Unable to complete import

Unable to complete import: Error while importing backup: could not insert: [com.atlassian.confluence.content.ContentProperty]

Internal DB

1 answer

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Yes, that's a snippet of an error.  What does the full log say the problem was?

Cause
org.apache.velocity.exception.MethodInvocationException: Invocation of method 'isShowSignUp' in class com.atlassian.confluence.user.actions.LoginAction threw exception java.lang.NullPointerException: Application cannot be null at /login.vm[line 6, column 28]
    at org.apache.velocity.runtime.parser.node.ASTMethod.handleInvocationException(ASTMethod.java:337)
caused by: java.lang.NullPointerException: Application cannot be null
    at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:204)
-- referer: http://localhost:8090/admin/restore.action?synchronous=false | url: /longrunningtaskxml.action | userName: admin | action: longrunningtaskxml
com.atlassian.confluence.importexport.ImportExportException: Unable to complete import: Error while importing backup: could not insert: [com.atlassian.confluence.content.ContentProperty#32178794]
	at com.atlassian.confluence.importexport.xmlimport.DefaultXmlImporter.doImport(DefaultXmlImporter.java:77)
	at com.atlassian.confluence.importexport.xmlimport.BackupImporter.importEntities(BackupImporter.java:420)
	at com.atlassian.confluence.importexport.xmlimport.BackupImporter.importEverything(BackupImporter.java:388)
	at com.atlassian.confluence.importexport.xmlimport.FileBackupImporter.importEverything(FileBackupImporter.java:152)
	at com.atlassian.confluence.importexport.xmlimport.BackupImporter$1.doInTransactionWithoutResult(BackupImporter.java:259)
	at org.springframework.transaction.support.TransactionCallbackWithoutResult.doInTransaction(TransactionCallbackWithoutResult.java:33)
	at com.atlassian.confluence.importexport.xmlimport.RestorePluginStateStoreTransactionCallbackDecorator.doInTransaction(RestorePluginStateStoreTransactionCallbackDecorator.java:50)
	at com.atlassian.confluence.importexport.xmlimport.RestoreBandanaValuesTransactionCallbackDecorator.doInTransaction(RestoreBandanaValuesTransactionCallbackDecorator.java:50)
	at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:128)
	at com.atlassian.confluence.importexport.xmlimport.BackupImporter.doImportInternal(BackupImporter.java:211)
	at com.atlassian.confluence.importexport.Importer.doImport(Importer.java:77)
	at com.atlassian.confluence.importexport.DefaultImportExportManager.performImportInternal(DefaultImportExportManager.java:83)
	at com.atlassian.confluence.importexport.DefaultImportExportManager.performImport(DefaultImportExportManager.java:73)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
	at com.sun.proxy.$Proxy195.performImport(Unknown Source)
	at com.atlassian.confluence.importexport.actions.ImportLongRunningTask.runInternal(ImportLongRunningTask.java:95)
	at com.atlassian.confluence.util.longrunning.ConfluenceAbstractLongRunningTask.run(ConfluenceAbstractLongRunningTask.java:27)
	at com.atlassian.confluence.util.longrunning.ManagedTask.run(ManagedTask.java:58)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.xml.sax.SAXException: Error while importing backup: could not insert: [com.atlassian.confluence.content.ContentProperty#32178794]
net.sf.hibernate.exception.GenericJDBCException: could not insert: [com.atlassian.confluence.content.ContentProperty#32178794]
	at com.atlassian.confluence.importexport.xmlimport.parser.BackupParser.endElement(BackupParser.java:55)
	at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEndElement(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
	at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
	at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
	at com.atlassian.security.xml.RestrictedXMLReader.parse(RestrictedXMLReader.java:103)
	at com.atlassian.confluence.importexport.xmlimport.DefaultXmlImporter.parseBackup(DefaultXmlImporter.java:103)
	at com.atlassian.confluence.importexport.xmlimport.DefaultXmlImporter.doImport(DefaultXmlImporter.java:61)
	... 31 more
