Tried to export a bunch of assets from DAM and ran into an OutOfMemoryException pretty much instantly – despite the generous setup (see environment). This used to work flawlessly in Magnolia < 5.

Last part of the stack trace:

Caused by: java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:2367)
at java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.java:130)
at java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:114)
at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:415)
at java.lang.StringBuffer.append(StringBuffer.java:232)
at org.apache.xml.serialize.IndentPrinter.breakLine(Unknown Source)
at org.apache.xml.serialize.IndentPrinter.breakLine(Unknown Source)
at org.apache.xml.serialize.XMLSerializer.endElementIO(Unknown Source)
at org.apache.xml.serialize.XMLSerializer.endElement(Unknown Source)
at org.xml.sax.helpers.XMLFilterImpl.endElement(XMLFilterImpl.java:570)
at info.magnolia.importexport.filters.MetadataUuidFilter.endElement(MetadataUuidFilter.java:111)
at org.xml.sax.helpers.XMLFilterImpl.endElement(XMLFilterImpl.java:570)
at info.magnolia.importexport.filters.SkipNodeFilter.endElement(SkipNodeFilter.java:105)
at org.xml.sax.helpers.XMLFilterImpl.endElement(XMLFilterImpl.java:570)
at info.magnolia.importexport.filters.VersionFilter.endElement(VersionFilter.java:87)
at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
at org.apache.xerces.impl.XMLNSDocumentScannerImpl.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.xml.sax.helpers.XMLFilterImpl.parse(XMLFilterImpl.java:357)
at org.xml.sax.helpers.XMLFilterImpl.parse(XMLFilterImpl.java:357)
at org.xml.sax.helpers.XMLFilterImpl.parse(XMLFilterImpl.java:357)
at info.magnolia.importexport.DataTransporter.readFormatted(DataTransporter.java:567)
at info.magnolia.importexport.DataTransporter.readFormatted(DataTransporter.java:542)
at info.magnolia.importexport.DataTransporter.parseAndFormat(DataTransporter.java:524)
at info.magnolia.importexport.DataTransporter.executeExport(DataTransporter.java:468)
at info.magnolia.commands.impl.ExportCommand.execute(ExportCommand.java:107)
at info.magnolia.commands.MgnlCommand.executeSynchronized(MgnlCommand.java:84)