How to upgrade 7CE ga3 to ga4 when db is hypersonicHow to upgrade 7CE ga3 to ga4 when db is hypersonichttps://liferay.dev/en/c/message_boards/find_thread?p_l_id=119785333&threadId=924950172024-03-29T15:55:51Z2024-03-29T15:55:51ZRE: How to upgrade 7CE ga3 to ga4 when db is hypersonicAmos Fonghttps://liferay.dev/en/c/message_boards/find_message?p_l_id=119785333&messageId=925975312017-08-02T17:17:05Z2017-08-02T17:17:05ZJorge,<br /><br />Thanks for the explanation, that's good to know.<br /><br />I also saw it in the Digital Enterprise version in a fairly recent fixpack.Amos Fong2017-08-02T17:17:05ZRE: How to upgrade 7CE ga3 to ga4 when db is hypersonicL Winchesterhttps://liferay.dev/en/c/message_boards/find_message?p_l_id=119785333&messageId=925524422017-08-01T20:50:14Z2017-08-01T20:50:14ZWell that explains why it didn't work. <img alt="emoticon" src="@theme_images_path@/emoticons/blink.gif" ><br /><br />Thanks all.<br /><br />Note: Just installed 7.0 ga4 and the data migration tool seems to still be included...L Winchester2017-08-01T20:50:14ZRE: How to upgrade 7CE ga3 to ga4 when db is hypersonicJorge Diazhttps://liferay.dev/en/c/message_boards/find_message?p_l_id=119785333&messageId=925502992017-08-01T19:51:41Z2017-08-01T19:51:41Z<div class="quote-title">Amos Fong:</div><blockquote>There is a data migration tool in the control panel that should be able to do this. I could not find the 7.0 docs</blockquote><br />Hi Amos,<br />That data migration tool was removed in Liferay 7.0<br /><u>Long explanation:</u> that tool was not adapted to osgi architecture and only migrates some tables, so it was removed (see: <a href="https://issues.liferay.com/browse/LPS-65828">https://issues.liferay.com/browse/LPS-65828</a> ) but there was some mistake and 7.0 community version GA1, GA2 and GA3 includes the buggy tool.Jorge Diaz2017-08-01T19:51:41ZRE: How to upgrade 7CE ga3 to ga4 when db is hypersonicAmos Fonghttps://liferay.dev/en/c/message_boards/find_message?p_l_id=119785333&messageId=925430352017-08-01T16:40:46Z2017-08-01T16:40:46Z<blockquote>Is there a way to export data from hypersonic and import to mysql?</blockquote><br /><br />There is a data migration tool in the control panel that should be able to do this. I could not find the 7.0 docs (I checked, it's still there though) but here is the 6.2 one:<br />https://dev.liferay.com/discover/portal/-/knowledge_base/6-2/server-administration#data-migrationAmos Fong2017-08-01T16:40:46ZRE: How to upgrade 7CE ga3 to ga4 when db is hypersonicJorge Diazhttps://liferay.dev/en/c/message_boards/find_message?p_l_id=119785333&messageId=925295852017-08-01T12:08:47Z2017-08-01T12:08:47Z<div class="quote-title">Lucy W:</div><blockquote>Ok thanks. Would be helpful to include this quality (not-upgradableness) in the docs or install prompts, so devs know the trade-off in choosing hypersonic db for a dev instance.</blockquote>There is a warning message during Liferay startup that says you should only use it for demo purposes<br /><div class="quote-title">Lucy W:</div><blockquote>Is there a way to export data from hypersonic and import to mysql</blockquote><br /><strong>Liferay 7 doesn't provide any tool to convert from one database to other.</strong> The only existing option from Liferay is to export/import data using LAR files, but it only works at site level.<br /><br />Search in internet some external tool to convert your database for example, in a quick search I found: <a href="https://stackoverflow.com/questions/28454620/migration-hsqldb-to-mysql-using-mysql-workbench-6-2">https://stackoverflow.com/questions/28454620/migration-hsqldb-to-mysql-using-mysql-workbench-6-2</a> and <a href="https://ralf.schaeftlein.com/2012/02/18/migrating-hsqldb-to-mysql/">https://ralf.schaeftlein.com/2012/02/18/migrating-hsqldb-to-mysql/</a>Jorge Diaz2017-08-01T12:08:47ZRE: How to upgrade 7CE ga3 to ga4 when db is hypersonicL Winchesterhttps://liferay.dev/en/c/message_boards/find_message?p_l_id=119785333&messageId=924983002017-07-31T22:38:33Z2017-07-31T22:38:33ZOk thanks. Would be helpful to include this quality (not-upgradableness) in the docs or install prompts, so devs know the trade-off in choosing hypersonic db for a dev instance. <br /><br />Is there a way to export data from hypersonic and import to mysql?L Winchester2017-07-31T22:38:33ZRE: How to upgrade 7CE ga3 to ga4 when db is hypersonicJorge Diazhttps://liferay.dev/en/c/message_boards/find_message?p_l_id=119785333&messageId=924956572017-07-31T22:16:48Z2017-07-31T22:16:48ZUpgrade process is not supported nor tested for hypersonic database.<br /><br />You should only use hypersonic database for small demos.<br /><br />To avoid problems, you should move from hsql to postgresql, mysql or mariasqlJorge Diaz2017-07-31T22:16:48ZHow to upgrade 7CE ga3 to ga4 when db is hypersonicL Winchesterhttps://liferay.dev/en/c/message_boards/find_message?p_l_id=119785333&messageId=924950162017-07-31T21:33:08Z2017-07-31T21:33:08ZThis was asked but not answered in another thread:<br /><br /><div class="quote-title">Spa Movy:</div>