Caused by: net.sf.hibernate.exception.GenericJDBCException: could not insert: [com.atlassian.confluence.content.ContentProperty#32178794]
	at net.sf.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:80)
	at net.sf.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:69)
	at net.sf.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:29)
	at net.sf.hibernate.persister.AbstractEntityPersister.convert(AbstractEntityPersister.java:1331)
	at net.sf.hibernate.persister.EntityPersister.insert(EntityPersister.java:472)
	at net.sf.hibernate.persister.EntityPersister.insert(EntityPersister.java:436)
	at net.sf.hibernate.impl.ScheduledInsertion.execute(ScheduledInsertion.java:37)
	at net.sf.hibernate.impl.SessionImpl.execute(SessionImpl.java:2476)
	at net.sf.hibernate.impl.SessionImpl.executeAll(SessionImpl.java:2462)
	at net.sf.hibernate.impl.SessionImpl.execute(SessionImpl.java:2419)
	at net.sf.hibernate.impl.SessionImpl.flush(SessionImpl.java:2288)
	at com.atlassian.confluence.importexport.xmlimport.ImportProcessorContext.flushIfNeeded(ImportProcessorContext.java:246)
	at com.atlassian.confluence.importexport.xmlimport.ImportProcessorContext.objectImported(ImportProcessorContext.java:81)
	at com.atlassian.confluence.importexport.xmlimport.DefaultImportProcessor.persist(DefaultImportProcessor.java:50)
	at com.atlassian.confluence.importexport.xmlimport.DefaultImportProcessor.processObject(DefaultImportProcessor.java:37)
	at com.atlassian.confluence.importexport.xmlimport.parser.BackupParser.endElement(BackupParser.java:51)
	... 43 more
Caused by: org.h2.jdbc.JdbcBatchUpdateException: Value too long for column "STRINGVAL VARCHAR(255) SELECTIVITY 1": "'Link to download jandex version 1.2.3 https://repository.jboss.org/nexus/service/local/repositories/central/content/org/jboss/j... (257)"; SQL statement:
insert into CONTENTPROPERTIES (PROPERTYNAME, STRINGVAL, LONGVAL, DATEVAL, PROPERTYID) values (?, ?, ?, ?, ?) [22001-176]
	at org.h2.jdbc.JdbcPreparedStatement.executeBatch(JdbcPreparedStatement.java:1199)
	at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeBatch(NewProxyPreparedStatement.java:1723)
	at net.sf.hibernate.impl.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:54)
	at net.sf.hibernate.impl.BatchingBatcher.addToBatch(BatchingBatcher.java:34)
	at net.sf.hibernate.persister.EntityPersister.insert(EntityPersister.java:462)
	... 54 more
caused by:
org.h2.jdbc.JdbcSQLException: Value too long for column "STRINGVAL VARCHAR(255) SELECTIVITY 1": "'Link to download jandex version 1.2.3 https://repository.jboss.org/nexus/service/local/repositories/central/content/org/jboss/j... (257)"; SQL statement:
insert into CONTENTPROPERTIES (PROPERTYNAME, STRINGVAL, LONGVAL, DATEVAL, PROPERTYID) values (?, ?, ?, ?, ?) [22001-176]
	at org.h2.message.DbException.getJdbcSQLException(DbException.java:344)
	at org.h2.message.DbException.get(DbException.java:178)
	at org.h2.table.Column.validateConvertUpdateSequence(Column.java:332)
	at org.h2.table.Table.validateConvertUpdateSequence(Table.java:726)
	at org.h2.command.dml.Insert.insertRows(Insert.java:152)
	at org.h2.command.dml.Insert.update(Insert.java:115)
	at org.h2.command.CommandContainer.update(CommandContainer.java:79)
	at org.h2.command.Command.executeUpdate(Command.java:254)
	at org.h2.server.TcpServerThread.process(TcpServerThread.java:346)
	at org.h2.server.TcpServerThread.run(TcpServerThread.java:160)
	at java.lang.Thread.run(Thread.java:745)
	at org.h2.engine.SessionRemote.done(SessionRemote.java:606)
	at org.h2.command.CommandRemote.executeUpdate(CommandRemote.java:192)
	at org.h2.jdbc.JdbcPreparedStatement.executeUpdateInternal(JdbcPreparedStatement.java:158)
	at org.h2.jdbc.JdbcPreparedStatement.executeBatch(JdbcPreparedStatement.java:1184)
	at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeBatch(NewProxyPreparedStatement.java:1723)
	at net.sf.hibernate.impl.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:54)
	at net.sf.hibernate.impl.BatchingBatcher.addToBatch(BatchingBatcher.java:34)
	at net.sf.hibernate.persister.EntityPersister.insert(EntityPersister.java:462)
	at net.sf.hibernate.persister.EntityPersister.insert(EntityPersister.java:436)
