrator.internal.executor.MigrationPlanExecutor.performAction(MigrationPlanExecutor.java:153)
 at 
org.xwiki.contrib.nestedpagesmigrator.internal.executor.MigrationPlanExecutor.performAction(MigrationPlanExecutor.java:153)
 at 
org.xwiki.contrib.nestedpagesmigrator.internal.executor.MigrationPlanExecutor.performAction(MigrationPlanExecutor.java:153)
 at 
org.xwiki.contrib.nestedpagesmigrator.internal.executor.MigrationPlanExecutor.performAction(MigrationPlanExecutor.java:153)
 at 
org.xwiki.contrib.nestedpagesmigrator.internal.executor.MigrationPlanExecutor.performAction(MigrationPlanExecutor.java:153)
 at 
org.xwiki.contrib.nestedpagesmigrator.internal.executor.MigrationPlanExecutor.performAction(MigrationPlanExecutor.java:153)
 at 
org.xwiki.contrib.nestedpagesmigrator.internal.executor.MigrationPlanExecutor.performAction(MigrationPlanExecutor.java:153)
 at 
org.xwiki.contrib.nestedpagesmigrator.internal.executor.MigrationPlanExecutor.performAction(MigrationPlanExecutor.java:153)
 at 
org.xwiki.contrib.nestedpagesmigrator.internal.executor.MigrationPlanExecutor.performAction(MigrationPlanExecutor.java:153)
 at 
org.xwiki.contrib.nestedpagesmigrator.internal.executor.MigrationPlanExecutor.performAction(MigrationPlanExecutor.java:153)
 at 
org.xwiki.contrib.nestedpagesmigrator.internal.executor.MigrationPlanExecutor.performAction(MigrationPlanExecutor.java:153)
 at 
org.xwiki.contrib.nestedpagesmigrator.internal.executor.MigrationPlanExecutor.performAction(MigrationPlanExecutor.java:153)
 at 
org.xwiki.contrib.nestedpagesmigrator.internal.executor.MigrationPlanExecutor.performMigration(MigrationPlanExecutor.java:110)
 at 
org.xwiki.contrib.nestedpagesmigrator.internal.job.MigrationPlanExecutorJob.runInternal(MigrationPlanExecutorJob.java:58)
 at org.xwiki.job.AbstractJob.runInContext(AbstractJob.java:243) at 
org.xwiki.job.AbstractJob.run(AbstractJob.java:220) at 
java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at 
java.lang.Thread.run(Unknown Source) Caused by: 
javax.persistence.PersistenceException: 
org.hibernate.exception.DataException: could not execute statement at 
org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:154)
 at 
org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:181)
 at 
org.hibernate.internal.ExceptionConverterImpl.convert(ExceptionConverterImpl.java:188)
 at org.hibernate.internal.SessionImpl.doFlush(SessionImpl.java:1366) at
 org.hibernate.internal.SessionImpl.managedFlush(SessionImpl.java:453) 
at 
org.hibernate.internal.SessionImpl.flushBeforeTransactionCompletion(SessionImpl.java:3212)
 at 
org.hibernate.internal.SessionImpl.beforeTransactionCompletion(SessionImpl.java:2380)
 at 
org.hibernate.engine.jdbc.internal.JdbcCoordinatorImpl.beforeTransactionCompletion(JdbcCoordinatorImpl.java:448)
 at 
org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl.beforeCompletionCallback(JdbcResourceLocalTransactionCoordinatorImpl.java:183)
 at 
org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl.access$300(JdbcResourceLocalTransactionCoordinatorImpl.java:40)
 at 
org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl$TransactionDriverControlImpl.commit(JdbcResourceLocalTransactionCoordinatorImpl.java:281)
 at 
org.hibernate.engine.transaction.internal.TransactionImpl.commit(TransactionImpl.java:101)
 at 
com.xpn.xwiki.internal.store.hibernate.HibernateStore.endTransaction(HibernateStore.java:848)
 at 
com.xpn.xwiki.store.XWikiHibernateBaseStore.endTransaction(XWikiHibernateBaseStore.java:603)
 at 
com.xpn.xwiki.store.XWikiHibernateStore.saveXWikiDoc(XWikiHibernateStore.java:720)
 ... 26 more Caused by: org.hibernate.exception.DataException: could not
 execute statement at 
org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:52)
 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.executeUpdate(ResultSetReturnImpl.java:200)
 at 
org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:3492)
 at 
org.hibernate.persister.entity.AbstractEntityPersister.updateOrInsert(AbstractEntityPersister.java:3354)
 at 
org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:3768)
 at 
org.hibernate.action.internal.EntityUpdateAction.execute(EntityUpdateAction.java:201)
 at 
org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:604)
 at 
org.hibernate.engine.spi.ActionQueue.lambda$executeActions$1(ActionQueue.java:478)
 at java.util.LinkedHashMap.forEach(Unknown Source) at 
org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:475)
 at 
org.hibernate.event.internal.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:345)
 at 
org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:40)
 at 
org.hibernate.event.service.internal.EventListenerGroupImpl.fireEventOnEachListener(EventListenerGroupImpl.java:93)
 at org.hibernate.internal.SessionImpl.doFlush(SessionImpl.java:1362) 
... 37 more Caused by: com.mysql.cj.jdbc.exceptions.MysqlDataTruncation:
 Data truncation: Data too long for column 'XWD_PARENT' at row 1: null 
at 
com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:104)
 at 
com.mysql.cj.jdbc.ClientPreparedStatement.executeInternal(ClientPreparedStatement.java:953)
 at 
com.mysql.cj.jdbc.ClientPreparedStatement.executeUpdateInternal(ClientPreparedStatement.java:1092)
 at 
com.mysql.cj.jdbc.ClientPreparedStatement.executeUpdateInternal(ClientPreparedStatement.java:1040)
 at 
com.mysql.cj.jdbc.ClientPreparedStatement.executeLargeUpdate(ClientPreparedStatement.java:1347)
 at 
com.mysql.cj.jdbc.ClientPreparedStatement.executeUpdate(ClientPreparedStatement.java:1025)
 at 
org.apache.commons.dbcp2.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:136)
 at 
org.apache.commons.dbcp2.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:136)
 at 
org.apache.commons.dbcp2.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:136)
 at 
org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:197)
 ... 49 more