OutOfMemoryError during restore is not reported in the UI

2011-08-23 10:09:22,730 JiraImportTaskExecutionThread-1 INFO admin 601x38x1 2l9e36 0:0:0:0:0:0:0:1%0 /secure/admin/XmlRestore.jspa [jira.bc.dataimport.DefaultDataImportService] Importing data is 31% complete...
Aug 23, 2011 10:18:14 AM org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor processChildren
SEVERE: Exception invoking periodic operation:
java.lang.OutOfMemoryError: Java heap space
        at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:139)
        at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1385)
        at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1649)
        at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1658)
        at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1638)
        at java.lang.Thread.run(Thread.java:680)
Aug 23, 2011 10:29:19 AM org.apache.jasper.compiler.JspReader pushFile
SEVERE: Exception parsing file
java.lang.OutOfMemoryError: Java heap space
java.lang.OutOfMemoryError: Java heap space
2011-08-23 10:32:06,079 pool-6-thread-1 ERROR admin 601x38x1 2l9e36 0:0:0:0:0:0:0:1%0 /secure/admin/XmlRestore.jspa [jira.action.admin.OfbizImportHandler] Exception importing entity: java.lang.OutOfMemoryError: Java heap space
java.lang.OutOfMemoryError: Java heap space
Exception in thread "pool-6-thread-1" java.lang.OutOfMemoryError: Java heap space
2011-08-23 10:34:43,817 http-8080-4 ERROR      [500ErrorPage.jsp] Exception caught in 500 page Java heap space
java.lang.OutOfMemoryError: Java heap space
        at org.apache.velocity.runtime.parser.VelocityCharStream.<init>(VelocityCharStream.java:286)
        at org.apache.velocity.runtime.parser.VelocityCharStream.<init>(VelocityCharStream.java:320)
        at org.apache.velocity.runtime.parser.VelocityCharStream.<init>(VelocityCharStream.java:325)
        at org.apache.velocity.runtime.parser.Parser.<init>(Parser.java:93)
        at org.apache.velocity.runtime.RuntimeInstance.createNewParser(RuntimeInstance.java:636)
        at org.apache.velocity.runtime.RuntimeInstance.initializeParserPool(RuntimeInstance.java:623)
        at org.apache.velocity.runtime.RuntimeInstance.init(RuntimeInstance.java:201)
        at org.apache.velocity.runtime.RuntimeInstance.init(RuntimeInstance.java:420)
        at org.apache.velocity.app.VelocityEngine.init(VelocityEngine.java:100)
        at com.atlassian.jira.web.filters.JiraImportProgressFilter.renderView(JiraImportProgressFilter.java:157)
        at com.atlassian.jira.web.filters.JiraImportProgressFilter.doFilter(JiraImportProgressFilter.java:132)
        at com.atlassian.core.filters.AbstractHttpFilter.doFilter(AbstractHttpFilter.java:31)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:554)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
        at java.lang.Thread.run(Thread.java:680)
2011-08-23 10:34:43,819 http-8080-1 ERROR      [500ErrorPage.jsp] Exception caught in 500 page Java heap space
java.lang.OutOfMemoryError: Java heap space