	at net.sf.hibernate.impl.ScheduledInsertion.execute(ScheduledInsertion.java:37)
	at net.sf.hibernate.impl.SessionImpl.execute(SessionImpl.java:2476)
	at net.sf.hibernate.impl.SessionImpl.executeAll(SessionImpl.java:2462)
	at net.sf.hibernate.impl.SessionImpl.execute(SessionImpl.java:2419)
	at net.sf.hibernate.impl.SessionImpl.flush(SessionImpl.java:2288)
	at com.atlassian.confluence.importexport.xmlimport.ImportProcessorContext.flushIfNeeded(ImportProcessorContext.java:246)
	at com.atlassian.confluence.importexport.xmlimport.ImportProcessorContext.objectImported(ImportProcessorContext.java:81)
	at com.atlassian.confluence.importexport.xmlimport.DefaultImportProcessor.persist(DefaultImportProcessor.java:50)
	at com.atlassian.confluence.importexport.xmlimport.DefaultImportProcessor.processObject(DefaultImportProcessor.java:37)
	at com.atlassian.confluence.importexport.xmlimport.parser.BackupParser.endElement(BackupParser.java:51)
	at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEndElement(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
	at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
	at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
	at com.atlassian.security.xml.RestrictedXMLReader.parse(RestrictedXMLReader.java:103)
	at com.atlassian.confluence.importexport.xmlimport.DefaultXmlImporter.parseBackup(DefaultXmlImporter.java:103)
	at com.atlassian.confluence.importexport.xmlimport.DefaultXmlImporter.doImport(DefaultXmlImporter.java:61)
	at com.atlassian.confluence.importexport.xmlimport.BackupImporter.importEntities(BackupImporter.java:420)
	at com.atlassian.confluence.importexport.xmlimport.BackupImporter.importEverything(BackupImporter.java:388)
	at com.atlassian.confluence.importexport.xmlimport.FileBackupImporter.importEverything(FileBackupImporter.java:152)
	at com.atlassian.confluence.importexport.xmlimport.BackupImporter$1.doInTransactionWithoutResult(BackupImporter.java:259)
	at org.springframework.transaction.support.TransactionCallbackWithoutResult.doInTransaction(TransactionCallbackWithoutResult.java:33)
	at com.atlassian.confluence.importexport.xmlimport.RestorePluginStateStoreTransactionCallbackDecorator.doInTransaction(RestorePluginStateStoreTransactionCallbackDecorator.java:50)
	at com.atlassian.confluence.importexport.xmlimport.RestoreBandanaValuesTransactionCallbackDecorator.doInTransaction(RestoreBandanaValuesTransactionCallbackDecorator.java:50)
	at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:128)
	at com.atlassian.confluence.importexport.xmlimport.BackupImporter.doImportInternal(BackupImporter.java:211)
	at com.atlassian.confluence.importexport.Importer.doImport(Importer.java:77)
	at com.atlassian.confluence.importexport.DefaultImportExportManager.performImportInternal(DefaultImportExportManager.java:83)
	at com.atlassian.confluence.importexport.DefaultImportExportManager.performImport(DefaultImportExportManager.java:73)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
	at com.sun.proxy.$Proxy195.performImport(Unknown Source)
	at com.atlassian.confluence.importexport.actions.ImportLongRunningTask.runInternal(ImportLongRunningTask.java:95)
	at com.atlassian.confluence.util.longrunning.ConfluenceAbstractLongRunningTask.run(ConfluenceAbstractLongRunningTask.java:27)
	at com.atlassian.confluence.util.longrunning.ManagedTask.run(ManagedTask.java:58)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)

It can be because of different plug-ins?

Looks like duff data in the source Confluence.

Is it the same version of Confluence as the target?  And has it been modified in some way?

I tried on the same version and on the newest. 

You're going to need to do some digging through the source Confluence to find out where that bad data is being stored and fix or rmeove it.

How can I find out? This confluence error or XML or DB?

There's no way of knowing - you need to find the error and the broken data before you can do much about it.  Try searching the source Confluence for distinctive words in the data it is reporting as broken

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